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The total capacity of the water resource is fixed, so constant immigration of population is going to result in the shortage in per capita usable water. Once the balance between population and resources is broken, ecological destruction will be inevitable.

The amount of water resources is certain so constantly immigration will cause everyone disposable water shortages. Once the population and resources of balance is broken, and will cause ecological destruction

The amount of the water resources is limited,so constantly immigration will actually lead the shortages of everyone's disposable water. Ecological destruction will be caused once the balance of population and resources is broken.

That the water resources are the same while the population is increased because of the unceasing immigration will result in the shortage of availabe amount of water resource for each person. Once the balance between the population and resource, there will be an ecological breakdo