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1. Strong photosynthetic acclimation and enhanced water‐use efficiency in grassland functional groups persist over 21 years of CO2 enrichment, independent of nitrogen supply

Author:
Pastore, Melissa A.; Lee, Tali D.; Hobbie, Sarah E.; Reich, Peter B.
Source:
Global change biology 2019 v.25 no.9 pp. 3031-3044
ISSN:
1354-1013
Subject:
perennials,   etc   ; C3 plants; C4 plants; acclimation; carbon dioxide; drought; forbs; free air carbon dioxide enrichment; gas exchange; grasses; grasslands; herbaceous plants; leaves; legumes; models; nitrogen; photosynthesis; prediction; stomatal conductance; uncertainty; water use efficiency; Minnesota;     Show all 22 Subjects
Abstract:
... Uncertainty about long‐term leaf‐level responses to atmospheric CO₂ rise is a major knowledge gap that exists because of limited empirical data. Thus, it remains unclear how responses of leaf gas exchange to elevated CO₂ (eCO₂) vary among plant species and functional groups, or across different levels of nutrient supply, and whether they persist over time for long‐lived perennials. Here, we report ...
DOI:
10.1111/gcb.14714