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          <ID>705223</ID>
          <LABEL>PRJNA705223</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2017-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>0-3 cm</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>elev</TAG>
        <VALUE>2620 m</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>USA: Arizona</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>35.3539 N 111.7306 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sample_wholeRep_or_Fraction</TAG>
        <VALUE>control soil t=3d rep1 16O fraction 14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.soil</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="A108" accession="SRS8332813">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8332813</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18079139</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>warmed soil t=0 rep3</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>410658</TAXON_ID>
      <SCIENTIFIC_NAME>soil metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Whole DNA sequenced warmed soil sample at t=0 at beginning of field qSIP tracer study with 18O-H2O</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
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          <LABEL>PRJNA705223</LABEL>
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    </SAMPLE_LINKS>
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        <TAG>collection_date</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>0-3 cm</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>elev</TAG>
        <VALUE>2344 m</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>soil</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>soil</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>35.3539 N 111.7306 W</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>Sample_wholeRep_or_Fraction</TAG>
        <VALUE>warmed soil t=0 rep3</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.soil</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="C120.3" accession="SRS8332814">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8332814</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18079202</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>control soil t=3d rep1 16O fraction 3</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>410658</TAXON_ID>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
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      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>0-3 cm</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>elev</TAG>
        <VALUE>2620 m</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
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      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>USA: Arizona</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>35.3539 N 111.7306 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sample_wholeRep_or_Fraction</TAG>
        <VALUE>control soil t=3d rep1 16O fraction 3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.soil</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="C120.4S" accession="SRS8332815">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8332815</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18079203</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>control soil t=3d rep1 16O fraction 4</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>410658</TAXON_ID>
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    <DESCRIPTION>qSIP DNA density fraction sequenced from control soil sample from 3 day field qSIP tracer study with 18O-H2O</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
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        <VALUE>0-3 cm</VALUE>
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      <SAMPLE_ATTRIBUTE>
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        <VALUE>2620 m</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
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      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
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      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sample_wholeRep_or_Fraction</TAG>
        <VALUE>control soil t=3d rep1 16O fraction 4</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.soil</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
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      <PRIMARY_ID>SRS8332816</PRIMARY_ID>
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    <SAMPLE_NAME>
      <TAXON_ID>410658</TAXON_ID>
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    <DESCRIPTION>qSIP DNA density fraction sequenced from control soil sample from 3 day field qSIP tracer study with 18O-H2O</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
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    <SAMPLE_ATTRIBUTES>
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      <SAMPLE_ATTRIBUTE>
        <TAG>Sample_wholeRep_or_Fraction</TAG>
        <VALUE>control soil t=3d rep1 16O fraction 5</VALUE>
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      <PRIMARY_ID>SRS8332817</PRIMARY_ID>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>Sample_wholeRep_or_Fraction</TAG>
        <VALUE>control soil t=3d rep1 16O fraction 6</VALUE>
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      <SAMPLE_ATTRIBUTE>
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      <PRIMARY_ID>SRS8332818</PRIMARY_ID>
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      <PRIMARY_ID>SRS8332819</PRIMARY_ID>
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      <PRIMARY_ID>SRS8332820</PRIMARY_ID>
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  </SAMPLE>
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    </SAMPLE_ATTRIBUTES>
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    </IDENTIFIERS>
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      <TAXON_ID>410658</TAXON_ID>
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      <SAMPLE_LINK>
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      <EXTERNAL_ID namespace="BioSample">SAMN18079136</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>control soil t=0 rep5</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>410658</TAXON_ID>
      <SCIENTIFIC_NAME>soil metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Whole DNA sequenced control soil sample at t=0 at beginning of field qSIP tracer study with 18O-H2O</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>705223</ID>
          <LABEL>PRJNA705223</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2017-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>0-3 cm</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>elev</TAG>
        <VALUE>2620 m</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>USA: Arizona</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>35.3539 N 111.7306 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sample_wholeRep_or_Fraction</TAG>
        <VALUE>control soil t=0 rep5</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.soil</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="D139" accession="SRS8332972">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8332972</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18079170</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>control soil t=10d rep5 18O NV</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>410658</TAXON_ID>
      <SCIENTIFIC_NAME>soil metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Whole DNA sequenced control soil sample from field qSIP tracer study with 18O-H2O</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>705223</ID>
          <LABEL>PRJNA705223</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2017-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>0-3 cm</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>elev</TAG>
        <VALUE>2620 m</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>USA: Arizona</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>35.3539 N 111.7306 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sample_wholeRep_or_Fraction</TAG>
        <VALUE>control soil t=10d rep5 18O NV</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.soil</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="E141" accession="SRS8332973">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8332973</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18079172</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>lab soil t=10d rep1 18O</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>410658</TAXON_ID>
      <SCIENTIFIC_NAME>soil metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Whole DNA sequenced control soil sample from field qSIP tracer study with 18O-H2O</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>705223</ID>
          <LABEL>PRJNA705223</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2017-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>0-3 cm</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>elev</TAG>
        <VALUE>2620 m</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>USA: Arizona</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>35.3539 N 111.7306 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sample_wholeRep_or_Fraction</TAG>
        <VALUE>lab soil t=10d rep1 18O</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.soil</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="E144" accession="SRS8332974">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8332974</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18079175</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>lab soil t=10d rep3 16O</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>410658</TAXON_ID>
      <SCIENTIFIC_NAME>soil metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Whole DNA sequenced control soil sample from field qSIP tracer study with 18O-H2O</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>705223</ID>
          <LABEL>PRJNA705223</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2017-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>0-3 cm</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>elev</TAG>
        <VALUE>2620 m</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>USA: Arizona</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>35.3539 N 111.7306 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sample_wholeRep_or_Fraction</TAG>
        <VALUE>lab soil t=10d rep3 16O</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.soil</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="E145" accession="SRS8332975">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8332975</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18079176</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>lab soil t=10d rep3 18O</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>410658</TAXON_ID>
      <SCIENTIFIC_NAME>soil metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Whole DNA sequenced control soil sample from field qSIP tracer study with 18O-H2O</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>705223</ID>
          <LABEL>PRJNA705223</LABEL>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
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        <VALUE>2017-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>0-3 cm</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>elev</TAG>
        <VALUE>2620 m</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>USA: Arizona</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>35.3539 N 111.7306 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sample_wholeRep_or_Fraction</TAG>
        <VALUE>lab soil t=10d rep3 18O</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.soil</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="E142" accession="SRS8332976">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8332976</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18079173</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>lab soil t=10d rep2 16O</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>410658</TAXON_ID>
      <SCIENTIFIC_NAME>soil metagenome</SCIENTIFIC_NAME>
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    <DESCRIPTION>Whole DNA sequenced control soil sample from field qSIP tracer study with 18O-H2O</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>705223</ID>
          <LABEL>PRJNA705223</LABEL>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
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        <VALUE>2017-05</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>0-3 cm</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>elev</TAG>
        <VALUE>2620 m</VALUE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>USA: Arizona</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>35.3539 N 111.7306 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sample_wholeRep_or_Fraction</TAG>
        <VALUE>lab soil t=10d rep2 16O</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.soil</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="E143" accession="SRS8332977">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8332977</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18079174</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>lab soil t=10d rep2 18O</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>410658</TAXON_ID>
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    <DESCRIPTION>Whole DNA sequenced control soil sample from field qSIP tracer study with 18O-H2O</DESCRIPTION>
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      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>705223</ID>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
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      <SAMPLE_ATTRIBUTE>
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      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
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      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sample_wholeRep_or_Fraction</TAG>
        <VALUE>lab soil t=10d rep2 18O</VALUE>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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      <PRIMARY_ID>SRS8332978</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18079177</EXTERNAL_ID>
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    <TITLE>lab soil t=10d rep4 16O</TITLE>
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      <TAXON_ID>410658</TAXON_ID>
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      <SAMPLE_LINK>
        <XREF_LINK>
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      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
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      <SAMPLE_ATTRIBUTE>
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      <PRIMARY_ID>SRS8332979</PRIMARY_ID>
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        <XREF_LINK>
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        <XREF_LINK>
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      <SAMPLE_ATTRIBUTE>
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        <VALUE>2620 m</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>soil</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>soil</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>USA: Arizona</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>35.3539 N 111.7306 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sample_wholeRep_or_Fraction</TAG>
        <VALUE>control soil t=3d rep1 16O</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.soil</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="E147" accession="SRS8332981">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8332981</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18079178</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>lab soil t=10d rep4 18O</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>410658</TAXON_ID>
      <SCIENTIFIC_NAME>soil metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Whole DNA sequenced control soil sample from field qSIP tracer study with 18O-H2O</DESCRIPTION>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>705223</ID>
          <LABEL>PRJNA705223</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2017-05</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>depth</TAG>
        <VALUE>0-3 cm</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>elev</TAG>
        <VALUE>2620 m</VALUE>
      </SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>Sample_wholeRep_or_Fraction</TAG>
        <VALUE>lab soil t=10d rep4 18O</VALUE>
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      <SAMPLE_ATTRIBUTE>
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      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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    <IDENTIFIERS>
      <PRIMARY_ID>SRS8332982</PRIMARY_ID>
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    </IDENTIFIERS>
    <TITLE>control soil t=3d rep5 18O fraction 10</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>410658</TAXON_ID>
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    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
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    </SAMPLE_LINKS>
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        <TAG>Sample_wholeRep_or_Fraction</TAG>
        <VALUE>control soil t=3d rep5 18O fraction 10</VALUE>
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    </SAMPLE_ATTRIBUTES>
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      <PRIMARY_ID>SRS8332983</PRIMARY_ID>
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        <VALUE>control soil t=3d rep5 18O fraction 1</VALUE>
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      <PRIMARY_ID>SRS8332984</PRIMARY_ID>
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        <XREF_LINK>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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      <TAXON_ID>410658</TAXON_ID>
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  </SAMPLE>
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      <TAXON_ID>410658</TAXON_ID>
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      <SAMPLE_LINK>
        <XREF_LINK>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.soil</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
