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231Vol.23,No.120023MARINEFISHERIESRESEARCHMar.,2002:1000-7075(2002)01-0023-06王 俊1 李洪志2(1,266071)(2,262500)1998年5、8和10月分别对渤海近岸水域进行了综合调查,调查的内容包括海洋生物资源、浮游生物、叶绿素以及水文化学要素。作者在对3个航次调查中叶绿素资料分析、整理的基础上报道了渤海近岸水域表层叶绿素a和初级生产力的分布特征及季节变化。渤海近岸水域表层叶绿素a的含量为0.54~16.78mg/m3,平均值为2.88mg/m3,且季节变化明显。5、8和10月3个航次叶绿素的含量依次降低,其平均值分别为3.47mg/m3(1.30~16.78mg/m3),3.01mg/m3(0.58~15.36mg/m3)和2.15mg/m3(0.54~14.09mg/m3)。初级生产力采用叶绿素法测定。计算结果显示,渤海近岸水域初级生产力的平均值具有明显的季节变化,夏季(8月)初级生产力最高,平均为420mgC/m2·d(32~1809mgC/m2·d),春季(5月)次之,平均值为319mgC/m2·d(68~1267mgC/m2·d),再次为秋季(10月),平均值只有189mgC/m2·d(17~1051mgC/m2·d)。整个调查水域3个航次初级生产力的平均值为327mgC/m2·d(17~1809mgC/m2·d)。渤海 叶绿素a 初级生产力:S922.9+1;S932:AStudyonchlorophyllandprimaryproductionininshorewatersoftheBohaiSeaWANGJun1LIHong-zhi2(1YellowSeaFisheriesResearchInstitute,Qingdao266071)(2DepartmentofBiology,WeifangEduacationCollege,Qingzhou262500)ABSTRACTThreecomprehensivesurveyswerecarriedoutininshorewatersoftheBohaiSeainMay,Aug.andOct.,1998,respectively.Thedistributionsandseasonalvariationsofchlorophyll-a(Chl-a)andprimaryproductionbasedonthesurveydatawerereported.IntheinshorewatersoftheBohaiSea,theaverageconcentrationofChl-awas2.88mg/m3(0.5416.78mg/m3),andanobviousseasonalvariationwasfound.ThehighestconcentrationappearedinSpring(May),average3.47mg/m3(1.3016.78mg/m3).SecondinSummer(Aug.),average3.01mg/m3(0.5815.36mg/m3).ThirdinAutumn(Oct.),average2.15mg/m3(0.5414.09mg/m3).PrimaryproductionwasestimatedfromtheChl-adata.ThecalculatedresultsindicatedaclearseasonalvariationinprimaryproductionintheinshorewatersoftheBohaiSea.TheprimaryproductioninMay,Aug.andOct.were319mgC/m2:2001-04-06;:2001-08-08d(681267mgC/m2d),420mgC/m2d(321809mgC/m2d)and189mgC/m2d(171051mgC/m2d),respectively.KEYWORDSBohaiSeaChlorophyll-aPrimaryproduction,,,,,,199858103,,19983,a11.1199858103,,381.2,0.45m500ml,-20a,90%,TUNNER101.3a:CChl-a=Fd(Rb-Ra)vV,,CChl-aa(mg/m3),Fd(mg/m3),RbRa,v(ml),V(ml),CadeHegeman(1974):P=PSED2,,P(mgC/m2d),PS(mgC/m2h),E(m),D(h),(1m)(PS)a:PS=CaQ,,Caa(mg/m3),Q(mgC/mgChl-ah)(E)3(Yukuya1980)(Q)3.7(Ryther1969)22.1a,199858a,1116.78mg/m3,10a,514.09mg/m3(1),50251,8025111511061833462,16.7815.3611.5613.5314.09mg/m324231aFig.1DistributionofChl-aininshorewatersoftheBohaiSea251:a0.5416.78mg/m3,2.88mg/m3(5)a3.47mg/m3(1.3016.78mg/m3),,3.99mg/m3,,3.57mg/m33.54mg/m3,,2.75mg/m3(8)a3.01mg/m3(0.5815.36mg/m3),,a,4.53mg/m3,,3.69mg/m3,2.21mg/m3,,1.63mg/m3(10)a,2.15mg/m3(0.5414.09mg/m3),3,a,3.46mg/m3,,2.77mg/m3,1.45mg/m30.93mg/m3(2)2aFig.2SeasonalvariationsofChl-aininshorewatersoftheBohaiSea2.2,,680mgC/m2d,272mgC/m2d,1410mgC/m2d,,282mgC/m2d,448mgC/m2d,,224mgC/m2d(3)171809mgC/m2d,327mgC/m2d,,681267mgC/m2d,319mgC/m2d,464mgC/m2d;,316mgC/m2d;,271mgC/m2d;,242mgC/m2d,,321809mgC/m2d,420mgC/m2d,,820mgC/m2d,,487mgC/m2d,,329mgC/m2d316mgC/m2d,171051mgC/m2d,189mgC/m2d(3-A),,253mgC/m2d235mgC/m2d,,134mgC/m2d,,87mgC/m2d(4)3a,3,,,,1,a,,,,(2526),910,,,,26233Fig.3DistributionofprimaryproductionininshorewatersoftheBohaiSea271:4Fig.4SeasonalvariationsofprimaryproductionininshorewatersoftheBohaiSea,a,(0.078mm),,,(1995),,,a;a,a(a)(19881997;Ryther1957;Eppley1985),(Q)Ryther(1969)3.7,(1993)3.53,,,,.1991..:,C.C.Trees,.1997..,15(1):3547,,,.1988..,10(4):481489,,.1995..,26(1):2127CadeG.C.,HegemanJ..1974.NetherlandsJournalofSeaResearch,3(2):240259EppleyR.W.StewartE.andAbbottM.R..1985.Estimatingoceanprimaryproductionfromsatellitechorophyll.J.PlanktonRes.,7(1):5770RytherJ.H..1969.Photosynthesisandfishproductioninthesea.Science,166:7276RytherJ.H.,YentschC.S..1957.Theestimationofphytoplanktonproductionintheoceanfromchlorophyllandlightdata.Limnol.Oceanogr.,2:281286YukuyaY.,ShuneiI..1980.La.Mer.,18(2):82882823
本文标题:渤海近岸叶绿素和初级生产力研究
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