- Author: Jeannette E. Warnert
Stately oak trees with blue-green leaves – known as blue oaks – are found in the foothills of California's Sierra Nevada and coast range, and nowhere else on earth. They are valued for their beauty, wildlife habitat, shade and acorn production. Protecting the resource poses challenges since the vast majority of blue oak woodlands are part of privately held ranches where owners use the landscape to raise cattle for a living.
Researchers with UC Agriculture and Natural Resources (UC ANR) have worked with landowners for decades to help them manage these oak woodlands in ways that balance the ranchers' economic needs with ecological considerations.
In the late 1990s, Tulare County...
- Author: Rebecca Miller-Cripps
Oaks (Quercus ssp.) are one of the signature trees of California landscapes and are among the most favored by wildlife, according to the UC publication Wildlife among the Oaks.
In addition, several studies have found that open space and residential properties containing oak trees have higher property values than those areas without oak trees. Ecosystem services provided by oak forests and savannahs include recreational opportunities, shade and shelter, increased property values, aesthetic values, erosion control, air and water filtration, and food and fuel.
However, the threats to oaks are...