Spatial and temporal variations of macro-and mesozooplankton community in the Huanghai Sea (Yellow Sea) and East China Sea in summer and winter |
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Authors: | CHEN Hongju QI Yanping and LIU Guangxing |
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Institution: | Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao 266100, China |
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Abstract: | The study was conducted during two cruises of June-August 2006 (summer), and January-February
2007 (winter) in the Huanghai (Yellow) Sea and East China Sea. Spatial and temporal variations of
zooplankton abundance, biomass and community structure and its relation to currents and water
masses over the continental shelf were examined. A total of 584 zooplankton species/taxa and
28 planktonic larvae were identified during the two surveys. Copepods were the most abundant
component among these identified groups. Zooplankton abundance and biomass fluctuated widely
and showed distinct heterogeneity in the shelf waters. Five zooplankton assemblages were identi-
fied with hierarchical cluster analysis during this study, and they were Huanghai Sea Assemblage,
Changjiang Estuary Assemblage, Coastal Assemblage, East China Sea Mixed-water Assemblage
and East China Sea Offshore Assemblage. Seasonal changes of zooplankton community composi-
tion and its geographical distribution were detected, and the locations of the faunistic areas overlap
quite well with water masses and current systems. So we suggest that the zooplankton community
structure and its changes were determined by the water masses in the Huanghai Sea and East China
Sea. The results of this research can provide fundamental information for the long-term monitoring
of zooplankton ecology in the shelf of Huanghai Sea and East China Sea. |
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Keywords: | zooplankton abundance biomass community structure the Huanghai Sea (Yellow Sea) the East China Sea |
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