哈尔滨西泉眼水库夏季浮游植物群落结构动态特征

J．LakeSci．2015274667-678DOI10．18307/2015．04152015byJournalofLakeSciences*12＊＊221111115106112150040．1378．71698349．11%4727．81%158．88%2．10．92×105～88．44×105cells/L51．6×105cells/L83#2．61～22．44mg/L10．37mg/L85#．Shannon-Wiener2．46～4．693．33712#．Cyclotellameneghiniana、Synedraulna、PhormidiumallorgeiPlanctonemasp．．12、3、、．．．EcologicalfactorsandphytoplanktoncommunitystructureinXiquanyanＲeservoirHar-binP．Ｒ．ChinaWANGJianguo1YUHongxian2MAChengxue2YAOYunlong2WANGYijie1MAJinlong1TANGHongliang1LIUZhuangtian1＆LILi11PearlＲiverHydraulicＲesearchInstituteGuangzhou510611P．Ｒ．China2WildlifeＲesourceCollegeNortheastForestryUniversityHarbin150040P．Ｒ．ChinaAbstractXiquanyanＲeservoirasthesecondwatersourceplaceofHarbinwhosewaterecosystem'sstateofhealthneedstobemonitoredeffectively．Inthisstudythereservoirandupperriversweresampledat13points9ofwhichwereinthereservoirareaandtheothersintheinflow-riverarea．InJulyandAugustof2010thephytoplanktonwerebothqualitativeandquantitativestud-iedalongwiththeinvestigationonthewaterenvironmentalfactors．Theresultsshowedthatintotal7phyla169specieswereidentifiedthemajorityofwhichwereChlorphyta83speciesBacillaroiphyta47speciesandCyanophyta15species．TheotherswerelistedasEuglenophyta12speciesChrysophyta6speciesPyrrophyta4speciesandCryptophyta2species．Insummerthephytoplanktonabundanceandbiomasswere10．92×105－88．44×105cells/Lthemeanvalueis51．6×105cells/Land2．61-22．44mg/Lthemeanvalueis10．37mg/Lrespectively．TheShannon-Wienerindexwasbetween2．46-4．69withthemeanvalueof3．33．MoreoverCyclotellameneghinianaSynedraulnaPhormidiumallorgeiandPlanctonemasp．werethe＊＊＊40830535、2014zx0892572014EA07-04．2014-06-162014-11-14．1986～[e-mail]@163．com．668J．LakeSci．2015274keydominantspeciesinsummer．Canonicalcorrespondenceanalysiswasusedtoanalysisthephytoplanktoncommunitystructureandtheirrelationshipwithenvironmentalfactors．Theresultsshowedthat1Thephytoplanktoncommunityindifferentsamplingsitesreflectedsignificantspatialandtemporalheterogeneity2Theestuaryarealakecentraldistrictandthedamareawereofsignificantdifferenceandtheriverwaterqualitywassignificantlybetterthanthatinreservoirarea3Ammonianitratetotalni-trogenandtotalphosphoruswerethemaindrivingfactorsofphytoplanktonpopulations．ThisstudysuggestedthattheXiquanyanＲeservoirwaterbodyhasbeeninmoderateeutrophicationlevelandthereisariskoffurthereutrophication．Thereforewepro-posedreservoirmanagementdepartmentstoestablishthesystemofecosystemhealthmonitoringassessingandearly-warningtoen-surethesafetyofHarbinwatersupply．KeywordsPhytoplanktoncommunitystructureXiquanyanＲeservoirupperriversecologicalfactorsCanonicalcorrespon-denceanalysis、．1．2009《》26IV20．2．34-5．、、6-7．、82、、．2005．9、10、111213-CO2．．．11．145°12'～45°20'N127°17'～127°25'E1996Ⅱ4．78×108m312m．．1146km232%．、563mm6970%．1．21．2．11311#、2#3#、、4#5#、6#7#、、8#9#10#11#12#13#．GarminGPS12．20107、8．1．2．2、25#0．5m“∞”．5L0．5m、、0．5m24h48h30ml．0．1ml0．1ml6691Fig．1SamplingsitesofphytoplanktoninXiquanyanＲeservoirMoticBA400、、14．1．2．3、pH、DO、CONDYSI-6200TN、TP、NO－3-N、NH3-N、aChl．a、CODMnCl－15．1．3、《》16Lampittyy＞0．0217Shannon-WienerH'18．CCA19-20CCA．OriginPro8．1．CANOCO4．5CCAlgx+1．22．10．3～16．5m18．65～26．25℃0．30～1．35m5．1～34．4FTUpH7．4～9．92DO4．75～7．53mg/LCOND0．002～0．204μS/cmCl－2．7～13．5mg/LNO－3-N0．21～1．67mg/LCODMn3．0～6．4mg/L1．P＜0．05n=10．670J．LakeSci．20152741Tab．1Thespatial-temporaldisrtibutionofenvironmentalvariablesinthesummerinXiquanyanＲeservoir72#4#5#6#8#9#10#11#12#13#/m4．84．013．516．014．226．00．40．50．60．38．0/℃25．3024．0826．2524．9125．3026．2022．4121．8522．3622．9224．16/m0．820．641．041．020．991．000．400．500．300．300．70pH9．258．459．929．479．749．847．647．407．958．398．81DO/mg/L5．564．756．155．175．846．097．126．457．097．296．15/FTU34．432．115．531．524．916．55．17．29．89．218．62COND/μS/cm0．0020．1490．1580．1520．1540．1570．1650．1910．2040．2010．15Cl－1/mg/L2．708．9114．358．9511．1110．456．416．299．8113．559．25NO－3-N/mg/L0．550．530．690．600．590．640．721．670．551．620．82CODMn/mg/L5．96．45．66．06．26．14．55．34．84．95．682#4#5#6#8#9#10#11#12#13#/m3．903．1511．0013．0016．5016．000．350．400．750．336．54/℃23．4224．6823．7523．7823．9123．3419．0719．1318．6719．0221．88/m0．700．760．751．010．961．350．350．400．650．330．73pH8．459．459．369．379．478．848．048．287．787．798．68DO/mg/L5．986．906．466．546．585．697．536．996．126．096．49/FTU15．615．711．511．611．611．127．914．222．121．116．2CODN/μS/cm0．1480．1510．1500．1500．1500．1490．1510．1630．1390．1480．150Cl－1/mg/L4．9011．6110．0510．5410．558．554．154．133．374．407．23NO－3-N/mg/L0．210．230．280．330．310．340．280．230．240．310．28CODMn/mg/L3．63．53．03．33．73．13．13．13．03．33．3GB38382002NH3-NⅢTPTNⅢ72#、9#82．Chl．a218Chl．a7．78Chl．aP＜0．05n=10P＞0．05n=10．2．271698349．11%4727．81%158．88%127．10%63．6%42．4%21．2%．--．----323．P＜0．05n=13．、8Chl．a10μg/L．7810、6712Chl．aFig．2Thespatial-temporalvariationsofthemainnutrientsandchlorophyll-aconcentrationinXiquanyanＲeservoir3Fig．3Thespeciesofphytoplanktoninreservoirareacomparedwithinflow-riverareainXiquanyanＲeservoir2．．78．、．2．3、1#、2#3#4#5#、6#7#、8#9#672J．LakeSci．20152742、*Tab．2DominantspeciesandabundanceenvironmentalindicatorclassofphytoplanktoninsummerinXiquanyanＲeservoir/×105cells/Lfy16779．201．000．07α～β-ms29．40