Environmental Science 1021F/G Lecture 5: Feeding the World
10 Mar 2020
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Document Summary
Exam q: compare and contrast the different forms of habitat loss giving examples of each and discuss their relative effect on local biotia. Describe the relative contribution of different sectors of the agricultural industry to food provisions. Discuss the different types of methods used in agriculture. Discuss the environmental impact of food agriculture and list alternative agriculture practices. A worldwide effort to improve crop yields due to widespread famine, and countries not producing enough food. Developed world going to the developing world and increases agriculture practices. Done by: pesticides, irrigation systems, fertilizers, modern farming, equipment. Effect: 1000% increase in production and 20% reduction in famine. 7% of total land area is agriculture. Agriculture is disrupted in areas that are constrained by useable soil, temperature, landscape, soil nutrients. Canada has less agriculture than you would have globally. Monoculture = a farming method in which one variety of crop is planted, typically in rows over huge areas of land.
