封閉式對蝦綜合養(yǎng)殖池塘生態(tài)系底質(zhì)變動及生物改良的研究.pdf

1、中國海洋大學(xué)碩士學(xué)位論文封閉式對蝦綜合養(yǎng)殖池塘生產(chǎn)系底質(zhì)變動及生物改良的研究姓名：蘇躍朋申請學(xué)位級別：碩士專業(yè)：水產(chǎn)養(yǎng)殖指導(dǎo)教師：馬甡2003.6.1AbstraclVadagonandassessmentinsedimentalfactorsandbiologicalmendbybiodegradingbacteriaEUEOTOWNandseacucumberinshrimppolycultureenclosurewerestudi

2、edThemainresultswem：1Varietyofsedimenlinshrimpmaricultureecosystem11VariationofroutinefactorsinsedimentofshdmpcultureenclourseAmongroutinefactorslnmariculturesedimentphosphateisagraduaIcoursinqofaccumulationandnilrogenis

3、arapidcoursingofaccumulation，whichcanbothbeusedasindicatorsoforganicpoIlution：sulfidconcentrationvariesbetween001_544ug／gEHshowsasignificantlydecreasingtendencydunngtheaqucultureperiod，bothofwhichcanberegardedassensiblep

4、arametersofsedimentsquality；variationoftotalorganiccarbonisnolregularandC／Nisdecreasingobviously；lherelativeindexsoflhreecontaminationfactorsN、S、Parearragedas：PSNinearlierstageofshdmpculturePNSinlaIer。12Alkalinephosphata

5、seactivityinmadculturesedimentAPAisincreasingwiththecourseofmadculture；totalphosphomstotaInitrogenandlotalorganiccarbonhadsignificanteffectsonAPA1nwhichtotaInitrogenisnegativewithAPA(r=0。513)whiletotaIphosphorusandtotaIo

6、rganiccarbonpositivewithAPAfrTp=O752。rTOC=0801)InadditioninorganicphosphorusandorganicphosphorusarenotcorrelatedwithAPAThisstudyfoundthatAPAcouldbeusedasasensitiveindicatorofecologicalstabilityandindicationoforganicpollu

7、tioninmadculturesediments2BioloqioaJmendofsedimenljnshdmpcu脅reecosystern21BiologicaImendofsedimentbyseaCucumberinshrimpenclosureTheshrimpyieldinshnmptrepangpolycultureenclosuresisoverthecontr01about769％higherandhesu“iaIo

8、fshrimpis148timeasthecontrol；lheculturedlrepanginlreatmenthasasurviaIratioof502％andgrows4963％weighlerthanbeforeItcandrewaconclusionlhalshdmptrepangpolycultureisalraditionaIeffectivewaytooptimalizelhesedimentinshrimppond2

9、2OrganicIoadingassessmenlofmariculturesedimenlinshdmpoysterpolycultureTheconcentrationsofN。SPareincreasingobviouslyTheorganicpollutionintheenclosureswithdifferoysterdensityweredifferentandavalleyimageofrelativeindexofthr

10、eemultiplecontaminationfactorsN、S、Pwereobserved：VJ(12685)II(9814)III(6064)Ⅳ(3305》V(2968)ThetreatmenlVlocaledintheIoweslpointstandfortheoptimumdensityofoysterwhichwas100329／m3or68879kg／muinproductionscaleinadensityof60pra

11、wns／m2pond23BioremediationwithbiodegradingbactedaWiththesupplementofbiodegradingbacteriaSPM2、SPW3、3041andBIOENERGIZER，Theshrimpyieldandsurvivalarenothigherthanthecontrol，2180％and1969％lowerthaRthecontrolinshrimpyield；1763

12、％and492％insurvivalInsedimentalqualityamendingtotalorganiccarbonisdegradingobviouslyintreatmentandtheeffectonphosphateindicatedintheead悖rstage；howeverlhedegradingeffectonnitrogenisnotshowingapparentlyandIhesuppliedbacteda