Journal
MARINE POLLUTION BULLETIN
Volume 105, Issue 1, Pages 58-64Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2016.02.067
Keywords
Free-living marine nematode; Seasonal variations; Biodiversity; Community structure; Trophic structure; Yellow Sea Cold Water Mass
Funding
- National Natural Science Foundation of China [41576135]
- Fundamental Research Funds for Central Universities of the Ministry of Education of China [201462008]
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The Yellow Sea Cold Water Mass is a remarkable seasonal hydrographic event in the bottom water of the Yellow Sea. In order to reveal the response of free-living marine nematodes to this event, community structure and biodiversity indices of nematodes were studied in June and November 2013. The dominant species were Dorylaimopsis rabalaisi, Spilophorella sp., Daptonema sp., Sabatieria sp. and Parasphaerolaimus sp. In terms of trophic structure, epigrowth feeders were the most dominant group. Correlation analysis showed that Shannon Wiener diversity index had significantly negative correlation with sediment silt-clay percentage, organic matter content and water content. Results of BIOENV indicated that sediment phaeophorbide content, water content, bottom water salinity and temperature were the most important factors related to nematode community. In conclusion, community structure and biodiversity indices of nematodes were consistent in the two sampling seasons. (C) 2016 Elsevier Ltd. All rights reserved.
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