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| DOI | 10.1038/s41598-024-56550-z |
| Weak coupling between energetic status and the timing of reproduction in an Arctic ungulate | |
| 发表日期 | 2024 |
| ISSN | 2045-2322 |
| 起始页码 | 14 |
| 结束页码 | 1 |
| 卷号 | 14期号:1 |
| 英文摘要 | Bioenergetic constraints are the ultimate determinant of the timing of reproduction, and seasonal breeding is consequently a widely observed trait. Consistent with this, attention has focused on plasticity in reproductive phenology conceptualized as a response to concomitant advances in the phenology of the environmental energy supply caused by climate change. Few studies, however, have directly compared timing of reproduction with energetic status in free-living wild animals. Here we demonstrate that neither body mass nor adiposity are strong proximate predictors of date of conception in wild reindeer (Rangifer tarandus). Weak coupling between energetic status and the phenology of reproduction accounts for the increasing discrepancy between the phenology of forage (energy supply) and the phenology of reproduction (energy demand) observed across the last 2-4 decades in two populations of this species. The results emphasise that phenological plasticity is not a passive response to changes in energy supply but derives from the way in which environmental factors interact with the core control mechanisms that govern timing. Central in this respect is integration, within the rheostatic centres of the hypothalamus, of information on nutritional status with the circannual life-history calendar. |
| 语种 | 英语 |
| WOS研究方向 | Science & Technology - Other Topics |
| WOS类目 | Multidisciplinary Sciences |
| WOS记录号 | WOS:001185966900006 |
| 来源期刊 | SCIENTIFIC REPORTS
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/294223 |
| 作者单位 | UiT The Arctic University of Tromso; Lincoln University - New Zealand; University of California System; University of California Davis; UiT The Arctic University of Tromso |
| 推荐引用方式 GB/T 7714 | . Weak coupling between energetic status and the timing of reproduction in an Arctic ungulate[J],2024,14(1). |
| APA | (2024).Weak coupling between energetic status and the timing of reproduction in an Arctic ungulate.SCIENTIFIC REPORTS,14(1). |
| MLA | "Weak coupling between energetic status and the timing of reproduction in an Arctic ungulate".SCIENTIFIC REPORTS 14.1(2024). |
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