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当前位置:首页 > 商业/管理/HR > 质量控制/管理 > 氮磷对水华束丝藻生长及生理特性的影响刘永梅
:2006-01-09;:2007-12-27:973[2002CB412300];(2002AA601011):(1979—),,;;。E-mail:liuymei@ihb.ac.cn:,E-mail:liuyd@ihb.ac.cn刘永梅1,2 刘永定1 李敦海1 沈银武1(1., 430072;2., 430072):,BG11,(25±1)℃,20μE/m2·s,/16h:8h,28d,(OD665)“S”;,N、P,([NO-3-N]:1.6—245.1mg/L;[PO3-4-P]:0.3—1.4mg/L),N、P,([NO-3-N]245.1mg/L;[PO3-4-P]6.9mg/L),;N、PⅡ(Fv/Fm)(p0.01);,N、P、;N、P,,BG11(p0.05)。,N、P,,。:;;;;;/;:Q935 :A :1000-3207(2007)06-0774-06 ,,,[1—3],。,,,。,,Na+,,,[4]。、,,“”[5]。2090,,;,,。,,,,。,,。20033,,[6],、,[7]。(Nitratereductase,NR)、(Acidphos-phatase,ACP)、(Alkalinephosphatase,ALP)Ⅱ(,Fv/Fm),。316Vol.31,No.6200711ACTAHYDROBIOLOGICASINICANov.,2007 1 1.1 ,,,BG11。:(25±1)℃,20μE/m2·s,pH8.0。1.2 1.2.1 10BG11,,3mL,UV3000/(Ultrospec·3000,PharmaciaBiotech,BiochromLtd.,England)665nm,[8]。:μ=(At1-At2)/Δt;:μ—;At1—t1;At2—t2;Δt—,d。1.2.2 N、P BG11,NO-3-N、PO3-4-P,,NO-3-N、PO3-4-P,。(25±1)℃,40μE/m2·s。1NO-3-N、PO3-4-P。1 NO-3-N、PO3-4-PTab.1 ConcentrationsofNO-3-N、PO3-4-PusedinthisexperimentNO-3-N(mg/L)PO3-4-P(mg/L)No.N-0N-1N-2N-3N-4N-5N-6N-7P-0P-1P-2P-3P-4P-5P-6P-7Concentration06.212.424.861.8123.5247.1494.200.140.270.541.352.75.410.81.2.3 N、P(Fv/Fm) NO-3-N、PO3-4-P,,3mL,(PHYTO-PAM,WalzGmbH,Ger-many)。,(Yield)II(PSⅡ),Fv/Fm(Fv,;Fm,)[9]。1.2.4 3mLN、P,(4℃,5000r/min×8min),,2mL(0.2mol/L,pH7.8),。(4℃,9000r/min×15min),,-20℃。1.2.5 (NR)ChamanandHarrison[10]《》[11],。1mL,1mL0.1mol/LKNO3,30℃30min,1mL,1mL(1%,3mol/L),1mLα-(0.02%),15min,520nm(OD520)。(μg/mgPro/h)。1.2.6 / /(ACP/ALP)(p-NPP)[12—13]。0.5mL,2mLp-NPP(5mmol/L,,pH5.6),25℃60min,1mL0.5mol/LNaOH,400nm。p-NPP(4-Nitrophenol)(μg/mgPro/h),(pH8.2)。1.2.7 SPSS11.5(One-wayANOVA,Tukey)。2 2.1 BG11,28,10,22,6,,“S”(1)。::μ=0.042,:μ=0.123,:μ=0.0025,6:775 :μ=-0.015(μ,)。1 BG11Fig.1 ThegrowthcurveofA.flos-aquaeinBG11medium2.2 N、PN、P,,N、P,,。,N、PN:24.8—247.1mg/L,P:0.54—10.8mg/L(2,3)。2 NO-3-NFig.2 EffectofdifferentNO-3-NconcentrationonthegrowthofA.flos-aquae3 PO3-4-PFig.3 EffectofdifferentPO3-4-PconcentrationonthegrowthofA.flos-aquae2.3 N、PFv/FmNFv/Fm(p0.05),NFv/Fm,N、PN:12.4—247.1mg/L、P:0.27—10.8mg/L,Fv/Fm(4)。4 N、PFv/FmFig.4 EffectofdifferentNandPconcentrationonPSⅡefficiencyinA.flos-aquae2.4 N、PNRNR。(6.2mg/L),NR(BG11,p0.05);NR,[NO-3-N]=12.4—61.8mg/L;[NO-3-N]=123.1/mg/L,NR([NO-3-N]=123.1mg/L,NRactivity=0.4314μg/mgPro/h),(5)。NR。2.5 N、PACP/ALPACP。,ACP,ALP(6)。ALP。ALP。,ACP,[PO3-4-P]0.14—10.8mg/L,ACP776 31(p0.05,7)5 N、PNRFig.5 ResponseofNRactivityinA.flos-aquaetodifferentNandPconcentration6 NO-3-NACP/ALPFig.6 ResponseofACPandALPactivitiesinA.flos-aquaetodifferentconcentrationsofNO-3-N7 PO3-4-PACP/ALPFig.7 ResponseofACPandALPactivitiesinA.flos-aquaetodifferentconcentrationsofPO3-4-P3 ,[3],N、P,,,。,。NR、ACP、ALPFv/Fm,。,,,,,。:,,,,;,,。[14,15]。a(Fv)(Fm)Ⅱ(PSⅡ),[16],PSⅡFv/Fm。,N、PFv/Fm,N、P12.4—247.1mg/L0.27—10.8mg/L,Fv/Fm。N、P,,,2004,N、P。,([NO-3-N]=06.2mg/L),PSⅡ,,,。(NR),,6:777 ,,[10]。,NR。,NR。Dortch(Skeletonemacostatum),,NR[17]。,NR---,,,,。,,。,NR[18]。,NRNO-3-N;N123.5mg/L(BG11N),NR,,,。。,,,,,、[19]。(ALP)[20],,ALP[21],。(ACP),,[22]。,NACPALP。N,ACP,,。ALP,NR,,ALP,ALP,,ALP,,,,。:[1] ShenPP,ShiQ,HuaZC,KongFX,etal.Analysisofmicro-cystinsincyanobacteriabloomsandsurfacewatersamplisfromMeil-iangBay,TaihuLake,China[J].Environ.Int.,2003,29:641—647[2] ShenYW,LiuYD,WuGQ,etal.Mechanicalremovalofheavycyanobacterialbloominthehyper-eutrophicLakeDianchi[J].ActaHydrobiologicaSinca,2004,28(2):131—136[,,,..,2004,28(2):131—136][3] HuangZM.PreventionandcureofAphanizomenonsp.Bloom[J].InlandAquiculture,1997,11(1):24[..,1997,11(1):24][4] AdelmanWJ,FohlmeisterJF,SasnerJJ,IkawaM.Sodiumchan-nelblockedbyaphantoxinobtainedfromtheblue-greenalga,Apha-nizomenonflos-aquae[J].Toxicon,1981,20(2):513—516[5] AlamM,IkawaM,SasnerJJ,SawyerPJ.PurificationofAphani-zomenonflos-aquaetoxinanditschemicalandphysilulgicalproperties[J].Toxicon,1972,11:65—72[6] LiuYM,LiuYD,LiDH,etal.BioassayforthetoxicityofApha-nizomenonflos-aquaebloomfromLakeDianchi[J].ActaHydrobio-logicaSinica,2004,28(2):216—218[,,,..,2004,28(2):216—218][7] LiuYM,ChenW,LiDH,etal.FirstreportofaphantoxinsinChina-waterbloomsoftoxigenicAphanizomenonflos-aquaeinLakeDianchi[J].Ecotoxicol.Environ.Safety,2006,65(1):84—92[8] TakanoK,HinoS.Effectoftemperatureandsolublereactivephos-phorusonabundanceofAphanizomenonflos-aquae(Cyanophyceae)[J].Phycol.Res.,2002,48:9—13[9] SchofieldO,EvensTJ,MillieDF.PhotosystemⅡquantumyieldsandxanthophylls-cyclepigmentsofthemacroalgaSargassumnatans(phaeophyceae):responsesundernaturalsunlight[J].J.Phycol.,1998,34:104—112[10] ChapmanDJ,HarrisonPJ.Nitrogenmetabolismandmeasurementofnitratereductaseactivity[A].In:LobbanCS,ChapmanDJ,Kre-merBP(Eds.),Experimentalphycology:alaboratorymanual[C].London:CambridgeUnivirsityPress.1988,196—200[11] LiHS,SunQ,ZhaoSJ,ZhangWH.Principleandtechniqueonplantphysiologicalbiochemicalexperiment[M].Beijing:HigherEducationPress.2000,125—128[,,,..:.2000,125—128][12] SunHG,ZhangFS.Effectofphosphorusdeficiencyonactivityofacidphosphataseexudedbywheatroots[J].AppliedEcocol.,2002,13(3):379—381[,..,2002,13(3):379—381][13] XuGH,ZhengHY,etal.Manualonanalysisofedaphicmi-778 31croorganism[M].ChineseAgricultu
本文标题:氮磷对水华束丝藻生长及生理特性的影响刘永梅
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