| LI Kaizhi,YIN Jianqiang,HUANG Liangmin,LIAN Shumin,ZHANG Jianlin.Distribution patterns of appendicularians and copepods and their relationship on the northwest continental shelf of South China Sea during summer[J].Acta Oceanologica Sinica,2012,(5):135-145 |
| Distribution patterns of appendicularians and copepods and their relationship on the northwest continental shelf of South China Sea during summer |
| Distribution patterns of appendicularians and copepods and their relationship on the northwest continental shelf of South China Sea during summer |
| 投稿时间：2011-03-26 修订日期：2012-01-19 |
| DOI：10.1007/s13131-012-0243-7 |
| 中文关键词: appendicularians copepods abundance distribution South China Sea |
| 英文关键词:appendicularians copepods abundance distribution South China Sea |
| 基金项目:Key Innovation Project of Chinese Academy of Sciences under contract No. KZCX2-YW-Q07; the National Natural Science Foundation of China under contract Nos 31101619, 41276159 and 41130855; Chinese Offshore Investigation and Assessment under contract No. 908-01-ST08. |
| 作者 | 单位 | E-mail | | LI Kaizhi | Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China | | | YIN Jianqiang | Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China | jqyin@scsio.ac.cn | | HUANG Liangmin | Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China | | | LIAN Shumin | State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China | | | ZHANG Jianlin | Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China | |
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| 中文摘要: |
| The potential suppression of copepods on appendicularians was found in field and experimental conditions. The abundance and distribution of appendicularians and planktonic copepods were studied with reference to their correlations during summer on the northwest continental shelf of the South China Sea (SCS). Based on the topography and water mass of the surveyed region, it was divided into three sub-regions:Region I (inshore waters of the east Leizhou Peninsula) with low temperature, salinity and high chlorophyll a (Chl a) concentration, Region Ⅱ (inshore waters of the east and southeast Hainan Island) with low temperature, high salinity and moderate Chl a concentration and Region Ⅲ (offshore waters from the Leizhou Peninsula to Hainan Island) with high temperature, high salinity and low Chl a concentration. The species richness of appendicularians and copepods increased from the inshore to offshore waters, and high values were observed in Region Ⅲ. The distribution of appendicularian and copepod abundance decreased generally from the inshore to offshore waters, with the highest values at Region I. Our results suggest that the distribution patterns of appendicularians and copepods differed significantly, as a result of the influence of physical and biological factors. The negative impact of pelagic copepods on appendicularians was not found based on in situ data in the northwest continental shelf of SCS. |
| 英文摘要: |
| The potential suppression of copepods on appendicularians was found in field and experimental conditions. The abundance and distribution of appendicularians and planktonic copepods were studied with reference to their correlations during summer on the northwest continental shelf of the South China Sea (SCS). Based on the topography and water mass of the surveyed region, it was divided into three sub-regions:Region I (inshore waters of the east Leizhou Peninsula) with low temperature, salinity and high chlorophyll a (Chl a) concentration, Region Ⅱ (inshore waters of the east and southeast Hainan Island) with low temperature, high salinity and moderate Chl a concentration and Region Ⅲ (offshore waters from the Leizhou Peninsula to Hainan Island) with high temperature, high salinity and low Chl a concentration. The species richness of appendicularians and copepods increased from the inshore to offshore waters, and high values were observed in Region Ⅲ. The distribution of appendicularian and copepod abundance decreased generally from the inshore to offshore waters, with the highest values at Region I. Our results suggest that the distribution patterns of appendicularians and copepods differed significantly, as a result of the influence of physical and biological factors. The negative impact of pelagic copepods on appendicularians was not found based on in situ data in the northwest continental shelf of SCS. |
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