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Ecological Core Concept is Ecosystems -- Biogeochemical cycling

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		Hubbard Brook Streamflow Response to Deforestation This teaching activity explores what the short- and long-term effects of a whole-watershed deforestation experiment are on streamflow. Students can use an MS Excel file or hard copy of data to graph...		More Info

		How Much Water Do We Use? This short film presents the one of the basic concepts of a hydrologic cycle, a water budget. How much water is there? Where it is and how does it move. For example, how does land use effect the...		More Info

		Forest Ecosystem Responses to Chronic Nitrogen Additions In this activity, students work with data collected during 15 years as part of a long-term research project at Harvard Forest. Students analyze the data to address the question, "How have stands of...		More Info

		Experimental Aquatic Ecology in Stormwater Detention Ponds The exercises described in the article focus on the water quality management of small aquatic ecosystems, namely, stormwater detention ponds. One exercise focuses on management of sedimentation and...		More Info

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