The selection principles for regional ecosystem health index are discussed.

探讨了区域生态系统健康指标选择原则。

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Regional ecosystem types, such as grass land, desert, and deciduous forest, are called biomes.

地区的生态系统，例如草原、荒漠和落叶林又被称为生物带。

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Study on the method of quantitative assessment for regional ecosystem is significant in constructing and protecting regional ecosystem.

研究区域生态系统定量评价方法对区域生态系统的建设与保护具有十分重要的意义。

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It called on the government to use the current round of European negotiations to make the case for greater devolution of fishing policy to member states and the introduction of greater regional ecosystem-based management, among other things.

BBC: Common Fisheries Policy debate