The environmental capacity of migrants in the Three Gorges reservoir area essentially refers to () A. Environmental problems B. Cultivated land problems C. Resource problems D. Rural migrants in the r

The environmental capacity of migrants in the Three Gorges reservoir area essentially refers to () A. Environmental problems B. Cultivated land problems C. Resource problems D. Rural migrants in the reservoir area. D

This question examines the environmental population capacity. The factors that affect the environmental population capacity are: the richness of resources, the level of science and technology, the degree of economic development, the degree of opening to the outside world, the education and consumption level of the population, etc. Among them, the richness of resources and the level of science and technology are important factors restricting the environmental population capacity, and the resource situation is the primary factor affecting the population carrying capacity. The environmental capacity of immigrants in the Three Gorges reservoir area essentially refers to the resettlement of rural immigrants in the reservoir area. So choose option d in this question.