Essay on the Important Forms of Population Dispersion (691 Words)
Essay on the Important Forms of Population Dispersion !Populations have a tendency to disperse, or spread out in all directions, until some barrier is reached. Accordingly, population dispersion is the movement of individuals into or out of the population area. It takes three forms: emigration—one way outward movement; immigration—one-way inward movement; and migration—periodic departure and return. image source: c14608526.r26.cf2.rackcdn.com ADVERTISEMENTS: Dispersion supplements natality and mortality in shaping population, growth form and density, and also it plays a significant role in the distribution of plants and animals even to the areas previously unoccupied by the members of the population.Most types of population dispersion occur due to a number of reasons such as for obtaining food, avoiding predators, preventing overcrowding, result of action of wind and water, environmental factors as light and…