Spatio-temporal distribution of sergestid shrimp Acetes intermedius in the coastal waters of southwestern Taiwan.
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- CHIOU WANN-DUEN
- Department of Fisheries, National Kaohsiung Institute of Marine Technology
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- WU CHIN-CHENG
- Department of Fisheries, National Kaohsiung Institute of Marine Technology
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- CHENG LEI-ZONG
- Department of Fisheries, National Kaohsiung Institute of Marine Technology
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Abstract
Spatio-temporal variation of the sergestid shrimp Acetes intermedius in the coastal waters of southwestern Taiwan was investigated based on 1546 samples collected by 13 commercial fishing vessels from July to October 1996. Adult sergestid shrimp started a down-estuary migration with the increased river discharge associated with heavy summer rainfall. Fishing season for this species was to commence after that. In July, the shrimp stock was found on the shallow continental shelf off Tungkang and Fangshan. They mainly aggregated in Kaoping Canyon off Tungkang during August and September occurring at very high densities. In October, the shrimp returned to the coastal waters off Tungkang and Fangshan at lower densities. The heavy rainfall is a factor that triggers the shrimps to make a down-estuary migration that could reduce competition for food between adults and their offspring during the period of high river discharge. When the northeast monsoon prevailed, the sergestid shrimp moved back to the estuaries and the fishing season was terminated.
Journal
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- Fisheries science
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Fisheries science 66 (6), 1014-1025, 2000
The Japanese Society of Fisheries Science
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Details 詳細情報について
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- CRID
- 1390001204430102784
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- NII Article ID
- 130003903525
- 30014677524
- 10009623225
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- NII Book ID
- AA10993718
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- ISSN
- 14442906
- 09199268
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- NDL BIB ID
- 5645804
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed