Annual Report 2005 (62.7MB) - Western Riverside County Regional ...

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Figure 15. Covered Plant Species Detected in 2005.Conservation AreaCriteria AreaHighwaysPlant SpeciesCalifornia black walnutCalifornia orcutt grassHall's monardellaLemon lilyMany-stemmed dudleyaMunz's onionPalmer's grapplinghookSan Diego button-celerySan Jacinto Mtns bedstrawSanta Ana River woollystarSpreading navarretia0 2.5 5 10 15MilesIWestern Riverside Co. MSHCP Biological Monitoring Program
6.0 MONITORING ACTIVITIESand testing a protocol to determine the detectability and proportion of occupied Quinocheckerspot habitat across accessible lands within the Conservation Area. Plots were placedwithin 5 of the 7 MSHCP Core Areas and in additional suitable habitat in the Conservation Area(Figure 16, Quino Checkerspot and Delhi Fly Survey Areas and Detection in 2005). Timeconstrainedvisual encounter surveys were conducted between April and May 2005. A fulldescription of the methodology and results can be found in Quino Checkerspot Butterfly(Euphydryas editha quino) Survey Report 2005 included in Appendix A – RCA MSHCPTechnical Reports – 2. Monitoring Program Survey Results.A total of 35 adult Quino checkerspot were observed at 4 of the 18 plots surveyed in 2005. Thefirst year of surveys began midway through the Quino checkerspot flight season; however, Quinowere still found in 2 of 5 Core Areas. These Core Areas were in the eastern half of the Plan Areawhere Quino fly later in the year than in the western portion of the Plan Area. Since 2005 was atest year for the Quino checkerspot protocol, the results are not conclusive, and data suggestingabsence should not be considered indicative of the distribution of Quino across the ConservationArea.6.4.4 Delhi Sands Flower-Loving Fly SurveysThe species objectives for the Delhi Sands flower-loving fly require documentation of successfulreproduction at all 3 Core Areas identified in the MSHCP. In 2005, the Monitoring Programbegan developing and testing a protocol to determine the detectability and density of Delhi Sandsflower-loving fly in suitable soils within the Conservation Area. Transects were established atthe only Core Area accessible to the Monitoring Program (i.e., Jurupa Hills; see Figure 16).Visual encounter surveys were conducted along transects between August and September 2005using line-distance sampling. A full description of the methodology and results can be found inDelhi Sands Flower-loving fly (Raphiomidas terminatus abdominalis) Survey Report 2005 inAppendix A – RCA MSHCP Technical Reports – 2. Monitoring Program Survey Results.Six adult Delhi Sands flower-loving fly observations were made on transects, and another 16Delhi Sands flower-loving fly were observed incidentally during training or preliminary pilotsurveys, for a total of 22 Delhi Sands flower-loving fly observations in 2005. The incidentalobservations included a teneral individual which confirms successful reproduction at one CoreArea. Because these observations occurred on separate days, it is unknown whether theseobservations represent 22 individuals or fewer individuals observed repeatedly.6.4.5 Small Mammal TrappingThere are four covered species of small mammals that have species objectives requiring theassessment of population densities within the Conservation Area: Aguanga kangaroo rat, LosAngeles pocket mouse, San Bernardino kangaroo rat, and Stephens’ kangaroo rat. In 2005, theWestern Riverside County MSHCP October 2006Annual Report (January 1, 2005 through December 31, 2005) 6-10
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Western Riverside CountyRegional Co
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Western Riverside CountyMULTIPLE SP
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TABLE OF CONTENTSSectionPage No.3.4
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TABLE OF CONTENTSSectionPage No.LIS
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EXECUTIVE SUMMARY• Ongoing manage
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EXECUTIVE SUMMARYfunctions as an ea
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EXECUTIVE SUMMARYArea Plan, have be
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1.0 INTRODUCTION1.0 INTRODUCTION1.1
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1.0 INTRODUCTION1.2 Reporting Requi
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1.0 INTRODUCTIONCollection of annua
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Western Riverside County MSHCP Roug
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2.0 HABITAT GAINS AND LOSSESRoughSt
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2.0 HABITAT GAINS AND LOSSESDelhi S
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2.0 HABITAT GAINS AND LOSSESWithin
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2.0 HABITAT GAINS AND LOSSESKey Veg
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Page 92 and 93: Figure 19. Amphibian Stream Survey
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