气候变化领域集成服务门户(CCPortal): Cascading social-ecological costs and benefits triggered by a recovering keystone predator

CCPortal

DOI	10.1126/science.aay5342
	Cascading social-ecological costs and benefits triggered by a recovering keystone predator
	Gregr E.J.; Christensen V.; Nichol L.; Martone R.G.; Markel R.W.; Watson J.C.; Harley C.D.G.; Pakhomov E.A.; Shurin J.B.; Chan K.M.A.
发表日期	2020
ISSN	0036-8075
起始页码	1243
结束页码	1247
卷号	368 期号:6496
英文摘要	Predator recovery often leads to ecosystem change that can trigger conflicts with more recently established human activities. In the eastern North Pacific, recovering sea otters are transforming coastal systems by reducing populations of benthic invertebrates and releasing kelp forests from grazing pressure. These changes threaten established shellfish fisheries and modify a variety of other ecosystem services. The diverse social and economic consequences of this trophic cascade are unknown, particularly across large regions. We developed and applied a trophic model to predict these impacts on four ecosystem services. Results suggest that sea otter presence yields 37% more total ecosystem biomass annually, increasing the value of finfish [+9.4 million Canadian dollars (CA$)], carbon sequestration (+2.2 million CA$), and ecotourism (+42.0 million CA$). To the extent that these benefits are realized, they will exceed the annual loss to invertebrate fisheries (−$7.3 million CA$). Recovery of keystone predators thus not only restores ecosystems but can also affect a range of social, economic, and ecological benefits for associated communities. © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works
英文关键词	biomass; carbon sequestration; coastal zone; ecosystem function; ecosystem service; finfish; grazing pressure; human activity; kelp forest; keystone species; shellfish fishery; trophic cascade; article; biomass; carbon sequestration; Enhydra lutris; human; invertebrate; nonhuman; predator; trophic cascade; animal; ecosystem restoration; fishery; food chain; growth, development and aging; herbivory; human activities; kelp; otter; predation; shellfish; Pacific Ocean; Pacific Ocean (North); Enhydra; Invertebrata; Animals; Biomass; Carbon Sequestration; Environmental Restoration and Remediation; Fisheries; Food Chain; Herbivory; Human Activities; Kelp; Otters; Predatory Behavior; Shellfish
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/243867
作者单位	Institute for Resources Environment, and Sustainability, University of British Columbia, 2202 Main Mall, Vancouver, BC V6T 1Z4, Canada; SciTech Environmental Consulting, 2136 Napier St., Vancouver, BC V5L 2N9, Canada; Institute for the Oceans and Fisheries, University of British Columbia, 2202 Main Mall, Vancouver, BC V6T 1Z4, Canada; Fisheries and Oceans Canada, Pacific Biological Station, 3190 Hammond Bay Rd., Nanaimo, BC V9T 6N7, Canada; Outer Shores Expeditions, P.O. Box 361, Cobble Hill, BC V0R 1L0, Canada; Biology Department, Vancouver Island University, 900 5th St., Nanaimo, BC V9R 5S5, Canada; Department of Zoology, University of British Columbia, 6270 University Blvd., Vancouver, BC V6T 1Z4, Canada; Hakai Institute, P.O. Box 309, Heriot Bay, BC V0P 1H0, Canada; Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, 2207 Main Mall, Vancouver, BC V6T 1Z4, Canada; Section of Ecology, Behavior and Evolution, University of California, San Diego, 9500 Gilman Dr. #...
推荐引用方式 GB/T 7714	Gregr E.J.,Christensen V.,Nichol L.,et al. Cascading social-ecological costs and benefits triggered by a recovering keystone predator[J],2020,368(6496).
APA	Gregr E.J..,Christensen V..,Nichol L..,Martone R.G..,Markel R.W..,...&Chan K.M.A..(2020).Cascading social-ecological costs and benefits triggered by a recovering keystone predator.Science,368(6496).
MLA	Gregr E.J.,et al."Cascading social-ecological costs and benefits triggered by a recovering keystone predator".Science 368.6496(2020).