| Protecting, enhancing, and restoring the natural resources of coastal north San Diego County Home Preserve Calavera has a number of priority areas on which most of our efforts are focused. These include Natural open space natural open space land will be increased through land acquisition and reducing the impacts of development. Land Management and restoration hardline preserved lands will be managed in an integrated way that supports a healthy ecosystem. Wildlife protection functional wildlife movement corridors will be in place with such structural changes as are needed to support sustainable populations and reduce roadkill.