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Ecosystems in Action: Cycling of Matter & Energy

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6-8, 9-12 Hudson River Ecology

Ecosystems are defined as all the organisms along with all the components of the abiotic environment, interacting together as a system, within specific spatial boundaries.  The Hudson's ecosystem is connected by the streams, rainfall, runoff and seepage to the forest, atmosphere, and groundwater systems that are in its watershed and airshed.