, ▁under ▁re vised ▁National ▁Park s ▁Policy , ▁the ▁maintenance ▁of ▁e colog ical ▁integrity ▁was ▁prior it ized ▁for ▁the ▁pres ervation ▁of ▁National ▁Park s ▁of ▁Canada . ▁In ▁ 1 9 8 8 , ▁the ▁National ▁Park s ▁Act ▁was ▁am ended ▁and ▁the ▁reg ulation ▁of ▁e colog ical ▁integrity ▁was ▁emb od ied . ▁However , ▁due ▁to ▁the ▁conflic ting ▁interests ▁of ▁profit ▁and ▁pres ervation , ▁the ▁maintenance ▁of ▁e colog ical ▁integrity ▁has ▁progress ed ▁slowly . ▁ ▁The ▁big ▁movement ▁on ▁maintenance ▁of ▁e colog ical ▁integrity ▁has ▁happened ▁since ▁ 2 0 0 1 . ▁Canada ▁National ▁Park s ▁Act ▁of ▁ 2 0 0 1 ▁rein for ced ▁the ▁necessity ▁of ▁maintenance ▁and ▁rest or ations ▁of ▁e colog ical ▁integrity ▁by ▁saving ▁natural ▁resources ▁and ▁e cos ystem . ▁It ▁sets ▁new ▁principles ▁for ▁park ▁management ▁plans . ▁W ilder ness ▁areas ▁in ▁the ▁Ban ff , ▁Jas per , ▁Y oh o ▁and ▁K oot en ay ▁National ▁Park s ▁have ▁been ▁officially ▁design ate ▁land ▁as ▁w ilder ness ▁in ▁national ▁par ks . ▁The ▁boundaries ▁of ▁all ▁communities ▁in ▁national ▁par ks ▁are ▁changed ▁and ▁the ▁develop ments ▁of ▁commerce ▁in ▁their ▁communities ▁are ▁restricted . ▁Prof it ▁no ▁longer ▁became ▁priority ▁and ▁initi ative ▁for ▁pres ervation ▁through ▁e colog ical ▁integrity ▁increased . ▁ ▁To ▁maintain ▁or ▁restore ▁e colog ical ▁integrity , ▁e cos ystem ▁rest or ations ▁are ▁implemented ▁in ▁many ▁par ks