Latitudinal changes (6 degrees S-20 degrees N) of summer ciliate abundance and species compositions in surface waters from the Java Sea to the South China Sea
文献类型: 外文期刊
作者: Liu Huaxue 1 ; Li Gang 2 ; Tan Yehui 2 ; Ke Zhixin 2 ; Huang Jianrong 3 ; Huang Liangmin 2 ;
作者机构: 1.Chinese Acad Fisheries Sci, South China Sea Fisheries Res Inst, Guangzhou 510300, Guangdong, Peoples R China
2.Chinese Acad Sci, Key Lab Marine Bioresources Sustainable Utilizat, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
3.Sun Yat Sen Univ, Sch Life Sci, Guangzhou 510275, Guangdong, Peoples R China
关键词: spatial changes;ciliates;Java Sea;South China Sea
期刊名称:ACTA OCEANOLOGICA SINICA ( 影响因子:1.431; 五年影响因子:1.445 )
ISSN: 0253-505X
年卷期: 2013 年 32 卷 4 期
页码:
收录情况: SCI
摘要: Ciliates play a curial role in energy transfer from pico- and nano-phytoplankton to mesozooplankton in marine ecosystems. In order to visualize their geographical distributions from the Java Sea to the South China Sea (6A degrees S to 20A degrees N), the authors investigated the ciliate abundance and species composition in surface waters during May 18 to 27 of 2010. The ciliate abundance decreased latitudinally from 3 080 ind./L (similar to 6A degrees S) to 40 ind./L (similar to 3A degrees N), and then increased to 1 180 ind./L (similar to 16A degrees N) at the end of the survey. A total of 22 ciliates belonging to 15 genera were identified with the tintinnids accounted for 50% (11 species); and the species number showed a same spatial change as the ciliate abundance. Moreover, the Strombidium occupied over 50% of total ciliate abundance in most stations and Mesodinium and Tintinnopsis contributed to about 18.7% and 11.4%, respectively. In particular, our results indicate that the geographical changes in ciliate abundance were positively regulated by larger nano- and micro-phytoplankton biomass, rather than smaller pico-phytoplankton in the investigated waters.
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