| 毛蚶天津群体形态性状对体质量的影响研究 |
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| 引用本文： | 张超,李永仁,郭永军,梁健.毛蚶天津群体形态性状对体质量的影响研究[J].海洋通报,2019,38(4):400-404. |
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| 作者姓名： | 张超 李永仁 郭永军 梁健 |
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| 作者单位： | 天津农学院 水产科学系 天津市水产生态及养殖重点实验室,天津,300384;天津农学院 水产科学系 天津市水产生态及养殖重点实验室,天津,300384;天津农学院 水产科学系 天津市水产生态及养殖重点实验室,天津,300384;天津农学院 水产科学系 天津市水产生态及养殖重点实验室,天津,300384 |
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| 基金项目： | 国家重点研发计划 （2018YFD0901400）；天津市种业科技重大专项 （17ZXZYNC00020）；天津市现代产业技术体系-水产-贝类养殖岗位 （ITTFRS2017013）；天津市农业科技成果转化与推广项目 （201602050）；现代农业产业技术体系建设专项（CARS49） |
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| 摘 要： | 为探讨形态性状对体质量的影响,指导毛蚶的选育,以毛蚶天津群体为研究对象,测量壳长、壳宽、壳高、体质量,并进行统计分析。结果表明,壳宽是体质量的主要影响因子,其与体质量的相关系数为0.953,直接作用为0.505,间接作用为0.448,壳长、壳高间接作用分别为0.483、0.480,综合决定系数为0.706 6。毛蚶体质量多元回归方程为Y=-40.8+0.438X1+1.124X2+0.469X3,R2=0.924;以壳宽为自变量,体质量回归方程为:Y=5.443×10-3X22.519,R2=0.937。
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| 关 键 词： | 毛蚶 相关分析 通径分析 回归分析 |
| 收稿时间： | 2019/1/13 0:00:00 |
| 修稿时间： | 2019/2/22 0:00:00 |
Effects of shell morphological traits on total weight in Scapharca subcrenata Lischke from Tianjin |
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| ZHANG Chao,LI Yong-ren,GUO Yong-jun and LIANG Jian.Effects of shell morphological traits on total weight in Scapharca subcrenata Lischke from Tianjin[J].Marine Science Bulletin,2019,38(4):400-404. |
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| Authors: | ZHANG Chao LI Yong-ren GUO Yong-jun and LIANG Jian |
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| Institution: | Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, Tianjin 300384, China,Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, Tianjin 300384, China,Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, Tianjin 300384, China and Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, Tianjin 300384, China |
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| Abstract: | In order to guide the selective breeding of Scapharca subcrenata Lischke, this paper studies the correlation between subcrenata morphological traits and their total weight. Four traits of wild subcrenata samples in Tianjin were employed:shell length(X1), shell width(X2), shell height(X3) and total weight(Y). Statistical analysis showed that the shell width was the main factor of the total weight. The correlation between shell width and total weight was 0.953, including direct effect(0.505) and indirect effect (0.448). The indirect effects of shell length and shell height on total weight were 0.483 and 0.480,respectively. The general determination coefficient of shell width on total weight was 0.706 6. To estimate total weight, the multiple regression equation is evolved:Y =-40.8+0.438X1+1.124X2+0.469X3, R2=0.924; while the regression equation with shell width as independent variableis: Y=5.443*10*X*2.519, R2=0.924. |
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| Keywords: | Scapharca subcrenata Lischke correlation analysis path analysis regression equation |
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