| Study on the dominant species of Pteropoda in East China Sea |
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| 作者姓名： | 徐兆礼 李春鞠 |
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| 作者单位： | Key and Open Laboratory of Marina and Estuary Fisheries Ministry of Agriculture of China East China Sea Fisheries Research Institute Chinese Academy of Fisheries Sciences Shanghai 200090 China，Key and Open Laboratory of Marina and Estuary Fisheries Ministry of Agriculture of China East China Sea Fisheries Research Institute Chinese Academy of Fisheries Sciences Shanghai 200090 China |
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| 基金项目： | This study was funded by Major Research Plan of the NSFC (No. 90511005), Major State Basic Research Development Program of China (973 Program, No. 2001CB409700-07). |
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| 摘 要： | 1 INTRODUCTION Pteropoda is a group of marine pelagic mol- lusks, which belongs to Opisthobranchia of Gastro- poda. Although Pteropoda is not a major group in pelagic zooplankton in terms of abundance and number of species, their ecological characters are…
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| 关 键 词： | 东海 显性 物种资源 海洋生物 |
| 收稿时间： | 2004-08-17 |
| 修稿时间： | 2005-05-16 |
Study on the dominant species of Pteropoda in East China Sea |
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| Xu Zhaoli,Li Chunju.Study on the dominant species of Pteropoda in East China Sea[J].Chinese Journal of Oceanology and Limnology,2006,24(2):168-177. |
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| Authors: | Xu Zhaoli Li Chunju |
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| Institution: | (1) Key and Open Laboratory of Marina and Estuary Fisheries, Ministry of Agriculture of China, East China Sea Fisheries Research Institute, Chinese Academy of Fisheries Sciences, 200090 Shanghai, China |
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| Abstract: | Based on the data of four seasonal marine surveys in the East China Sea (23°30′–33°N, 118°30′–128°E)during 1997–2000, the
author studied the ecological characters of dominant Pteropoda species in the area. Results showed that there were five dominant
Pteropoda species, more in summer, less in autumn and even in other seasons. These species, though belonging warm water species,
can be categorized into two different groups in habitability. The first group was adapted in summer and autumn, includingCreseis acicula, Desmopterus papilio andCreseis virgule, while the second group in winter and spring, represented byLimacina trochiformis andAgadina syimpsoni. The first group was more abundant than the second one. Besides, the first group contributed more to the Pteropoda abundance
having higher occurrence frequency and aggregation intensity than the second. In horizontal distribution, the first group
species reside in nearshore, and they could migrate to shallow place near estuary and aggregated in high density, while the
second one was different: lower abundance, less occurred and aggregated because they were halophilic warm water species, and
they were usually abundant in offshore area.
This study was funded by Major Research Plan of the NSFC (No. 90511005), Major State Basic Research Development Program of
China (973 Program, No. 2001 CB409700-07). |
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| Keywords: | Pteropoda ecological character environmental adaptation dominant species East China Sea ag- gregation intensity |
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