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<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE alias="SAMEA5684569" accession="ERS3488556">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488556</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684569</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_1</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684569</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK1.1MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK1.1MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA5684570" accession="ERS3488557">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488557</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684570</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_2</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684570</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK1.2MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK1.2MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA5684571" accession="ERS3488558">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488558</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684571</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_3</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684571</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK1.3MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK1.3MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA5684572" accession="ERS3488559">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488559</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684572</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_4</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684572</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK2.1MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK2.1MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA5684573" accession="ERS3488560">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488560</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684573</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_5</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684573</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK2.2MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK2.2MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA5684574" accession="ERS3488561">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488561</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684574</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_6</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684574</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK2.3MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK2.3MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA5684575" accession="ERS3488562">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488562</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684575</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_7</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684575</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK3.1MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK3.1MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA5684576" accession="ERS3488563">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488563</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684576</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_8</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684576</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK3.2MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK3.2MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA5684577" accession="ERS3488564">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488564</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684577</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_9</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684577</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK3.3MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK3.3MT2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA5684578" accession="ERS3488565">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488565</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684578</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_10</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684578</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK1.1MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK1.1MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA5684579" accession="ERS3488566">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488566</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684579</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_11</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684579</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK1.2MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK1.2MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA5684580" accession="ERS3488567">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488567</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684580</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_12</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684580</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK1.3MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK1.3MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA5684581" accession="ERS3488568">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488568</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684581</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_13</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684581</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK2.1MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK2.1MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA5684582" accession="ERS3488569">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488569</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684582</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_14</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684582</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK2.2MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK2.2MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA5684583" accession="ERS3488570">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488570</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684583</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_15</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684583</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK2.3MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK2.3MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA5684584" accession="ERS3488571">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488571</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684584</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_16</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684584</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK3.1MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK3.1MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA5684585" accession="ERS3488572">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488572</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684585</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_17</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684585</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK3.2MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK3.2MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SAMEA5684586" accession="ERS3488573">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS3488573</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA5684586</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mock_sample_18</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1235509</TAXON_ID>
      <SCIENTIFIC_NAME>synthetic metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Artificial mixture formed of plankton. Non-axenic mock community</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-FIRST-PUBLIC</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ENA-LAST-UPDATE</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>External Id</TAG>
        <VALUE>SAMEA5684586</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
        <VALUE>IIM-CSIC</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC first public</TAG>
        <VALUE>2020-07-17T17:03:54Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC last update</TAG>
        <VALUE>2019-06-03T14:52:13Z</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC status</TAG>
        <VALUE>public</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Submitter Id</TAG>
        <VALUE>MK3.3MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>2018</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (biome)</TAG>
        <VALUE>Atlantic Ocean water</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (feature)</TAG>
        <VALUE>Galician</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>environment (material)</TAG>
        <VALUE>sea water artificial mixture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>Spain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (depth)</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (latitude)</TAG>
        <VALUE>42.225808</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (longitude)</TAG>
        <VALUE>-8.752204</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>investigation type</TAG>
        <VALUE>metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library construction method</TAG>
        <VALUE>ION PLUS FRAGMENT LIBRARY KIT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>project name</TAG>
        <VALUE>protocol_small_eukaryotic_plankton</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sample name</TAG>
        <VALUE>MK3.3MT3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>synthetic metagenome</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sequencing method</TAG>
        <VALUE>Pyrosequencing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>target gene</TAG>
        <VALUE>18S rRNA</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>water environmental package</TAG>
        <VALUE>water</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
