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Biological Assessment 18110 Monterey Road Morgan Hill, CALIFORNIA

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Biological Assessment 18110 Monterey Road Morgan Hill, CALIFORNIA Preliminary Biological Assessment 18110 Monterey Road Morgan Hill, CALIFORNIA December 12, 2019 Prepared by: On behalf of: Johnson Marigot Consulting, LLC City Ventures Ms. Haley Henderson Mr. Jason Bernstein 433 Visitacion Ave. 444 Spear Street, Suite 200 Brisbane, California San Francisco, California PRELIMINARY BIOLOGICAL ASSESSMENT 18110 MONTEREY ROAD CONTENTS Section 1. Introduction .................................................................................................................................... 4 Section 2. Methodology ................................................................................................................................... 4 Section 3. Existing Site Conditions ............................................................................................................. 5 3.1 Land Cover Types ................................................................................................................................... 5 3.1.1 Ruderal grassland ......................................................................................................................... 5 3.1.2 Developed – Ornamental Woodland ......................................................................................... 6 3.1.3 Developed - Rural Residential ..................................................................................................... 6 3.2 Potential Waters of the U.S./State ................................................................................................... 7 3.3 Soils .............................................................................................................................................................. 7 3.3.1 Pleasanton loam, 0 to 2 Percent Slopes, MLRA 14 .......................................................... 7 3.3.2 San Ysidro loam, 0 to 2 Percent Slopes, MLRA 14 ........................................................... 7 3.4 Hydrology .................................................................................................................................................. 8 Section 4. Biological Resource Constraints ............................................................................................. 8 4.1 Special Status Species ........................................................................................................................... 8 4.2 Plants ........................................................................................................................................................... 8 4.2.1 Trees .................................................................................................................................................. 9 4.3 Wildlife ....................................................................................................................................................... 9 4.3.1 State and Federally Listed Wildlife ....................................................................................... 9 4.3.2 Nesting Birds ............................................................................................................................... 15 4.3.3 Wildlife Corridors ...................................................................................................................... 15 4.4 Waters of the U.S./State .................................................................................................................... 15 4.5 Other Constraints ................................................................................................................................ 16 4.5.1 Local, State, and Federal Plans ............................................................................................. 16 Section 5. Conclusions and Recommendations .................................................................................. 17 Section 6. Literature Cited .......................................................................................................................... 18 Figures Figure 1. 18110 Monterey Rd. Area Site Map Figure 2. SCVHP Land Use Categories Figure 3. Land Cover Types of the 18110 Monterey Rd. Area Figure 4. 18110 Monterey Rd. Area Soil Map Figure 5. Special-Status Plant Species Known to Occur in the Vicinity of 18110 Monterey Rd. Figure 6. Special-Status Wildlife Species Known to Occur in the Vicinity of 18110 Monterey Rd. Figure 7. Critical Habitat in the Vicinity of 18110 Monterey Rd. Tables Table 1. Plants Observed within the Surveyed Portions of 18110 Monterey Rd. Table 2. Special-Status Plant Species Known to Occur in the Vicinity of 18110 Monterey Rd. Table 3. Special-Status Wildlife Species Known to Occur in the Vicinity of 18110 Monterey Rd. Attachments Attachment 1. Proposed Project Development Attachment 2. Site Photos Attachment 3. NRCS Soils Report Attachment 4. Petition to State of California for Listing of Bumble Bees Attachment 5. Conditions of Santa Clara Valley Habitat Plan Attachment 6. Historic Aerials Attachment 7. Swainson’s Hawk Survey Protocol 3 SECTION 1. INTRODUCTION Johnson Marigot Consulting, LLC (JMC) has been retained to provide a biological constraints analysis for approximately 5.7-acres within the county of Santa Clara, California (Assessor’s Parcel Numbers; 726-25-006). The proposed project site is located in the city of Morgan Hill to the north east of the intersection of Monterey Rd and Old Monterey Rd (Figure 1). It is within the coverage area of the Santa Clara Valley Habitat Plan. The purpose of this report is to qualitatively identify potential occurrences and/or habitat for special-status plant and wildlife species on the site, and to identify local, state, and/or federal biological constraints and ordinances applicable to the development of the site. The site is proposed for residential development within the entirety of the parcel boundary (See Attachment 1), and as such, is presumed to include site grading and compaction with removal of existing vegetation within the entirety of the parcel boundaries. The site is located entirely within the Planning Limit of Urban Growth for the City of Morgan Hill, as defined in the SCVHP (Figure 2). SECTION 2. METHODOLOGY A literature review was conducted for special-status species known to occur in the vicinity of 18110 Monterey Rd. In addition to a literature review, the California Department of Fish and Wildlife (CDFW) California Natural Diversity Database (CNDDB) and the California Native Plant Society (CNPS) Inventory of Rare, Threatened, and Endangered Plants of California were queried for occurrences of special-status species in the vicinity of the site. A list of these special-status species has been compiled in table 2, which also discusses listing/ranking status, required habitat components, proximity of records to 18110 Monterey Rd, and probability of occurrence within the site. Additional research was conducted to identify local, state, and federal natural resource ordinances and laws that would be applicable to the development of 18110 Monterey Rd; these ordinance and laws are discussed below. It should be noted however, that although some local entitlement requirements are addressed below (e.g. The Santa Clara Valley Habitat Plan), this report does not provide summary of all local entitlement requirements. On August 19th, 2019 JMC personnel Mr. Cameron Johnson and Ms. Haley Henderson conducted a site visit to evaluate biological resources present on site. An additional site visit was conducted by Mr. Johnson on November 17, 2019. Site assessment included a reconnaissance level survey of the accessible portions of 18110 Monterey Rd. to characterize vegetation, topography, and current and historic uses of the site (as well as the surrounding properties), and to investigate potential presence of waters of the U.S./State. Observations made during site visits were used to determine the potential for the site to provide suitable habitat for special-status species (presence of habitat components necessary to support the species) and sensitive habitats. 4 SECTION 3. EXISTING SITE CONDITIONS The approximately 5.7-acre property is comprised of a single parcel and is located within the city limits of Morgan Hill, Santa Clara County, California (the approximate center of the site is 37.139256°N, 121.6632727°W ) (Figure 1). The roughly triangular site is located northeast of the intersection of Monterey Rd and Old Monterey Rd, and extends south past an unmarked dirt road (Figure 1). The southern property line is not clearly marked at the boundary between 18110 Monterey Rd and 18060 Monterey Rd, with the latter property being bounded by Granada St to the south. Monterey Rd runs north to south along the western edge of the property. A railroad track property intersects with Monterey Rd and runs along the eastern boundary of the site. Overall, the site is relatively flat in the center, but elevated relative to Monterey Rd. At the time of the August 19 site visit, the vast majority of the property had been recently disced for (presumably hay) agricultural production, or for fuels reduction (i.e. removal for fire risk); the follow-on site visit (November 17), the site was in a similar condition – largely disced with no evidence of artificial irrigation, and no noticeable vegetation growth since the August visit. Review of available aerial photography indicates that this has been the land practice since at least 1998 (see Historic Aerial Photographs in Attachment 6). The site was therefore largely devoid of vegetation and appeared
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