气候变化领域集成服务门户(CCPortal): Effects of changing riparian topography on the decline of ecological indicators along the drawdown zones of long rivers in China

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DOI	10.3389/ffgc.2024.1293330
	Effects of changing riparian topography on the decline of ecological indicators along the drawdown zones of long rivers in China
	Arif, Muhammad; Petrosillo, Irene; Li, Changxiao
发表日期	2024
EISSN	2624-893X
起始页码	7
卷号	7
英文摘要	Riparian topographical features can drive a suite of ecological indicators (EIs) that shape the river ecosystem. The mechanisms that EIs reflect provide several ecosystem services. We know little about the responses of EIs (indicators of plant cover, regeneration, exotics, habitat, erosion, and stressors) to the changing stream-channel width, riparian width, and elevation of the lengthy drawdown zones (upstream, midstream, and downstream) of long rivers. We have discovered that changing topographical characteristics affect riparian buffer areas differently by using a rapid field-based method with 297 transects in inundated regions along the Yangtze River and other 36 linked tributaries in China. Changing stream-channel widths was most effective on downstream EIs and the least effective at midstream. The exotic parameters were the most affected (with a range of -0.36 < r < 0.401) by stream-channel widths, as determined using Pearson correlation (p < 0.05). In contrast, the changing riparian width had the uppermost impact on the upstream EIs and the lowermost impact downstream; riparian width had the most significant impact on habitat parameters (with r <= 0.787). The elevation followed the riparian width pattern and was negatively associated with habitat and exotics (r <= -0.645 and r <= -0.594) and positively correlated with regeneration (r <= 0.569). These results reaffirm the imperative need for studies on regionally dependent riparian areas maintained under the same management strategies regardless of their topographical features. Future policies should be formulated to enhance ecosystem service provision, promoting the sustainable use of extensive river ecosystems while considering EIs. Additionally, these future policies should acknowledge drawdown zone factors within the same river network. Furthermore, additional measures are imperative to conserve topographical features and prevent further destruction.
英文关键词	riparian forests; Yangtze River; three gorges dam; river ecosystem; streamchannel width; riparian width; elevation
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Forestry
WOS类目	Ecology ; Forestry
WOS记录号	WOS:001155673400001
来源期刊	FRONTIERS IN FORESTS AND GLOBAL CHANGE
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/302800
作者单位	Southwest University - China; Southwest University - China; University of Salento
推荐引用方式 GB/T 7714	Arif, Muhammad,Petrosillo, Irene,Li, Changxiao. Effects of changing riparian topography on the decline of ecological indicators along the drawdown zones of long rivers in China[J],2024,7.
APA	Arif, Muhammad,Petrosillo, Irene,&Li, Changxiao.(2024).Effects of changing riparian topography on the decline of ecological indicators along the drawdown zones of long rivers in China.FRONTIERS IN FORESTS AND GLOBAL CHANGE,7.
MLA	Arif, Muhammad,et al."Effects of changing riparian topography on the decline of ecological indicators along the drawdown zones of long rivers in China".FRONTIERS IN FORESTS AND GLOBAL CHANGE 7(2024).