an area with a particular type of natural environment. It can be divided into smaller ecoregions.

The World Wide Fund for Nature classification divides the earth into eight ecozones. 世界自然基金会的分类将地球划分为八个生态区。

The ecozones of Canada consist of fifteen terrestrial and five marine zones. 加拿大的生态区包括十五个陆地区和五个海洋区。