艾哈迈德·朱格拉夫指出，一些动植物的灭绝率高达之前的1000多倍，创历史新高，甚至影响了农作物和畜牧业。

Djoghlaf argued that extinction rates for some animal or plant species were at a historic high, up to 1, 000 times those seen before, even affecting crops and livestock.

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从另一方面说，人类对环境的恶意影响加速了动植物的灭绝，现在每年大概有多达50,000种物种从地球上消失。

On the other hand, humanity's malignant effect on the environment has accelerated the rate of extinction for plants and animals, which now reaches perhaps 50,000 species a year.

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这是达尔文为新西兰本土动植物物种所描述的，它们在来自欧洲竞争物种被引进时灭绝了。

This was described by Darwin for indigenous New Zealand species of animals and plants, which died out when competing species from Europe were introduced.

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