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当前位置: 首页 > 文章 > 乳山湾春秋季大型底栖动物生态学特征 海洋湖沼通报 2013 (4) 82-90
Position: Home > Articles > ECOLOGICAL CHARACTERISTICS OF MACROBENTHOS FROM RUSHAN BAY IN SPRING AND AUTUMN Transactions of Oceanology and Limnology 2013 (4) 82-90

乳山湾春秋季大型底栖动物生态学特征

作  者：
赵宁;季相星;王振钟;于子山;杨传平
单  位：
中国海洋大学海洋生命学院
关键词：
乳山湾;大型底栖动物;丰度;生物量;群落结构
摘  要：
2011年5月(春季航次)、10月(秋季航次)对乳山湾湾内及湾口进行了21个站位的大型底栖动物调查,共发现大型底栖动物161种(春季航次120种,秋季航次108种),其中多毛类83种,软体动物24种,甲壳动物40种,其它类群14种。通过比较IRI指数发现,中蚓虫(Mediomastus sp.)、足刺拟单指虫(Cossurella aciculata)、矮小稚齿虫(Prionospio pygmaea)、多丝独毛虫(Tharyx multifilis)在2个航次中均作为优势种出现。本次调查,春季航次大型底栖动物的生物多样性指数在0.673~4.528,平均值为3.335;秋季航次在0.272~4.086,平均值为3.198。调查海域内,春季航次大型底栖动物的总平均丰度为2914.57ind./m2,总平均生物量为494.98g/m2;秋季航次总平均丰度为2771.59ind./m2,总平均生物量为69.45g/m2。以40%相似性水平上,可将春季航次划为6个站组,秋季航次5个站组。
译  名：
ECOLOGICAL CHARACTERISTICS OF MACROBENTHOS FROM RUSHAN BAY IN SPRING AND AUTUMN
作  者：
ZHAO Ning;JI Xiangxing;WANG Zhenzhong;YU Zishan;YANG Chuanping;College of Marine Life Sciences,Ocean University of China;
关键词：
Rushan Bay;;macrobenthos;;abundance;;biomass;;community structure
摘  要：
Macrobenthos was investigated at 21stations in Rushan Bay in both May and October,2011. A total of 161species(120species in May;108species in October)were found,including 83species of Polychaeta,24species of Mollusca,40species of Crustacea,and 14species of other taxa.Comparing the IRI(Indices of relative importance)index,it is found that Mediomastus sp.,Cossurella aciculata, Prionospio pygmaea,and Tharyx multifilis were the dominant species in both the two survey.The average abundance of macrobenthos was 2914.57ind./m2 in spring and 2771.59ind./m2in autumn; and the average biomass was 494.98g/m2in spring and 69.45g/m2in autumn.The range of ShannonWiener index of macrobenthos in the investigated waters was 0.673~4.528in spring,with an average of 3.335.While,in autumn,the number was 0.272~4.086,with an average of 3.198.With 40%similarity scale,the 21stations were divided into 5~6groups.There were 6groups in spring and 5groups in autumn.

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