Average probability of grey squirrel presence according to land cover type.

p = mean predicted probability of presence according to habitat type.Average probability of grey squirrel presence according to land cover type.p为依据生境类型（habitat type）的物种存在平均预测概率，即依据土地覆盖类型（land cover type）的灰松鼠（grey squirrel）存在的平均概率。