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David Magney Environmental Consulting MOJAVE RIVER WATERSHED MITIGATION BANK PROSPECTUS Prepared for: U.S. ARMY CORPS OF ENGINEERS and CALIFORNIA DEPARTMENT OF FISH AND WILDLIFE On behalf of: RICHARD LYONS & LAURIE PRANGE LYONS Mission Statement To provide quality environmental consulting services with integrity that protect and enhance the human and natural environment April 2015, revised November 2015 www.magney.org DMEC Mojave River Watershed Mitigation Bank Prospectus Prepared for: U.S. Army Corps of Engineers Los Angeles Regulatory Division 915 Wilshire Blvd., Suite 930 Los Angeles, California 90017-3401 Contact: Veronica Li Phone: 213/452-3292 AND California Department of Fish and Wildlife South Coast Region 3883 Ruffin Road San Diego, California 92123 Contact: David Lawhead Phone: 858/627-3997 On behalf of: Richard Lyons & Laurie Prange Lyons P.O. Box 808 Santa Paula, California 93061 Prepared by: David Magney Environmental Consulting P.O. Box 1346 Ojai, California 93024-1346 Contact: David L. Magney Phone: 805/646-6045 13 April 2015, revised 23 November 2015 www.magney.org This document should be cited as: David Magney Environmental Consulting. 2015. Mojave River Watershed Mitigation Bank: Prospectus. 13 April 2015, revised 23 November 2015. (PN 12-0004) Ojai, California. Prepared for U.S. Army Corps of Engineers, Los Angeles, California, and California Department of Fish and Wildlife, San Diego, California. Prepared on behalf of Richard Lyons & Laurie Prange Lyons, Santa Paula, California. Lyons – Mojave River Watershed Mitigation Bank: Prospectus Project No. 12-0004 23 November 2015 DMEC Table of Contents PAGE SECTION I. INTRODUCTION ............................................................................. 1 TYPE AND PURPOSE................................................................................................1 PROPOSED SERVICE AREA ...................................................................................1 PROJECT LOCATION ..............................................................................................2 OWNERSHIP ...............................................................................................................6 Identity of Owner .................................................................................................................. 6 Identity and Responsibilities of Sponsor .............................................................................. 6 Identity of Conservation Easement Holder ........................................................................... 6 Identity of Long-term Steward .............................................................................................. 6 MARKET DEMAND...................................................................................................6 SECTION II. SITE DESCRIPTION ..................................................................... 9 MAPPED SOIL UNITS .............................................................................................12 Rositas-Carrizo Association .................................................................................................. 12 Playas .................................................................................................................................... 14 Tecopa-Rock Outcrop-Lithic Torriorthents Association ...................................................... 14 HYDROLOGY ...........................................................................................................15 FUNCTIONS AND SERVICES OF AQUATIC RESOURCES ...........................20 LIFT OF WETLAND FUNCTIONS .......................................................................21 BIOLOGICAL RESOURCES ..................................................................................25 Habitat Types ........................................................................................................................ 25 Atriplex torreyi Provisional Alliance (Torrey Saltbush Scrub) ............................................. 29 Prosopis glandulosa Woodland Alliance (Mesquite Bosque) .............................................. 29 Suaeda nigra Shrubland Alliance (Bush Seepweed Scrub) .................................................. 30 Tamarix ramosissima Stand .................................................................................................. 31 Cressa truxillensis-Distichlis spicata Herbaceous Alliance ................................................. 32 Flora ...................................................................................................................................... 34 Fauna ..................................................................................................................................... 38 SPECIAL-STATUS RESOURCES ..........................................................................42 Definitions ............................................................................................................................ 42 Special-status Plants.............................................................................................................. 46 Special-status Wildlife .......................................................................................................... 47 Sensitive Habitats ................................................................................................................. 49 HABITAT CONNECTIVITY...................................................................................50 Adjacent Land Use ................................................................................................................ 50 Connectivity Areas and Corridors......................................................................................... 55 RESTORATION PLAN ............................................................................................57 SECTION III. REFERENCES CITED ................................................................. 60 LITERATURE CITED .............................................................................................60 PERSONAL COMMUNICATIONS ........................................................................63 Y:\DMEC\Jobs\Lyons\Mojave\Prospectus\Prospectus FINAL\MojaveRiverWatershedMitBank-Prospectus-20151123.docx i Lyons – Mojave River Watershed Mitigation Bank: Prospectus Project No. 12-0004 23 November 2015 DMEC LIST OF TABLES PAGE Table 1. Pending Renewable Energy Project Applications in the Mojave Desert Region ............ 7 Table 2. Mitigation Bank Parcels................................................................................................... 9 Table 3. Comparison of Baseline and Post-restoration FCI scores at the Bank Site ................... 23 Table 4. Plant Species Observed on the Bank Site ...................................................................... 35 Table 5. Plant Species Expected on the Bank Site....................................................................... 37 Table 6. Wildlife Species Observed and Expected on the Bank Site .......................................... 39 Table 7. Definitions of Special-status Species ............................................................................. 44 Table 8. California Native Plant Society Rare Plant Ranks (CNPS Lists) .................................. 44 Table 9. California Native Plant Society Risk Threat Code Extensions ...................................... 45 Table 10. California Natural Diversity Database Element Ranking System ............................... 45 Table 11. Special-status Plants Potentially Occurring Onsite ..................................................... 46 Table 12. Special-status Wildlife Potentially Occurring Onsite .................................................. 47 Table 13. Sensitive Habitats Potentially Occurring Onsite ......................................................... 50 Table 14. Area of Wetland Habitats and Types of Proposed Mitigation of the Bank Site .......... 57 LIST OF FIGURES Figure 1. Mojave River Watershed Mitigation Bank Service Area ............................................... 3 Figure 2. General Location of Mitigation Bank Site ..................................................................... 4 Figure 3. Mitigation Bank Site on 2010 Aerial Imagery ............................................................... 5 Figure 4. Renewable Energy Projects and Potential in the Mojave Desert Region ....................... 8 Figure 5. Bank Site with USGS 7.5-Minute Quadrangles ........................................................... 11 Figure 6. NRCS Mapped Soils on Mitigation Bank Site ............................................................. 13 Figure 7. NWI Mapped Wetlands ................................................................................................ 16 Figure 8. DMEC Jurisdictional Boundary Determination ........................................................... 17 Figure 9. Historic Flooding of East Cronese Lake ...................................................................... 18 Figure 10. Mojave River Flow Recurrence Intervals................................................................... 19 Figure 11. Mojave Desert Playa Lakes HGM Reference Sites .................................................... 24 Figure 12. Land Cover in the Vicinity of East Cronese Lake ...................................................... 27 Figure 13. Wetland Habitat Types of East Cronese Lake ...........................................................