河口及近岸海域低氧环境对水生动物的影响

被引:21
作者
顾孝连
徐兆礼
机构
[1] 中国水产科学研究院东海水产研究所农业部海洋与河口渔业重点开放实验室
关键词
低氧; 水生动物; 海洋生态系统;
D O I
10.13233/j.cnki.mar.fish.2009.04.014
中图分类号
S917.4 [水产动物学];
学科分类号
摘要
水体溶解氧浓度低于2 mg/L时,通常称水体为低氧或缺氧(hypoxia)。目前,中国的长江口等许多河口及近岸海域的底层水体出现了季节性低氧区,这些低氧区对鱼类等水生动物及海洋生态环境的影响目前仍不十分清楚,这应引起政府及研究部门的关注。本文综述了低氧区的成因,分析了低氧对水生动物的影响,特别是近年来研究较多的水生动物对低氧的分子响应研究进展,最后综述了低氧对海洋生态系统的影响。我国未来的研究应注重低氧区海洋物理、海洋生物等基础数据的收集,同时,要加强低氧区对我国主要渔场影响的研究。
引用
收藏
页码:426 / 437
页数:12
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