This page intentionally left blank EcosystemApproachestoFisheries AGlobalPerspective InspiredbytheworkoftherenownedfisheriesscientistDaniel Pauly,thisbookprovidesadetailedoverviewofecosystem-based managementoffisheries.Itexploresthecomplexandinterdisciplinary natureofthesubjectbybringingtogethercontributionsfromsome oftheworld(cid:2)sleadingfisheriesscientistsandconservationists. Combiningbothresearchreviewsandopinionpieces,andreflecting thebreadthofPauly(cid:2)sinfluencewithinthefield,thebookillustrates therangeofissuesassociatedwiththeimplementationofthe ecosystemapproachandthechallengeoflong-termsustainability. Topicscoveredincludeglobalbiodiversity,theimpactofhuman actionsonmarinelife,theimplicationsforeconomicandsocial systems,andtheroleofscienceincommunicatingandshapingocean policytoconserveresourcesforthefuture. Thisbookprovidesacompleteandessentialoverviewforadvanced researchersandforthosejustenteringthefield. VILLYCHRISTENSENisProfessorandAssociateDirectorofthe FisheriesCentreatth eUniversityofBritishColumbia.Heisaleading expertinecosystemmodeling,andhasledcoursesandworkshops throughouttheworldondevelopingecosystemapproachestofisheries management. JAYMACLEANisaformerActingDirectorGeneralandDirectorofthe InformationProgramoftheInternationalCenterforLivingAquatic ResourcesManagement(ICLARM)inthePhilippines.Heiscurrentlya consultantforseveralinternationalorganizationsandisbasedin Manila. Ecosystem Approaches to Fisheries A Global Perspective Editedby villy christensen UniversityofBritish Columbia,Vancouver jay maclean Manila,Philippines cambridge university press Cambridge,NewYork,Melbourne,Madrid,CapeTown, Singapore,SªoPaulo,Delhi,Tokyo,MexicoCity CambridgeUniversityPress TheEdinburghBuilding,CambridgeCB28RU,UK PublishedintheUnitedStatesofAmericabyCambridgeUniversityPress, NewYork www.cambridge.org Informationonthistitle:www.cambridge.org/9780521113052 'CambridgeUniversityPress2011 Thispublicationisincopyright.Subjecttostatutoryexception andtotheprovisionsofrelevantcollectivelicensingagreements, noreproductionofanypartmaytakeplacewithoutthewritten permissionofCambridgeUniversityPress. Firstpublished2011 PrintedintheUnitedKingdomattheUniversityPress,Cambridge AcatalogrecordforthispublicationisavailablefromtheBritishLibrary ISBN978-0-521-11305-2Hardback ISBN978-0-521-13022-6Paperback CambridgeUniversityPresshasnoresponsibilityforthepersistenceor accuracyofURLsforexternalorthird-partyinternetwebsitesreferredto inthispublication,anddoesnotguaranteethatanycontentonsuch websitesis,orwillremain,accurateorappropriate. Contents Listofcontributors pageviii Foreword xi lord robert may Preface xiii Acknowledgments xv 1 Introduction:towardecosystem-basedmanagement offisheries 1 villy christensen I. Lifeintheoceans 2 Theoxygenconstraint 11 andrew bakun 3 Organizinganddisseminatingmarinebiodiversity information:theFishBaseandSeaLifeBasestory 24 maria l.d. palomares and nicolas bailly 4 ThescienceinFishBase 47 rainer froese II. Evaluatingimpactonmarinelife 5 Howmuchfishisbeingextractedfromtheoceans andwhatisitworth? 55 reg watson, u. rashid sumaila, and dirk zeller v vi Contents 6 Fishingdownfoodwebs 72 konstantinos i. stergiou and villy christensen 7 Aquacultureupanddownthefoodweb 89 roger s.v. pullin 8 Beyondfood:fishinthetwenty-firstcentury 120 jennifer jacquet 9 Theshiftingbaselinessyndrome:perception,deception, andthefutureofouroceans 128 jeremy jackson and jennifer jacquet III. Managinglivingresources 10 Assessmentofexploitedstocksoftropicalfishes: anoverview 145 john l. munro 11 Ecosystem-basedfisheriesmanagementintheface ofclimatechange 171 william w.l. cheung, jessica j. meeuwig, and vicky w.y. lam 12 Progressintheuseofecosystemmodelingforfisheries management 189 villy christensen and carl j. walters IV. Thehumanside 13 Scienceandcap acitybuildingforsustainable developmentinfisheries 209 cornelia e. nauen and gotthilf hempel 14 Thinkingbigonsmall-scalefisheries 226 ratana chuenpagdee 15 Coastal-marineresourceuseinhumanecological context:thescaleandmodesofintegration 241 kenneth ruddle 16 Globalfisherieseconomicanalysis 272 u. rashid sumaila, andrew j. dyck, andre·s m. cisneros-montemayor, and reg watson Contents vii V. Impactingpolicy 17 Linkingconservationpolicyandscience 283 joshua s. reichert 18 Usingthescience 290 michael f. hirshfield 19 Thescientistascommunicator 295 nancy baron 20 Scenariodevelopmentfordecisionmaking 304 villy christensen and sherman lai 21 Therelationshipbetweenscienceandoceanpolicy 315 carl safina and marah j. hardt Index 322 Contributors NicolasBailly WorldFish Center, Biodiversity Informatics Office, Khush Hall, IRRICollege,LosBaæos,Laguna,Philippines AndrewBakun RosenstielSchoolofMarineandAtmosphericScience,University ofMiami,4600RickenbackerCauseway,Miami,FL33149,USA NancyBaron SeaWeb, c/o National Center for Ecological Analysis and Synthesis (NCEAS), 735 State St., Suite 300, Santa Barbara, CA 93101,USA WilliamW.L.Cheung School of Environmental Sciences, University of East Anglia, Norwich, NR4 7TJ, UK, and Fisheries Centre, University of BritishColumbia,Vancouver,Canada,BCV6T1Z4 VillyChristensen FisheriesCentre,UniversityofBritishColumbia,2202MainMall, Vancouver,Canada,BCV6T1Z4 RatanaChuenpagdee Department of Geography, Memorial University of Newfound- land,St.John(cid:2)s,Newfoundland,Canada,A1B3X9 Andre·sM.Cisneros-Montemayor FisheriesCentre,UniversityofBritishColumbia,2202MainMall, Vancouver,Canada,BCV6T1Z4 viii Listofcontributors ix AndrewJ.Dyck FisheriesCentre,UniversityofBritishColumbia,2202MainMall, Vancouver,Canada,BCV6T1Z4 RainerFroese IFM-GEOMAR,D(cid:3)sternbrookerWeg20,24105Kiel,Germany MarahJ.Hardt OceanInk,KailuaKona,HI96740,USA GotthilfHempel CentreforTropicalMarineEcology,AlfredWegenerInstitutefor MarineandPolarResearch,Bremerhaven,andInstituteforPolar Ecology,Wischhofstr1(cid:4)3,Geb.12,D-24148Kiel,Germany MichaelF.Hirshfield Oceana,1350ConnecticutAve.,NW,5thFloor,Washington,DC 20036,USA JeremyJackson Center for Marine Biodiversity and Conservation, Scripps InstitutionofOceanography0202,UniversityofCalifornia,San Diego,9500GilmanDrive,LaJolla,CA92083-0202,USA JenniferJacquet FisheriesCentre,UniversityofBritishColumbia,2202MainMall, Vancouver,Canada,BCV6T1Z4 ShermanLai FisheriesCentre,UniversityofBritishColumbia,2202MainMall, Vancouver,Canada,BCV6T1Z4 VickyW.Y.Lam FisheriesCentre,UniversityofBritishColumbia,2202MainMall, Vancouver,Canada,BCV6T1Z4 JessicaJ.Meeuwig Centrefor Marine Futures, Faculty of Natural and Agricultural Sciences, University of Western Australia, Plant Biology, M090, 35 Stirling Highway, Crawley WA 6009, Australia JohnL.Munro 242MacDonnellRoad,EagleHeights,Queensland4271,Australia DrMunrodiedDecember13,2009