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Fish Food from Cattle Waste

机译:牛粪中的鱼类食品

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摘要

Nature recycles virtually everything. In the great ecological cycle of producers, consumers, scavengers and decomposers, little goes to waste. Nutrients build living bodies and are then liberated to take their part in a new cycle of life, but human intervention has broken that cycle. Fisheries and farming take vast amounts of nutrient from the oceans and the land. Sent as food to the cities, it turns eventually to colossal quantities of waste; a source of potential pollution rather than the building blocks of new life.
机译:大自然回收几乎所有东西。在生产者,消费者,清除者和分解者的巨大生态循环中,几乎没有浪费。营养物质造就了生物,然后被解放以参与新的生命周期,但是人类的干预打破了这一周期。渔业和农业从海洋和陆地中吸收了大量营养。作为食物送到城市,最终变成了巨大的废物;一种潜在的污染源,而不是新生命的基础。

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