Title
Foliar elemental composition of European forest tree species associated with evolutionary traits and present environmental and competitive conditions
Author
Faculty/Department
Faculty of Sciences. Biology
Publication type
article
Publication
Oxford ,
Subject
Economics
Chemistry
Biology
Source (journal)
Global ecology and biogeography. - Oxford
Global Ecology and Biogeography. - Oxford, UK, 1999, currens
Volume/pages
24(2015) :2 , p. 240-255
ISSN
1466-822X
ISI
000347458100011
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Aim: Plant elemental composition and stoichiometry are crucial for plant structure and function. We studied to what extent elemental stoichiometry in plants might be strongly related to environmental drivers and competition from coexisting species. LocationEurope. MethodsWe analysed foliar N, P, K, Ca and Mg concentrations and their ratios among 50 species of European forest trees sampled in 5284 plots across Europe and their relationships with phylogeny, forest type, current climate and N deposition. ResultsPhylogeny is strongly related to overall foliar elemental composition in European tree species. Species identity explained 56.7% of the overall foliar elemental composition and stoichiometry. Forest type and current climatic conditions also partially explained the differences in foliar elemental composition among species. In the same genus co-occurring species had overall higher differences in foliar elemental composition and stoichiometry than the non-co-occurring species. Main conclusionsThe different foliar elemental compositions among species are related to phylogenetic distances, but they are also related to current climatic conditions, forest types, drivers of global change such as atmospheric N deposition, and to differences among co-occurring species as a probable consequence of niche specialization to reduce direct competition for the same resources. Different species have their own fixed' foliar elemental compositions but retain some degree of plasticity to the current climatic and competitive conditions. A wider set of elements beyond N and P better represent the biogeochemical niche and are highly sensitive to plant function. Foliar elemental composition can thus be useful for representing important aspects of plant species niches.
E-info
https://repository.uantwerpen.be/docman/iruaauth/d02590/50173f4c91d.pdf
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Full text (open access)
https://repository.uantwerpen.be/docman/irua/d3b60d/123761_2016_03_01.pdf
E-info
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