Administering Campus: UC Davis
Location: Napa County, on a southern peninsula of Lake Berryessa;
half-hour drive from the Davis campus.
Latitude: 38°49'04" N
Longitude: 122°14'28" W
USGS Map: Lake Berryessa, Monticello Dam, Capell Valley, and Mt.
Size: 784 ha (1,937 acres)
Elevation: 134 to 462 m (440 to 1,516 ft)
Average Precipitation: 62 cm (24 in) per year
Average Temperatures: January: 8°C (46°F), July: 28°C
Summer max: 45°C (113°F), min: 4°C (39°F)
Winter min: -11°C (13°F), max: 27°C (81°F)
Topography: Rugged peninsula extending into major reservoir.
Geology: Terrain consists entirely of soils derived from Lower
Cretaceous-Upper Jurassic marine mudstone, siltstone, sandstone,
Habitats: Grasslands, savanna, oak woodlands, and chamise chaparral.
Species Diversity: Estimated 3,700 insect species; confirmed 22
amphibian/reptile species; 132 bird species; 18 mammal species.
Databases: Data from onsite weather station established January
2002. Species lists for vegetation, butterflies/moths, amphibians/reptiles,
birds, and mammals. Some research data on frogs, woodrats, ticks,
brush mice, and invasive grasses.
Facilities: Field station includes one bedroom, a laboratory/workspace,
full kitchen, and bath. Camping areas available for class use.
Personnel: Roving staff of reserve manager and stewards; no permanent
NRS Publications: Reserve brochure published 1993.
Virginia L. (“Shorty”) Boucher
Reserve Manager, UCD NRS
DESP / Wickson Hall
University of California
Davis, CA 95616
Photo Credits: Title, Newt (Karen Mabry)