Conservation = existence

You cannot begin to preserve any species of animal unless you
preserve the habitat in which it dwells. Disturb or destroy
that habitat and you will exterminate the species as surely
as if you had shot it. So conservation means that you have to
preserve forest and grassland, river and lake, even the sea itself.

This is not only vital for the preservation of animal life
generally, but for the future existence of man himself —
a point that seems to escape many people.

Gerald Durrell, naturalist and author (1925-1995)