This ecosystem is one of the fascinating paradoxes of thebiosphere: how do clear, and thus nutrient-poor, waters support such prolific and productive communities?
这个生态系统是生物圈中令人着迷的悖论之一：清澈而又缺乏营养的水域是如何支撑如此多产的群落的？
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Biocycle is the cycling of chemicals through thebiosphere.