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| DOI | 10.1002/ecs2.4802 |
| Substantial variation of the two-dimensional spectrum of senescent leaf in subalpine forest along elevational gradients | |
| 发表日期 | 2024 |
| ISSN | 2150-8925 |
| 起始页码 | 15 |
| 结束页码 | 5 |
| 卷号 | 15期号:5 |
| 英文摘要 | Leaf senescence have shed light on its contribution to the recovery of nutrients and signaling of the transition from the active to the dormant stage in winter. The manner by which climatic and edaphic factors and plant phylogeny affect the senescent leaf economics spectrum (more mineral elements included) of different growth habits along elevational gradients in mountain ecosystems is highly uncertain. To fill this knowledge gap, we examined 15 representative subalpine forest species' senescent leaf functional traits (i.e., specific leaf area [SLA], leaf dry matter content [DMC], pH, carbon [C], nitrogen [N], phosphorus [P], potassium [K], calcium [Ca], sodium [Na], magnesium [Mg], manganese [Mn], aluminum [Al], iron [Fe], C:N, N:P, and C:P ratios) to determine the senescent leaf economics spectrum along elevational gradients in the Hengduan Mountains, China. Our results demonstrate that all the functional traits of senescent leaf showed strong correlations with one another, and K was observed as the hub for the leaf economics spectrum. Irrespective of the difference among growth habits (arbor vs. shrub), leaf habits (deciduous vs. evergreen), and leaf types (broad vs. needle), the variations in the two-dimensional spectrum of the senescent leaf trait exhibited uniformly positive associations with elevation, primarily attributed to climatic drivers. However, the modulation of the senescent leaf economics spectrum by soil properties and plant phylogeny was surprisingly modest. Collectively, our results revealed that the resource trade-off of senescent leaf showed a trend from acquisition to conservation along elevational gradients, which could broaden the plant economics spectrum to include senescent leaf. |
| 英文关键词 | biogeochemical cycles; climate; leaf traits; plant-climate interaction; senescent leaf economics spectrum |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology |
| WOS类目 | Ecology |
| WOS记录号 | WOS:001221917600001 |
| 来源期刊 | ECOSPHERE
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/299180 |
| 作者单位 | Yunnan University |
| 推荐引用方式 GB/T 7714 | . Substantial variation of the two-dimensional spectrum of senescent leaf in subalpine forest along elevational gradients[J],2024,15(5). |
| APA | (2024).Substantial variation of the two-dimensional spectrum of senescent leaf in subalpine forest along elevational gradients.ECOSPHERE,15(5). |
| MLA | "Substantial variation of the two-dimensional spectrum of senescent leaf in subalpine forest along elevational gradients".ECOSPHERE 15.5(2024). |
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