These bacteria may be part of a constant feedback between terrestrial ecosystems and clouds.

With much of the land open on farms having an edge allows a safe-haven for animals to move between different ecosystems.

Books also use natural systems metaphors without discussing the interfaces between human business and biological ecosystems.

Unfortunately, these populations are isolated from each other, inhibiting any genetic flow between ecosystems.

Established in 1990, the goal of the field trip is to demonstrate to students the relationship between ecosystems and human activity.

Migration between ecosystems was probably limited due to the efficient occupation of every niche in these environments.

It has been suggested that the bacteria are part of a constant feedback between terrestrial ecosystems and clouds.

Moreover, he figured out the links between cities and ecosystems into three phases.

The relationship between fisheries and marine ecosystems is obvious.

To understand the relationships between humans and natural ecosystems through the services derived from them, consider the following cases: