白云湖水生态构建示范区浮游植物群落初步研究

38《》2014-12-102015-05-18201508020104BYHGLC-2010-021985-020-34280530*[e-mail]。EnvironmentalScience&Technology38620156Vol.38No.6Jun.2015*5102202013320141。2013332649813142041640.8%、32.7%26.5%。2014152754715152739121150%、27.78%、16.67%、3.70%1.85%。。3.2×106cells/L1.7×106cells/L7.245mg/L2.625mg/LShannon-weiner、MargalefPielou0.482、3.202、0.0861.081、3.690、0.188、、。X171.4Adoi10.3969/j.issn.1003-6504.2015.06.0141003-6504(2015)06-0088-05PreliminaryStudyofPhytoplanktoninEcologicalConstructionDemonstrationAreaofBaiyunLakeZHANGMingzhuYUFanyang*TANGQinghuaMENGQingqiangPANGZhiyanZHONGZhengGuangzhouHydraulicResearchInstituteGuangzhou510220ChinaAbstractPhytoplanktonofecologicalconstructiondemonstrationareainBaiyunLakewereinvestigatedrespectivelyinMarch2013andJanuary2014.Beforeecologicalbuilding49speciesbelongingto3phylumand26generawereobervedinMarch2013including8generaand13speciesofBacillariophyta14generaand20speciesofChorophyta4generaand16speciesofEuglenophytawhichaccountedfor40.8%32.7%and26.5%respectively.Afterecologicalbuilding5phylum27generaand54specieswereobervedinMarch2013including7generaand15speciesofBacillariophyta15generaand27speciesofChorophyta3generaand9speciesofEuglenophyta1generaand2speciesofCyanophyta1generaand1speciesofPyrrophytawhichaccountedfor50%27.78%6.67%3.70%and1.85%respectively.BacillariophytaandChorophytaweremaingroupsofphytoplanktoninthedemonstrationarea.Phytoplanktondensitydecreasedfrom1.7×106cells/Lto3.2×106cells/Landbiomassdecreasedfrom7.245mg/Lto2.625mg/LShannon-weinerindexMargalefindexandPielouindexincreasedfrom0.4823.2020.086to1.0813.6900.188respectively.Nutritionstateofdemonstrationareatransformfromeutrophicintomiddlenutrition.Itshowedthataseriesofwaterecologicalconstructionmeasuresincludingplantingsubmergedplantputinginthecarnivorousfishfilter-feedingfishandsnailshadachievedgoodresultssoitwasrecommendedtobepopularizedandappliedinBaiyunLakeandothereutrophicscenicwater.KeywordsBaiyunLakeecologicalconstructionphytoplankton113°13'E、23°12'N20061220104[1-2]。2201111[3]。6、、[4-5][6]。[7-8][9-10]。20133、、5000m2。2013320141[11]。11.1、2121。。1.2、《》[12]2518.5cm、0.025m264μm0.5m1~2。HQM-10.5m1L15‰。24h。30~100mL。1mLSedgewick-RafteNikonECLIPSETS100。4%。《》、《》《》[13-15]。1.3《》[16]《》GB3838-2002。Shannon-weiner、MargalefPielou。Shannon-weinerH=Si=1ΣPilog2PiMargalefD=S-1/lnNPielouJ=Si=1ΣPilog2Pi/log2SSPi=Ni/NNiiN。。22.112013320141、pHChl-a、SS、COD、BOD5、、TN、TP、NH3-N、NO3--N80.65%、40.63%、43.91%、38.63%、31.51%、81.59%、91.18%、37.84%、76.63%。2.22013332649142041681340.8%、32.7%26.5%。201415275415201303201401/%t/℃25.513.8—DO13.657.75—pH7.667.33—Chl-a/mg·m-3115.2522.380.65SS169.540.63COD34.0519.143.91BOD513.858.538.638.035.531.51TN9.071.6781.59TP0.340.0391.18NH3-N0.740.4637.84NO3--N4.150.9776.631Table1WaterqualitystatisticsofecosystemconstructiondemonstrationareainBaiyunLakemg/L382771539121150%、27.78%、16.67%、3.70%1.85%。2~3、21Fragilariasp.、Cosmariumtinctum[17]。、、、、、、、、、、、、、、、、、2。2.33201333.2×106cells/L7.245mg/L2Table2PhytoplanktonspeciesinecosystemconstructiondemonstrationareaofBaiyunLake2013320141Cyclotellameneghiniana、Aulacoseiragranulatavar.angustissima、Aulacoseiragranulatavar.granulata、Naviculasp.、Nitzschiapalea、Stephanodiscussp.、Synedratabulata、Caloneissp.、Gyrosigmasp.、Aulacoseiraitalica、Nitzschiasp.、Synedraacus、SynedraberolinensisCyclotellameneghiniana、Aulacoseiragranulatavar.angustissima、Aulacoseiragranulatavar.granulata、Naviculasp.、Nitzschiapalea、Stephanodiscussp.、Synedratabulata、Synedraberolinensis、Synedrasp.、Fragilariasp.、Melosiradistans、Melosiradistansvar.alpigena、Melosiragranulatavar.curvata、Naviculasubtilissimavar.paucistriata、NitzschiaclosteriumClosteriopsislongissima、Crucigeniatetrapedia、Dictyosphaeriacavernosa、Oocystislacustis、Pediastrumtetras、Radiococcusplanktonicus、Scenedesmusarmatus、Scenedesmusarmatusvar.boglariensisf.bicaudatus、Scenedesmusopoliensis、Scenedesmusovalternus、Asterococcussuperbus、Cosmariumsp.、Elakatothrixgelatinosa、Eudorinaelegans、Micractiniumpusillum、Scenedesmusarcuatus、Scenedesmusjavaensis、Scenedesmusquadricauda、Tetraedrontrigonum、WestellabotryoidesClosteriopsislongissima、Crucigeniatetrapedia、Dictyosphaeriacavernosa、Oocystislacustis、Pediastrumtetras、Radiococcusplanktonicus、Scenedesmusarmatus、Scenedesmusarmatusvar.boglariensisf.bicaudatus、Scenedesmusopoliensis、Scenedesmusovalternus、Actinastrumhantzschii、Ankistrodesmusfalcatus、Coelastrumsp.、Cosmariumtinctum、Crucigenialauterbornei、Crucigeniaquadrata、Monoraphidiumarcuatum、Monoraphidiumkomarkovae、Pediastrumduplex、Pediastrumduplexvar.duodenarium、Quadrigulachodatii、Scenedesmusacuminatus、Scenedesmuscarinatus、Scenedesmusdimorphus、Scenedesmusperforatus、Selenastrumbibraianum、TetrastrumpunctatumEuglenaacus、Euglenaoxyuris、Trachelomonasscabra、Trachelomonasplanctonica、Trachelomonasplanctonicavar.longicollis、Trachelomonasplanctonicavar.oblonga、Euglenaehrenbergii、Euglenafusiformis、Euglenapisciformisvar.striata、Euglenaproxima、1Euglenasp.、Euglenasubangustata、Phacustriqueter、Strombomonasacuminatavar.amphora、Strombomonasangusta、StrombomonasfluviatilisEuglenaacus、Euglenaoxyuris、Tra