鱼类越冬死亡的原因鱼类越冬死亡的原因是多种因素综合作用的结果，但真中往往有一个主导因素．只有全面、具体地找出主导因素，才能及时采取有效防治措施，减少鱼类死亡，提高鱼类越冬的成活率。鱼类越冬死亡的原因主要有以下三方面：一、越冬水体严重缺氧越冬水体缺氧的... Reasons for the overwintering of fish The reasons for overwintering of fish are the result of a combination of multiple factors, but there is often a dominant factor in the real world. Only by comprehensively and concretely identifying the dominant factors can we take timely and effective prevention and control measures to reduce the death of fish and increase the survival rate of fish overwintering. The reasons for the overwintering of fish death mainly in the following three aspects: First, the overwintering water body of severe hypoxia overwintering water body anoxia ...