Species composition and diversity of Euphausiacea in the East China Sea
文献类型: 外文期刊
第一作者: Xu, ZL
作者: Xu, ZL;Li, CJ
作者机构:
关键词: zooplankton;euphausiacea;diversity;species composition;east China sea
期刊名称:ACTA OCEANOLOGICA SINICA ( 影响因子:1.431; 五年影响因子:1.445 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Based on the data of four seasonal oceanographic censuses in the East China Sea (23°30′~33°00′N, 118°30′~128°00′E) in 1997~2000, the species composition and the diversity of Euphausiacea were discussed as well as their relations with environmental variables. Results showed that there were totally 23 different species of Euphausiacea, in which 16 occurred in spring and autumn respectively; 15 were present in summer and only 10 were observed in winter. According to the calculated alternation fraction (R), the species composition showed a clear seasonal alternation with the changes of seasons. Moreover, the environmental variables had different impacts on the distribution of Euphausiacea in different seasons. The distribution in summer was not significantly related to water temperature and salinity. However, the surface salinity was a major determinant of the distribution in spring. In autumn, both surface and bottom temperatures were influencing factors. The distribution in winter depended on salinity at the surface and 10 m depth as well as the temperature at 10 m depth. Regarding to the seasonal variation of species composition, the variations in spring, summer and autumn were not so significant as those in winter. Except in summer, the species number changed with synchronous water temperature and salinity, as a result of the presence of warm currents in the East China Sea and the habitability of the dominant species. Since Euphausiacea tend to agglomerate, the distribution of different species was uneven, which was the major reason for the low diversity of E-uphausiacea in the East China Sea.
分类号: P7
- 相关文献
作者其他论文 更多>>
-
Characterization of an avian influenza virus of subtype H7N2 isolated from chickens in northern China
作者:Li, YB;Li, CJ;Liu, LL;Wang, HW;Wang, CB;Tian, GB;Webster, RG;Yu, KZ;Chen, HL
关键词:avian influenza virus;H7N2 subtype;genetic analysis;pathotyping;chicken;mouse
-
Predicting grain protein content of winter wheat using remote sensing data based on nitrogen status and water stress
作者:Zhao, CJ;Liu, LY;Wang, JH;Huang, WJ;Song, XY;Li, CJ
关键词:grain protein content; remote sensing; canopy spectra; Landsat TM; leaf nitrogen content
-
Protective efficacy in chickens, geese and ducks of an H5N1-inactivated vaccine developed by reverse genetics
作者:Tian, GB;Zhang, SH;Li, YB;Bu, ZG;Liu, PH;Zhou, JP;Li, CJ;Shi, JZ;Yu, KZ;Chen, HL
关键词:H5N1 influenza;reverse genetics vaccine;chickens;ducks;geese
-
Antigenic and genetic analysis of the H9N2 avian influenza viruses isolated in China
作者:Li, CJ;Tian, GB;Li, YB;Yu, DD;Yu, KZ;Chen, HL
关键词:avian influenza virus;H9N2 subtype;antigenic analysis;genetic analysis
-
Synthesis and spectral analysis of 12H-dibenzo[1,3,2]dioxaphosphocins
作者:Chen, WY;Li, CJ
关键词:12H-dibenzo[1,3,2]dioxaphosphocin;synthesis;NMR;MS
-
Changes in the 3-dimensional distribution of mitochondria during meiotic divisions of mouse oocytes
作者:Li, CJ;Fan, BQ
关键词:mouse oocyte;meiotic maturation;parthenogenetic activation;mitochondrial redistribution;calcium changes
-
Study on abundance variation of pteropods in the East China Sea
作者:Xu, ZL;Li, CJ
关键词:east China sea;pteropods;zooplankton;abundance distribution;regression contribution