California

California projects

To view descriptions of our California projects, click on a pin in the map below or scroll down to browse projects by name and completion date.

Southern Sierra Nevada Fisher Assessment: The Pacific fisher (Martes pennanti) is a large member of the weasel family associated with dense, structurally complex, low- to mid-elevation forests in California and Oregon. Remaining populations are small, disconnected from one another, and threatened by habitat modification and fragmentation. In 2004, the U.S. Fish and Wildlife Service found that Pacific fishers were warranted protection under the Endangered Species Act, but that listing the species was precluded by higher priorities. (June 2008); 37.744959 -119.584531
Historic Agreement to Protect 240,000 acres at Tejon Ranch: CBI worked closely with Natural Resources Defense Council, Sierra Club, Planning and Conservation League, Audubon California, and Endangered Habitats League to negotiate the precedent-setting agreement with the Tejon Ranch Company to set aside up to 240,000 contiguous acres of spectacular and ecologically significant California wildlands. (May 2008); 34.849875032 -118.575439453
A Population Monitoring Framework For Five Subspecies of Island Fox: Due to their limited geographic distribution and small population sizes, foxes on all six islands have been listed as Threatened by the State of California, and all subspecies except those on San Nicolas and San Clemente have been listed as Endangered by the U.S. Fish and Wildlife Service due to recent precipitous population declines and high risk of extinction. In response to a request from the Recovery Coordination Group of the Island Fox Integrated Recovery Team, the Conservation Biology Institute was commissioned to develop a monitoring framework for the foxes. (June 2007); 34.248485 -119.266634
Ramona Grasslands Habitat Management Planning: A science-based adaptive habitat management plan for the approximately 3,000-acre Ramona Grasslands Open Space Preserve in central San Diego County. (January 2007); 33.0616223609 -116.860198975
Proposed Reserve Design for Tejon Ranch - A Threatened California Legacy: Given the size, integrity, and geographic context of Tejon Ranch, and the regional significance of its resources, virtually all of Tejon Ranch merits protection for future generations. We propose a wildland reserve design for the Ranch that captures the broad array of landscape functions and conservation values that it supports (May 2006); 34.7912504721 -118.498535156
Conservation Significance of Rancho Guejito: This document provides an introduction to the intersecting cultural and biological conservation values of Rancho Guejito—its cultural history, rare biological resources, its ecological functions within surrounding conserved areas, its significance to past, present, and future generations of Californians—and a plea for conservation of the irreplaceable values it supports, the loss of which cannot be mitigated elsewhere. (October 2005); 33.2157122517 -116.960449219
Sierra Checkerboard Initiative: The Trust for Public Land, the Sierra Nevada Forest Protection Campaign, California Wilderness Coalition, and others, commissioned this Science Assessment to initiate development of a vision for a more sustainable landscape in the central Sierra Nevadas. (July 2005); 39.308800296 -120.679321289
Maintaining Ecological Connectivity Across the “Missing Middle” of the Puente-Chino Hills Wildlife Corridor: An analysis of studies of wildlife movement in this area of the LA basin with recommendations for conservation and management. (July 2005); 33.8339199537 -117.691040039
Las Californias Binational Conservation Initiative: A Vision for Habitat Conservation in the Border Region of California and Baja California: A science-based plan to identify priority conservation areas in the Las Californias region. (October 2004); 32.0639555947 -116.279296875
Preliminary Aquatic Integrity Assessment for the Lower/Middle Klamath River and the Upper Sacramento River: An analysis of relative aquatic integrity focused on human impacts on salmonid habitat variables. (August 2004); 41.1538423571 -122.865600586
Conservation Assessment of the Tejon Ranch: An assessment of selected conservation values for Tejon Ranch, California. (January 2004); 34.8904368176 -118.729248047
Prospectus for a Resource Support Service for Conservation Groups in San Diego County: Over the next decade, approximately one-half million acres of habitat will be set aside for conservation in San Diego County to protect the region’s outstanding biological diversity. This draft report presents a potential strategy for initiating a conservation resource collaborative or center (CRC) to serve the conservation community. (March 2003); 33.016929 -116.846016
Wildlife Corridor Monitoring Study - Multiple Species Conservation Program: CBI conducted wildlife corridor surveys for two consecutive years to assess uses by different mammal species. (March 2003); 32.718834 -117.163841
Review of Regional Habitat Linkage Monitoring Locations: An assessment of the general locations of regional corridor monitoring locations identified in the MSCP Biological Monitoring Plan and refinement of the overall monitoring locations for the MSCP. (January 2003); 33.016929 -116.846016
The effects of watershed urbanization on stream hydrologic characteristics and riparian vegetation of Los Peñasquitos Creek: A science-based analysis of alterations in riparian vegetation due to urban development induced changes of natural flow regimes. (July 2002); 33.016929 -116.846016
Monitoring Plan for the Santa Margarita River: A quantitative assessment of the key ecological processes and ecological integrity of the Santa Margarita river system below the Temecula-Murrieta Creek confluence, the potential effects of stressors on the system, and the success of stressor abatement strategies. (May 2002); 33.41929 -117.223793
On the Global and Regional Ecological Significance of Southern Orange County: Conservation Priorities for a Biodiversity Hotspot: A science-based examination of the crucial role Orange County plays in biodiversity conservation in south-coastal California and recommendations for the Southern Orange County subregion of the Natural Community Conservation Planning (NCCP) program. (October 2001); 33.640858 -117.769355
Landscape Change Analysis for the Klamath-Siskiyou Ecoregion: An analysis of landscape change history using remote sensing (1972-1992) in the Klamath-Siskiyou ecoregion with special emphasis on forest disturbance. (March 2001); 42.433995 -123.17005
Conservation Planning for Aquatic Biological Integrity in the Klamath-Siskiyou Ecoregion Using Multiple Spatial Scales: An analysis of the Klamath-Siskiyou region from an aquatics perspective demonstrating how a multi-scale approach could be used to make improvements in conservation planning and resource management. (March 2001); 41.145569731 -123.3984375
A GIS-Based Model for Assessing Conservation Focal Areas for the Redwood Ecoregion: A model produced for Save-the-Redwoods League that was intended to help target future proactive conservation planning efforts in the region. (April 1999); 39.7071866568 -123.662109375

Southern Sierra Nevada Fisher Assessment

The Pacific fisher (Martes pennanti) is a large member of the weasel family associated with dense, structurally complex, low- to mid-elevation forests in California and Oregon. Remaining populations are small, disconnected from one another, and threatened by habitat modification and fragmentation. In 2004, the U.S. Fish and Wildlife Service found that Pacific fishers were warranted protection under the Endangered Species Act, but that listing the species was precluded by higher priorities. (June 2008)

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