气候变化领域集成服务门户(CCPortal): Quantifying impacts of plastic debris on marine wildlife identifies ecological breakpoints

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DOI	10.1111/ele.13574
	Quantifying impacts of plastic debris on marine wildlife identifies ecological breakpoints
	Marn N.; Jusup M.; Kooijman S.A.L.M.; Klanjscek T.
发表日期	2020
ISSN	1461023X
起始页码	1479
结束页码	1487
卷号	23 期号:10
英文摘要	Quantifying sublethal effects of plastics ingestion on marine wildlife is difficult, but key to understanding the ontogeny and population dynamics of affected species. We developed a method that overcomes the difficulties by modelling individual ontogeny under reduced energy intake and expenditure caused by debris ingestion. The predicted ontogeny is combined with a population dynamics model to identify ecological breakpoints: cessation of reproduction or negative population growth. Exemplifying this approach on loggerhead turtles, we find that between 3% and 25% of plastics in digestive contents causes a 2.5–20% reduction in perceived food abundance and total available energy, resulting in a 10–15% lower condition index and 10% to 88% lower total seasonal reproductive output compared to unaffected turtles. The reported plastics ingestion is insufficient to impede sexual maturation, but population declines are possible. The method is readily applicable to other species impacted by debris ingestion. © 2020 John Wiley & Sons Ltd.
关键词	conservation debris ingestion physiological energetics sea turtles stressors
英文关键词	ontogeny; population dynamics; population growth; reproduction; sexual maturity; turtle; Caretta caretta; Cheloniidae; Testudines; plastic; animal; environmental monitoring; population dynamics; turtle; water pollutant; wild animal; Animals; Animals, Wild; Environmental Monitoring; Plastics; Population Dynamics; Turtles; Water Pollutants
语种	英语
来源期刊	Ecology Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/204255
作者单位	Division for Marine and Environmental Research, Rudjer Boskovic Institute, Zagreb, HR-10002, Croatia; School of Biological Sciences, The University of Western Australia, Crawley, WA 6009, Australia; Tokyo Tech World Research Hub Initiative (WRHI), Institute of Innovative Research, Tokyo Institute of Technology, Tokyo, 152-8552, Japan; Vrije Universiteit Amsterdam, Amsterdam, 1081, Netherlands
推荐引用方式 GB/T 7714	Marn N.,Jusup M.,Kooijman S.A.L.M.,et al. Quantifying impacts of plastic debris on marine wildlife identifies ecological breakpoints[J],2020,23(10).
APA	Marn N.,Jusup M.,Kooijman S.A.L.M.,&Klanjscek T..(2020).Quantifying impacts of plastic debris on marine wildlife identifies ecological breakpoints.Ecology Letters,23(10).
MLA	Marn N.,et al."Quantifying impacts of plastic debris on marine wildlife identifies ecological breakpoints".Ecology Letters 23.10(2020).