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题名: A Comparison of Different Age Estimation Methods for the Northern Snakehead
作者: Gu, Pang-hua1; Xiang, Jian-guo1, 2; Chen, Yi-fang1; Li, Yan-liang1; Tang, Jun1; Xie, Song-guang2; Chen, Yushun3
通讯作者: Xiang, JG (reprint author), Hunan Agr Univ, Coll Anim Sci & Technol, Changsha 410128, Hunan, Peoples R China.
关键词: FRESH-WATER FISH ; CHANNEL CATFISH ; DORSAL SPINES ; FIN RAYS ; OTOLITHS ; SCALES ; GROWTH ; PRECISION ; RIVER ; RECOMMENDATIONS
刊名: NORTH AMERICAN JOURNAL OF FISHERIES MANAGEMENT
发表日期: 2013-10-01
DOI: 10.1080/02755947.2013.822445
卷: 33, 期:5, 页:994-999
收录类别: SCI
文章类型: Article
部门归属: [Gu, Pang-hua ; Xiang, Jian-guo ; Chen, Yi-fang ; Li, Yan-liang ; Tang, Jun] Hunan Agr Univ, Coll Anim Sci & Technol, Changsha 410128, Hunan, Peoples R China ; [Xiang, Jian-guo ; Xie, Song-guang] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China ; [Chen, Yushun] Univ Arkansas, Aquaculture & Fisheries Ctr, Pine Bluff, AR 71601 USA
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: State Key Laboratory of Freshwater Ecology and Technology [2010FB19]; Hunan Department of Education [09A032]; Research Program of Hunan Province, China [2009NK3095]
类目[WOS]: Fisheries
研究领域[WOS]: Fisheries
摘要: We used otoliths, scales, pectoral fins, dorsal fins, basioccipital bones, opercular bones, interopercular bones, vertebrae, teeth, and cleithra sampled from 221 known-age Northern Snakeheads Channa argus argus representing five age-groups to determine and compare age estimation methods for this species. Results showed that accuracy of age estimation methods varied among structures: 85.68% of otoliths, 68.91% of scales, 49.25% of pectoral fin rays, and 27.67% of opercular bones yielded age estimates that were consistent with the actual fish ages. Ages determined from other structures, such as interopercular bones, dorsal fins, basioccipital bones, and vertebrae, had lower rates of agreement (<20%) with actual ages. The current results suggest that age estimation with otoliths, especially sagittal otoliths, is the most accurate method for use with Northern Snakeheads. Furthermore, analysis of scales can be used as a supplementary approach, especially for younger (age < 3) Northern Snakeheads. Received March 14, 2013; accepted June 27, 2013
英文摘要: We used otoliths, scales, pectoral fins, dorsal fins, basioccipital bones, opercular bones, interopercular bones, vertebrae, teeth, and cleithra sampled from 221 known-age Northern Snakeheads Channa argus argus representing five age-groups to determine and compare age estimation methods for this species. Results showed that accuracy of age estimation methods varied among structures: 85.68% of otoliths, 68.91% of scales, 49.25% of pectoral fin rays, and 27.67% of opercular bones yielded age estimates that were consistent with the actual fish ages. Ages determined from other structures, such as interopercular bones, dorsal fins, basioccipital bones, and vertebrae, had lower rates of agreement (<20%) with actual ages. The current results suggest that age estimation with otoliths, especially sagittal otoliths, is the most accurate method for use with Northern Snakeheads. Furthermore, analysis of scales can be used as a supplementary approach, especially for younger (age < 3) Northern Snakeheads. Received March 14, 2013; accepted June 27, 2013
关键词[WOS]: FRESH-WATER FISH ; CHANNEL CATFISH ; DORSAL SPINES ; FIN RAYS ; OTOLITHS ; SCALES ; GROWTH ; PRECISION ; RIVER ; RECOMMENDATIONS
语种: 英语
WOS记录号: WOS:000327867900015
ISSN号: 0275-5947
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/19969
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.Hunan Agr Univ, Coll Anim Sci & Technol, Changsha 410128, Hunan, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
3.Univ Arkansas, Aquaculture & Fisheries Ctr, Pine Bluff, AR 71601 USA

Recommended Citation:
Gu, Pang-hua; Xiang, Jian-guo; Chen, Yi-fang; Li, Yan-liang; Tang, Jun; Xie, Song-guang; Chen, Yushun.A Comparison of Different Age Estimation Methods for the Northern Snakehead,NORTH AMERICAN JOURNAL OF FISHERIES MANAGEMENT,2013,33(5):994-999
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