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| DOI | 10.3389/fpls.2024.1413896 |
| Woody encroachment induced earlier and extended growing season in boreal wetland ecosystems | |
| 发表日期 | 2024 |
| ISSN | 1664-462X |
| 起始页码 | 15 |
| 卷号 | 15 |
| 英文摘要 | Woody plant encroachment (WPE), a widespread ecological phenomenon globally, has significant impacts on ecosystem structure and functions. However, little is known about how WPE affects phenology in wetland ecosystems of middle and high latitudes. Here, we investigated the regional-scale effects of WPE on the start (SOS), peak (POS), end (EOS), and length (GSL) of the growing season in boreal wetland ecosystems, and their underlying mechanisms, using remote sensing dataset during 2001-2016. Our results showed that WPE advanced the annual SOS and POS, while delaying EOS and extending GSL in boreal wetlands with these impacts increasing over time. When boreal wetland ecosystems were fully encroached by woody plants, the SOS and POS were advanced by 12.17 and 5.65 days, respectively, the EOS was postponed by 2.74 days, and the GSL was extended by 15.21 days. We also found that the impacts of WPE on wetland SOS were predominantly attributed to the increased degree of WPE (alpha), while climatic factors played a more significant role in controlling the POS and EOS responses to WPE. Climate change not only directly influenced phenological responses of wetlands to WPE but also exerted indirect effects by regulating soil moisture and alpha. Winter precipitation and spring temperature primarily determined the effects of WPE on SOS, while its impacts on POS were mainly controlled by winter precipitation, summer temperature, and precipitation, and the effects on EOS were mainly determined by winter precipitation, summer temperature, and autumn temperature. Our findings offer new insights into the understanding of the interaction between WPE and wetland ecosystems, emphasizing the significance of considering WPE effects to ensure accurate assessments of phenology changes. |
| 英文关键词 | northern ecosystem; climate change; phenology; vegetation greenness; woody encroachment |
| 语种 | 英语 |
| WOS研究方向 | Plant Sciences |
| WOS类目 | Plant Sciences |
| WOS记录号 | WOS:001233856300001 |
| 来源期刊 | FRONTIERS IN PLANT SCIENCE
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/289276 |
| 作者单位 | Chinese Academy of Sciences; Northeast Institute of Geography & Agroecology, CAS; Chinese Academy of Sciences; University of Chinese Academy of Sciences, CAS; Chinese Academy of Sciences; Shenyang Institute of Applied Ecology, CAS; Northeast Normal University - China |
| 推荐引用方式 GB/T 7714 | . Woody encroachment induced earlier and extended growing season in boreal wetland ecosystems[J],2024,15. |
| APA | (2024).Woody encroachment induced earlier and extended growing season in boreal wetland ecosystems.FRONTIERS IN PLANT SCIENCE,15. |
| MLA | "Woody encroachment induced earlier and extended growing season in boreal wetland ecosystems".FRONTIERS IN PLANT SCIENCE 15(2024). |
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