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View Resource Chemical Competition in Peatlands

These lab exercises were designed to enhance studentsí understanding of the concept of chemical competition in ecology. They use the moss Sphagnum to illustrate the concept, which shows students that...

View Resource How many species are there? Determining species richness

One of the simplest questions an ecologist can ask about a site is how many species live there. The answer is important for basic researchers and managers alike, but can be deceptively hard to...

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View Resource Effects of multiple invasive species in experimental aquatic communities

In this exercise, students first work in small groups to collect background information on what mosquitofish and bullfrogs consume and then modify a food web based on that knowledge. Students then...

View Resource Issues in Ecology, Issue 17: Ecological Dimensions of Biofuels

The promise of biofuels as a renewable, environmentally friendly energy source has driven a worldwide expansion in their production. However, many questions remain about how to produce biofuels...

View Resource Issues in Ecology, Issue 18: Climate Change and U.S Natural Resources: Advancing the Nation's Capability to Adapt

Climate change is affecting land, water, and biodiversity in a variety of ways. While managing ecosystems and resources by relying on an expected set of climate conditions may have worked in the past...

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