Even if the imam wished to designate it as protected grazing land for the animals of the Muslims, if this would harm the people, he has no authority to do so, because the people share in it.

Similar to pasture is an area of the sea abundant in fish; no one may reserve it, because the people share in it. Likewise is a place where firewood is plentiful. If someone were to reserve it and claim it exclusively for himself, that would not be permissible, because the people share in this.