由于鲑鱼和胡瓜鱼这些濒危物种受到威胁，国家当局已经要求消减从该三角洲往外输水的量。

State authorities have ordered cutbacks in deliveries of water from the delta because of the threat to endangered species such as salmon and smelt.

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自然资源保护论者警告称，互联网已经成为濒危物种最大的威胁。

Conservationists have warned that the Internet is emerging as a major threat to endangered species.

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