BIOL 350 Lecture Notes - Lecture 3: Megaphone, Maritime Geography, Aquifer

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Final exam: 50%, poster assignment: 20%, participation in on-line discussion: 10%, biweekly quizzes: 20% A drop in the bucket for a snap shot of time, Renewable resources: soil, water, forest, fisheries the sustainable rate of use can be no greater than the rate of regeneration: e. g. a rate of fishing that is no greater than the rate of fish population growth. Non-renewable resources: fossil fuels, mineral ores sustainable rate can be no greater than the rate at which a renewable resource can be substituted for it. For pollutants sewage, nitrogen deposition, pesticides, carbon emissions the sustainable rate of emission can be no greater than the rate at which the pollutant can be recycled, absorbed or rendered harmless in its sink. Accumulated outputs often also reduce inputs: e. g. using fossil fuels creates carbon emissions which in turn changes climate and affects agricultural yields. Collapse: empty sources and full sinks, alas atlas math.

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