Ecosystems

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Department
Biological Sciences
Course
BIOA02H3
Professor
Kamini Persaud
Semester
Winter

Description
Ecosystems and Global Ecology Earth is a closed system with respect to matter open system with respect to energy. The 4 Compartments of the Earth: OCEANS Over very long time scales, most materials that cycle through the four compartments exchange materials with end up in the oceans. the atmosphere only at their surface respond slowly to inputs, receive material from land in river runoff FRESH WATER In lakes, nutrients taken up by aquatic organisms end up as part of the sediment Surface waters of lakes become depleted in nutrients Bottom- water becomes depleted in oxygen.
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