The extinction rate of plants in this area is higher than their colonization rate.

在沙漠化过程中植物种的绝灭速率大于定居速率。

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The device has some advantages like higher fire extinction rate, less fire damage and better water-saving.

采用细水雾灭火系统，该设备灭火成功率高、火灾损失小、 节水等特点。

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Current extinction rate projections may be overestimating the role of habitat loss on species, a study suggest.

一项研究显示，现有物种灭绝速率预测可能高估了栖息地缺失对物种的影响。

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Some estimates suggest species extinction because of human activity is about 1,000 times faster than the natural rate of loss.

VOA: standard.2010.01.31

That made it the most valuable charity auction to support conservation projects, which is important, because as DiCaprio mentioned in his opening speech, less than 2% of philanthropic dollars globally support conservation projects, despite the fact that 140, 000 animal and plant species are becoming extinct every year, which is 10, 000 times the historic extinction rate.

FORBES: Leonardo DiCaprio's Charity Auction Raises $38M To Fund Global Conservation