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    <language>eng</language>
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    <issue/>
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    <completedDate>2013-07-16</completedDate>
    <publishedDate>--</publishedDate>
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    <title language="eng">Dynamics, chemical properties and bioavailability of DOC in an early successional catchment</title>
    <parentTitle language="eng">Biogeosciences</parentTitle>
    <identifier type="doi">doi:10.5194/bg-10-4751-2013</identifier>
    <identifier type="issn">1726-4189</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <author>
      <firstName>Ute</firstName>
      <lastName>Risse-Buhl</lastName>
    </author>
    <submitter>
      <firstName>Werner</firstName>
      <lastName>Gerwin</lastName>
    </submitter>
    <author>
      <firstName>Frank</firstName>
      <lastName>Hagedorn</lastName>
    </author>
    <author>
      <firstName>Alexander</firstName>
      <lastName>Dümig</lastName>
    </author>
    <author>
      <firstName>Mark O.</firstName>
      <lastName>Gessner</lastName>
    </author>
    <author>
      <firstName>Wolfgang</firstName>
      <lastName>Schaaf</lastName>
    </author>
    <author>
      <firstName>Seth</firstName>
      <lastName>Nii-Annang</lastName>
    </author>
    <author>
      <firstName>Linda</firstName>
      <lastName>Gerull</lastName>
    </author>
    <author>
      <firstName>Michael</firstName>
      <lastName>Mutz</lastName>
    </author>
    <collection role="institutes" number="2052">Zentrum für Landschaftstransformation (ZLT)</collection>
    <collection role="old_institute" number="04011">LS Bodenschutz und Rekultivierung</collection>
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  <doc>
    <id>9465</id>
    <completedYear/>
    <publishedYear>2010</publishedYear>
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    <language>eng</language>
    <pageFirst>S. 93</pageFirst>
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    <publisherPlace>Cottbus</publisherPlace>
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    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2013-09-17</completedDate>
    <publishedDate>--</publishedDate>
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    <title language="eng">Can old organic carbon drive microbial activity in surface waters of a newly created landscape?</title>
    <parentTitle language="eng">Structures and processes of the initial ecosystem development, 1st International Conference assoc. with 4th Meeting of Young Researchers in Earth Sciences (MYRES), 20-24 Sept. 2010, Cottbus, Germany</parentTitle>
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    <author>
      <firstName>Ute</firstName>
      <lastName>Risse-Buhl</lastName>
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    <submitter>
      <firstName>Petra</firstName>
      <lastName>Klammer</lastName>
    </submitter>
    <author>
      <firstName>Seth</firstName>
      <lastName>Nii-Annang</lastName>
    </author>
    <author>
      <firstName>Frank</firstName>
      <lastName>Hagedorn</lastName>
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    <author>
      <firstName>Wolfgang</firstName>
      <lastName>Schaaf</lastName>
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    <author>
      <firstName>Alexander</firstName>
      <lastName>Dümig</lastName>
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    <author>
      <firstName>Michael</firstName>
      <lastName>Schloter</lastName>
    </author>
    <author>
      <firstName>Mark O.</firstName>
      <lastName>Gessner</lastName>
    </author>
    <author>
      <firstName>Michael</firstName>
      <lastName>Mutz</lastName>
    </author>
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  <doc>
    <id>9022</id>
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    <publishedYear>2013</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1011</pageFirst>
    <pageLast>1049</pageLast>
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    <issue>1</issue>
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    <completedDate>2013-06-25</completedDate>
    <publishedDate>--</publishedDate>
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    <title language="eng">Dynamics, chemical properties and bioavailability of DOC in an early successional catchment</title>
    <parentTitle language="eng">Biogeosciences Discussion</parentTitle>
    <identifier type="issn">1810-6285</identifier>
    <enrichment key="BTU">an der BTU erstellt / created at BTU</enrichment>
    <author>
      <firstName>Ute</firstName>
      <lastName>Risse-Buhl</lastName>
    </author>
    <submitter>
      <firstName>Petra</firstName>
      <lastName>Klammer</lastName>
    </submitter>
    <author>
      <firstName>Frank</firstName>
      <lastName>Hagedorn</lastName>
    </author>
    <author>
      <firstName>Alexander</firstName>
      <lastName>Dümig</lastName>
    </author>
    <author>
      <firstName>Mark O.</firstName>
      <lastName>Gessner</lastName>
    </author>
    <author>
      <firstName>Wolfgang</firstName>
      <lastName>Schaaf</lastName>
    </author>
    <author>
      <firstName>Seth</firstName>
      <lastName>Nii-Annang</lastName>
    </author>
    <author>
      <firstName>Linda</firstName>
      <lastName>Gerull</lastName>
    </author>
    <author>
      <firstName>Michael</firstName>
      <lastName>Mutz</lastName>
    </author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>DOC</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>bioavailability</value>
    </subject>
    <collection role="old_institute" number="04011">LS Bodenschutz und Rekultivierung</collection>
    <collection role="institutes" number="2402H01">FG Bodenschutz und Rekultivierung (ehemals)</collection>
  </doc>
  <doc>
    <id>9396</id>
    <completedYear/>
    <publishedYear>2013</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>S. 377</pageFirst>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>Gesellschaft für Ökologie</publisherName>
    <publisherPlace>Berlin</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation>Gsellschaft für Ökologie</contributingCorporation>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2013-09-10</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Dynamics, chemical properties and bioavailability of DOC in an early successional catchment</title>
    <abstract language="eng">The dynamics of dissolved organic carbon (DOC) have been intensively studied in mature ecosystems, but little is known about DOC dynamics and the significance of DOC as a substrate for microbial activity in early-successional catchments. We determined the concentration, chemical composition, radiocarbon age, and bioavailability of DOC along the hydrological flow path from soil solution to a downstream pond in a recently constructed catchment (Chicken Creek Catchment, Germany). Soil solution, upwelling ground water, subsurface water in an alluvial fan, and pond water all had high DOC concentrations (averaged 6.0 – 11.6 mg DOC L‐1), despite small carbon stocks in either vegetation or soil of the catchment. The mean 14C age of DOC in upwelling ground water was 2600 to 2800 years. Solid-state CPMAS 13C NMR revealed a higher proportion of aromatic compounds (32%) and a lower proportion of carbohydrates (33%) in upwelling ground water compared to pond water (18% and 45%, respectively). 14C age and 13C NMR spectra suggest that DOC was partly mobilized from charred organic matter inherent in the Quaternary substrate. In a 70-days incubation experiment, 20% of the total DOC was found to be bioavailable, irrespective of the water type. Origin of the microbial communities within the catchment (enriched from soil, stream sediment or pond water) had only marginal effects on overall DOC utilization. Overall, our data suggest that both recent and old DOC support microbial activity during early ecosystem succession, although a large fraction of the DOC is recalcitrant and eventually exported from the catchment once it has been mobilized.</abstract>
    <parentTitle language="eng">GfÖ 43rd Annual Meeting, Building bridges in ecology, linking systems, scales and disciplines, September 9 to 13, 2013, Potsdam, Germany</parentTitle>
    <enrichment key="UBICOseries">Verhandlungen der Gesellschaft für Ökologie ; 43</enrichment>
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    <author>
      <firstName>Ute</firstName>
      <lastName>Risse-Buhl</lastName>
    </author>
    <editor>
      <firstName>Florian</firstName>
      <lastName>Jeltsch</lastName>
    </editor>
    <submitter>
      <firstName>Werner</firstName>
      <lastName>Gerwin</lastName>
    </submitter>
    <author>
      <firstName>Frank</firstName>
      <lastName>Hagedorn</lastName>
    </author>
    <editor>
      <firstName>Jasmin</firstName>
      <lastName>Joshi</lastName>
    </editor>
    <author>
      <firstName>Alexander</firstName>
      <lastName>Dümig</lastName>
    </author>
    <author>
      <firstName>Mark O.</firstName>
      <lastName>Gessner</lastName>
    </author>
    <author>
      <firstName>Wolfgang</firstName>
      <lastName>Schaaf</lastName>
    </author>
    <author>
      <firstName>Seth</firstName>
      <lastName>Nii-Annang</lastName>
    </author>
    <author>
      <firstName>Linda</firstName>
      <lastName>Gerull</lastName>
    </author>
    <author>
      <firstName>Michael</firstName>
      <lastName>Mutz</lastName>
    </author>
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    <collection role="old_institute" number="04014">LS Gewässerschutz</collection>
    <collection role="institutes" number="2402H01">FG Bodenschutz und Rekultivierung (ehemals)</collection>
    <collection role="institutes" number="2405">FG Gewässerökologie</collection>
  </doc>
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