Vancouver island is off the west coast of canada, north of washington state. the island is divided by mountains, the vancouver island range. describe what the climate must be like on the west and east sides of the mountain range.

Vancouver Island is divided in two by the chain of Vancouver Island Ranges that cover it in its entirety. The highest point of this chain is the Golden Hinde, 2,195 meters high. The island's climate is among the mildest in all of Canada. In summer, maximum temperatures reach 30 ° C. The west coast is one of the most humid places in North America and, apart from some areas of Chile, one of the most humid regions in the world along with the equatorial territories. In the towns of Tofino and Ucluelet the average annual rainfall is 3300mm.

The eastern coast, especially in the southern part, has a quasi-Mediterranean climate with the driest summer season, and maximum temperatures reaching 30 ° C and minimum in the winter of -7 ° C.

sheep is a herbivore animal whereas grasshopper belongs to the class chordates but both of them feed on greens.  

if grasshopper and sheep feeding on a pasture land, i do not think both of them will have any impact on each other. however, the number of the species can make difference. since sheep feed on greens, there is a possibility there left no pasture land for the grasshoppers or they may get extinct.