Effects of Organic Enrichment on Sandy Beach Meiofauna:A Laboratory Microcosm Experiment  

作　　者：WANG Jianing ZHOU Hong ZHANG Zhinan CONG Bingqing XU Shuhui 

机构地区：[1]College of Marine Life Science, Ocean University of China, Qingdao 266003, P. R. China

出　　处：《Journal of Ocean University of China》2011年第3期246-254,共9页中国海洋大学学报（英文版）

基　　金：funded by the National Natural Science Foundation of China(NOs.40730847,40906063,41076090)

摘　　要：Meiofauna samples from intertidal sediments of Qingdao No.2 Bathing Beach, China, were collected for field study, and subjected to organic enrichment in a laboratory microcosm experiment for 21 d. There were three different treatments including non-organic addition as the control, low-organic enrichment (2 g DW green algae per 150 mL) and high-organic enrichment (10 g DW green algae per 150 mL). After 21 d, the meiofauna richness decreased in both organic enrichment treatments. Among the three treatments, total meiofauna abundance was significantly different, and the control groups had higher abundance than the other two treatment groups. However, the responses of the meiofauna abundance in the two organic enrichment treatments were non-significantly different. The relationship of meiofaunal abundance and nematode/copepod ratios to organic matter and oxygen level in the microcosm experiments were discussed.Meiofauna samples from intertidal sediments of Qingdao No.2 Bathing Beach, China, were collected for field study, and subjected to organic enrichment in a laboratory microcosm experiment for 21 d. There were three different treatments including non-organic addition as the control, low-organic enrichment （2 g DW green algae per 150 mL） and high-organic enrichment （10 g DW green algae per 150 mL）. After 21 d, the meiofauna richness decreased in both organic enrichment treatments. Among the three treatments, total meiofauna abundance was significantly different, and the control groups had higher abundance than the other two treatment groups. However, the responses of the meiofauna abundance in the two organic enrichment treatments were non-significantly different. The relationship of meiofaunal abundance and nematode/copepod ratios to organic matter and oxygen level in the microcosm experiments were discussed.

关 键 词：organic enrichment MEIOFAUNA NEMATODE ABUNDANCE microcosm experiment 

分 类 号：Q95-342[生物学—动物学] P618.13[天文地球—矿床学]