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1、第23卷第2期海洋水產(chǎn)研究VoI．23。NO．22OO2年6月MARINEFISHERIESRESEARCHJun．，2002文章編號(hào)：1000—7075(2002)02—0007—05對(duì)蝦養(yǎng)殖對(duì)萊州灣氮、磷、COD的貢獻(xiàn)馬紹賽辛福言曲克明(中國水產(chǎn)科學(xué)研究院黃海水產(chǎn)研究所，青島266071)摘要整理統(tǒng)計(jì)了萊州灣主要有機(jī)污染物入海通量，并于1998年7月，調(diào)查了萊州灣灣頂部對(duì)蝦養(yǎng)殖區(qū)進(jìn)、排水中氮、磷及COD的濃度，初步估算出對(duì)蝦病害發(fā)生后(1993年)，對(duì)蝦養(yǎng)殖過程中排入海中COD的增量平均約為1173．4t／a，為黃河年排放量的0．54％，小清河年排放量的0．29％；無
2、機(jī)氮的增量平均為45．1t／a，為黃河年排放量的1．79％，小清河年排放量的1．1O。對(duì)蝦病害發(fā)生后(1993年后)萊州灣沿岸對(duì)蝦養(yǎng)殖的有機(jī)污染較黃河和小清河小的多。關(guān)鍵詞萊州灣對(duì)蝦養(yǎng)殖氮、磷化學(xué)需氧量中圖分類號(hào)：X13；X835；S968．22文獻(xiàn)識(shí)別碼：AContributionofshrimpculturetoIN，IPandCODintheLaizhouBayMAShao—saiXINFu—yanQUKe—ming(YellowSeaFisheriesResearchInstitute，Qingdao266071)ABSTRACTIn1993，theepidemi
3、camongculturedshrimpbrokeout．ProductionofprawncultureintheLaizhouBayalsocollapsedtolowvalleyduetotheonslaughtofvirulentdis—eases．Sincethen，greatchangeshavetakenplaceinshrimpculturepractices．Closedorsemi—closedculturemodeswithlowerstockingdensity，lessquantityofshrimpfeedandvolumeofrenewedw
4、aterweremostlyused．Accordingly，organic-richparticulatewaste，shrimpfaeces，inorganicnitrogen，inorganicphosphorusanddissolvedorganicdischargeddirectlyintotheLaizhouBaydecreasedingreatquantity．Inthispaper，thedischargedfluxofmajororganicpollutantsintheLaizhouBaywassortedoutandanalyzedstatistic
5、ally．Meanwhile，investiga—tionwascarriedonintheconcentrationsofnitrogen，phosphorusandCODindischargedefflu—entwaterandreceivingwaterinthecultureareainthetopoftheLaizhouBayinJuly1998．ItwasestimatedpreliminarilythattheincreasedamountofCODdischargedintotheseawasabout1173．4t／aontheaverageinthep
6、eriodfrom1993topresent，accountingfor0．54ofdischargedamountfromtheYellowRiverand0．29ofdischargedamountfromXiaoqingRiv—er；theincreasedamountofINwas45．1t／aontheaveragewhichwas1．79ofdischargedamountfromtheYellowRiverand1．10ofdischargedamountfromXiaoqingRiverrespec—tively．Organicpollutioncause
7、dbyshrimpculturealongthecoastoftheLaizhouBay社會(huì)公益研究專項(xiàng)資金項(xiàng)目(NO．2001DIB10082)資助收稿日期：2002—03—11；接收日期：2002—03—288海洋水產(chǎn)研究第23卷wasmuchlessthanthatbyYellowRiverandXiaoqingRiveraftertheepidemicarosein1993．KEYWORDSLaizhouBayShrimpcultureNitrogenPhosphorusCOD萊州灣是渤海三大內(nèi)灣之一，是重要的漁業(yè)資源
