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Delhi Sands Flower-Loving Fly Habitat Suitability Assessment

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Delhi Sands Flower-Loving Fly Habitat Suitability Assessment AGUA MANSA DEVELOPMENT PROJECT Delhi Sands Flower-Loving Fly Habitat Suitability Assessment Prepared For: Allard Engineering 16866 Seville Avenue Fontana, California 92335 Contact: Bobby Allard 909.356.1815 Prepared By: RBF Consulting A Michael Baker International Company 3210 East Guasti Road, Suite 100 Ontario, California 91761 Contact: Thomas J. McGill, Ph.D. 909.974.4907 June 2015 JN: 146722 AGUA MANSA DEVELOPMENT PROJECT CITY OF BLOOMINGTON, SAN BERNARDINO COUNTY, CALIFORNIA Delhi Sands Flower-Loving Fly Habitat Suitability Assessment The undersigned certify that the statements furnished in this report and exhibits present data and information required for this biological evaluation, and the facts, statements, and information presented is a complete and accurate account of the findings and conclusions to the best of our knowledge and beliefs. Travis J. McGill Biologist Natural Resources Thomas J. McGill, Ph.D. Vice President Natural Resources June 2015 Executive Summary This report contains the findings of a habitat suitability assessment for the Delhi Sands flower- loving fly (Rhaphiomidas terminatus abdominalis) (DSF), a federally endangered species, for the Agua Mansa Development Project located in the City of Bloomington, San Bernardino County, California (project site or site), just north of the Riverside County boundary. The purpose of this assessment is to characterize existing site conditions and assess the quality of DSF habitat within the boundaries of the project site. The habitat suitability assessment was conducted by RBF biologists Thomas C. Millington and Ashley M. Barton on May 21, 2015. Portions of the project site have been mapped by the United States Department of Agriculture (USDA) Natural Resources Conservation Service (NRCS) Soil Survey as being composed of Delhi Sand soils. Since Delhi Sand soils are wind deposited (aeolian) the boundaries established by USDA are not exact and change over time. Based on the results of the DSF habitat suitability assessment, surface soils present on the project site was determined not to contain clean Delhi Sand soils. As a result, the project site was determined not to have the potential to provide suitable habitat for DSF and it is assumed that DSF is absent from the project site. Further, the project site is surrounded by existing development on three of its sides and no longer has connectivity to areas containing clean Delhi Sands soils or areas subject to Aeolian processes. No further actions or focused surveys are recommended. Development of this property will not impact DSF or impede their recovery as defined by the United States Fish and Wildlife Service (USFWS) DSF Recovery Plan (1997). Agua Mansa Development Project Delhi Sands Flower-Loving Fly Habitat Suitability Assessment ES-1 Table of Contents Section 1 Introduction ....................................................................................................... 1 1.1 Project Location ................................................................................................. 1 1.2 Project Description ............................................................................................. 1 Section 2 Background ....................................................................................................... 5 Section 3 Methodology ...................................................................................................... 8 3.1 Soil ...................................................................................................................... 8 3.2 Habitat Suitability Assessment ........................................................................... 8 Section 4 Results .............................................................................................................. 11 4.1 Existing Conditions .......................................................................................... 11 4.2 Habitat Suitability Assessment ......................................................................... 12 Section 5 Conclusion and Recommendations ............................................................... 14 Section 6 References ........................................................................................................ 15 EXHIBITS Exhibit 1: Regional Vicinity ............................................................................................... 2 Exhibit 2: Site Vicinity ........................................................................................................ 3 Exhibit 3: Project Site ......................................................................................................... 4 Exhibit 4: DSF Recovery Units ........................................................................................... 7 Exhibit 5: Soils Map ............................................................................................................ 9 Exhibit 6: DSF Habitat Suitability .................................................................................... 13 APPENDIX Appendix A Site Photographs Appendix B 2007 Habitat Assessment for a site in Rialto, California Agua Mansa Development Project Delhi Sands Flower-Loving Fly Habitat Suitability Assessment ii Section 1 Introduction RBF Consulting, a Michael Baker International Company (RBF), prepared this Delhi Sands Flower-Loving Fly (DSF) Habitat Suitability Assessment for the Agua Mansa Development Project located in the City of Bloomington, San Bernardino County, California. RBF biologists Thomas C. Millington and Ashley M. Barton inventoried and evaluated the condition of the habitat on May 21, 2015. This assessment provides an update to a habitat assessment that was prepared in 2007 by Michael Brandman Associates (MBA) and DSF habitat suitability assessment that was prepared by RBF Consulting in 2014. This assessment was conducted to characterize existing site conditions and assess the quality of DSF habitat within the boundaries of the project site, and ensure the conditions of the project site have not changed since the 2007 and 2014 assessment. 1.1 PROJECT LOCATION The project site is generally located south of Interstate 10 (I-10), west of I-215, east of I-15, and north of State Route 60 in the City of Bloomington, San Bernardino County, California (Exhibit 1, Regional Vicinity). The project site is depicted on the Fontana and San Bernardino South quadrangles of the United States Geological Survey’s (USGS) 7.5-minute topographic map series in Section 35 of Townships 1 south, Range 3 west (Exhibit 2, Site Vicinity). Specifically, the project site is located west of Agua Mansa Road on the northeast corner of the intersection of El Rivino Road with Kiningham Drive (Exhibit 3, Project Site). 1.2 PROJECT DESCRIPTION The proposed project includes a General Plan Amendment (GPA) to change the Agua Mansa Specific Plan Zoning Designation from Single Family Residential to Medium Industrial on 31- acres; a Conditional Use Permit (CUP) to establish a 475,847 square foot warehouse building and a 30,059 square foot warehouse on 31-acres, a Tentative Parcel Map to create 2 parcels on 31 acres within Assessor Parcel Numbers (APNs) 0260-032-11, -12, -13, and -14; 0260-041- 01, and -17; 0260-033-01, -02, and -03; 0260-051-06, -07, -08, -09, -10, -11, -12 and -13, within the City of Bloomington, County of San Bernardino, California. Agua Mansa Development Project Delhi Sands Flower-Loving Fly Habitat Suitability Assessment 1 Hesperia SAN BERNARDINO COUNTY ^_ Project SAN BERNARDINO Upland Fontana Location COUNTY Rialto !"a$ Highland SAN BERNARDINO !"`$ COUNTY Colton Redlands Ontario Project ^_ Yucaipa Chino Location RIVERSIDE Calimesa COUNTY Chino Hills Riverside Ez? Norco EÆA Moreno Valley Corona Anaheim !"a$ Perris E±A Hemet Orange ÎAE Lake Elsinore 5/28/2015JN M:\Mdata\146722\GIS\MXD\DSF\Ex01_RegVic_P8x11.mxd AGUA MANSA DEVELOPMENT PROJECT DELHI SANDS FLOWER-LOVING FLY HABITAT SUITABILITY ASSESSMENT 0 3 6 ° Miles Regional Vicinity Source: ESRI Basemap Imagery, 2014 Exhibit 1 Legend Project Site 6/1/2015JN M:\Mdata\146722\GIS\MXD\DSF\Ex02_SiteVic_P8x11.mxd AGUA MANSA DEVELOPMENT PROJECT DELHI SANDS FLOWER-LOVING FLY HABITAT SUITABILITY ASSESSMENT 0 0.5 1 ° Miles Site Vicinity Source: ESRI USA Topographic Maps Exhibit 2 -117.371473 34.039956 >! DEL MESA DR LN BROOK HAL KININGHAM DR EL RIVINO RD UA MANSA RD AG -117.378457 34.03225 >! Legend HO LLY ST Project Site 8/2015 M:\Mdata\146722\GIS\MXD\DSF\Ex03_ProjectSite_P8x11JN v2.mxd 6/ AGUA MANSA DEVELOPMENT PROJECT DELHI SANDS FLOWER-LOVING FLY HABITAT SUITABILITY ASSESSMENT 0 400 800 ° Feet Project Site Source: Eagle Aerial 2014 Exhibit 3 Section 2 Background It has been generally acknowledged that DSF occur in Delhi sands, particularly clean dune formations composed of Aeolian sands. Conversely, soils and sands deposited by fluvial processes from the surrounding alluvial fans do not support DSF. These alluvial soils are composed of course sands, cobble and gravel (Tujunga soils) or course sands, silts and clays (Cieneba soils). In this part of San Bernardino County the separation of soil types has been lost due to the mixing and cross contamination from years of agricultural activities, development, and other man-made disturbances. Depending on the extent of mixing and contamination, some areas formally mapped in 1970 as Delhi Sands no longer have potential to support DSF populations. Conversely, some areas formally mapped as Cieneba soils may now be composed of Delhi Sands and have potential to support DSF. Six DSF experts
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