Conservation of ecosystems and the species within them could help to maintain the natural balances disrupted by recent human activity.

保护生态系统，保护物种将有助于维持自然界的平衡，而这样的平衡已经被近年来的人类活动打破。

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Conservation of arid zone mangrove ecosystems along the Red Sea (Djibouti, Egypt, Eritrea, Saudi Arabia, Somalia, Sudan, United Arab Emirates and Yemen).

红海沿岸干旱地带红树林生态系统保护(吉布提、埃及、厄立特里亚、沙特阿拉伯、索马里、苏丹、阿拉伯联合酋长国和也门)。

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They all move to address particular problems that are conservation-related. That is, the choosing of which ecosystems to focus energy and resources on, around the world.

他们力图解决世界上各种事关环保的特殊问题，如选择何种生态系统，能源和资金问题该怎么解决。

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Change in climate could jeopardize the conservation of natural ecosystems and the sustainability of socioeconomic systems.

UNESCO: Rio+20: harnessing the potential of science to build green societies | United Nations Educational, Scientific and Cultural Organization

Hitachi : Shigeru Azuhata explained how a large Japanese conglomerate focusing on the social infrastructure business can be committed to the conservation of resources and the preservation of ecosystems.

FORBES: International Business Commits To Biodiversity Responsibility

Held in conjunction with the UNESCO Office in Doha, the trip was aimed at raising awareness of the students, with the focus on basic mangrove ecology, the importance of ecosystems for biodiversity conservation, re-creation, and carbon sequestration.

UNESCO: THEMES