Aquaculture is the cultivation of fish, marine plants and organisms by farming and husbandry in controlled environments. It's one of the most important sources of food production for both humans and animals. It's also a source of fertilizer, aquarium fish - such as koi, food additives, cultured pearls and cosmetics. The aquaculture industry has grown greatly since the 1950s as the world's seas, lakes and rivers have become over exploited and nature has not been able to keep up with our demand for fish.
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