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水體的生物多樣性急劇減少，稱作水域

參考答案：富營養(yǎng)化。

解析：水體的生物多樣性急劇減少，通常是因?yàn)樗w的富營養(yǎng)化現(xiàn)象。富營養(yǎng)化是指由于過量的營養(yǎng)物質(zhì)（主要是...

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