It looks at a whole ecosystem rather than individual species and gives significant involvement to state and local governments.

For from this act arose at length two distinct human species.

Conservation can focus on preserving diversity at genetic, species, community or whole ecosystem levels.

You know how we throw money at endangered species.

Serena Davies reviews the first episode in a new series looking at endangered species.

These butterflies are so quick and easy to make the more enthusiastic amongst you will probably want to try your hand at producing various named species!

In ecology, the analogy would be cataloguing animals at the genus level, rather than species.

The other approach (Orlando et al.) looks at fewer genes, but more lemur species.

It forces the fishermen to take a look at other species.

You should look at species whose fossils are far more common.