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Secreted enzymatic activities of ectomycorrhizal fungi as a case study of functional diversity and functional redundancy
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 1006555
Author(s) Rineau, F.; Courty, Pierre-Emmanuel
Author(s) at UniBasel Courty, Pierre-Emmanuel
Year 2011
Title Secreted enzymatic activities of ectomycorrhizal fungi as a case study of functional diversity and functional redundancy
Journal Annals of Forest Science
Volume 68
Number 1
Pages / Article-Number 69-80
Abstract Introduction Many studies deal with taxonomic diversity (TD) or estimation of functional traits of ectomycorrhizal communities. However, to our knowledge, none of them has ever tried to calculate the functional diversity (FD) of those communities, which is of critical importance for the diversity and reliability of nutrient supply to the tree. Objectives Here, we propose to evaluate the functional diversity of ECM communities in their potential ability to mobilise nutrients from organic matter, in two different forest stands. Results Results show that in both forest stands: TD is strongly correlated with FD. ECM species are functionally redundant within the communities for their abilities to secrete organic matter degrading enzymes. The functional traits (enzymatic activities) of the studied ectomycorrhizal communities are not related within genera, nor within families or phylogenetically related groups of taxa. Some species show a wide phenotypic plasticity for their enzymatic profiles. Conclusion This study provides the first evidence of functional redundancy in ectomycorrhizal communities. More studies are now needed to evaluate the robustness of these results at wider ecosystem scales and using other relevant functional traits.
Publisher Springer
ISSN/ISBN 1286-4560 ; 1297-966X
edoc-URL http://edoc.unibas.ch/46932/
Full Text on edoc No
Digital Object Identifier DOI 10.1007/s13595-010-0008-4
ISI-Number 000290447600008
Document type (ISI) Article
 
   

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