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Nitrogen nutrition of native and introduced forest tree species in N-limited ecosystems of the Qinling Mountains, China

Nitrogen nutrition of native and introduced forest tree species in N-limited ecosystems of the Qinling Mountains, China

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HU, Bin, Minghua ZHOU, Silvija BILELA, Judy SIMON, Michael DANNENMANN, Xiping LIU, Saleh ALFARRAJ, Lin HOU, Hui CHEN, Shuoxin ZHANG, Klaus BUTTERBACH-BAHL, Heinz RENNENBERG, 2017. Nitrogen nutrition of native and introduced forest tree species in N-limited ecosystems of the Qinling Mountains, China. In: Trees. 31(4), pp. 1189-1202. ISSN 0931-1890. eISSN 1432-2285. Available under: doi: 10.1007/s00468-017-1537-3

@article{Hu2017Nitro-40511, title={Nitrogen nutrition of native and introduced forest tree species in N-limited ecosystems of the Qinling Mountains, China}, year={2017}, doi={10.1007/s00468-017-1537-3}, number={4}, volume={31}, issn={0931-1890}, journal={Trees}, pages={1189--1202}, author={Hu, Bin and Zhou, Minghua and Bilela, Silvija and Simon, Judy and Dannenmann, Michael and Liu, Xiping and Alfarraj, Saleh and Hou, Lin and Chen, Hui and Zhang, Shuoxin and Butterbach-Bahl, Klaus and Rennenberg, Heinz} }

<rdf:RDF xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dspace="http://digital-repositories.org/ontologies/dspace/0.1.0#" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:void="http://rdfs.org/ns/void#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/40511"> <dc:contributor>Liu, Xiping</dc:contributor> <dc:creator>Zhou, Minghua</dc:creator> <dc:contributor>Zhou, Minghua</dc:contributor> <dc:language>eng</dc:language> <dc:contributor>Butterbach-Bahl, Klaus</dc:contributor> <dspace:isPartOfCollection rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/28"/> <dc:contributor>Hou, Lin</dc:contributor> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2017-11-08T10:09:40Z</dc:date> <dc:contributor>Simon, Judy</dc:contributor> <dc:creator>Butterbach-Bahl, Klaus</dc:creator> <bibo:uri rdf:resource="https://kops.uni-konstanz.de/handle/123456789/40511"/> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <dcterms:title>Nitrogen nutrition of native and introduced forest tree species in N-limited ecosystems of the Qinling Mountains, China</dcterms:title> <dc:creator>Hou, Lin</dc:creator> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> <dc:creator>Bilela, Silvija</dc:creator> <dc:creator>Dannenmann, Michael</dc:creator> <dc:creator>Rennenberg, Heinz</dc:creator> <dc:creator>Hu, Bin</dc:creator> <dcterms:abstract xml:lang="eng">Nitrogen availability and uptake capacity are key factors influencing forest growth and development in N-limited terrestrial ecosystems. With the aim to determine how species and forest management affect tree N nutrition, we conducted root N uptake experiments as well as soil N analyses at three forest stands with different native and introduced tree species (i.e. Larix principis-rupprechtii Mayr., Quercus aliena var. acutiserrata Maxim. ex Wenz. and Picea wilsonii Mast.) and two management approaches (i.e. monoculture versus mixed stand) in the Qinling Mountains of China. Across the native and introduced species studied, in general, investigated trees take up both, organic and inorganic N compounds, but prefer organic N (Gln- and Arg-) over inorganic NH4+–N. The introduced conifer species (L. principis-ruprechtii) showed higher root N acquisition capacities compared to a native conifer species (P. wilsonii) under N-limited conditions. Moreover, the mixed forest stand with L. principis-ruprechtii and Q. alinea var. acutesserata accumulated more nitrogen in soil pools and showed improved C and N retention capability through the whole soil profile as compared to the monocultures of P. wilsonii or L. principis-ruprechtii. Similar acquisition strategies were observed for specific N sources (i.e. organic versus inorganic) across all investigated tree species. Still the introduced species Larix exhibited a superior root N acquisition capacity and, therefore, may be a good candidate for afforestation programs in the studied region. The present results underpin the significance of forest management practices that achieve a mixed species structure with broadleaved tree species such as Quercus for restoration of soil C and N pools in order to stabilize forest ecosystems and to achieve sustainable forest development.</dcterms:abstract> <dcterms:issued>2017</dcterms:issued> <dc:contributor>Hu, Bin</dc:contributor> <dc:creator>Simon, Judy</dc:creator> <dc:contributor>Rennenberg, Heinz</dc:contributor> <dc:creator>Zhang, Shuoxin</dc:creator> <dcterms:isPartOf rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/28"/> <dc:contributor>Dannenmann, Michael</dc:contributor> <dc:creator>Liu, Xiping</dc:creator> <dc:contributor>Alfarraj, Saleh</dc:contributor> <dc:contributor>Bilela, Silvija</dc:contributor> <dc:creator>Alfarraj, Saleh</dc:creator> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2017-11-08T10:09:40Z</dcterms:available> <dc:contributor>Chen, Hui</dc:contributor> <dc:contributor>Zhang, Shuoxin</dc:contributor> <dc:creator>Chen, Hui</dc:creator> </rdf:Description> </rdf:RDF>

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