Negative legacy effects of rainfall and nitrogen amendment on leaf lifespan of steppe species
文献类型：期刊论文
| 作者 | Yu, Hong-Wei; He, Wei-Ming |
| 刊名 | JOURNAL OF PLANT ECOLOGY
 |
| 出版日期 | 2017 |
| 卷号 | 10期号:5页码:831-838 |
| 关键词 | leaf traits nitrogen deposition rainfall increase soil legacy effects steppe dominants structural equation models |
| ISSN号 | 1752-9921 |
| DOI | 10.1002/ecm.1262 |
| 文献子类 | Article |
| 英文摘要 | Aims Studying legacy effects (i.e. the indirect effect that persists for a period after casual factors cease) can provide novel insights into the role of ecological drivers. Leaf lifespan is among the key traits with multi-level functions. It is clear about the direct effects of water and nitrogen (N) amendment on leaf lifespan, but it remains unclear about their legacy effects on leaf lifespan and the associated mechanisms. Methods We performed a five-year field experiment with supplemental water and N, and quantified the legacy effects of field water and N addition on the leaf lifespan, length and growth rate of four dominant species, Agropyron cristatum, Cleistogenes squarrosa, Leymus chinensis and Stipa grandis in a temperate steppe. Important Findings Across all the species, the legacies of water and N addition increased their leaf length and growth rate directly but decreased their leaf lifespan through direct and indirect pathways. Leaf lifespan was positively linked with leaf length but negatively associated to leaf growth rate. The legacy effect of water addition on leaf lifespan was greater than that of N addition. Field N addition induced soil acidification and eutrophication, as well as altered soil microbes, but only eutrophication had negative legacy effects on leaf lifespan. These findings provide substantial evidence that rainfall and N amendment have negative legacy effects on leaf lifespan, and also highlight that multiple mechanisms or pathways determine legacy effects. Additionally, our results suggest that field water and N manipulations may influence the other leaf traits and functions. |
| 学科主题 | Environmental Sciences & Ecology |
| 出版地 | OXFORD |
| 电子版国际标准刊号 | 1752-993X |
| WOS关键词 | MICROBIAL COMMUNITIES ; CONSTRUCTION COST ; PLANT DIVERSITY ; WATER ; LONGEVITY ; DEPOSITION ; RESPONSES ; ACIDIFICATION ; AVAILABILITY ; CONSEQUENCES |
| 语种 | 英语 |
| WOS记录号 | WOS:000406722400006 |
| 出版者 | OXFORD UNIV PRESS |
| 资助机构 | Ministry of Science and Technology of ChinaMinistry of Science and Technology, China [2015BAC02B05] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31570538] |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/22239]  |
| 专题 | 植被与环境变化国家重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Fragrant Hills, Beijing 100093, Peoples R China 2.[Yu, Hong-Wei |
| 推荐引用方式 GB/T 7714 | Yu, Hong-Wei,He, Wei-Ming. Negative legacy effects of rainfall and nitrogen amendment on leaf lifespan of steppe species[J]. JOURNAL OF PLANT ECOLOGY,2017,10(5):831-838. |
| APA | Yu, Hong-Wei,&He, Wei-Ming.(2017).Negative legacy effects of rainfall and nitrogen amendment on leaf lifespan of steppe species.JOURNAL OF PLANT ECOLOGY,10(5),831-838. |
| MLA | Yu, Hong-Wei,et al."Negative legacy effects of rainfall and nitrogen amendment on leaf lifespan of steppe species".JOURNAL OF PLANT ECOLOGY 10.5(2017):831-838. |
入库方式： OAI收割
来源：植物研究所
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