学科分类
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7 个结果
  • 简介:Afterayear'sperfectionandevolution,theObamaAdministration'sNewDealinforeignpolicyhastakenshape.AdistinctivefeatureoftheObamadiplomacyisthattomaintaintheleadershipstatusintheworld,theUnitedStatesshoulduseits'smartpower'toachieveitsforeignpolicygoalsthroughmultilateralcooperationandinasoftandpragmaticway.TheObama

  • 标签: 外交政策 美国 领导干部 国际问题
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  • 简介:China-LACtradevolumehasrisenmorethan20timesinthepastdecade,andreached269billionUSdollarsin2014.ChinahasbecomethesecondlargesttradepartneroftheLACandlargesttradepartnerofBrazil,ChileandotherLACcountries.Whattheinfluencewilleconomically-transformingChinaexertonLACeconomy?HowwillChinaLACtradeandeconomicrelationshipdiversify?Whatnewelementswillemergeinthecorporatecooperation

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  • 简介:Restoringdegradedforestsandagriculturallandshasbecomeaglobalconservationpriority.Agrowingnumberoftoolscanquantifyecosystemservicetradeoffsassociatedwithforestrestoration.Thisevolving'toolslandscape'presentsadilemma:moretoolsareavailable,butselectingappropriatetoolshasbecomemorechallenging.WepresentaRestorationEcosystemServiceToolSelector(RESTS)frameworkthatdescribeskeycharacteristicsof13ecosystemserviceassessmenttools.Analystsenterinformationabouttheirdecisioncontext,servicestobeanalyzed,anddesiredoutputs.Toolsarefilteredandpresentedbasedonfiveevaluativecriteria:scalability,cost,timerequirements,handlingofuncertainty,andapplicabilitytobenefit-costanalysis.RESTSusesaspreadsheetinterfacebutaweb-basedinterfaceisplanned.Giventherapidevolutionofecosystemservicesscience,RESTSprovidesanadaptableframeworktoguideforestrestorationdecisionmakerstowardtoolsthatcanhelpquantifyecosystemservicesinsupportofrestoration.

  • 标签: 生态系统服务功能 森林恢复 决策者 框架 识别模型 成本效益分析