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.
Suggested Citation
Liang, J., Krauss, K., Finnigan, J., Stuart-Williams, H., Farquhar, G.D., and Ball, M.C., 2023, Linking water use efficiency with water use strategy from leaves to communities: New Phytologist, v. 240, no. 5, p. 1735-1742, https://doi.org/10.1111/nph.19308.
| Publication type | Article |
|---|---|
| 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 |
| Publication Date | October 12, 2023 |
| Year Published | 2023 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Wetland and Aquatic Research Center |
| Description | 8 p. |
| First page | 1735 |
| Last page | 1742 |