Journal
GRASS AND FORAGE SCIENCE
Volume 67, Issue 3, Pages 305-319Publisher
WILEY
DOI: 10.1111/j.1365-2494.2012.00867.x
Keywords
plant functional trait; soil fertility; competition; ecological niche; scale dependency; conservative vs; exploitative species; plasticity
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Funding
- German Research Foundation (DFG) through Collaborative Research Centre 1501
- INRA (UREP, Clermont Ferrand, France)
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The traditional way of interpreting environmental and management effects on floristic composition based on phyto-sociological classification is increasingly accompanied by a trait-based approach. Plant functional traits (PFT) enable us to link morphological, physiological and phenological plant properties to their functions. Recent research on PFT has significantly improved our understanding on competitive ability of species, resulting species abundance and ecosystem functioning, through investigations of ecological strategies, community assembly theory and functional diversity. In this paper, we review the wide applicability of the trait approach in grassland science. The paper summarizes the power of PFT, the variation along soil nutrient gradients, and gives a case-by-case conceptual generalization of mechanisms of interacting traits at plant and canopy scale. We highlight the main trade-offs among traits and trait syndromes that are prospects for plant response to nutrient gradient and consequently for ecosystem processes. We also discuss the role of intraspecific variability in PFT for multiple ecological issues. Links between functional ecology and grassland science are also identified in order to establish research opportunities. For managed grasslands, we believe that progress in these links will allow us to address broad and timely questions regarding community dynamics driven by resource availability and the consequent multifunctionality of these grasslands.
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