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题名: Environmental cues for natural reproduction of the Chinese sturgeon, Acipenser sinensis Gray, 1835, in the Yangtze River, China
作者: Gao, X.; Li, M. -Z.; Lin, P. -C.; Duan, Z. -H.; Liu, H. -Z.
通讯作者: Liu, HZ (reprint author), Chinese Acad Sci, Inst Hydrobiol, 7th Southern Rd East Lake, Wuhan 430072, Hubei Province, Peoples R China.
关键词: FISH RECRUITMENT SUCCESS ; EARLY-LIFE STAGES ; LOGISTIC-REGRESSION ; UPWELLING AREAS ; POPULATION ; CONSEQUENCES ; TEMPERATURE ; SENSITIVITY ; PADDLEFISH ; MANAGEMENT
刊名: JOURNAL OF APPLIED ICHTHYOLOGY
发表日期: 2013-12-01
DOI: 10.1111/jai.12363
卷: 29, 期:6, 页:1389-1394
收录类别: SCI
文章类型: Article
部门归属: Chinese Acad Sci, Key Lab Aquat Biodivers, Wuhan 430072, Hubei Province, Peoples R China ; Chinese Acad Sci, Inst Hydrobiol, Conservat Chinese Acad Sci, Wuhan 430072, Hubei Province, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: Three Gorges Project eco-environmental monitoring system [JJ [2013]-010]; National Natural Science foundation of China [NSFC 31201727]; China Three Gorges Corporation [0799522]
类目[WOS]: Fisheries ; Marine & Freshwater Biology
研究领域[WOS]: Fisheries ; Marine & Freshwater Biology
摘要: For effective conservation, it is important to explore the environmental cues initiating the spawning activities of a fish species. Based on monitoring data gathered between 1998 and 2011, the relationships between spawning activities of the Chinese sturgeon, Acipenser sinensis, and several environmental cues were analyzed using the rare events logistic regression Relogit' method, which indicated that water temperature, 1-day -discharge, and atmospheric pressure were among the key spawning cues for A.sinensis (P<0.05). It is suggested that Chinese sturgeon might have an optimal environment window of 17-20 degrees C water temperature, high day-to-day discharge increase, and low atmospheric pressure for spawning. In support of Chinese sturgeon reproduction, suggested modifications to the operational procedures for the Three Gorges Reservoir (TGR) to trigger spawning are: lowering the downstream water temperature to below 20 degrees C before mid-October and expanding the period with water temperatures of between 17 and 20 degrees C; to create a day-to-day intermittent increase in the discharge to an optimal spawning water temperature; and to regulate flow at nights with a low atmospheric pressure.
英文摘要: For effective conservation, it is important to explore the environmental cues initiating the spawning activities of a fish species. Based on monitoring data gathered between 1998 and 2011, the relationships between spawning activities of the Chinese sturgeon, Acipenser sinensis, and several environmental cues were analyzed using the rare events logistic regression Relogit' method, which indicated that water temperature, 1-day -discharge, and atmospheric pressure were among the key spawning cues for A.sinensis (P<0.05). It is suggested that Chinese sturgeon might have an optimal environment window of 17-20 degrees C water temperature, high day-to-day discharge increase, and low atmospheric pressure for spawning. In support of Chinese sturgeon reproduction, suggested modifications to the operational procedures for the Three Gorges Reservoir (TGR) to trigger spawning are: lowering the downstream water temperature to below 20 degrees C before mid-October and expanding the period with water temperatures of between 17 and 20 degrees C; to create a day-to-day intermittent increase in the discharge to an optimal spawning water temperature; and to regulate flow at nights with a low atmospheric pressure.
关键词[WOS]: FISH RECRUITMENT SUCCESS ; EARLY-LIFE STAGES ; LOGISTIC-REGRESSION ; UPWELLING AREAS ; POPULATION ; CONSEQUENCES ; TEMPERATURE ; SENSITIVITY ; PADDLEFISH ; MANAGEMENT
语种: 英语
WOS记录号: WOS:000327212000039
ISSN号: 0175-8659
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/19752
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Key Lab Aquat Biodivers, Wuhan 430072, Hubei Province, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Conservat Chinese Acad Sci, Wuhan 430072, Hubei Province, Peoples R China

Recommended Citation:
Gao, X.; Li, M. -Z.; Lin, P. -C.; Duan, Z. -H.; Liu, H. -Z..Environmental cues for natural reproduction of the Chinese sturgeon, Acipenser sinensis Gray, 1835, in the Yangtze River, China,JOURNAL OF APPLIED ICHTHYOLOGY,2013,29(6):1389-1394
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