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Seasonal variability of the zooplankton community in the southwest of the Huanghai Sea (Yellow Sea) Cold Water Mass
作者姓名:LIU Ping  SONG Hongjun  WANG Xiao  WANG Zongling  PU Xinming  ZHU Mingyuan
作者单位:[1]The First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China [2]Key Laboratory of Science and Engineering for Marine Ecological Environment, State OceanicAdministration, Qingdao 266061, China
基金项目:The National Offshore Comprehensive Marine Investigation and Assessment Project under contract No. 908-01-ST03; the National Key Basic Research Project under contract No. 2010CB428703; the Fundamental Research Funds for the First Institute of Oceanography under contract No. GY02-010T05; the China-Korea Cooperative Research on the Yellow Sea Cold Water Mass.
摘    要:Samples were collected with a plankton net in the four seasonal cruises during 2006-2007 to study the seasonal variability of the zooplankton community in the southwest part of Huanghai Sea Cold Water Mass (HSCWM, Yellow Sea Cold Water Mass). The spatial and temporal variations of zooplankton species composition, biomass, abundance and biodiversity were examined. A total of 122 zooplankton species and 30 pelagic larvae were identified in the four cruises. Calanus sinicus and Aidanosagitta crassa were the most dominant species, and Themisto gaudichaudi and Euphausia pacifica were widely distributed in the HSCWM area. The spatial patterns of non-gelatinous zooplankton (removing the high water content groups) were similar to those of the total zooplankton biomass in autumn, but different significantly in the other three seasons. The seasonal means of zooplankton biomass in spring and summer were much higher than that in autumn and winter. The total zooplankton abundance averaged 283.5 ind./m~3 in spring (highest), 192.5 ind./m~3 in summer, 165.5 ind./m~3 in autumn and 65.9 ind./m~3 in winter (lowest), and the non-gelatinous groups contributed the most total abundance. Correlation analysis suggests that the non-gelatinous zooplankton biomass and abundance had a significant positive correlation in the whole year, but the relationship was insignificant between the total zooplankton biomass and abundance in spring and summer. The diversity index H of zooplankton community averaged 1.88 in this study, which was somewhat higher than historical results. Relatively low diversity in summer was related to the high dominance of Calanus sinicus, probably due to the strongest effect of the HSCWM in this season.

关 键 词:浮游动物群落  黄海冷水团  季节变化  西南地区  浮游动物生物量  生物多样性  中华哲水蚤  指数平均
收稿时间:2011/8/20 0:00:00
修稿时间:2012/4/21 0:00:00

Seasonal variability of the zooplankton community in the southwest of the Huanghai Sea (Yellow Sea) Cold Water Mass
LIU Ping,SONG Hongjun,WANG Xiao,WANG Zongling,PU Xinming,ZHU Mingyuan.Seasonal variability of the zooplankton community in the southwest of the Huanghai Sea (Yellow Sea) Cold Water Mass[J].Acta Oceanologica Sinica,2012,31(4):127-139.
Authors:LIU Ping  SONG Hongjun  WANG Xiao  WANG Zongling  PU Xinming and ZHU Mingyuan
Institution:The First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China;Key Laboratory of Science and Engineering for Marine Ecological Environment, State Oceanic Administration, Qingdao 266061, China
Abstract:Samples were collected with a plankton net in the four seasonal cruises during 2006-2007 to study the seasonal variability of the zooplankton community in the southwest part of Huanghai Sea Cold Water Mass (HSCWM, Yellow Sea Cold Water Mass). The spatial and temporal variations of zooplankton species composition, biomass, abundance and biodiversity were examined. A total of 122 zooplankton species and 30 pelagic larvae were identified in the four cruises. Calanus sinicus and Aidanosagitta crassa were the most dominant species, and Themisto gaudichaudi and Euphausia pacifica were widely distributed in the HSCWM area. The spatial patterns of non-gelatinous zooplankton (removing the high water content groups) were similar to those of the total zooplankton biomass in autumn, but different significantly in the other three seasons. The seasonal means of zooplankton biomass in spring and summer were much higher than that in autumn and winter. The total zooplankton abundance averaged 283.5 ind./m3 in spring (highest), 192.5 ind./m3 in summer, 165.5 ind./m3 in autumn and 65.9 ind./m3 in winter (lowest), and the non-gelatinous groups contributed the most total abundance. Correlation analysis suggests that the non-gelatinous zooplankton biomass and abundance had a significant positive correlation in the whole year, but the relationship was insignificant between the total zooplankton biomass and abundance in spring and summer. The diversity index H of zooplankton community averaged 1.88 in this study, which was somewhat higher than historical results. Relatively low diversity in summer was related to the high dominance of Calanus sinicus, probably due to the strongest effect of the HSCWM in this season.
Keywords:zooplankton  Huanghai Sea ColdWater Mass (Yellow Sea ColdWater Mass)  seasonal variability  community structure  southern Huanghai Sea (Yellow Sea)
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