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San Diego fairy shrimp Branchinecta sandiegonensis

Goal: Protect, enhance, and restore San Diego fairy shrimp occupied and historically occupied habitat to create resilient, self-sustaining populations that provide for persistence over the long-term (>100 years).

local NFO 2018, 2019, 2020, 2021 SL

Management units: 2, 3, 4, 5, 6

Beginning in 2018, conduct annual qualitative surveys during the wet season to determine the presence of San Diego fairy shrimp in vernal pools on Conserved Lands. Every 3 years conduct dry season quantitative cyst soil sampling at a rotating panel of vernal pools to determine the density of San Diego fairy shrimp cysts, as identified by genetic analysis. Use methods and protocols specified in the City of San Diego Vernal Pool Management and Monitoring Plan (VPMMP; 2015) . Determine whether the pools fall into Level 1 (stable), Level 2 (enhancement) or Level 3 (restoration) management categories based on the presence of shrimp among pools in each complex and track increases or declines in cyst densities over 3 monitoring years to determine if movement is triggered between management categories as identified in the VPMMP. If there is sufficient decline in San Diego fairy shrimp cyst density to trigger an increase in management levels as identified in the VPMMP, then more intensive monitoring is required to determine topographic or hydrologic disturbances as described in the VPMMP.

Action Statement Action status Projects
IMP-1 Submit project metadata, datasets, and monitoring reports with management and Monitoring recommendations to the MSP Web Portal. Available for implementation
Criteria Deadline year
Annual Qualitative Surveys Conducted for San Diego Fairy Shrimp and Quantitative Cyst Sampling Every 3 Years with Reports Completed 2021
Threat Name Threat Code
Altered hydrologyALTHYD
Human uses of the PreservesHUMUSE
Invasive plantsINVPLA