ENV100 Sept 26.docx - ENV100 Central Case The Plight of the...

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ENV100 September 26, 2016 Central Case: The Plight of the St. Lawrence Belugas The beluga is “vulnerable” and is an indicator for the Great Lakes-St. Lawrence ecosystem Decreasing population – GI cancers Pollutants come downstream from Great Lakes o Agrochemicals – hypoxia, eutrophication o Organochlorides (eg PCBs) o Biomagnification of contaminants o Requires a systems-based approach A System is a portion of the universe that can be separated from the rest, for the purpose of studying changes that occur within it, under changing conditions Environmental science today takes a systems approach Environmental entities are complex systems that interact with each other Network of relationships among components that interact with and influence one another To solve environmental problems, all appropriate systems must be considered Many other disciplines also use a system approach and General Systems Theory
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  • Spring '14
  • BarbaraMurck
  • general systems theory, St. Lawrence Belugas

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