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Shifts in nitrogen source reliance along an aridity gradient coordinate with leaf traits and biomass in a Tibetan leguminous shrub
G
张
L
Y
P
X
J
F
E
DOI:10.1016/j.pld.2026.06.008.png)
Abstract
En 中文
• Aridity increases reliance on symbiotic N2 fixation in a leguminous shrub. • Higher leaf N drives intrinsic water use efficiency with increasing aridity. • Leaf functional traits mediate shrub biomass responses to increasing aridity.
Keywords:
Water use efficiency
Leaf stable isotope
Sophora moorcroftiana
Alpine shrub
Trait-based ecology
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