福建水产2012,Vol.34Issue(4):284-289,6.
生石灰清塘后主要理化因子变化与鱼种适宜下塘时间的研究
The study of the changes in physical and chemical factors and the optimum time to stock in breeding ponds after using calcium oxide
摘要
Abstract
By comprehensively detecting the main physical and chemical factors of breeding ponds in Sichuan province area, which include water temperature (T), pH value, dissolved oxygen (DO), chemical oxygen demand (COD) , nutritive salts, and so on, after using the quicklime method, we investigated the variations of corresponding key physical and chemical factors in this paper. Also, with the aid of acute toxicity experiment aiming for Procypris rabaudip, the accurate safe pH value 8. 565 was obtained. The results indicated that, it was feasible to take the pH value as a key index of the exact time for stocking the species after clearing ponds. Our study demonstrated that, five days of time was enough and suitable to stock the species after clearing ponds in Sichuan province area.关键词
岩原鲤/生石灰/理化因子/下塘时间Key words
Procypris rabaudi/quicklime/physical and chemical factors/optimum time to stock分类
水产学引用本文复制引用
沈正雄,樊均德,许勤智,周波,卢华,徐飞..生石灰清塘后主要理化因子变化与鱼种适宜下塘时间的研究[J].福建水产,2012,34(4):284-289,6.基金项目
铜仁学院科研启动基金 ()
铜仁地区科学基金项目[铜地科研(2002)15-2号] ()