The Northern Ecuadorian Amazon, the principal region of colonization of migrants in Ecuador since the 1970's, has been experiencing major changes in recent years, including a rapidly growing population, fragmentation of agricultural plots, changes in land use, and increasing off-farm employment,...

The author presents three case studies (of the links between highlands and lowlands in Latin America; transmigration in Indonesia; and migration and desertification in the Sudan) to illustrate the relationship between poverty, internal migration, and environmental change in rural areas of...