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Audience is Undergraduate upper division 15-16
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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....

View Resource Merriam's kangaroo rat (Dipodomys merriami), a dominant species among the desert rodent community at a long-term study site in Portal, Arizona.

Merriam's kangaroo rat (Dipodomys merriami) was the most dominant desert rodent species at the Portal Study site in Arizona for 23 of the 25 years from 1978-2002. In the early 1990s, after the second...

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View Resource A remnant oak-savannah ecosystem, rich in native plant species and also heavily invaded by exotics.

An abandoned 19th century barn is located within a remnant oak-savannah ecosystem in southwestern British Columbia, Canada. The herbaceous vegetation in the foreground includes the pink-flowered...

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View Resource Impala (Aepyceros melampus) graze in a grassy patch in the Hluhluwe-iMfolozi Park, South Africa.

Impala (Aepyceros melampus) graze on grass in the Hluhluwe-iMfolozi Park, South Africa. Grass is a major component of the diet of impala and several other species abundant in the park. A recent study...

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View Resource A Red Knot foraging for bivalves in mud exhibits its ability to flex the tips of its upper mandible (rhynchokinesis).

Red Knots (Calidris canutus) feed on bivalves that live buried in mud. Using their smart bill tip, Red Knots are able to find such hard-shelled prey very efficiently. Red Knots are highly gregarious,...

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