气候变化领域集成服务门户(CCPortal): Weak coupling between energetic status and the timing of reproduction in an Arctic ungulate

CCPortal

DOI	10.1038/s41598-024-56550-z
	Weak coupling between energetic status and the timing of reproduction in an Arctic ungulate
	Tyler, N. J. C.; Post, E.; Hazlerigg, D. G.
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/294224
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	Tyler, N. J. C.,Post, E.,Hazlerigg, D. G.. Weak coupling between energetic status and the timing of reproduction in an Arctic ungulate[J],2024,14(1).
APA	Tyler, N. J. C.,Post, E.,&Hazlerigg, D. G..(2024).Weak coupling between energetic status and the timing of reproduction in an Arctic ungulate.SCIENTIFIC REPORTS,14(1).
MLA	Tyler, N. J. C.,et al."Weak coupling between energetic status and the timing of reproduction in an Arctic ungulate".SCIENTIFIC REPORTS 14.1(2024).