② The Daphnia magna of the two population has obvious around-the clock ingestion rhythm, the morning and the evening are two peaks of ingestion. Salinity has no influence on the ingestion rhythm.
②．二个种群的大型溞具有明显的昼夜摄食节律，早晨和傍晚为两个摄食高峰期，盐度对摄食节律无影响。
参考来源 - 湘江水系枝角类的耐盐特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
摄食节律主要受光照强度的影响。
结果表明黄颡鱼幼鱼为夜行性摄食，但投喂频率、投喂量等因素直接影响其摄食节律。
The result showed that the circadian feeding rhythm of juvenile yellow catfish belongs to nocturnal.
二个种群的大型溞具有明显的昼夜摄食节律，早晨和傍晚为两个摄食高峰期，盐度对摄食节律无影响。
The Daphnia magna of the two population has obvious around-the clock ingestion rhythm, the morning and the evening are two peaks of ingestion. Salinity has no influence on the ingestion rhythm.
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