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1、应用生态学报摇2011年3月摇第22卷摇第3期摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇ChineseJournalofAppliedEcology,Mar.2011,22(3):785-792*庄河海域菲律宾蛤仔底播增殖区自身污染11,21113**袁秀堂摇张升利摇刘述锡摇梁摇斌摇梁玉波摇张国范123(国家海洋环境监测中心,辽宁大连116023;大连海洋大学,辽宁大连116023;中国科学院海洋研究所,山东青岛266071)摘摇要摇采用生物沉积物捕集器和封闭式代谢瓶,周年现场研究了庄河海域菲律宾蛤仔的生物沉积速率、排氨
2、率和排磷率.结果表明:菲律宾蛤仔的生物沉积速率、排氨率和排磷率均具-1-1-1-1有明显的季节变化.生物沉积速率为0郾15~1郾47g·ind·d(年均0郾61g·ind·d);其-1-1-1-1排氨率及排磷率分别为0郾02~0郾40mg·ind·d(年均0郾17mg·ind·d)和0郾01~-1-1-1-10郾39mg·ind·d(年均0郾13mg·ind·d).根据以上结果,估算庄河海域底播增殖菲律76宾蛤仔每年产生的生物沉积物达到5郾46伊10t(干质量),折合有机物9郾07伊10t、有机碳65441郾00伊10t和有机氮1郾18
3、伊10t;而氨氮和磷酸盐分别为1郾49伊10t和1郾15伊10t.表明浅海高密度、规模化菲律宾蛤仔增养殖区自身污染严重,其对环境的影响不可忽视.关键词摇菲律宾蛤仔摇生物沉积摇氮、磷排泄摇自身污染摇庄河海域文章编号摇1001-9332(2011)03-0785-08摇中图分类号摇P76;S967郾5,S967郾6摇文献标识码摇ASelf鄄pollutioninRuditapesphilippinarumbottom鄄culturedareaofZhuanghecoast.YUAN11,21113Xiu鄄tang,ZHANGSheng鄄li
4、,LIUShu鄄xi,LIANGBin,LIANGYu鄄bo,ZHANGGuo鄄fan12(NationalMarineEnvironmentalMonitoringCenter,Dalian116023,Liaoning,China;Dalian3OceanUniversity,Dalian116023,Liaoning,China;InstituteofOceanology,ChineseAcademyofSciences,Qingdao266071,Shandong,China).鄄Chin.J.Appl.Ecol.,2011,2
5、2(3):785-792.Abstract:Byusingsedimenttrapandclosedrespirator,ayear鄄roundinsituinvestigationwasmadeonthebio鄄depositionrate,ammoniaexcretionrate,andphosphateexcretionrateintheRuditapesphilippinarumbottom鄄culturedareaofZhuanghecoast.ThethreetestratesofR.philippinarumallshow
6、edobviousseasonalvariability,withthebio鄄depositionraterangedin0郾15-1郾47g·-1-1-1-1ind·d(annualaverage0郾61g·ind·d),ammoniaexcretionraterangedin0郾02-0郾40-1-1-1-1mg·ind·d(annualaverage0郾17mg·ind·d),andphosphateexcretionraterangedin-1-1-1-10郾01-0郾39mg·ind·d(annualaverage0郾13m
7、g·ind·d).Basedonthese,itwasesti鄄matedthattheannualbio鄄depositproductionbythebottom鄄culturedR.philippinaruminZhuanghe76coastcouldreachashighas5郾46伊10tdrymass,amountingto9郾07伊10torganicmatter(OM),65+1郾00伊10torganiccarbon(OC),or1郾18伊10torganicnitrogen(ON),andtheannualNH鄄N43
8、-44andPO鄄Pproductionswere1郾49伊10tand1郾15伊10t,respectively.Ourresultssuggestedthat4forthelargescaleandhi
