Restoration Ecology and Waste Management project

Restoration Ecology and Waste Management project - 6/13/11...

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Click to edit Master subtitle style 6/13/11 Restoration Ecology and Waste Management (chapter 15.5) Kia Salehi
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6/13/11 Problems with Modern lifestyle As quality of life improves in modern society, we create more wastes. Consumer goods’ wastes, medical wastes, fuel usage, sewage wastes are all a result of our modern
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6/13/11 Methods of Maintaining a sustainable lifestyle 1. Refuse 2. Reduce 3. Reuse 4. Recover 5. Recycle The 5 Rs: Using Public Transport Conserving Water
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6/13/11 Earth’s Carrying Capacity Human population that earth can support Earth’s capacity to provide clean water, food and resources at present rate of consumption Hard to estimate due to changing conditions and human consumption rates Some scientists estimate 40 billion humans, while others claim we have already passed
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6/13/11 Monitoring Carrying capacity Biologists collect data from ecosystems to monitor changes. Baseline data - initial information about ecosystem that future data can be Indicators - Chemicals or organisms found in ecosystems that are an indicator of quality of environment. 3 types of indicators : 1. Empirical indicators : smell and turbidity of lake water 2. Chemical Indicators : dissolved oxygen levels in lake water (certain levels needed for fish to survive) 3. Biological Indicators : Frogs are very sensitive to certain pollutants. A sudden decline in frog population or increase in incidence of sick frogs may be an indication of Indicator Specie:
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6/13/11 Human impact on carrying capacity Threshold - Tolerance limit of an ecosystem’s carrying capacity (of human The ideal ecological footprint would be to limit use of resources to levels that can be regenerated by the earth as fast
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This note was uploaded on 06/12/2011 for the course BIOL CHEM 1000 taught by Professor Williampietro during the Spring '10 term at York University.

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Restoration Ecology and Waste Management project - 6/13/11...

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