HLTC43H3 Lecture Notes - Lecture 6: Littoral Zone, Millennium Ecosystem Assessment, Energy Flux

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8 Feb 2015
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Resources management: the stock is the harvested portion of resources, renewable resources can called stock-and-flow resources. Human population growth: four significant period for increasing population, paleolithic(old stone age, neolithic period (agricultural revolution) c, medical-technology revolution. The nature of environmental science: aim to comprehend how earth"s nature systems function, how human are influenced by those systems, and how we are influencing those systems, interdisciplinary field, natural science, social science. Scientific method: observations, questions, hypothesis, predictions, tests. Experiment is an activity designed to test the validity of hypothesis (involve independent variables, dependent variables ) Manipulative experiment: researchers actively choose and manipulates the independent variable. Natural experiment: results - (reject hypothesis- hypothesis) - (fail to reject hypothesis - predictions) Millennium ecosystem assessment: growing population results in substantial and largely irreversible loss, gains growing costs. Sustainability: earth and its resources can sustain us, and rest of earth"s biota, for the foreseeable future.

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