Alien species and the water framework directive

《Alien species and the water framework directive》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、AlienspeciesandtheWaterFrameworkDirectiveQuestionnaireresultsJochenVandekerkhove&AnaCristinaCardosoEUR24257EN-20101ThemissionoftheJRC-IESistoprovidescientific-technicalsupporttotheEuropeanUnion’spoliciesfortheprotectionandsustainabledevelopmentoftheEuropeanandglobalenvironment.EuropeanCommissionJo

2、intResearchCentreInstituteforEnvironmentandSustainabilityContactinformationAddress:EuropeanCommission–JointResearchCentreInstituteforEnvironmentandSustainabilityBuilding27(TP270),ViaEnricoFermi2749Ispra(VA)I-21027,ItalyE-mail:ana-cristina.cardoso@jrc.ec.europa.euTel.:+39-0332-783696Fax:+39-0332-78

3、9352http://ies.jrc.ec.europa.eu/http://www.jrc.ec.europa.eu/LegalNoticeNeithertheEuropeanCommissionnoranypersonactingonbehalfoftheCommissionisresponsiblefortheusewhichmightbemadeofthispublication.EuropeDirectisaservicetohelpyoufindanswerstoyourquestionsabouttheEuropeanUnionFreephonenumber(*):00800

4、67891011(*)Certainmobiletelephoneoperatorsdonotallowaccessto00800numbersorthesecallsmaybebilled.AgreatdealofadditionalinformationontheEuropeanUnionisavailableontheInternet.ItcanbeaccessedthroughtheEuropaserverhttp://europa.eu/JRC56502EUR24257ENISBN978-92-79-15053-1ISSN1018-5593DOI10.2788/64083Luxe

5、mbourg:OfficeforOfficialPublicationsoftheEuropeanCommunities©EuropeanUnion,2010ReproductionisauthorisedprovidedthesourceisacknowledgedPrintedinItaly2SUMMARYAlienspeciesconstituteamajorpressureinaquaticenvironments,bothecologicallyandeconomically.Thisrecognitionhasinitiatedadebateontheroleofaliensp

6、eciesinecologicalstatusclassifications.WedistributedaquestionnairetoreviewhowEUMemberStates(MSs)dealwithalienspeciesintheirnationalstatusassessmentsundertheWaterFrameworkDirective(WFD).Thequestionnairewasfilledandreturnedby23EUMSsandNorway.Analysisofthequestionnairereturnsandreferredmethodsreveale

7、dtheexistenceofawiderangeofapproaches:(1)ThemajorityofMSsdonottakealienspeciesexplicitlyintoaccountforclassificationundertheWFD.Thisimpliesthatthebiologicalmethodsthatweredevelopedforassessinganthropogenicpressur