ENV100Y5 Lecture Notes - Hydrosphere, Academic Journal, Novel Ecosystem
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ENV100Y5 Full Course Notes
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Environ to form a ring around or to surround. Environment: the sum total of our surroundings, including all of the living things and nonliving things with which we interact and includes: Biotic: living things- animals, plants, forests, soils. Abiotic: nonliving things- continents, oceans, clouds, icecaps. Legal issues: the environment is a legal entity. Natural resource: any of the various substances and energy sources we need in order to survive. Non-renewable natural resources: a natural resource that is in limited supply and is formed much more slowly than we use it: crude oil, natural gas, coal, copper, aluminum, and other minerals. Resource management: strategic decision making about who should extract resources and in what ways, so that resources are used wisely and not wasted. Aim: balance the rate of withdrawal from the stock with the rate of renewal/regeneration. Stock: the harvestable portion of a resource. Paleolithic/stone age period: control of fire, use stones as tools to modify their environment.