ENV200H1 Chapter 8: ENV200 Chap 8 Notes Textbook Notes (Land Resources and Uses)
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1 y terrestrial land base of earth is about 148,940,000 square kilometers y canada has 6% of the world s total land area y canada is one of largest agricultural producers in the world. Crown land y land owned by the government (either federal or provincial) y provides vital ecosystem services that benefit humans. Include wildlife habitat, flood and erosion control, groundwater recharge and breakdown of pollutants. Subsistence agriculture y traditional agricultural method used in developing countries y depend on labor and large amount of land to produce enough food to feed oneself and one s family. Shifting cultivation y form of subsistence agriculture y short periods of agriculture are followed by longer periods of fallow (land left uncultivated) Includes slash and burn agriculture, nomadic herding and intercropping y supports small populations y. Slash and burn agriculture y type of shifting cultivation y y tropical soils lose productivity quickly when cultivated, farmers using this must.
