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题名: Growth and mortality of two small fishes, Toxabramis swinhonis G_ unther, 1873 and Hyporhamphus intermedius ( Cantor, 1842), in a Yangtze shallow lake ( China) assessed by length frequency analysis
作者: Ye, S.1; Moreau, J.2; Zeng, W.1, 3; Zhang, T.1; Liu, J.1; Li, Z.1
通讯作者: Li, Z (reprint author), Chinese Acad Sci, Inst Hydrobiol, 7 Donghu South Rd, Wuhan 430072, Hubei Province, Peoples R China.
关键词: PARAMETERS ; YIELD
刊名: JOURNAL OF APPLIED ICHTHYOLOGY
发表日期: 2014-06-01
DOI: 10.1111/jai.12405
卷: 30, 期:3, 页:479-484
收录类别: SCI
文章类型: Article
部门归属: [Ye, S.; Zeng, W.; Zhang, T.; Liu, J.; Li, Z.] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei Province, Peoples R China; [Moreau, J.] ENSAT, Dept Inland Fisheries, Castanet Tolosan, France; [Zeng, W.] Shaoxing Univ, Coll Life Sci, Shaoxing, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: Special Fund for Agro-Scientific Research in the Public Interest [201303056-01]; National Natural Science Foundation of China [30900182, 30830025]
类目[WOS]: Fisheries ; Marine & Freshwater Biology
研究领域[WOS]: Fisheries ; Marine & Freshwater Biology
摘要: This study examined the growth and mortality of two widespread small fish species, Toxabramis swinhonis (Cyprinidae) and Hyporhamphus intermedius (Hemiramphidae), from a shallow lake (Niushan Lake, China) along the Yangtze River, by analyzing monthly length frequency data (July 2005 to June 2006) with the FAO-ICLARM stock assessment tool (FiSAT). Estimated von Bertalanffy growth equation parameters were: L (asymptotic length)=145mm TL, and K (growth coefficient)=0.66year(-1) for T.swinhonis; L=189mm TL, and K=0.68year(-1) for H.intermedius. The instantaneous rates of natural mortality (M) calculated for T.swinhonis and H.intermedius were 1.35 and 1.28year(-1), respectively. The length-converted catch curve method gave the total annual instantaneous mortality rate (Z) of 2.92year(-1) for T.swinhonis and 1.53year(-1) for H.intermedius. Recruitment patterns of both species were continuous, displaying a single major peak event per year. Despite not being of direct fishing interest, T.swinhonis, with high abundance and productivity as indicated by a high Z-value, can be an important species in fisheries management as an excellent food source for aquatic organisms, especially for larger fishes of economic value. These results represent the first information on population characteristics of T.swinhonis and H.intermedius, and constitute a comparison base for future growth studies in other lake environments.
英文摘要: This study examined the growth and mortality of two widespread small fish species, Toxabramis swinhonis (Cyprinidae) and Hyporhamphus intermedius (Hemiramphidae), from a shallow lake (Niushan Lake, China) along the Yangtze River, by analyzing monthly length frequency data (July 2005 to June 2006) with the FAO-ICLARM stock assessment tool (FiSAT). Estimated von Bertalanffy growth equation parameters were: L (asymptotic length)=145mm TL, and K (growth coefficient)=0.66year(-1) for T.swinhonis; L=189mm TL, and K=0.68year(-1) for H.intermedius. The instantaneous rates of natural mortality (M) calculated for T.swinhonis and H.intermedius were 1.35 and 1.28year(-1), respectively. The length-converted catch curve method gave the total annual instantaneous mortality rate (Z) of 2.92year(-1) for T.swinhonis and 1.53year(-1) for H.intermedius. Recruitment patterns of both species were continuous, displaying a single major peak event per year. Despite not being of direct fishing interest, T.swinhonis, with high abundance and productivity as indicated by a high Z-value, can be an important species in fisheries management as an excellent food source for aquatic organisms, especially for larger fishes of economic value. These results represent the first information on population characteristics of T.swinhonis and H.intermedius, and constitute a comparison base for future growth studies in other lake environments.
关键词[WOS]: PARAMETERS ; YIELD
语种: 英语
WOS记录号: WOS:000334929000006
ISSN号: 0175-8659
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20033
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei Province, Peoples R China
2.ENSAT, Dept Inland Fisheries, Castanet Tolosan, France
3.Shaoxing Univ, Coll Life Sci, Shaoxing, Peoples R China
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