The method of agro-ecological region by FAO is used to calculate the productive potentialities and population bearing capacity of land in Mancheng County, Hebei Province.

本文采用联合国粮农组织的农业生态区域法计算了满城县的土地生产力及人口承载力。

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He is concerned that an increase in traffic in the region could have a damaging ecological effect on the Arctic.

他担心这个地区的交通的增长会给北极的生态系统带来破害。

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Vegetation is a collectivity of the phytocommunity in a region and is a synthetical reflection about the ecological environment.

植被是一个地区植物群落的总体，是对于生态环境因素的综合反映。

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Executive Order 13554 recognized the Gulf Coast as a national treasure and addressed the longstanding ecological decline of that region, which was compounded by the Deepwater Horizon Oil Spill.

WHITEHOUSE: Executive Order -- Gulf Coast Ecosystem Restoration

Demand outstrips supply: In less the 50 years, the Mediterranean region nearly tripled its demands for ecological resources and services, and increased its ecological deficit by 230 percent.

UNESCO: OFFICE IN VENICE

One exception to regional trends: Portugal was the sole country in the Mediterranean region to have significantly narrowed its ecological deficit in recent years (an 18 percent per capita decrease between 1998 and 2008).

UNESCO: OFFICE IN VENICE