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View Resource Nitrogen biogeochemistry of headwater catchments underlain by discontinuous permafrost

In this TIEE data set, students answer the question of what influences flux of nitrogen from catchments underlain by discontinuous permafrost. Students work with a large dataset describing nitrogen dynamics in the Caribou-Poker Creeks Research Watersheds, small watersheds in the boreal forest that are underlain with various extents of permafrost cover. Students use spreadsheet and graphics...

 

Publisher: EcoEd Digital Library

View Resource Issues in Ecology, Issue 14: Setting Limits: Using Air Pollution Thresholds to Protect and Restore U.S. Ecosystems

The purpose of this report is to distill advances in the science of air pollution thresholds and to describe their use to assess, protect and manage the nation’s ecosystems and the vital services they provide. We focus here on the environmental impacts of nitrogen, sulfur, and mercury and refer to connections to climate change. The discussion draws on the published research of hundreds o...

 

Publisher: EcoEd Digital Library

View Resource Issues in Ecology, Issue 13: Active Teaching on Carbon Dynamics in Ecosystems

All ecology texts include figures showing carbon cycles of various types (terrestrial, marine, global, etc). However, education research shows that introductory level students (both college and high school) and many citizens do not understand the biological and ecological processes that are the foundation for these cycles.

 

Publisher: EcoEd Digital Library

View Resource 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 pine and hardwood forest responded to long-term nitrogen fertilization?" Students address the question using data on several ecosystem characteristics and processes: net primary productivity, tree...

 

Publisher: EcoEd Digital Library

View Resource 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 short- and long-term streamflow response to a whole-watershed manipulation. Students can then compare results to baseline data, draw conclusions about hypotheses, and consider implications of...

 

Publisher: EcoEd Digital Library

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