@article{Guo2013-08Minor-43353,
  year={2013},
  doi={10.1007/s11104-013-1603-6},
  title={Minor contribution of leaf litter to N nutrition of beech (Fagus sylvatica) seedlings in a mountainous beech forest of Southern Germany},
  number={1-2},
  volume={369},
  issn={0032-079X},
  journal={Plant and Soil},
  pages={657--668},
  author={Guo, Chanjuan and Simon, Judy and Gasche, Rainer and Naumann, Pascale Sarah and Bimüller, Carolin and Pena, Rodica and Polle, Andrea and Kögel-Knabner, Ingrid and Zeller, Bernd and Rennenberg, Heinz and Dannenmann, Michael}
}

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    <dc:contributor>Simon, Judy</dc:contributor>
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    <dcterms:title>Minor contribution of leaf litter to N nutrition of beech (Fagus sylvatica) seedlings in a mountainous beech forest of Southern Germany</dcterms:title>
    <dc:creator>Kögel-Knabner, Ingrid</dc:creator>
    <dc:creator>Pena, Rodica</dc:creator>
    <dc:creator>Simon, Judy</dc:creator>
    <dc:contributor>Zeller, Bernd</dc:contributor>
    <dc:contributor>Naumann, Pascale Sarah</dc:contributor>
    <dc:contributor>Bimüller, Carolin</dc:contributor>
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    <dc:creator>Rennenberg, Heinz</dc:creator>
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    <dc:contributor>Guo, Chanjuan</dc:contributor>
    <dc:contributor>Gasche, Rainer</dc:contributor>
    <dc:creator>Bimüller, Carolin</dc:creator>
    <dc:contributor>Polle, Andrea</dc:contributor>
    <dc:creator>Gasche, Rainer</dc:creator>
    <dc:creator>Zeller, Bernd</dc:creator>
    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2018-09-21T08:55:59Z</dc:date>
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    <dc:creator>Guo, Chanjuan</dc:creator>
    <dc:contributor>Rennenberg, Heinz</dc:contributor>
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    <dc:contributor>Kögel-Knabner, Ingrid</dc:contributor>
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    <dc:creator>Naumann, Pascale Sarah</dc:creator>
    <dc:creator>Dannenmann, Michael</dc:creator>
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    <dcterms:abstract xml:lang="eng">Aims:&lt;br /&gt;Our aims were to characterize the fate of leaf-litter-derived nitrogen in the plant-soil-microbe system of a temperate beech forest of Southern Germany and to identify its importance for N nutrition of beech seedlings.&lt;br /&gt;&lt;br /&gt;Methods:&lt;br /&gt;&lt;sup&gt;15&lt;/sup&gt;N-labelled leaf litter was traced in situ into abiotic and biotic N pools in mineral soil as well as into beech seedlings and mycorrhizal root tips over three growing seasons.&lt;br /&gt;&lt;br /&gt;Results:&lt;br /&gt;There was a rapid transfer of &lt;sup&gt;15&lt;/sup&gt;N into the mineral soil already 21 days after tracer application with soil microbial biomass initially representing the dominant litter-N sink. However, &lt;sup&gt;15&lt;/sup&gt;N recovery in non-extractable soil N pools strongly increased over time and subsequently became the dominant &lt;sup&gt;15&lt;/sup&gt;N sink. Recovery in plant biomass accounted for only 0.025 % of &lt;sup&gt;15&lt;/sup&gt;N excess after 876 days. After three growing seasons, &lt;sup&gt;15&lt;/sup&gt;N excess recovery was characterized by the following sequence: non-extractable soil N &gt;&gt; extractable soil N including microbial biomass &gt;&gt; plant biomass &gt; ectomycorrhizal root tips.&lt;br /&gt;&lt;br /&gt;Conclusions:&lt;br /&gt;After quick vertical dislocation and cycling through microbial N pools, there was a rapid stabilization of leaf-litter-derived N in non-extractable N pools of the mineral soil. Very low &lt;sup&gt;15&lt;/sup&gt;N recovery in beech seedlings suggests a high importance of other N sources such as root litter for N nutrition of beech understorey.</dcterms:abstract>
    <dc:contributor>Dannenmann, Michael</dc:contributor>
    <dc:creator>Polle, Andrea</dc:creator>
    <dc:contributor>Pena, Rodica</dc:contributor>
    <dcterms:issued>2013-08</dcterms:issued>
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