讨论的主题包括对森林破坏的协同研究，如何扑灭森林火灾，以及关于森林生态系统的欧洲研究项目的扩展。
The topics discussed included the co-ordinated study of the destruction of forests, as well as how to combat forest fires and the extension of European research programs on the forest ecosystem.
已知或可能的损害包括海洋酸化、热带雨林消失、生态系统退化还有沙漠化。
Known or probable damage includes ocean acidification, loss of rain forests, degradation of ecosystems, and desertification.
同样，不让重要的稀有物种消失是为了保持生态系统的完好无损，包括在其顶端的食肉动物。
As important as keeping rare species from disappearing, he says, is keeping ecosystems - including its top predators - reasonably intact.
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