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Audience is Grades 9 - 12

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		A Tributary Enters the Stream A tributary to the Turure River enters the main stream. The tributary (in the center of the photo) runs below the road cut. The main part of the stream (along the bottom of the photo) comes from an...	You must be logged in to access all resource information.	More Info

		Cemetery Demography This laboratory exercise examines the changes in human demographic patterns by visiting a local cemetery, collecting data recorded on tombstones, and producing a graphical representation of...		More Info

		Degradation of a Tropical Stream [resource folder] A series of photographs showing the widening of a road that then caused an increase in the sediment load in the streams below the road. The photographs show the road and the surrounding tropical...		More Info

		Drought in East Africa These Landsat images show Kenya’s Masai Mara Reserve on December 4, 1994, a year with normal rainfall, and November 27, 2009, a year when the rains failed and a severe drought overtook the land. The...	You must be logged in to access all resource information.	More Info

		Ecological Impacts of High Deer Densities This Figure Set explores the complexity of forest ecosystems with particular emphasis on the effects of expanding white-tailed deer (Odocoileus virginianus) populations on trees, birds, and people....		More Info

		Effects of Plant Biodiversity on Ecosystem Productivity within a Savannah Grassland Community This Data Set focuses on the question: How does plant biodiversity in a grassland savannah community affect ecosystem productivity? To investigate this question, students use create graphs using...		More Info

		Foraging and Flocking Behavior In this laboratory exercise, the following issues are examined: 1) why neither predators nor prey go extinct when there is a long period of nonrenewal of the prey population 2) the effects of...		More Info

		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

		Investigating the Ecology of West Nile Virus in the United States This teaching module includes two different approaches. The goal of both approaches is to introduce WNV biology and ecology. The Hometown Approach uses online data and maps to generate and test...		More Info

		Map of Trinidad with Marked Locations Three maps showing the location of Trinidad and the location of the tributary and pools included in the folder Degradation of a Tropical Stream. Blue lines represent stream path taken from...	You must be logged in to access all resource information.	More Info

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