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Ecological Core Concepts -- Ecosystems -- Production and respiration

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View Resource Are males cheaper than females? Male and female costs of reproduction

In this TIEE experiment, students investigate the costs of reproduction. In dioecious plants, a female's investment in reproduction is typically much greater than a male's, because while both sexes...

http://tiee.esa.org/vol/v7/experiments/stehlik/abstract.html
View Resource Comparing the Influence of Precipitation, Fire, and Topography on Plant Productivity in the Tallgrass Prairie

This Data Set allows students to use long-term data from Konza to explore the relationships between multiple characteristics of a tallgrass prairie ecosystem and the productivity of prairie plants....

http://tiee.esa.org/vol/v3/issues/data_sets/konza/abstract.h...
View Resource 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...

http://tiee.esa.org/vol/v2/issues/data_sets/cedar_creek/abst...
View Resource 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...

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...

View Resource One McBug Burger Please: Eating insects in ecology class to contextualize climate change discussion

Ecosystem services associated with invertebrates might include soil aeration by earthworms, pollination by bees or habitat provision by coral reefs. However, we do not typically list provision of...

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View Resource Rainforest carbon cycling and biodiversity: A simulation model learning tool

This modeling activity simulates how atmospheric CO2 concentrations, which influence global climate, increase with deforestation and decrease during reforestation. As fast-growing tropical trees...

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http://www.nrem.iastate.edu/ECOS/rfsims
View Resource The influence of Acidification on Ammonification

This experiment examines the influence of moderate (pH 5.5) to extreme (pH 3.5) sulfuric acid-induced acidification on the ability of soil microorganisms to conduct ammonification. Two common soil...

View Resource Using Owl Pellet Analysis to Explore Space Use and Productivity

Laboratory exercise to teach undergraduates about factors determining territory size. It begins with dissecting owl pellets and leads students through a series of calculations. A key theme is the...

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