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Principles for managing marine ecosystems prone to tipping points

Ecosystem Health and Sustainability 2015年第5期1卷 15-32页

作者： Kimberly A.Selkoe Thorsten Blenckner Margaret R.Caldwell Larry B.crowder Ashley L.Erickson Timothy E.Essington James A.Estes Rod M.Fujita Benjamin S.Halpern Mary E.Hunsicker Carrie V.Kappel Ryan P.Kelly John N.Kittinger Phillip S.Levin John M.Lynham Megan E.Mach Rebecca G.Martone Lindley A.Mease Anne KSalomon Jameal F.Samhouri Courtney Scarborough Adrian C.Stier crow white Joy Zedler National Center for Ecological Analysis and Synthesis 735 State StreetSuite 300Santa BarbaraCalifornia 93101 USA Hawaii Institute of Marine Biology University of HawaiiKaneoheHawaii 96744 USA Stockholm Resilience Centre Stockholm UniversityKra¨ftriket 2B10691 StockholmSweden Center for Ocean Solutions Stanford Woods Institute for the EnvironmentStanford University473 Via Ortega Room 193StanfordCalifornia 94305 USA School of Aquatic and Fishery Sciences University of WashingtonSeattleWashington 98195 USA Department of Ecology and Evolutionary Biology 100 Shaffer RoadUniversity of CaliforniaSanta CruzCalifornia 95060 USA Environmental Defense Fund 123 Mission Street28th FloorSan FranciscoCalifornia 94105 USA Bren School of Environmental Science and Management University of CaliforniaSanta BarbaraCalifornia 93106 USA Imperial College London Silwood Park CampusBuckhurst RoadAscot SL57PY United Kingdom School of Marine and Environmental Affairs University of Washington3707 Brooklyn Avenue NESeattleWashington 98105-6715 USA Conservation International Betty and Gordon Moore Center for Science and Oceans7192 Kalaniana‘ole HighwaySuite G230HonoluluHawaii 96825 USA Conservation Biology Division Northwest Fisheries Science CenterNational Marine Fisheries ServiceNational Oceanic and Atmospheric Administration2725 Montlake Boulevard EastSeattleWashington 98112 USA Department of Economics University of Hawaii at ManoaHonoluluHawaii 96822 USA School of Resource and Environmental Management Simon Fraser UniversityBurnabyBritish Columbia V5A1S6 Canada Department of Biological Sciences California Polytechnic State UniversitySan Luis ObispoCalifornia 93407 USA Botany Department University of WisconsinMadisonWisconsin 53706 USA

As climatic changes and human uses intensify,resource managers and other decision makers are taking actions to either avoid or respond to ecosystem tipping points,or dramatic shifts in structure and function that are often costly and hard to *** indicates that explicitly addressing tipping points leads to improved management *** on theory and examples from marine systems,we distill a set of seven principles to guide effective management in ecosystems with tipping points,derived from the best available *** principles are based on observations that tipping points(1)are possible everywhere,(2)are associated with intense and/or multifaceted human use,(3)may be preceded by changes in earlywarning indicators,(4)may redistribute benefits among stakeholders,(5)affect the relative costs of action and inaction,(6)suggest biologically informed management targets,and(7)often require an adaptive response to *** suggest that early action to preserve system resilience is likely more practical,affordable,and effective than late action to halt or reverse a tipping *** articulate a conceptual approach to management focused on linking management targets to thresholds,tracking early-warning signals of ecosystem instability,and stepping up investment in monitoring and mitigation as the likelihood of dramatic ecosystem change *** approach can simplify and economize management by allowing decision makers to capitalize on the increasing value of precise information about threshold relationships when a system is closer to tipping or by ensuring that restoration effort is sufficient to tip a system into the desired regime.

关键词： critical transition ecosystem-based management marine spatial planning nonlinear relationships restoration ecology stakeholder engagement

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