ecological

Some communities have even discussed the possibility of bringing wolves back into the ecological mix.

There is evidence of major ecological and geological changes during this period.

One recent study attempted to calculate the extent of this "ecological overshoot of the human economy".

To some extent, this is related to the ecological circumstances in which the animal is found.

Promoting ecological tourism is another way to help save their habitat.

The report also says that intensive livestock operations can pose serious ecological risks.

In 1975, a major advertising trade group held its first workshop on ecological marketing.

The other is to restore some of the evolutionary and ecological potential that has been lost in North America.

Many zoologists believe that it was because so many ecological niches were available with virtually no competition from existing species.

An equally important criterion is the ability of a species to survive random global ecological catastrophes due to impacts.

The park has an ecological reserve.

The forest provides crucial ecological balance.