虎林市月牙湖微囊藻水华爆发时及其后期的藻类丰度和毒素含量

Vol.27No.3Jun.2014CHINESEJOURNALOFFISHERIESMicrocys－tis、Anabaena、Oscillatoria。。、、。。。。、、、、、、、厉威池1，马成学1，郭志伟1，段成伟1，李延博1，高健2Microcystiswesenbergii。××···。·。TheAbundanceandToxinLevelofBlue-greenAlgaMicrocystisinYueyaLakeinHulinCityatandafterBloomOccurrenceLIWei-chi1MACheng-xue1GUOZhi-wei1DUANCheng-wei1LIYan-bo1GAOJian2(1.CollegeofWildlifeResources,NortheastForestryUniversity,Harbin150040,China;2.HeilongjiangVocationalCollegeofBiologyScienceandTechnology,Harbin150025,China)AbstractTheabundanceandtoxinlevelofblue-greenalgaMicrocystiswesenbergiiweremonitoredinYueyaLakeofZhenbaodaoWetlandReservztionAreainHulinCityat(July)andafterbloomoccurrence(Septemberof2013).Itwasfoundthatthealgashowedabundance75×106~198×106ind·L-1andbiomassof107.70~284.33mg·L-1.Thetoxinofthealgavariedfrom0g·L-1to1.84g·L-1,threateningtheanimalandplantsurvival,especiallywildlotus,inZhenbaodaoWetlandReservationArea.Inautumn,however,thetoxinoftheblue-greenalgawasfoundtobechangedfrom0.242g.L-1to0.407g·L-1,showingdamagesforthehealthofindigenouspeo-ple.Keywords:Microcystis;toxin;YueyaLake;Hulin。。°°～。Microcystiswesenbergii。、、。1.1。··1Fig．1SamplingdistributionofYueyaLakeinZhenbaodaoWetlandReservationArea1.21.2.1浮游植物样品的采集和处理《》。。。1.2.2测定微囊藻毒素水样的采集μ。1.2.3微囊藻毒素的测定。。。2.1、××····。、。、、。2.2××····。。2.3～℃、、。。2.4℃、、、。3.1SinapisalbaL、PhaseolusvulgarisLinn.。。Cer－atophyllumdemersum、Myriophyllumver－ticillatum、Lemnaminor、。。Nelum－bonucifera。。。。。3.2Microcystisaeruginosa。、μ·、。。··。3.3、、。。。··1、、Tab.1Abundance,biomassandtoxinlevelsofblue-greenalgaMicrocystiswesenbergiiinJulyof2013×··μ·2、、Tab.2Abundance,biomassandtoxinlevelsofblue-greenalgaMicrocystiswesenbergiiinSeptemberof2013×··μ·3Tab.3PhysicalandchemicalfactorsinallsamplesinJulyof2013℃·····4Tab.4PhysicalandchemicalfactorsinallsamplesinSeptemberof2013℃·······Microcystisaeruginosa、、、Spirodelaoligorrhiza