This circulation adds energy to the Marine eco-systems.

这样的循环给海洋生态系统增加了能量。

youdao

It's an organic flow of giving and receiving that entire eco-systems are based on.

整个生态系统是基于付出与回报的有机的循环。

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Probably the biggest impact on our planet that global warming will have is the loss of eco-systems.

也许全球变暖带给我们这个星球的最大影响是生态系统的损失。

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Additionally, groundwater contributes to sustain many different types of eco-systems upon which people depend.

UNESCO: World Water Assessment Programme (WWAP)

He said the maintenance of the world's eco-systems was directly linked to the economic well-being of nations.

BBC: Prince fears Earth 'catastrophe'

Eco-systems (such as Prince William Sound) recover from oil spills to a substantial degree, and within decades, not centuries.

FORBES: A Gulf Spill Reality Check