Linking water use efficiency with water use strategy from leaves to communities
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Abstract
Limitations and utility of three measures of water use characteristics were evaluated: water use efficiency (WUE), intrinsic WUE and marginal water cost of carbon gain (aE/aA) estimated, respectively, as ratios of assimilation (A) to transpiration (E), of A to stomatal conductance (gs) and of sensitivities of E and A with variation in gs. Only the measure aE/aA estimates water use strategy in a way that integrates carbon gain relative to water use under varying environmental conditions across scales from leaves to communities. This insight provides updated and simplified ways of estimating aE/aA and adds depth to understanding ways that plants balance water expenditure against carbon gain, uniquely providing a mechanistic means of predicting water use characteristics under changing environmental scenarios.
Publication type | Article |
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Publication Subtype | Journal Article |
Title | Linking water use efficiency with water use strategy from leaves to communities |
Series title | New Phytologist |
DOI | 10.1111/nph.19308 |
Volume | 240 |
Issue | 5 |
Year Published | 2023 |
Language | English |
Publisher | Wiley |
Contributing office(s) | Wetland and Aquatic Research Center |
Description | 8 p. |
First page | 1735 |
Last page | 1742 |
Google Analytic Metrics | Metrics page |