气候变化领域集成服务门户(CCPortal): Climate change-induced shifts in survival and size of the worlds' northernmost oviparous snake: A 68-year study

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DOI	10.1371/journal.pone.0300363
	Climate change-induced shifts in survival and size of the worlds' northernmost oviparous snake: A 68-year study
	Elmberg, Johan; Palmheden, Ludvig; Edelstam, Carl; Hagman, Mattias; Kaervemo, Simon; Joger, Ulrich; Joger, Ulrich; Joger, Ulrich
发表日期	2024
ISSN	1932-6203
起始页码	19
结束页码	3
卷号	19 期号:3
英文摘要	Because of their dependence on ambient temperature ectothermic animals can serve as sentinels of conservation problems related to global warming. Reptiles in temperate areas are especially well suited to study such effects, as their annual and daily activity patterns directly depend on ambient temperature. This study is based on annual data spanning 68 years from a fringe population of Grass Snakes (Natrix natrix), which is the world's northernmost oviparous (egg-laying) reptile, and known to be constrained by temperature for reproduction, morphology, and behavior. Mark-recapture analyses showed that survival probability was generally higher in males than in females, and that it increased with body length. Body condition (scaled mass index) and body length increased over time, indicative of a longer annual activity period. Monthly survival was generally higher during winter (i.e., hibernation) than over the summer season. Summer survival increased over time, whilst winter survival decreased, especially during recent decades. Winter survival was lower when annual maximum snow depth was less than 15 cm, implying a negative effect of milder winters with less insulating snow cover. Our study demonstrates long-term shifts in body length, body condition and seasonal survival associated with a warming climate. Although the seasonal changes in survival ran in opposite directions and though changes were small in absolute terms, the trends did not cancel out, but total annual survival decreased. We conclude that effects of a warming climate can be diverse and pose a threat for thermophilic species in temperate regions, and that future studies should consider survival change by season, preferably in a long-term approach.
语种	英语
WOS研究方向	Science & Technology - Other Topics
WOS类目	Multidisciplinary Sciences
WOS记录号	WOS:001190798400042
来源期刊	PLOS ONE
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/299378
作者单位	Kristianstad University; Swedish Museum of Natural History; Swedish Museum of Natural History; Stockholm University; Swedish University of Agricultural Sciences
推荐引用方式 GB/T 7714	Elmberg, Johan,Palmheden, Ludvig,Edelstam, Carl,et al. Climate change-induced shifts in survival and size of the worlds' northernmost oviparous snake: A 68-year study[J],2024,19(3).
APA	Elmberg, Johan.,Palmheden, Ludvig.,Edelstam, Carl.,Hagman, Mattias.,Kaervemo, Simon.,...&Joger, Ulrich.(2024).Climate change-induced shifts in survival and size of the worlds' northernmost oviparous snake: A 68-year study.PLOS ONE,19(3).
MLA	Elmberg, Johan,et al."Climate change-induced shifts in survival and size of the worlds' northernmost oviparous snake: A 68-year study".PLOS ONE 19.3(2024).