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http∥.scxuebao.cn37420134JOURNALOFFISHERIESOFCHINAVol.37No.4Apr.20131000-0615201304-0545-11DOI10.3724/SP.J.1231.2013.383662012-10-082012-12-14“”、“”2008ZX07101-0072012ZX07101-007S30701E-mailqgliu@shou.edu.cn1121*1.2013062.213161200912—201011AB、D、C31∶4、1∶2、1∶1.5。32714。ABP<0.05。、。8AB、D3。CCA、、。Q178.5S917A、164km21.27m。“”“”。。、。Hypophthalmichthysmolitrix、Aristichthysnobilis。。、、1。2、3-45、、、6-7。。、http∥.scxuebao.cn37。11.130cm1m。2km。0.1m/s。173B33.34hm2D53.34hm2C50.00hm2A1#-8#B9#、10#、11#、C12#、13#、14#、D15#、16#、17#1。200910200912。1950~2850/hm26~11g2850~3750/hm22~3g1。1Tab.1Thespecificstockingsituationoffishindifferentregionsinsideandoutsideoffishpenregion/m3volumn/g/m3biomasstotalH.molitrixA.nobilis∶ratioB416875157.1232.38124.741∶4D667000112.4437.4874.961∶2C62531379.9631.9847.981∶1.51A1#~8#B9#、10#、11#、C12#、13#、14#、D15#、16#、17#。Fig.1SamplesitesinandoutsideoffishpeninGehuLake1to8belongtoAregion91011belongtoBregion121314belongtoCregion151617belongtoDregion.1.2200912—201011。5L10L13#4%T、d、SD、DO、pH1000mLTN、TPaChl.a。8-9。10、11。。1.3Shannon-Wiener645http∥.scxuebao.cn4H'12H'=-∑Si=1N/Ni×LnN/NiMargalefDD=S-1/LnNPielouJJ=H'/LnSYY=Ni/NfiNiiNSfii。Y>0.0213-14。JaccardSj=c/a+b-cabc15。SPSS17.0One-wayANOVA、PearsonCanoco4.5canonicalcorrespondenceanalysisCCA。22.12。、LSD。24Tab.2Theannualaverageenvironmentalparametersof4regionsinsideandoutsideoffishpenenvironmentparametersABCDTN/mg/L2.52±0.692.44±0.692.57±0.552.38±0.64TP/mg/L0.25±0.110.26±0.120.22±0.060.27±0.12NH4-N/mg/L1.33±0.691.26±0.551.37±0.811.21±0.53NO3-N/mg/L1.50±1.001.53±0.841.54±1.101.75±1.10CODMn/mg/L9.11±2.069.16±2.279.12±2.289.04±2.13T/℃17.78±9.4117.50±9.3417.26±8.9517.03±8.80DO/mg/L8.12±2.337.93±2.887.96±1.237.37±1.42SD/m0.20±0.060.19±0.050.20±0.060.19±0.06d/m1.52±0.271.56±0.201.51±0.221.57±0.282.2200912—2010114327143。618.8%。75.0%、、、66.7%、3108.3%。。201027232017。JaccardAB、C、D83.3%。、4、、、、、、133。2.338.4±90.5/L1.194±2.893mg/L。2A54.6±118.7/L1.702±3.811mg/L24.0±50.6/L0.744±1.596mg/L。AB、C、DABP=0.045C30.9±74.0/L1.004±2.393mg/L>D21.8±36.6/L0.660±1.103mg/L>B19.2±30.7/L0.567±0.856mg/L。745http∥.scxuebao.cn373CCATab.3ThecladoceratexainsideandoutsideoffishpenofGehuLakeindifferentseasonsandthesymbolsusedbyCCAsymbolcladoceranswinterspringsummerautumnk1LeptodorarichardiABCABCDc3DiaphanosomaorghidaniACDABCDc4D.dubiumABCDABCDABCc1D.sarsiACDABCDABCDc2D.excisumACABCDABCDDaphniapulexADADD.galeataABCf1D.cucullataABCDACi1CeriodaphniacornutaABABCDABCDC.cornigeraADb3MoinarectirostrisABCDABACDb2M.brachiataABCDABDABCDb1M.micruraBABCDABCDABCDb41Moinasp.ABCDABCDABDa1BosminalongirostrisABCDABCDABCDABCDa2B.fatalisABCDADABCDABCDn1BosminopsisdeitersiABCDe1IlyocryptusagilisBDABCABCDj1MacrothrisroseaAABCDg1LeydigialeydigiiADADAd2AlonaquadrangularisABACAAA.diaphanaADd3A.milleriABCDABCDd5A.rectangulaABDADABDABCDd1A.guttataAACd4A.costataABCDBCDAADl1RhynchotalonafalcataCABCDm1DisparalonarostrataABCDABCDABCDh3ChydorussphaericusABCDABCAACh1C.ovalisABCDBABC.latusADCh2C.gibbusACDABCDA、B、C、D。NotesABCDrespectivelyrepresenteddifferentregions.845http∥.scxuebao.cn424Fig.2Theaveragedensityandbiomassinsideandoutsideoffishpen345AC8254.4±266.8/L7.888±8.582mg/L182.0±50.4/L5.671±1.566mg/LB、D。B747.2±39.5/L1.440±1.209mg/L1091.7±19.5/L2.426±0.576mg/L。D8126.7±9.4/L3.883±0.315mg/L1059.0±6.1/L1.647±0.043mg/L。8AB、D2P<0.01。9B、DCA。2.43、10.47、0.05、0.04。4。134Fig.3Monthlyaveragedensityandbiomassofcladocerainsideandoutsideoffishpen4Tab.4ThedifferencesofbothdominantspeciesandthecorrespondingdominanceamongdifferentseasonsinsideandoutsideoffishpenofGehuLakewinteroutsideinsidespringoutsideinsidesummeroutsideinsideautumnoutsideinside0.260.230.160.210.450.570.450.610.040.020.140.110.120.070.040.040.060.040.030.030.030.030.080.140.030.090.100.070.110.210.120.03945http∥.scxuebao.cn37。、56、、、、、。3。3。107—94。A28.1±67.5/L3C17.5±42.3/L>D14.4±25.5/L>B11.1±21.7/L。6AC。A、C、D38136.5±139.6/L、113.7±41.7/L、88.2±12.5/LB1060.8±12.1/L。78、9。C8.3±24.6/L>A7.6±22.5/L>D3.0±7.1/L>B1.8±5.0/L。0/L。4848.7±53.6/L10.3±14.1/L54.3±4.2/L24.5±5.4/L。AC8B、D。4。4—8A6.7±17.1/LB1.5±2.3/L、D1.1±2.1/LP=0.031P=0.020A828.9±38.3/L。C。3。44Fig.4Monthlyaveragedensityofmaindominantspeciesinsideandoutsideoffishpen2.5Shannon-WienerH'A1.078>B1.014>C1.005>D0.926MargalefDC1.194>A1.181>B1.162>D1.109PielouJC0.646>A0.627>B0.622>D0.572。ShannonD055http∥.scxuebao.cn43A、B、D33AH'DMargalefA、CC、D、A、B3PielouA、B、C、D4C、D5。541.2.3.4.。Fig.5Seasonalvariationofdiversityindicesof4regionsinsideandoutsideoffishpen1.winter2.spring3.summer4.autumn.2.6CCACCA、。27CCA2。CCADCA5.4084CCA。1、20.4220.2300.9110.769。14.9%23.0%-41.8%64.6%5。CCA6。、CODMn、NO3-N、SD。、、、、NO3-NSD、、TP、CODMn、NO3-N。、3。5Tab.5Thecorrelationcoefficientsbetweenenvironmentalfactorsandthefirsttwoordinationaxesparameters1specax12specax2TN/mg/L-0.2177-0.0756TP/mg/L0.1805-0.1139NH4-N/mg/L-0.06080.1824NO3-N/mg/L-0.4648-0.2021CODMn/mg/L-0.3605-0.391T/℃-0.7894-0.0188DO/mg/L-0.17080.0197SD/m-0.33070.3101d/m-0.3733-0.1665155http∥.scxuebao.cn376CCAFig.6CCAordinationdiagrambetweenthecladoceracommunitiesandenvironmentalfactors33.1。。0.23~0.70cm0.20~0.45cm、。A、C、D38B1010B10D1
本文标题:滆湖控藻网围中鲢鳙对枝角类群落结构的影响
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