Fog at San Clemente Island, California.         Photo by TDI.

Tierra Data offers professional consulting services in natural resources planning, surveys, and management. A small business since 1986, we specialize in collaborative, interdisciplinary resolution of natural resource issues, backed up by expertise in diverse ecological sciences, remote sensing and geographic information system technologies. We are committed to a scientifically defensible approach to ecological problems, long-term client relationships, and high-quality service. Our people make the difference in facilitating better decisions for sustaining land use and ecosystems into the future.