(1) For the purposes of this Act,
"biodiversity" is the variety of living animal and plant life from all
sources, and includes diversity within and between species and diversity of
ecosystems.
(2) For the purposes of this Act,
"biodiversity values" are the following biodiversity values--
(a) vegetation
integrity--being the degree to which the composition, structure and function
of vegetation at a particular site and the surrounding landscape has been
altered from a near natural state,