当然，就像今天的其他环境问题一样，这是在全球变暖和人类干涉自然生态系统的背景下发生的。
Of course, like every other environmental issue today, this is playing out against the background of global warming and human interference with natural ecosystems.
关于这个问题的辩论在局部和全球范围两个层面上同时展开：生态系统的一小部分可以小到何种程度仍能维持其完整、丰富的功能，从而可以认为是受到了保护呢？
The discussion is taking place at both the local and global levels How small can a fragment of an ecosystem be and still function in all its richness and thus be considered preserved?
面对全球森林资源匮乏，生态环境日益恶化的问题，保护环境、保护森林已成为人类的共识。
With the increasing issues of forest decreasing and environment degradation, environmental protection and forest protection have drawn more and more attention from all aspects.
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