In this paper,we study the permanence of populations of a competing chemostat model in a polluted environment.Population control is also dealt with for the model without inter species competitionin.
That same technology was deployed later in North Africa for similar purposes to help activists stay connected when governments were deliberately shutting off connectivity as a means of population control.
More than 60,000 of District Six residents were forcibly removed and expelled towards the Cape Flats area on the outskirts of the city, in the harshest example of apartheid-era population control in Cape Town.