▁divine ▁scen ery ▁was ▁itself ▁a ▁source ▁of ▁profit ▁– ▁tour ism ▁– ▁in ▁order ▁to ▁push ▁aside ▁what ▁they ▁saw ▁as ▁a ▁far ▁greater ▁a venue ▁of ▁explo itation : ▁resource ▁extra ction . ▁By ▁ 1 9 3 0 , ▁even ▁the ▁conservation ▁movements ▁within ▁Canada ▁came ▁to ▁understand ▁that ▁the ▁country ' s ▁National ▁Park s ▁had ▁an ▁ent rench ed ▁system ▁of ▁profit - based ▁mot ives . ▁ ▁E colog ical ▁integrity ▁According ▁to ▁Park s ▁Canada , ▁e colog ical ▁integrity ▁is ▁defined ▁as ▁a ▁state ▁where ▁three ▁elements ▁exist ▁which ▁are ▁non - l iving ▁elements , ▁living ▁elements ▁and ▁series ▁of ▁e colog ical ▁functions . ▁By ▁having ▁all ▁three ▁elements , ▁there ▁are ▁health y ▁e cos ystem . ▁E cos ystem ▁in ▁National ▁Park s ▁has ▁been ▁often ▁dam aged ▁due ▁to ▁the ▁explo itation ▁of ▁resources , ▁the ▁expansion ▁of ▁tour ism ▁and ▁external ▁land ▁use ▁practices ▁outside ▁National ▁Park s . ▁Through ▁Park s ▁Canada ▁real izing ▁the ▁necessity ▁of ▁man aging ▁National ▁Park s ▁by ▁human ▁hands ▁to ▁maintain ▁bi otic ▁and ▁ab i otic ▁components , ▁Park s ▁Canada ▁placed ▁an ▁emphas is ▁on ▁e colog ical ▁integrity ▁within ▁the ▁National ▁Park s ▁that ▁marked ▁a ▁shift ▁from ▁profit ▁to ▁pres ervation . ▁ ▁The ▁change ▁in ▁values ▁is ▁derived ▁from ▁the ▁establishment ▁of ▁ 1 9 3 0 ▁National ▁Park s ▁Act ▁that ▁limited ▁use ▁of ▁resource ▁for ▁park ▁management , ▁and ▁in ▁ 1 9 7 9