简介:Nanningislocatedintheunder-developedareawithvariousethnicminoritiesinthesouthofChina.Since1995,Nanninghasbeenundergoingcomprehensiveimprovementinenvironmentinordertobringtotalchangestothebackwardurbaninfrastructureanddirtyanddisorderedurbanappearance,aswellastheunsatisfactoryhumansettlementsenvironment,especiallyseriousenvironmentalpollution.Inthepastyears,Nanninghaslaunchedamovementaimedatplanningandconstructingthecityitselfamodernecologicalgardencitywithcharacteristicandsubtropicalnatures,makingthecity,atthesametime,anewlookandwalkoutawayofdevelopingtheeconomybyraisingfundsinmultipleresources,enlarginginvestment,speedinginfrastructureconstructions.Intherecentyears,Nanninghassuccessivelywonsomeawardssuchas“NationalSanitaryCity”,“NationalOutstandingCityinEnvironmentalComprehensiveImprovement”,“NationalGardenCity”,“NationalOutstandingTouristCity”.Anditwasalsocollectedinthe2000DubaiInternationalAwardforBestPracticesinImprovingtheLivingEnvironmentasagoodpractice.
简介:Inordertoguidefishfarmerstounderstandwaterenvironmentastheyaffectaquaculture,inthispaper,thecharacteristicsoftheenvironmentalfactorsincludingphysicalfactors,chemicalfactorsandsooninaquaculturewateraredescribedindetail.Meanwhile,theeffectsofthosefactorsonaquacultureproductionarealsodiscussed.