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蓝藻水华对浮游细菌群落结构的影响及蓝藻生物质应用研究.docx

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蓝藻水华对浮游细菌群落结构的影响及蓝藻生物质应用研究 Title:TheImpactofCyanobacterialBloomsontheStructureofPlanktonicBacterialCommunitiesandResearchontheApplicationofCyanobacterialBiomass Abstract: Cyanobacterialblooms,alsoknownasharmfulalgalblooms(HABs),havebecomeamajorconcernforaquaticecosystemsworldwideduetotheiradverseeffectsonwaterqualityandecologicalbalance.Thispaperaimstoexploretheinfluenceofcyanobacterialbloomsonthestructureofplanktonicbacterialcommunitiesanddiscussthepotentialapplicationsofcyanobacterialbiomass.Cyanobacterialbloomscanhavebothdirectandindirecteffectsonbacterialcommunities,includingchangesincommunitycomposition,diversity,andmetabolicfunctions.Additionally,theutilizationofcyanobacterialbiomassholdspromiseforvariousapplications,suchasbiofuels,wastewatertreatment,andfeedadditives.Thisresearchemphasizestheneedforacomprehensiveunderstandingoftheecologicalconsequencesofcyanobacterialbloomsandexploresinnovativeapproachesforutilizingcyanobacterialbiomasssustainably. 1.Introduction: Cyanobacterialbloomsaremassiveproliferationsofcyanobacteriainfreshwaterandmarineenvironments.Thesebloomshavebeenincreasinginfrequencyandintensityduetohumanactivitiesandenvironmentalchanges.Cyanobacteriaareknowntoinfluencethestructureandfunctionofplanktonicbacterialcommunitiesduetotheirabilitytoreleaseextracellularbiopolymersandtoxins.Furthermore,cyanobacteriacanhavedetrimentaleffectsonwaterquality,ecologicalbalance,andhumanhealth.Understandingtheimpactofcyanobacterialbloomsonbacterialcommunitiesisvitalforeffectivemanagementandmitigationstrategies. 2.InfluenceofCyanobacterialBloomsonPlanktonicBacterialCommunities: Cyanobacterialbloomsalterthephysicalandchemicalpropertiesofthewater,leadingtochangesinthecompositionanddiversityofbacterialcommunities.Thedominanceofcyanobacteriacansuppresstheabundanceanddiversityofotherbacterialtaxa.Moreover,cyanobacteriareleaseavarietyofcompounds,includingallelopathicsubstancesandextracellularpolymericsubstances(EPS),thatcandirectlyinfluencethegrowthandmetabolismofplankt