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- W3204132156 abstract "Abstract Background: Plant species have developed their individual leaf stoichiometries to adapt to changes in the environment. Changes in plant leaf stoichiometry with elevation are largely undocumented, but could provide information critical to protecting or enhancing a species’ growth and development and manage the ecosystem housing it. We investigate the leaf stoichiometry of Potentilla fruticosa L . along with different elevations in China’s Qilian mountains (Northeast Qinghai-Tibetan Plateau). This study aims to reveal how elevations effect of the leaf stoichiometry of Potentilla fruticosa L. along with various soil properties in China’s Qilian mountains . Results: In our study, we selected seven elevations 2,400 m, 2,600 m, 2,800 m, 3,000 m, 3,200 m, 3,500 m, and 3,800 m elevation. We sampled leaves at top and middle of P. fruticosa from each of seven elevations. Maximum and minimum leaf carbon (C) concentrations ([C] leaf ) of 523.59 g kg -1 and 402.56 g kg -1 were measured at 2,600 m and 3,500 m, respectively. Showing a generally increasing trend with elevation, leaf nitrogen (N) concentration ([N] leaf ) peaked at 3,500 m (27.33 g kg -1 ). Leaf phosphorus (P) concentration ([P] leaf ) varied slightly over elevations of 2,400 m to 3,200 m, then dropped to a minimum (0.60 g kg -1 ) at 3800 m. While [C] leaf :[N] leaf , [C] leaf :[P] leaf and [N] leaf :[P] leaf varied little between 2,400 m and 3,000 m, at higher elevations they fluctuated somewhat, the latter two showing a decrease at 3,200 m followed by an increase at higher elevations. The soil organic C, pH, and soil total P were the main factors influencing P. fruticosa leaf stoichiometry. The limiting nutrients were P. Conclusions: We highlight the dependency of leaf stoichiometry on slope aspect and elevation. As P. fruticosa is a major alpine shrub in this region and plays an important role in maintaining ecological functions and services on the Qinghai-Tibetan Plateau, measures should be adopted to improve P. fruticosa growth by preventing P loss, especially at higher elevations where significant P losses occur due to high precipitation and sparse vegetation." @default.
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- W3204132156 date "2021-04-13" @default.
- W3204132156 modified "2023-10-16" @default.
- W3204132156 title "Leaf Stoichiometry of Potentilla Fruticosa Across Elevations Ranging from 2400 m to 3800 m in China’s Qilian Mountains (Northeast Qinghai-Tibetan Plateau)" @default.
- W3204132156 doi "https://doi.org/10.21203/rs.3.rs-409649/v1" @default.
- W3204132156 hasPublicationYear "2021" @default.
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