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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 | |
| 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/299377 |
| 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 | . Climate change-induced shifts in survival and size of the worlds' northernmost oviparous snake: A 68-year study[J],2024,19(3). |
| APA | (2024).Climate change-induced shifts in survival and size of the worlds' northernmost oviparous snake: A 68-year study.PLOS ONE,19(3). |
| MLA | "Climate change-induced shifts in survival and size of the worlds' northernmost oviparous snake: A 68-year study".PLOS ONE 19.3(2024). |
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