<?xml version="1.0" encoding="UTF-8"?><md:MetaData xmlns:md="http://www.pangaea.de/MetaData" version="2026-04-13">
<md:citation id="dataset922755">
<md:author id="dataset.author63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:author>
<md:author id="dataset.author34344">
<md:lastName>Naafs</md:lastName>
<md:firstName>Bernhard David A</md:firstName>
<md:eMail>david.naafs@bristol.ac.uk</md:eMail>
<md:orcid>0000-0001-5125-6928</md:orcid>
</md:author>
<md:author id="dataset.author57939">
<md:lastName>Gallego-Sala</md:lastName>
<md:firstName>Angela V</md:firstName>
<md:orcid>0000-0002-7483-7773</md:orcid>
</md:author>
<md:author id="dataset.author29658">
<md:lastName>Pancost</md:lastName>
<md:firstName>Richard D</md:firstName>
<md:eMail>R.D.Pancost@bristol.ac.uk</md:eMail>
<md:orcid>0000-0003-0298-4026</md:orcid>
</md:author>
<md:author id="dataset.author66494">
<md:lastName>T-GRES peat database collaborators</md:lastName>
</md:author>
<md:year>2020</md:year>
<md:title>Global distribution of archaeal biomarkers in wetlands</md:title>
<md:type id="dataset.reftype10" includeInCitation="true">dataset</md:type>
<md:URI>https://doi.org/10.1594/PANGAEA.922755</md:URI>
<md:dateTime>2020-09-15T11:33:56</md:dateTime>
</md:citation>
<md:abstract>This is the archaeal GDGT dataset for global peatlands. The first dataset contains biomarker data for each individual sample as for many peatlands we analysed more than one sample. The second dataset contains the averaged data for isoGDGT isomers in all sites that contains both associated pH and temperature measurements. Other biomarker data for these samples can be found here: https://doi.pangaea.de/10.1594/PANGAEA.883763</md:abstract>
<md:reference dataciteRelType="IsSupplementTo" group="200" id="ref105303" relationType="Supplement to" relationTypeId="5">
<md:author id="ref105303.author63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:author>
<md:author id="ref105303.author34344">
<md:lastName>Naafs</md:lastName>
<md:firstName>Bernhard David A</md:firstName>
<md:eMail>david.naafs@bristol.ac.uk</md:eMail>
<md:orcid>0000-0001-5125-6928</md:orcid>
</md:author>
<md:author id="ref105303.author57939">
<md:lastName>Gallego-Sala</md:lastName>
<md:firstName>Angela V</md:firstName>
<md:orcid>0000-0002-7483-7773</md:orcid>
</md:author>
<md:author id="ref105303.author29658">
<md:lastName>Pancost</md:lastName>
<md:firstName>Richard D</md:firstName>
<md:eMail>R.D.Pancost@bristol.ac.uk</md:eMail>
<md:orcid>0000-0003-0298-4026</md:orcid>
</md:author>
<md:author id="ref105303.author66494">
<md:lastName>T-GRES peat database collaborators</md:lastName>
</md:author>
<md:year>2020</md:year>
<md:title>Effects of temperature and pH on archaeal membrane lipid distributions in freshwater wetlands</md:title>
<md:type id="ref105303.reftype1">journal article</md:type>
<md:source id="ref105303.journal12339" relatedTermIds="33971" type="journal">Organic Geochemistry</md:source>
<md:volume>148</md:volume>
<md:URI>https://doi.org/10.1016/j.orggeochem.2020.104080</md:URI>
<md:pages>104080</md:pages>
</md:reference>
<md:reference dataciteRelType="References" group="210" id="refds921817" relationType="Related to" relationTypeId="12">
<md:author id="refds921817.author63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:author>
<md:author id="refds921817.author34344">
<md:lastName>Naafs</md:lastName>
<md:firstName>Bernhard David A</md:firstName>
<md:eMail>david.naafs@bristol.ac.uk</md:eMail>
<md:orcid>0000-0001-5125-6928</md:orcid>
</md:author>
<md:author id="refds921817.author57939">
<md:lastName>Gallego-Sala</md:lastName>
<md:firstName>Angela V</md:firstName>
<md:orcid>0000-0002-7483-7773</md:orcid>
</md:author>
<md:author id="refds921817.author29658">
<md:lastName>Pancost</md:lastName>
<md:firstName>Richard D</md:firstName>
<md:eMail>R.D.Pancost@bristol.ac.uk</md:eMail>
<md:orcid>0000-0003-0298-4026</md:orcid>
</md:author>
<md:author id="refds921817.author66494">
<md:lastName>T-GRES peat database collaborators</md:lastName>
</md:author>
<md:year>2020</md:year>
<md:title>Averaged isoGDGT isomers in global database of wetlands</md:title>
<md:type id="refds921817.reftype10" includeInCitation="true">dataset</md:type>
<md:URI>https://doi.org/10.1594/PANGAEA.921817</md:URI>
</md:reference>
<md:reference dataciteRelType="References" group="210" id="refds883763" relationType="Related to" relationTypeId="12">
<md:author id="refds883763.author34344">
<md:lastName>Naafs</md:lastName>
<md:firstName>Bernhard David A</md:firstName>
<md:eMail>david.naafs@bristol.ac.uk</md:eMail>
<md:orcid>0000-0001-5125-6928</md:orcid>
</md:author>
<md:year>2017</md:year>
<md:title>Individual biomarker (GDGT) concentration in a global set of peatlands</md:title>
<md:type id="refds883763.reftype10" includeInCitation="true">dataset</md:type>
<md:URI>https://doi.org/10.1594/PANGAEA.883763</md:URI>
</md:reference>
<md:extent>
<md:topoType id="topotype1">not specified</md:topoType>
</md:extent>
<md:size unit="data points">9870</md:size>
<md:license id="license21">
<md:label>CC-BY-4.0</md:label>
<md:name>Creative Commons Attribution 4.0 International</md:name>
<md:URI>https://creativecommons.org/licenses/by/4.0/</md:URI>
</md:license>
<md:matrixColumn col="0" id="col0.ds13970391" source="data" type="string">
<md:parameter id="col0.ds13970391.param8683">
<md:name>Country</md:name>
<md:shortName>Country</md:shortName>
</md:parameter>
<md:PI id="col0.ds13970391.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:caption>Country</md:caption>
</md:matrixColumn>
<md:matrixColumn col="1" id="col1.ds13970392" source="data" type="string">
<md:parameter id="col1.ds13970392.param15373">
<md:name>Area/locality</md:name>
<md:shortName>Area</md:shortName>
<md:term endOffset="4" fragment="1" id="col1.ds13970392.param15373.term43770" semanticURI="http://qudt.org/1.1/vocab/quantity#Area" startOffset="0" terminologyId="13" terminologyLabel="PAN-Quantity">
<md:name>Area</md:name>
<md:URI>http://dbpedia.org/resource/Area</md:URI>
</md:term>
</md:parameter>
<md:PI id="col1.ds13970392.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:comment>Peat location/name</md:comment>
<md:caption>Area (Peat location/name)</md:caption>
</md:matrixColumn>
<md:matrixColumn col="2" id="col2.ds13970393" source="data" type="string">
<md:parameter id="col2.ds13970393.param128037">
<md:name>Depth, description</md:name>
<md:shortName>Depth desc</md:shortName>
<md:term endOffset="5" fragment="1" id="col2.ds13970393.param128037.term1073131" semanticURI="urn:obo:pato:term:0001595" startOffset="0" terminologyId="14" terminologyLabel="PATO">
<md:name>depth</md:name>
<md:URI>http://purl.obolibrary.org/obo/PATO_0001595</md:URI>
</md:term>
<md:term endOffset="18" fragment="2" id="col2.ds13970393.param128037.term40710" startOffset="7" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>description</md:name>
</md:term>
</md:parameter>
<md:PI id="col2.ds13970393.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:caption>Depth desc</md:caption>
</md:matrixColumn>
<md:matrixColumn col="3" format="##0.0" id="col3.ds13970394" source="data" type="numeric">
<md:parameter id="col3.ds13970394.param31447">
<md:name>Temperature, annual mean</md:name>
<md:shortName>MAT</md:shortName>
<md:unit>°C</md:unit>
<md:term endOffset="11" fragment="1" id="col3.ds13970394.param31447.term43972" semanticURI="http://qudt.org/1.1/vocab/quantity#ThermodynamicTemperature" startOffset="0" terminologyId="13" terminologyLabel="PAN-Quantity">
<md:name>Temperature</md:name>
<md:optionalName>Θ</md:optionalName>
<md:URI>http://dbpedia.org/resource/Temperature</md:URI>
</md:term>
<md:term endOffset="19" fragment="2" id="col3.ds13970394.param31447.term41091" startOffset="13" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>annual</md:name>
</md:term>
<md:term endOffset="24" fragment="3" id="col3.ds13970394.param31447.term40958" startOffset="20" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>mean</md:name>
</md:term>
</md:parameter>
<md:PI id="col3.ds13970394.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:caption>MAT [°C]</md:caption>
</md:matrixColumn>
<md:matrixColumn col="4" format="###0.0" id="col4.ds13970395" source="data" type="numeric">
<md:parameter id="col4.ds13970395.param31446">
<md:name>Temperature, coldest month</md:name>
<md:shortName>CMT</md:shortName>
<md:unit>°C</md:unit>
<md:term endOffset="11" fragment="1" id="col4.ds13970395.param31446.term43972" semanticURI="http://qudt.org/1.1/vocab/quantity#ThermodynamicTemperature" startOffset="0" terminologyId="13" terminologyLabel="PAN-Quantity">
<md:name>Temperature</md:name>
<md:optionalName>Θ</md:optionalName>
<md:URI>http://dbpedia.org/resource/Temperature</md:URI>
</md:term>
</md:parameter>
<md:PI id="col4.ds13970395.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:caption>CMT [°C]</md:caption>
</md:matrixColumn>
<md:matrixColumn col="5" format="##0.0" id="col5.ds13970396" source="data" type="numeric">
<md:parameter id="col5.ds13970396.param31451">
<md:name>Temperature, warmest month</md:name>
<md:shortName>WMT</md:shortName>
<md:unit>°C</md:unit>
<md:term endOffset="11" fragment="1" id="col5.ds13970396.param31451.term43972" semanticURI="http://qudt.org/1.1/vocab/quantity#ThermodynamicTemperature" startOffset="0" terminologyId="13" terminologyLabel="PAN-Quantity">
<md:name>Temperature</md:name>
<md:optionalName>Θ</md:optionalName>
<md:URI>http://dbpedia.org/resource/Temperature</md:URI>
</md:term>
</md:parameter>
<md:PI id="col5.ds13970396.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:caption>WMT [°C]</md:caption>
</md:matrixColumn>
<md:matrixColumn col="6" format="#0.0" id="col6.ds13970397" source="data" type="numeric">
<md:parameter id="col6.ds13970397.param764">
<md:name>pH</md:name>
<md:shortName>pH</md:shortName>
</md:parameter>
<md:PI id="col6.ds13970397.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:caption>pH</md:caption>
</md:matrixColumn>
<md:matrixColumn col="7" format="#0.0" id="col7.ds13970398" source="data" type="numeric">
<md:parameter id="col7.ds13970398.param87459">
<md:name>pH, standard deviation</md:name>
<md:shortName>pH std dev</md:shortName>
<md:unit>±</md:unit>
<md:term endOffset="22" fragment="1" id="col7.ds13970398.param87459.term37764" startOffset="4" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>standard deviation</md:name>
<md:optionalName>std dev</md:optionalName>
<md:URI>https://en.wikipedia.org/wiki/Standard_deviation</md:URI>
</md:term>
</md:parameter>
<md:PI id="col7.ds13970398.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:caption>pH std dev [±]</md:caption>
</md:matrixColumn>
<md:matrixColumn col="8" format="#########0" id="col8.ds13970399" source="data" type="numeric">
<md:parameter id="col8.ds13970399.param169091">
<md:name>Isoprenoid acyclic glycerol dialkyl glycerol tetraether, fractional abundance</md:name>
<md:shortName>iso GDGT-0</md:shortName>
<md:term endOffset="77" fragment="1" id="col8.ds13970399.param169091.term39997" startOffset="57" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>fractional abundance</md:name>
</md:term>
</md:parameter>
<md:PI id="col8.ds13970399.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:comment>#0 = too weak</md:comment>
<md:caption>iso GDGT-0 (#0 = too weak)</md:caption>
</md:matrixColumn>
<md:matrixColumn col="9" format="#######0" id="col9.ds13970400" source="data" type="numeric">
<md:parameter id="col9.ds13970400.param169092">
<md:name>Isoprenoid monocyclic glycerol dialkyl glycerol tetraether, fractional abundance</md:name>
<md:shortName>iso GDGT-1</md:shortName>
<md:term endOffset="80" fragment="1" id="col9.ds13970400.param169092.term39997" startOffset="60" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>fractional abundance</md:name>
</md:term>
</md:parameter>
<md:PI id="col9.ds13970400.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:caption>iso GDGT-1</md:caption>
</md:matrixColumn>
<md:matrixColumn col="10" format="#######0" id="col10.ds13970401" source="data" type="numeric">
<md:parameter id="col10.ds13970401.param169093">
<md:name>Isoprenoid dicyclic glycerol dialkyl glycerol tetraether, fractional abundance</md:name>
<md:shortName>iso GDGT-2</md:shortName>
<md:term endOffset="78" fragment="1" id="col10.ds13970401.param169093.term39997" startOffset="58" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>fractional abundance</md:name>
</md:term>
</md:parameter>
<md:PI id="col10.ds13970401.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:caption>iso GDGT-2</md:caption>
</md:matrixColumn>
<md:matrixColumn col="11" format="########0" id="col11.ds13970402" source="data" type="numeric">
<md:parameter id="col11.ds13970402.param169094">
<md:name>Isoprenoid tricyclic glycerol dialkyl glycerol tetraether, fractional abundance</md:name>
<md:shortName>iso GDGT-3</md:shortName>
<md:term endOffset="79" fragment="1" id="col11.ds13970402.param169094.term39997" startOffset="59" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>fractional abundance</md:name>
</md:term>
</md:parameter>
<md:PI id="col11.ds13970402.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:caption>iso GDGT-3</md:caption>
</md:matrixColumn>
<md:matrixColumn col="12" format="########0" id="col12.ds13970403" source="data" type="numeric">
<md:parameter id="col12.ds13970403.param160836">
<md:name>Crenarchaeol (peak area)</md:name>
<md:shortName>Cren peak area</md:shortName>
<md:term endOffset="12" fragment="1" id="col12.ds13970403.param160836.term39114" startOffset="0" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>crenarchaeol</md:name>
</md:term>
<md:term endOffset="23" fragment="2" id="col12.ds13970403.param160836.term38481" startOffset="14" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>peak area</md:name>
</md:term>
</md:parameter>
<md:PI id="col12.ds13970403.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:caption>Cren peak area</md:caption>
</md:matrixColumn>
<md:matrixColumn col="13" format="#######0" id="col13.ds13970404" source="data" type="numeric">
<md:parameter id="col13.ds13970404.param160833">
<md:name>Crenarchaeol isomer (peak area)</md:name>
<md:shortName>Cren iso peak area</md:shortName>
<md:term endOffset="30" fragment="1" id="col13.ds13970404.param160833.term38481" startOffset="21" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>peak area</md:name>
</md:term>
</md:parameter>
<md:PI id="col13.ds13970404.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:caption>Cren iso peak area</md:caption>
</md:matrixColumn>
<md:matrixColumn col="14" format="#######0" id="col14.ds13970405" source="data" type="numeric">
<md:parameter id="col14.ds13970405.param187419">
<md:name>Isoprenoid glycerol dialkyl glycerol tetraether, 5 (peak area)</md:name>
<md:shortName>iso GDGT-5</md:shortName>
<md:term endOffset="47" fragment="1" id="col14.ds13970405.param187419.term37911" startOffset="0" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>isoprenoid glycerol dialkyl glycerol tetraether</md:name>
<md:optionalName>isoGDGT</md:optionalName>
</md:term>
<md:term endOffset="61" fragment="2" id="col14.ds13970405.param187419.term38481" startOffset="52" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>peak area</md:name>
</md:term>
</md:parameter>
<md:PI id="col14.ds13970405.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:caption>iso GDGT-5</md:caption>
</md:matrixColumn>
<md:matrixColumn col="15" format="#0.00" id="col15.ds13970406" source="data" type="numeric">
<md:parameter id="col15.ds13970406.param169091">
<md:name>Isoprenoid acyclic glycerol dialkyl glycerol tetraether, fractional abundance</md:name>
<md:shortName>iso GDGT-0</md:shortName>
<md:term endOffset="77" fragment="1" id="col15.ds13970406.param169091.term39997" startOffset="57" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>fractional abundance</md:name>
</md:term>
</md:parameter>
<md:PI id="col15.ds13970406.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:caption>iso GDGT-0</md:caption>
</md:matrixColumn>
<md:matrixColumn col="16" format="#0.00" id="col16.ds13970407" source="data" type="numeric">
<md:parameter id="col16.ds13970407.param169091">
<md:name>Isoprenoid acyclic glycerol dialkyl glycerol tetraether, fractional abundance</md:name>
<md:shortName>iso GDGT-0</md:shortName>
<md:term endOffset="77" fragment="1" id="col16.ds13970407.param169091.term39997" startOffset="57" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>fractional abundance</md:name>
</md:term>
</md:parameter>
<md:PI id="col16.ds13970407.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:caption>iso GDGT-0</md:caption>
</md:matrixColumn>
<md:matrixColumn col="17" format="#0.00" id="col17.ds13970408" source="data" type="numeric">
<md:parameter id="col17.ds13970408.param169093">
<md:name>Isoprenoid dicyclic glycerol dialkyl glycerol tetraether, fractional abundance</md:name>
<md:shortName>iso GDGT-2</md:shortName>
<md:term endOffset="78" fragment="1" id="col17.ds13970408.param169093.term39997" startOffset="58" terminologyId="18" terminologyLabel="PAN-MicroBio">
<md:name>fractional abundance</md:name>
</md:term>
</md:parameter>
<md:PI id="col17.ds13970408.pi63603">
<md:lastName>Blewett</md:lastName>
<md:firstName>Jerome</md:firstName>
<md:orcid>0000-0003-4164-8084</md:orcid>
</md:PI>
<md:caption>iso GDGT-2</md:caption>
</md:matrixColumn>
<md:matrixColumn col="18" format="#0.00" id="col18.ds13970409" source="data" type="numeric">
<md:parameter id="col18.ds13970409.param169094">
<md:name>Isoprenoid tricyclic glycerol dialkyl glycerol tetraether, fractional abundance</md:name>
<md:shortName>iso GDGT-3</md:shortName>
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<md:PI id="col18.ds13970409.pi63603">
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<md:term endOffset="34" fragment="2" id="col19.ds13970410.param160835.term39997" startOffset="14" terminologyId="18" terminologyLabel="PAN-MicroBio">
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<md:parameter id="col20.ds13970411.param160834">
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<md:shortName>Cren iso</md:shortName>
<md:term endOffset="41" fragment="1" id="col20.ds13970411.param160834.term39997" startOffset="21" terminologyId="18" terminologyLabel="PAN-MicroBio">
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<md:parameter id="col21.ds13970412.param169096">
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<md:shortName>Index</md:shortName>
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<md:comment>isoGDGT (Isomer Index: IsoGDGT-1:3)</md:comment>
<md:caption>Index (isoGDGT (Isomer Index: IsoGDG...)</md:caption>
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<md:techKeyword type="autoGenerated">citable</md:techKeyword>
<md:keyword id="keywords.term37670" type="fromDatabase">Archaea</md:keyword>
<md:keyword id="keywords.term54790" type="fromDatabase">BDGTs</md:keyword>
<md:keyword id="keywords.term50314" type="fromDatabase">biogeochemistry</md:keyword>
<md:keyword id="keywords.term48261" type="fromDatabase">crenarchaeol</md:keyword>
<md:keyword id="keywords.term48573" type="fromDatabase">GDGTs</md:keyword>
<md:keyword id="keywords.term54792" type="fromDatabase">isomers</md:keyword>
<md:keyword id="keywords.term54791" type="fromDatabase">Me-GDGTs</md:keyword>
<md:keyword id="keywords.term50932" type="fromDatabase">pH</md:keyword>
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