Koopmann Ranch I & II
Alameda
County
Species mitigation through managed grazing
California Rangeland
Trust holds two mitigation easements, totaling 137.5 acres, on the Koopmann
Ranch in Alameda County.Both mitigation easements were established to forever protect critical
wildlife and plant habitats.In May
2003, in partnership with a private developer and the California Department of
Fish and Game, California Rangeland Trust completed the first easement on 31
acres of the Koopmann Ranch. In January 2005, in coordination with the City of Pleasanton, California
Rangeland Trust completed the second easement on 107 acres of the Koopmann
Ranch. This easement was primarily based upon the Viola (Johnny-Jump-Up)
wildflower population on the ranch, and the direct relationship with the state
listed Callippe Silverspot Butterfly. Both easements provide habitat for the California tiger salamander, a state listed species, and
the California
red legged frog, a federally threatened species and a state species of special
concern.Both species are under great
threat due to development pressures in Alameda County.
The Koopmann Ranch mitigation project conserves a highly productive breeding
pond for these amphibians.By preserving
an area in which these vulnerable species harmoniously co-exist with managed
grazing, the Koopmann Ranch mitigation project illustrates the benefits
associated with continued collaboration among environmental, private business
and agricultural interest groups.