气候变化领域集成服务门户(CCPortal): Upland forest retreat lags behind sea-level rise in the mid-Atlantic coast

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DOI	10.1111/gcb.17081
	Upland forest retreat lags behind sea-level rise in the mid-Atlantic coast
	Chen, Yaping; Kirwan, Matthew L.
发表日期	2024
ISSN	1354-1013
EISSN	1365-2486
起始页码	30
结束页码	1
卷号	30 期号:1
英文摘要	Ghost forests consisting of dead trees adjacent to marshes are striking indicators of climate change, and marsh migration into retreating coastal forests is a primary mechanism for marsh survival in the face of global sea-level rise. Models of coastal transgression typically assume inundation of a static topography and instantaneous conversion of forest to marsh with rising seas. In contrast, here we use four decades of satellite observations to show that many low-elevation forests along the US mid-Atlantic coast have survived despite undergoing relative sea-level rise rates (RSLRR) that are among the fastest on Earth. Lateral forest retreat rates were strongly mediated by topography and seawater salinity, but not directly explained by spatial variability in RSLRR, climate, or disturbance. The elevation of coastal tree lines shifted upslope at rates correlated with, but far less than, contemporary RSLRR. Together, these findings suggest a multi-decadal lag between RSLRR and land conversion that implies coastal ecosystem resistance. Predictions based on instantaneous conversion of uplands to wetlands may therefore overestimate future land conversion in ways that challenge the timing of greenhouse gas fluxes and marsh creation, but also imply that the full effects of historical sea-level rise have yet to be realized.
英文关键词	climate change; coastal wetland; forest mortality; lag effect; marsh migration; saltwater intrusion; sea-level rise
语种	英语
WOS研究方向	Biodiversity & Conservation ; Environmental Sciences & Ecology
WOS类目	Biodiversity Conservation ; Ecology ; Environmental Sciences
WOS记录号	WOS:001151213000095
来源期刊	GLOBAL CHANGE BIOLOGY
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/309244
作者单位	William & Mary; Virginia Institute of Marine Science
推荐引用方式 GB/T 7714	Chen, Yaping,Kirwan, Matthew L.. Upland forest retreat lags behind sea-level rise in the mid-Atlantic coast[J],2024,30(1).
APA	Chen, Yaping,&Kirwan, Matthew L..(2024).Upland forest retreat lags behind sea-level rise in the mid-Atlantic coast.GLOBAL CHANGE BIOLOGY,30(1).
MLA	Chen, Yaping,et al."Upland forest retreat lags behind sea-level rise in the mid-Atlantic coast".GLOBAL CHANGE BIOLOGY 30.1(2024).