Montane -- the fertile land on the bottom of the Bow Valley -- may only make up 6.3% of the park, but it's at the very centre of the park's fragile ecosystem.
(Montane; may only make up; 6.3% of the park) (it; 's; at the very centre of the park's fragile ecosystem)
Montane it
may only make up 's
6.3% of the park
at the very centre of the park's fragile ecosystem