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View Resource A Bearded Vulture (Gypaetus barbatus), a threatened species.

The Bearded Vulture (Gypaetus barbatus) is a threatened species. Many conservation programs aim to increase population size by improving survival and reproduction; however, density dependence may...

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http://www.esajournals.org/doi/abs/10.1890/1051-0761%282006%...
View Resource Issues in Ecology, Issue 10: Sustaining Healthy Freshwater Ecosystems

This report addresses the conservation of freshwater ecosystems within the United States. A comparison of the pre-settlement and current conditions of U.S. freshwater resources is provided....

http://www.esa.org/science_resources/issues_ecology.php
View Resource Issues in Ecology, Issue 09: Water in a Changing World

This report illustrates the disruption of the global water cycle as a result of human activities. The global hydrological cycle’s surface and ground water processes are detailed. The global...

http://www.esa.org/science_resources/issues_ecology.php
View Resource Tree Measurement and Carbon Cycling: A Laboratory Exercise

This article discusses the importance of teaching current environmental issues through laboratory exercises. It describes the methods that would be used in a lab exercise involving tree measurement...

View Resource Abandoned mine drainage stream in productive woods

abandoned mine drainage, Pennsylvania, anthracite mining

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