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Discipline Specific Core Concepts is Ecological Core Concepts -- Ecosystems -- Food webs and trophic cascades
Results 11 - 15 of 17
View Resource Split view underwater and above the surface of a stream in a deciduous forest

A small stream flows through a forest in this picture, depicting both the forested terrestrial matrix and an aquatic ecosystem. Coarse woody debris from the forest is evident in the stream. The...

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View Resource Long-term Response of an Arctic River Community to Phosphorus Fertilization

With this TIEE Data Set, students assess effects of phosphorus addition on algae, moss, mayflies, and arctic grayling fish in the Kuparuk River, in the foothills of the North Slope of Alaska. Data...

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 The red rock crab (Cancer productus) with the shell of a prey species, the native littleneck clam (Protothaca staminea).

The red rock crab (Cancer productus) is a predator of intertidal clams along the Pacific coastlines of northwestern United States and British Columbia. The crab is shown with the shell of a prey...

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View Resource An Antarctic starfish (Odontaster validus) climbs over an Antarctic scallop (Adamisium colbecki).

An Antarctic starfish (Odontaster validus) climbs over an Antarctic scallop (Adamisium colbecki) in the coastal Ross Sea. Antarctic starfish are omnivores with a wide range of potential prey and an...

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