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Shifts in nitrogen source reliance along an aridity gradient coordinate with leaf traits and biomass in a Tibetan leguminous shrub

delete2026-06-26
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G
Guang-Shuai Cui
张林 (Lin Zhang) *
L
Liu Yang
Y
Ying Guo
P
Pengfei Ma
X
Xue-Mei Wen
J
Jian Sun
F
Francisco I. Pugnaire
E
Er-Yuan Liang
DOI:10.1016/j.pld.2026.06.008delete
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Abstract

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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Institute of Plateau Biology Research
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peking university
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Consejo Superior de Investigaciones Científicas
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chinese academy of sciences
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