气候变化领域集成服务门户(CCPortal): Multigenerational exposure to warming and fishing causes recruitment collapse, but size diversity and periodic cooling can aid recovery

CCPortal

DOI	10.1073/pnas.2100300118
	Multigenerational exposure to warming and fishing causes recruitment collapse, but size diversity and periodic cooling can aid recovery
	Wootton H.F.; Audzijonyte A.; Morrongiello J.
发表日期	2021
ISSN	0027-8424
卷号	118 期号:18
英文摘要	Global warming and fisheries harvest are significantly impacting wild fish stocks, yet their interactive influence on population resilience to stress remains unclear. We explored these interactive effects on early-life development and survival by experimentally manipulating the thermal and harvest regimes in 18 zebrafish (Danio rerio) populations over six consecutive generations. Warming advanced development rates across generations, but after three generations, it caused a sudden and large (30-50%) decline in recruitment. This warming impact was most severe in populations where size-selective harvesting reduced the average size of spawners. We then explored whether our observed recruitment decline could be explained by changes in egg size, early egg and larval survival, population sex ratio, and developmental costs. We found that it was most likely driven by temperature-induced shifts in embryonic development rate and fishing-induced male-biased sex ratios. Importantly, once harvest and warming were relaxed, recruitment rates rapidly recovered. Our study suggests that the effects of warming and fishing could have strong impacts on wild stock recruitment, but this may take several generations to manifest. However, resilience of wild populations may be higher if fishing preserves sufficient body size diversity, and windows of suitable temperature periodically occur. © 2021 National Academy of Sciences. All rights reserved.
英文关键词	Climate change; Evolution; Fishing; Recruitment; Reproduction
语种	英语
scopus关键词	adult; Article; climate change; controlled study; cooling; egg size; embryo; embryo development; environmental temperature; female; fishing; greenhouse effect; harvesting; larva; male; nonhuman; population size; priority journal; sex ratio; survival; zebra fish
来源期刊	Proceedings of the National Academy of Sciences of the United States of America
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/238745
作者单位	School of Biosciences, University of Melbourne, Melbourne, VIC 3010, Australia; Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, TAS 7004, Australia
推荐引用方式 GB/T 7714	Wootton H.F.,Audzijonyte A.,Morrongiello J.. Multigenerational exposure to warming and fishing causes recruitment collapse, but size diversity and periodic cooling can aid recovery[J],2021,118(18).
APA	Wootton H.F.,Audzijonyte A.,&Morrongiello J..(2021).Multigenerational exposure to warming and fishing causes recruitment collapse, but size diversity and periodic cooling can aid recovery.Proceedings of the National Academy of Sciences of the United States of America,118(18).
MLA	Wootton H.F.,et al."Multigenerational exposure to warming and fishing causes recruitment collapse, but size diversity and periodic cooling can aid recovery".Proceedings of the National Academy of Sciences of the United States of America 118.18(2021).