气候变化领域集成服务门户(CCPortal): Fish reproductive-energy output increases disproportionately with body size

CCPortal

DOI	10.1126/science.aao6868
	Fish reproductive-energy output increases disproportionately with body size
	Barneche D.R.; Ross Robertson D.; White C.R.; Marshall D.J.
发表日期	2018
ISSN	0036-8075
起始页码	642
结束页码	645
卷号	360 期号:6389
英文摘要	Body size determines total reproductive-energy output. Most theories assume reproductive output is a fixed proportion of size, with respect to mass, but formal macroecological tests are lacking. Management based on that assumption risks underestimating the contribution of larger mothers to replenishment, hindering sustainable harvesting. We test this assumption in marine fishes with a phylogenetically controlled meta-analysis of the intraspecific mass scaling of reproductive-energy output. We show that larger mothers reproduce disproportionately more than smaller mothers in not only fecundity but also total reproductive energy. Our results reset much of the theory on how reproduction scales with size and suggest that larger mothers contribute disproportionately to population replenishment. Global change and overharvesting cause fish sizes to decline; our results provide quantitative estimates of how these declines affect fisheries and ecosystem-level productivity. 2017 © The Authors
英文关键词	bioenergetics; body mass; body size; exploitation; fecundity; fish; global change; meta-analysis; reproduction; reproductive potential; risk factor; Article; body mass; body size; controlled study; ecosystem; egg production; empiricism; fertility; fish; fish stock; global change; marine species; nonhuman; ontogeny; phylogeny; priority journal; productivity; reproduction; anatomy and histology; animal; female; fertility; fish; fishery; physiology; Pisces; Animals; Body Size; Female; Fertility; Fisheries; Fishes; Reproduction
语种	英语
来源期刊	Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/242958
作者单位	Centre for Geometric Biology, School of Biological Sciences, Monash University, Clayton, VIC 3800, Australia; Smithsonian Tropical Research Institute, Balboa, Panama; School of Life and Environmental Sciences, University of Sydney, Sydney, NSW 2006, Australia
推荐引用方式 GB/T 7714	Barneche D.R.,Ross Robertson D.,White C.R.,et al. Fish reproductive-energy output increases disproportionately with body size[J],2018,360(6389).
APA	Barneche D.R.,Ross Robertson D.,White C.R.,&Marshall D.J..(2018).Fish reproductive-energy output increases disproportionately with body size.Science,360(6389).
MLA	Barneche D.R.,et al."Fish reproductive-energy output increases disproportionately with body size".Science 360.6389(2018).