Age, growth, mortality and recruitment of thin sharpbelly Toxabramis swinhonis Gunther, 1873 in three shallow lakes along the middle and lower reaches of the Yangtze River basin, China
文献类型:期刊论文
作者 | Dong, Xianghong1,2,3; Xiang, Tao1,2; Ju, Tao4; Li, Ruojing1,2; Ye, Shaowen1; Lek, Sovan3; Liu, Jiashou1; Grenouillet, Gael3 |
刊名 | PEERJ |
出版日期 | 2019-04-12 |
卷号 | 7期号:1页码:20 |
ISSN号 | 2167-8359 |
关键词 | Toxabramis swinhonis Age and growth Mortality and recruitment The Yangtze River basin Shallow lakes |
DOI | 10.7717/peerj.6772 |
英文摘要 | Despite being the most dominant and widespread small fish species in the lakes along the middle and lower reaches of the Yangtze River basin, Toxabramis swinhonis has been paid little attention by fisheries scientists and little is known about its population characteristics. For this reason, we estimated age, growth, mortality and recruitment of this species based on three shallow lakes, Biandantang Lake, Shengjin Lake and Kuilei Lake (BDT, SJH and KLH, respectively) in this region. A total of 13,585 (8,818 in BDT, 2,207 in SJH and 2,560 in KLH) individuals were collected during monthly sampling from July 2016 to September 2017. The results revealed that the age structures of T. swinhonis consisted of four age groups (0(+)-3(+)), with 0(+)-1(+) year old fish comprising more than 98% of the samples. Allometric growth patterns were displayed by fish from all sampling sites and the von Bertalanffy growth functions estimated were L-t = 173.25 (1 - e(-1.20) ((t + 1.09))): BDT; L-t = 162.75 (1 - e(-1.20 (t + 1.08))): SJH and L-t = 215.25 (1 - e(-1.20 (t + 1.12))): KLH, respectively. The rates of total mortality (Z), natural mortality (M) and fishing mortality (F) at BDT, SJH and KLH were computed as 5.82, 5.50 and 4.55 year(-1); 1.89, 1.87 and 1.75 year(-1); 3.93, 3.63 and 2.80 year(-1), respectively. Meanwhile, growth performance indices (phi') were 0.68 (in BDT), 0.66 (in SJH) and 0.62 (in KLH), which indicated that T. swinhonis were overfished slightly in all study areas. Area-specific recruitment patterns were similar to each other, displaying evidence of batch spawning, with major peaks in April and August, accounting for 92.21% (BDT), 88.21% (SJH) and 88.73% (KLH) of total recruitment, respectively. These results showed that brief generation-time, fast growth rate, relatively high natural mortality rate and strong reproductive capacity (r-strategies) are reasons why this species became the most dominant species in many lakes of China. |
WOS关键词 | SMALL FISHES ; LENGTH RELATIONSHIPS ; SPATIAL-DISTRIBUTION ; POPULATION-DYNAMICS ; COMMUNITY STRUCTURE ; NIUSHAN LAKE ; LIANGZI LAKE ; WEIGHT ; DIVERSITY |
资助项目 | National Science and Technology Supporting Program of China[2012BAD25B08] ; Earmarked Fund for China Agriculture Research System[CARS-45] ; State Key Laboratory of Freshwater Ecology and Biotechnology[2014FBZ04] ; China Scholarship Council (CSC) |
WOS研究方向 | Science & Technology - Other Topics |
语种 | 英语 |
出版者 | PEERJ INC |
WOS记录号 | WOS:000464303500011 |
资助机构 | National Science and Technology Supporting Program of China ; National Science and Technology Supporting Program of China ; National Science and Technology Supporting Program of China ; National Science and Technology Supporting Program of China ; National Science and Technology Supporting Program of China ; National Science and Technology Supporting Program of China ; National Science and Technology Supporting Program of China ; National Science and Technology Supporting Program of China ; Earmarked Fund for China Agriculture Research System ; Earmarked Fund for China Agriculture Research System ; Earmarked Fund for China Agriculture Research System ; Earmarked Fund for China Agriculture Research System ; Earmarked Fund for China Agriculture Research System ; Earmarked Fund for China Agriculture Research System ; Earmarked Fund for China Agriculture Research System ; Earmarked Fund for China Agriculture Research System ; State Key Laboratory of Freshwater Ecology and Biotechnology ; 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National Science and Technology Supporting Program of China ; National Science and Technology Supporting Program of China ; National Science and Technology Supporting Program of China ; Earmarked Fund for China Agriculture Research System ; Earmarked Fund for China Agriculture Research System ; Earmarked Fund for China Agriculture Research System ; Earmarked Fund for China Agriculture Research System ; Earmarked Fund for China Agriculture Research System ; Earmarked Fund for China Agriculture Research System ; Earmarked Fund for China Agriculture Research System ; Earmarked Fund for China Agriculture Research System ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; 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源URL | [http://ir.ihb.ac.cn/handle/342005/27691] |
专题 | 水生生物研究所_淡水生态学研究中心 |
通讯作者 | Liu, Jiashou |
作者单位 | 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Hubei, Peoples R China 2.Univ Chinese Acad Sci, Beijing, Peoples R China 3.Univ Toulouse III, Lab Evolut & Diversite Biol, Toulouse, France 4.Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Key Lab Freshwater Biodivers Conservat, Minist Agr China, Wuhan, Hubei, Peoples R China |
推荐引用方式 GB/T 7714 | Dong, Xianghong,Xiang, Tao,Ju, Tao,et al. Age, growth, mortality and recruitment of thin sharpbelly Toxabramis swinhonis Gunther, 1873 in three shallow lakes along the middle and lower reaches of the Yangtze River basin, China[J]. PEERJ,2019,7(1):20. |
APA | Dong, Xianghong.,Xiang, Tao.,Ju, Tao.,Li, Ruojing.,Ye, Shaowen.,...&Grenouillet, Gael.(2019).Age, growth, mortality and recruitment of thin sharpbelly Toxabramis swinhonis Gunther, 1873 in three shallow lakes along the middle and lower reaches of the Yangtze River basin, China.PEERJ,7(1),20. |
MLA | Dong, Xianghong,et al."Age, growth, mortality and recruitment of thin sharpbelly Toxabramis swinhonis Gunther, 1873 in three shallow lakes along the middle and lower reaches of the Yangtze River basin, China".PEERJ 7.1(2019):20. |
入库方式: OAI收割
来源:水生生物研究所
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