There are 8 major ecosystems in Cuyabeno:

Environmental Academy students visit and study every major ecosystem in south Florida.

There are three major ecosystems contained within the mountain range.

The Park contains several major ecosystems.

Such major ecosystems are termed as biomes.

The park was to demonstrate the heritage of the Iranian people, as well as to illustrate the major ecosystems of the world.

Each tower is structured in two levels and represent the major ecosystems of the planet.

It's part of what's left of one of North America's major ecosystems.

You'd rather play little tunes in a restaurant than work in a major ecosystem?

An estimated two thirds of major ecosystems in the world are over-utilised, and we are depleting natural capital.