<?xml version="1.0" encoding="UTF-8"?>
<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE alias="pfl_ts" accession="SRS12924121">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS12924121</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN28107561</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PFL_top_section</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>821074</ID>
          <LABEL>PRJNA821074</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2017-04</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>30-130 cm</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>elev</TAG>
        <VALUE>0m</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>thermokarst lake [ENVO:03000082]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>permafrost thawing process [ENVO:01001613]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>lake sediment [ENVO:00000546]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Russia:Bykovsky Peninsula, Polar Fox Lagoon</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>71.742951 N 129.337673 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMS.me</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
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      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="pfl_p" accession="SRS12924122">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS12924122</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN28107566</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PFL_permafrost</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
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        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>821074</ID>
          <LABEL>PRJNA821074</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2017-04</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>530-540cm</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>elev</TAG>
        <VALUE>0m</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>thermokarst lake [ENVO:03000082]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>permafrost thawing process [ENVO:01001613]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>lake sediment [ENVO:00000546]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Russia:Bykovsky Peninsula, Polar Fox Lagoon</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>71.742951 N 129.337673 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMS.me</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="pfl_t1" accession="SRS12924123">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS12924123</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN28107562</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PFL_transition_1</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>821074</ID>
          <LABEL>PRJNA821074</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2017-04</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>180-190 cm</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>elev</TAG>
        <VALUE>0m</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>thermokarst lake [ENVO:03000082]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>permafrost thawing process [ENVO:01001613]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>lake sediment [ENVO:00000546]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Russia:Bykovsky Peninsula, Polar Fox Lagoon</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>71.742951 N 129.337673 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMS.me</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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    <IDENTIFIERS>
      <PRIMARY_ID>SRS12924124</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN28107563</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PFL_transition_2</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>821074</ID>
          <LABEL>PRJNA821074</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2017-04</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>210-220cm</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>elev</TAG>
        <VALUE>0m</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>thermokarst lake [ENVO:03000082]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>permafrost thawing process [ENVO:01001613]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>lake sediment [ENVO:00000546]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Russia:Bykovsky Peninsula, Polar Fox Lagoon</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>71.742951 N 129.337673 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMS.me</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="pfl_t3" accession="SRS12924125">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS12924125</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN28107564</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PFL_transition_3</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>821074</ID>
          <LABEL>PRJNA821074</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2017-04</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>240-250cm</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>elev</TAG>
        <VALUE>0m</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>thermokarst lake [ENVO:03000082]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>permafrost thawing process [ENVO:01001613]</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>lake sediment [ENVO:00000546]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Russia:Bykovsky Peninsula, Polar Fox Lagoon</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>71.742951 N 129.337673 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMS.me</VALUE>
      </SAMPLE_ATTRIBUTE>
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        <TAG>BioSampleModel</TAG>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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    <IDENTIFIERS>
      <PRIMARY_ID>SRS12924126</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN28107565</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PFL_bottom</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>749907</TAXON_ID>
      <SCIENTIFIC_NAME>sediment metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>821074</ID>
          <LABEL>PRJNA821074</LABEL>
        </XREF_LINK>
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        <TAG>collection_date</TAG>
        <VALUE>2017-04</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>270-450cm</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>elev</TAG>
        <VALUE>0m</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>thermokarst lake [ENVO:03000082]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>permafrost thawing process [ENVO:01001613]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>lake sediment [ENVO:00000546]</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Russia:Bykovsky Peninsula, Polar Fox Lagoon</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>71.742951 N 129.337673 E</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMS.me</VALUE>
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        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.sediment</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
