洪泽湖渔业资源现状、问题与对策

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1、万方数据洪泽湖渔业资源现状、问题及策要在环保优先的前提下重新审视渔业目标和思路，促进洪泽湖人、渔、鱼、水和生态环境和谐发展。关键词：洪泽湖；渔业资源；现状；问题；对策万方数据ABSTRACTCURRENTSITUATION．PROBLEMSANDCOUNTERMEASURESoFFISHERYRESoURCESINHoNGZELAKEThispaperisbasedonthehistoricaldataofHongzelake，throughtheinvestigationofthestatusquooftheHongzeLakeplankton，benthicani

2、mals，aquaticplantsandfish，andcomparedwiththerelevantmaterials，analyzestheproblemsexistinginHongzelakefisheryresourcesandmanagement，andputsforwardcountermeasuresandsuggestionstosolvetheproblem．HongzelakeisChina’Sfourthlargestfreshwaterlake，thesecondlargestlakeinJiangsuProvince，isChina’Sf

3、ivelargestfreshwaterlakeintheyoungestone．ItislocatedinthemiddlereachesofHuaihe，northwestofJiangsuprovince；Hongze，Siyang，Sihong，acrossXuyi，Huaiyinandsixcounties(districts)places．Betweeneastlongitude18degreesl0’一118degrees52’，betweena3degreesnorthlatitude3degrees06’40’，itzenastheHuaiheRiv

4、eLSouthYangtzeRiveLEastthroughtheYellowSea，northofYishu，divertingwaterfromsouthtoNorthEastRouteProjectofwaterpassages，ofbasinfloodpeakclipping，adjustthesurplusanddeficiencyofwaterresources，aquaticfarmingandfishingrichfishinginthelakearea(agricultural)peopleplaysaveryimportantrole．Thebio

5、massofHongzelakeistheimportantpartofaquaticecosystem，whichistheimportantpartoftheaquaticecosystem，whichistheimportantindicatorofHongzelakefish．Accordingtothesurveyresults，withreferencetodomesticandforeignLakebiologicalproductivityofreunificationmethodandfoodweb，calculatetheyearoftheHong

6、zeLakefisherypotentialfor：phytoplanktonfeedingfisherypotentialabout7543tons，zooplanktivorousfishpotentialproductionabout9678tons，benthicfeedingpotentialfisheryproductivityabout8122tons．Butduetooverfishing，pollutionoftheenvironment，illegalsandminingfactorsinfluence，resultinginHongzeLakef

7、isherywaterqualityoftheenvironmentisgettingworse，eutrophicationeutrophicationgraduallyincreased，thedecreaseoftotalbiologicalresources，varietystructureoccurchange，fishcommunitybiodiversityreductionandminiaturizationoffishresourcesandyoungerage．III万方数据洪泽湖渔业资源现状、问题及策Thescaleandstr