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“Least‐cost theory” posits that C 3 plants should balance rates of photosynthetic water loss and carboxylation in relation to the relative acquisition and maintenance costs of resources required for these activities. Here we investigated the dependency of photosynthetic traits on climate and soil properties using a new Australia‐wide trait dataset spanning 528 species from 67 sites. We tested the hypotheses that plants on rela...
TRY plant trait database – enhanced coverage and open accessNARA Subscribed
Plant traits—the morphological, anatomical, physiological, biochemical and phenological characteristics of plants—determine how plants respond to environmental factors, affect other trophic levels, and influence ecosystem properties and their benefits and detriments to people. Plant trait data thus represent the basis for a vast area of research spanning from evolutionary biology, community and functional ecology, to biodivers...
Balancing the costs of carbon gain and water transport: testing a new theoretical framework for plant functional ecologyNARA Subscribed
A novel framework is presented for the analysis of ecophysiological field measurements and modelling. The hypothesis ‘ leaves minimise the summed unit costs of transpiration and carboxylation ’ predicts leaf‐internal/ambient CO 2 ratios ( c i /c a ) and slopes of maximum carboxylation rate ( V cmax ) or leaf nitrogen ( N area ) vs . stomatal conductance. Analysis of data on woody species from contrasting climates (cold‐hot, dr...
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