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Discipline Specific Core Concepts is Ecological Core Concepts -- Communities -- Species composition, abundance, and diversity
Results 31 - 35 of 39
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...

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...

View Resource A misty rainforest canopy in central Amazonia.

The central Amazon Basin is home to some of the most biologically diverse forests in the world. These rain forests are being reduced and fragmented at a fast rate (as of 2004, about 24 million...

View Resource Eucalyptus trees (Eucalyptus largiflorens) killed by prolonged flooding of the Menindee Lakes to create storage reservoirs.

A photo of the Menindee Lakes in arid Australia depicts floodplain eucalyptus trees (Eucalyptus largiflorens) that were killed by prolonged flooding after the lakes were made into storage reservoirs...

View Resource Aerial view of forest fire in pine forest in the Everglades National Park.

Fire is a natural factor that maintains the pinelands and other natural communities in South Florida. The frequency of these fires is influenced by large-scale climate cycles, particularly El Nino...

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