期刊
PLANT ECOLOGY
卷 210, 期 2, 页码 253-261出版社
SPRINGER
DOI: 10.1007/s11258-010-9753-6
关键词
Adaptive radiation; CSR theory; CSR triangle; Functional traits; Grime; Plant functional type; Plant strategies; Trade-off
资金
- Native Flora Centre of the Lombardy Region (CFA)
- Italian government
- CFA
- Parco delle Orobie Bergamasche
The general applicability of CSR classification (a methodology for applying CSR theory) has not been tested outside Britain. We hypothesised that principal axes of trait variation for plant species native to southern European continental, sub-alpine and alpine bioclimatic zones correlate with CSR classification scores. Functional traits were quantified in situ for 506 species of 57 families. Multivariate analysis revealed three main modes in which plants invested biomass: (1) architectural extension of individual ramets (tall canopies, large leaves), (2) durable tissues (high leaf dry matter contents and carbon contents, low specific leaf areas) or (3) regenerative development (early, extensive flowering with delicate, nitrogen-rich leaves). These were highly significantly correlated with the extent of competitive ability (C), stress-tolerance (S) and ruderalism (R), respectively, determined by CSR classification. Despite being calibrated using only 43 British species, CSR classification is consistent with trait variation in a phylogenetically broader sample of species native to a wider range of bioclimatic zones.
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