气候变化领域集成服务门户(CCPortal): Assessing the global vulnerability of dryland birds to heatwaves

CCPortal

DOI	10.1111/gcb.17136
	Assessing the global vulnerability of dryland birds to heatwaves
	Ding, Chenchen; Newbold, Tim; Ameca, Eric I.
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	As global average surface temperature increases, extreme climatic events such as heatwaves are becoming more frequent and intense, which can drive biodiversity responses such as rapid population declines and/or shifts in species distributions and even local extirpations. However, the impacts of extreme climatic events are largely ignored in conservation plans. Birds are known to be susceptible to heatwaves, especially in dryland ecosystems. Understanding which birds are most vulnerable to heatwaves, and where these birds occur, can offer a scientific basis for adaptive management and conservation. We assessed the relative vulnerability of 1196 dryland bird species to heatwaves using a trait-based approach. Among them, 888 bird species are estimated to be vulnerable to heatwaves (170 highly vulnerable, eight extremely vulnerable), of which +/- 91% are currently considered non-threatened by the IUCN, which suggests that many species will likely become newly threatened with intensifying climate change. We identified the top three hotspot areas of heatwave-vulnerable species in Australia (208 species), Southern Africa (125 species) and Eastern Africa (99 species). Populations of vulnerable species recorded in the Living Planet Database were found to be declining significantly faster than those of non-vulnerable species (p = .048) after heatwaves occurred. In contrast, no significant difference in population trends between vulnerable and non-vulnerable species was detected when no heatwave occurred (p = .34). This suggests that our vulnerability framework correctly identified vulnerable species and that heatwaves are already impacting the population trends of these species. Our findings will help prioritize heatwave-vulnerable birds in dryland ecosystems in risk mitigation and adaptation management as the frequency of heatwaves accelerates in the coming decades.
英文关键词	birds; climate change; drylands; extreme climatic events; heatwaves; vulnerability assessment
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:001146730200001
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/289077
作者单位	Beijing Normal University; University of London; University College London; University of London; University College London
推荐引用方式 GB/T 7714	Ding, Chenchen,Newbold, Tim,Ameca, Eric I.. Assessing the global vulnerability of dryland birds to heatwaves[J],2024,30(1).
APA	Ding, Chenchen,Newbold, Tim,&Ameca, Eric I..(2024).Assessing the global vulnerability of dryland birds to heatwaves.GLOBAL CHANGE BIOLOGY,30(1).
MLA	Ding, Chenchen,et al."Assessing the global vulnerability of dryland birds to heatwaves".GLOBAL CHANGE BIOLOGY 30.1(2024).