盐度、pH和温度对金钱鱼幼鱼存活的影响Effects of Abrupt Changes in Salinity,pH and Temperature on Survival of Juvenile Scatophagus argus
杨世平;杨丽专;陈兆明;孙成波;
摘要(Abstract):
[目的]研究盐度、pH和温度对金钱鱼幼鱼存活的影响,为金钱鱼的养殖提供科学依据。[方法]采取突变试验研究了盐度、pH和温度对金钱鱼幼鱼存活的影响。[结果]金钱鱼幼鱼耐受盐度范围为0~50‰,最高起始致死盐度为54‰。耐受pH范围为5.0~9.7,最高和最低起始致死pH分别为9.9和4.4。耐受温度范围为16~39℃,最高和最低起始致死温度范围为40和15℃。[结论]金钱鱼幼鱼耐酸能力和耐低盐能力较高,对低温的耐受力较弱,适合在中国南方养殖。
关键词(KeyWords): 金钱鱼;盐度;pH;温度;耐受性
基金项目(Foundation): 科技部星火计划重点项目(2010GA800008)
作者(Author): 杨世平;杨丽专;陈兆明;孙成波;
Email:
DOI: 10.13989/j.cnki.0517-6611.2014.27.051
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