A Review:Research Progress on Effects of Hypoxia on Marine Animals
Global warming has made the occurrence of regions of low oxygen saturation in the ocean increasingly frequent,which has a profound impact on oceanic animal life.Most marine animals can tolerate moderately hypoxic environments temporarily,but the increasingly hypoxic ocean is negatively affecting ecosystem biodiversity.This review describes the current status of oceanic oxygenation and its impacts on marine life,with focus on animal behavior,physiology,biochemistry,and reproduction.Population-and community-level effects of hypoxia are further discussed,along with the interplay between hypoxia and other environmental stressors.Finally,suggestions are put forward for continuing research on oceanic hypoxia,with focus on field research and the impacts of multiple stressors on marine animals.Effective utilization of existing data and continued further research is essential to address the effects of oceanic hypoxia at the individual,population,and ecosystem levels.
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