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厚颌鲂和圆口铜鱼耗氧率与窒息点的测定
Authors
孙宝柱
曹文宣
+3 more
王剑伟
谭德清
黄浩
Publication date
1 January 2010
Publisher
Abstract
用封闭静水式装置测定了体重2.3—4.7g厚颌鲂幼鱼的耗氧率和窒息点,用封闭静水式和封闭流水式装置测定了体重9.9—55.1g圆口铜鱼的耗氧率和窒息点。结果表明:在15—27℃条件下,厚颌鲂的耗氧率随着温度的升高而升高,耗氧率与水温呈线性关系;在水温24.8℃时厚颌鲂的窒息点为(0.91±0.08)mg/L。在水温23—27℃、封闭静水实验条件下,圆口铜鱼的耗氧率随体重增加而降低,两者呈指数关系;圆口铜鱼耗氧率昼夜变化明显,夜间耗氧率大于白天,推测圆口铜鱼夜间活动较多。在水温24.5—26.0℃条件下,
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Institute of Hydrobiology, Chinese Academy Of Sciences
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oai:ir.ihb.ac.cn:342005/14068
Last time updated on 15/03/2018