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Primary or BEN resource type is Assignment/activity (non-laboratory)
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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 nationís ecosystems and the vital services...

View Resource When Biocontrol Isnít Effective: Making Predictions and Understanding Consequences

Invasive species are a major threat to global biodiversity, second only to habitat destruction. One solution to the invasive plant species problem is biological control. Sometimes biological control...

View Resource Of wolves, elk and willows: how predation structures ecosystems

Predator-prey interactions are among the most familiar and important in ecology, and they are also fraught with common misconceptions for students and the lay public. The notion of potential indirect...

View Resource Ecology of Disturbance

In this Issue, students will examine published data that address the ecological consequences of environmental disturbance. Disturbance is a useful topic in the teaching of ecology and about disputes...

View Resource What are the Impacts of Introduced Species?

In this Issue, students will examine published data that address the ecological consequences of introduced species. Activities engage students in data analysis and hypothesis testing, and will...

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