Seasonal distribution of macrozoobenthos in relation to environmental factors in Hangzhou Bay

SHOU Lu; ZENG Jiangning; LIAO Yibo; GAO Aigen; XU TING; YANG Jiaxin; CHEN Quanzheng

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Article Navigation > Haiyang Xuebao > 2012 > 34(6): 151-159

SHOU Lu, ZENG Jiangning, LIAO Yibo, GAO Aigen, XU TING, YANG Jiaxin, CHEN Quanzheng. Seasonal distribution of macrozoobenthos in relation to environmental factors in Hangzhou Bay[J]. Haiyang Xuebao, 2012, 34(6): 151-159.

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Seasonal distribution of macrozoobenthos in relation to environmental factors in Hangzhou Bay

1.
Laboratory of Marine Ecosystem and Biogeochemistry of State Oceanic Administration, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China;College of Life Sciences, Nanjing Normal University, Nanjing 210046, China
2.
Laboratory of Marine Ecosystem and Biogeochemistry of State Oceanic Administration, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China
3.
Hangzhou June-5 Environment Technology Co., Ltd, Hangzhou 310012, China
4.
College of Life Sciences, Nanjing Normal University, Nanjing 210046, China

Received Date: 2011-11-22
Rev Recd Date: 2012-06-05

Abstract

Abstract

To evaluate the seasonal distribution of macrozoobenthos and its relationship with environmental factors in the Hangzhou Bay, four cruise surveys were carried out in summer, winter, spring and autumn during 2006-2007. A total of 113 species were identified with the dominant groups of polychaetes, mollusks and crustaceas. Aglaophamus dibranchis, Amaeana occidentalis and Nephtys polybranchia were the dominant species in this area. Based on the results of analysis of variance, no significant seasonal differences were found in community parameters except for the crustacea density. Both the Bray-Curtis similarity analysis and non-metric multidimensional scaling analysis showed no obvious differences of community composition were observed in the Bay. Indicating a relatively simple macrobenthic community feature. The abundance/biomass curves showed that macrobenthic communities were disturbed in autumn. The canonical correspondence analysis showed that the polychate was mainly affected by the physical variables, while mollusk, crustacea and other taxa were mostly influenced by the biological and chemical parameters were the main factors influencing. The result of CCA also could inferred that the macrobenthos in the Hangzhou Bay were primarily influenced by the natural environment features, rather than the human activities.
- Hangzhou Bay,
- macrozoobenthos,
- environmental correlation analysis

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References(24)

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