长江流域历来是水生生物理想的栖息地、繁殖场及重要的洄游通道。
Yangtze River had always been the ideal habitat, breeding ground, and migration channel by aquatic organisms.
渔业水域，是指鱼虾类的产卵场、索饵场、越冬场、洄游通道和鱼虾贝藻类的养殖场。
"Fishing areas" means spawning grounds, feeding grounds, wintering grounds and migration channels of fishes and shrimps , and the mariculture waters of fishes, shrimps shellfishes and algae.
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