GEOG 139 Lecture Notes - Lecture 6: Shifting Cultivation, Social Change, Agroforestry
5 Apr 2018
School
Department
Course
Professor
Document Summary
Increased wage and migration to the united states. Reservoirs built to collect and store water, but following large drought the reservoir went dry in 2005. Water consumption is very high in some areas and it causes the areas to be very sensitive to drought. Social consequences of agriculture in a globalized world. Mexico is producing more corn as ever, yet still is eating more corn from. U. s. because it"s cheaper for them to buy (u. s. produces so much that it"s very cheap for them. Regular consumers benefit from having year round agriculture and cheap production of agriculture (allows us to have salad year round, and luxuries and be able to buy what we want when we want it) Shifting within a single field vs shifting across a landscape. Semi-peripheries and peripheries, primarily tropical and subtropical areas with nutrient-poor and acidic soils.
