Environmental Science 1021F/G Lecture Notes - Lecture 6: Sustainable Development, Potash, Candu Reactor

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Examples of non-renewable resources: metals, fossil fuels, petroleum, natural gas, coal, oil-sand. Renewable resources have the ability to regenerate after they are harvested: potentially, they can be harvested forever without depletion, the key is to not harvest them faster than their regeneration, or to otherwise mismanage them. Lecture 6 (week 7) october 26, 2011: emitted co2 can be offset by a net increase in organic-carbon in tree biomass. Management can increase biological resources: selective breeding and domestication can develop crop varieties that are much. Loss of a renewable resource timber: damage to forest biodiversity. Severe depletion of fish stocks has become common throughout the world"s oceans. Loss of cod stocks in atlantic canada: depletion of salmon runs in british columbia, this damage is caused by several factors, over-fishing catch rates that exceed regeneration, damage caused to breeding rivers of salmon. Depletion of fish stocks is a terrible problem:

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