| 长吻(鱼危)幼鱼的生态效率初探 |
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| 引用本文： | 张其中,何学福.长吻(鱼危)幼鱼的生态效率初探[J].西南师范大学学报(自然科学版),1993(4). |
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| 作者姓名： | 张其中 何学福 |
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| 作者单位： | 西南师范大学生物学系 重庆630715
(张其中)，西南师范大学生物学系 重庆630715(何学福) |
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| 摘 要： | 长吻鮠幼鱼的总平均生态效率为11.44%,饵料系数7.41;在适宜的温度范围内,随水温上升,幼鱼体重增加.生态效率增大.在24.9℃以上的适温范围内,幼鱼生长快;密度对幼鱼的生长有明显影响,适宜的放养密度,幼鱼生长快,在本试验条件下.最适密度是12尾/m~2.
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| 关 键 词： | 长吻(鱼危) 生态效率 水温 密度 |
PRIMARY STUDIES ON THE ECOLOGICAL EFFICIENCY OF LARVAE OF LEIOCASSIS LONGIROSTRIS GuNTHER |
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| Zhang Qizhong He Xuefu.PRIMARY STUDIES ON THE ECOLOGICAL EFFICIENCY OF LARVAE OF LEIOCASSIS LONGIROSTRIS GuNTHER[J].Journal of Southwest China Normal University(Natural Science),1993(4). |
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| Authors: | Zhang Qizhong He Xuefu |
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| Abstract: | This papet reports following contents-. CD I 1. 41% is the total average ecologioal efficiency of the fish (L. Itmgerosl.rts); 12) there is significant correlation between the average ecological efficiency (E) of the fish and the water temperature (T), viz, E- 1. 381 3T- 21. 917 and (3) It is, obvious that density of the fish influence growth of the fish, and the optimum density is 12 fish per square metre. |
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| Keywords: | Leiocassis longirostris ecological efficiency water temperature density |
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