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View Resource Issues in Ecology, Issue 05: Biotic Invasions

This report is an introduction to exotic species invasions. An exotic species becomes invasive, when it proliferates unchecked across the region in which it was introduced. The transformation from...

View Resource Issues in Ecology, Issue 04: Biodiversity and Ecosystem Functioning

In this report, biodiversity and its relevance to the ecosystems that support humanity is discussed. Ecosystem functioning is defined as the collective activities of all biota within an ecosystem...

View Resource Issues in Ecology, Issue 03: Non Point Pollution of Surface Waters

This report addresses pollution of aquatic ecosystems that originate from multiple unidentified sources or non point sources. Non point sources of phosphorus and nitrogen are of concern as they...

View Resource A coral-dwelling goby (Gobiodon histrio), one of several species that coexists among coral by means of a competitive lottery.

Habitat space is a limiting resource for coral-dwelling gobies. The species pictured, Gobiodon histrio, coexists with an ecologically similar species in the same genus, Gobiodon erythrospilus, by...

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View Resource The Kuparuk River, an arctic stream ecosystem on the North Slope of Alaska.

The Kuparuk River flows to the Arctic Ocean from the foothills of the Brooks Range, seen to the south in the background. The Kuparuk River was experimentally enriched with phosphorus every summer...

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