Answer:
Carrying capacity
Explanation:
Carrying capacity is the quality of the average density of the population at which its number starts to decrease. The carrying capacity is different for each of the species.
So that in some areas it arises or declines from its carrying capacity. It declines from year to year and it can be a decline or arise day by day. There are variations in the seasons. Drought is a different cause of the decrease in the available vegetation.