Contrasting diurnal impacts of vapor pressure deficit on water use efficiency in two semiarid steppe ecosystems

Abstract Background Water use efficiency (WUE), a pivotal metric of carbon–water coupling strength in terrestrial ecosystems, is strongly regulated by vapor pressure deficit (VPD), yet its diurnal dynamics under contrasting water availability remain unclear. Methods Using half-hourly eddy-covariance...

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Autors principals:	Haoran Xie, Shichao Tian, Fei Li, Jiali Sun, Xinmiao Hu, Haihua Bai, Changliang Shao
Format:	Artigo
Idioma:	Inglês
Publicat:	SpringerOpen 2025-08-01
Col·lecció:	Ecological Processes
Matèries:	Diurnal carbon–water dynamics Eddy covariance Meadow steppe Typical steppe Water use efficiency Vapor pressure deficit
Accés en línia:	https://doi.org/10.1186/s13717-025-00636-7
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