Relating to ecology, the interrelationships of organisms and their environment.

Relating to ecology, the interrelationships of organisms and their environment. / Not harmful to the environment.

In an ecological manner. / regarding ecology

plural of ecology

The application of ecological methods

(biology) The branch of biology dealing with the relationships of organisms with their environment and with each other.

An ideology focusing on ecology and the environment.

A diagram that shows the relative amounts of energy or matter, or numbers of organisms within each trophic level in a food chain or food web.

A measure of how much biologically productive land and water area an individual, population or activity requires to produce all the resources it consumes and to absorb the waste it generates using prevailing technology and resource management practices.

Any beneficial natural process arising from healthy ecosystems, such as purification of water and air, pollination of plants and decomposition of waste.