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View Resource A mosaic of fields and forests in the Willamette Basin, Oregon, USA.

Different land uses have created a varied landscape in the Willamette Basin of Oregon that supports a rich array of species as well as an array of economic activities. Researchers have recently...

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View Resource The Dos Bocas dam in Puerto Rico.

The Dos Bocas dam in Puerto Rico was constructed in 1942 to generate hydroelectric power. Dams in this region prevent the migration of shrimp and fish to areas upstream of the dam. As a result,...

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View Resource Issues in Ecology, Issue 08: Effects of Aquaculture on World Fish Supply

This report discusses the negative and positive aspects of aquaculture as an alternative to harvesting wild stocks of fish. The report defines aquaculture and describes its recent growth, as well as...

View Resource Issues in Ecology, Issue 07: Nutrient Pollution of Coastal Rivers, Bays, and Seas

This report addresses coastal ecosystem degradation as a consequence of human driven increases in nutrients such as Nitrogen and Phosphorus. Effects on ecological communities such as algal blooms,...

View Resource Issues in Ecology, Issue 01: Human Alteration of the Global Nitrogen Cycle: Causes and Consequences

This report presents an overview of how humans have altered the global nitrogen cycle. An introduction to the nitrogen cycle is provided; as well as human induced nitrogen fixation and its impact on...

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