globalchange  > 气候变化与战略
DOI: 10.1111/ele.13574
论文题名:
Quantifying impacts of plastic debris on marine wildlife identifies ecological breakpoints
作者: Marn N.; Jusup M.; Kooijman S.A.L.M.; Klanjscek T.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2020
卷: 23, 期:10
起始页码: 1479
结束页码: 1487
语种: 英语
中文关键词: 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
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.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166664
Appears in Collections:气候变化与战略

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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

Recommended Citation:
Marn N.,Jusup M.,Kooijman S.A.L.M.,et al. Quantifying impacts of plastic debris on marine wildlife identifies ecological breakpoints[J]. Ecology Letters,2020-01-01,23(10)
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