In addition, subsidies that encourage the production of marketed goods at the expense of other ecosystem services can aggravate their degradation.

此外，鼓励以其他生态系统服务为代价进行商品生产的补贴会加重环境的退化。

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Eutrophication is the main factor for the degradation of lake ecosystem.

富营养化是导致湖泊生态系统退化的主要因素。

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Grassland sandy desertification is one of the main reasons that the grassland ecosystem degradation and productivity decline continuously.

草地沙化是引起草地持续退化和生产力不断下降的主要原因之一。

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To mitigate the continued degradation of the ocean and its marine treasures, and to restore and sustain its critical market and ecosystem services, a transition must be made towards blueing the green economy.

UNESCO: THEMES

While it's true that the National Ecosystem Assessment doesn't provide a mechanism for transferring the costs of environmental degradation onto the farmer or developer who wants to plough up a wood or concrete over a floodplain, the scientists who compiled the report say decisions about how to implement their findings should be left to legislators.

BBC: Putting a price on nature

The degradation of water quality in surface and groundwater systems is further exacerbating water scarcity and negatively impacting our natural environment and the ecosystem services and goods that it provides, jeopardizing food security and livelihoods.

UNESCO: World Water Day 22 March 2010: Clean Water for a Healthy World