San Diego Management & Monitoring Program


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Mountain lion Puma concolor

Goal: Enhance and expand areas occupied by mountain lion in San Diego County in large interconnected blocks (>1,000 acres) of suitable natural vegetation surrounded by a limited number of high use roads, and increase connectivity (and reduce potential road mortality) between occupied and suitable habitat areas to allow expansion and movement of mountain lion occurrences within San Diego County and adjacent counties to increase effective population size to sustainable levels and work to reduce depredation on livestock to ensure persistence in the MSPA over the long-term (>100 years).

regional NFO 2017, 2018, 2019 SL

MGT-DEV-BMP PUMCON-6

Management units: 5, 8, 9, 10

Beginning in 2017, support efforts by UC Davis Wildlife Health Center and others to test the effectiveness of various methods to deter mountain lions and other native predators from preying on livestock/domestic animals in locations where depredation permits have been issued in recent past, with the goal of reducing depredation permits by 50%.
Action Statement Action status Projects
DEV-1 Research existing predator deterrent systems for their applicability to southern California wildlife communities. in progress Mountain Lion Road Crossing and Deterrent Methods Evaluations
DEV-2 Implement quantitative pilot study to evaluate effectiveness of various methods in deterring native predators from taking livestock. in progress Mountain Lion Road Crossing and Deterrent Methods Evaluations
DEV-3 From these studies, establish a set of "Best Practices" for protecting livestock from native predators. in progress Mountain Lion Road Crossing and Deterrent Methods Evaluations
DEV-4 Support efforts in the development of outreach materials to livestock owners on proper husbandry and native predator deterrence techniques to protect livestock from native predators. in progress Mountain Lion Road Crossing and Deterrent Methods Evaluations
DEV-5 Submit project metadata, data, and BMPs to MSP web portal. in progress Mountain Lion Road Crossing and Deterrent Methods Evaluations
Criteria Deadline year
Best Practices for Reducing native predator take of domestic livestock developed and disseminated to landowners. 2021