Investigation and analysis of benthons of Hengqin Island sea area in the Pearl River Estuary during spring
Huang Dao-jian1, Du Fei-yan2, Wu Wen-cheng1
1. South China Institute of Environmental Sciences MEP, Guangzhou 510655, China; 2. South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510045, China
After the investigation and analysis of benthons of Hengqin Island sea area in May 2008,33 species were found, including comate,mollusk,crustacean and Echinodermata.Comate was the dominant species,with a ratio of 42.42% of all the species.Paraprionospio pinnata,Heteromastus filiformis and Magelona crenulifrons were dominated.The total inhabitation density of benthons was 236.3 ind·m-2,and comate was the dominant species,with a ratio of 71.94% of the total inhabitation density.Besides,the total biomass of benthons was 53.0 g·m-2,and mollusk was the dominant species,with a ratio of 43.58% of the total biomass.The average diversity index and evenness of benthons were 2.62 and 0.83,respectively.Biodiversity indices showed that the area was at a lightly-moderate polluted status.Our results show a relatively higher quantity in biomass, inhabitation density,and diversity index and evenness in Hengqin Island sea area,as compared with other data from researches in the Pearl River Estuary.
黄道建1*, 杜飞雁2, 吴文成1. 珠江口横琴岛海域春季大型底栖生物调查分析[J]. , 2011, 30(2): 117-121.
Huang Dao-jian1, Du Fei-yan2, Wu Wen-cheng1. Investigation and analysis of benthons of Hengqin Island sea area in the Pearl River Estuary during spring. , 2011, 30(2): 117-121.