USGS: Science Topics: keystone species

Science Topics

Keystone species

Species whose abundance and ecological role has a dramatic effect on the other species in an ecosystem.

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Results 1 - 3 of 3 listed by similarity [list alphabetically]

Sea otter research at Western Ecological Research Center (WERC) [More info]: Webpage on research on sea otters (Euhydra lutris) in the nearshore environment of the eastern Pacific Ocean with information on status of otters on the coast of Alaska, Washington, and California and link to fact sheet in PDF format.
Selenium and stable isotopes of carbon and nitrogen in the benthic clam Corbula amurensis from Northern San Francisco Bay, California: May 1995-February 2010 [More info]: Monthly selenium concentration in this keystone species shows strong spatial and seasonal variation in a five-year series of analyses.
Sylvatic plague vaccine and management of prairie dogs [More info]: Disease is threatening these previously abundant rodents. We have developed a vaccine that can be delivered using oral baits; our work now shifts to optimizing the distribution of the vaccine.

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