Environmental Impact Statement - Sonoma Land Trust

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Table 3.5-2. Continued Page 12 of 12 Common Name Scientific Name Sebastopol Meadowfoam Limanthes vinculans Status Federal/State/ Other Geographic Distribution Habitat Requirements E/E/1B Lake, Marin, Napa and Sonoma counties. In Sonoma county most occurrences nearwithin the Santa Rosa Plain with one coourence near west of Sebastopol and northeast of Windsor Vernal pools and swales Potential Occurrence in Project/Study Area Lake, Marin, Napa and Sonoma counties. Status explanations: Federal E = listed as endangered under the federal Endangered Species Act. T = listed as threatened under the federal Endangered Species Act. PT = proposed for federal listing as threatened under the federal Endangered Species Act. C = species for which USFWS has on file sufficient information on biological vulnerability and threat(s) to support issuance of a proposed rule to list, but issuance of the proposed rule is precluded. SC = species of concern; species for which existing information indicates it may warrant listing but for which substantial biological information to support a proposed rule is lacking. – = no listing. State E = listed as endangered under the California Endangered Species Act. T = listed as threatened under the California Endangered Species Act. R = listed as rare under the California Endangered Species Act. FP = fully protected under the California Fish and Game Code. C = candidate for state listing SSC = species of special concern in California under the California Fish and Game Code. – = no listing. Other: California Native Plant Society 1B = list 1B species: rare, threatened, or endangered in California and elsewhere. 2 = list 2 species: rare, threatened, or endangered in California, but more common elsewhere. 3 = list 3 species: plants about which we need more information. Threat Rank .1 = seriously threatened in California .2 = fairly threatened in California
California Department of Fish and Game U.S. Fish and Wildlife Service Section 3.5. Biological Resources Special-Status Plants Based on existing information from the CNDDB, the USFWS Species list for the 9 quad area around Sears Point quad (accessed February 2012), and from the Existing Conditions Report, twenty-fourfive special-status plant species occur in the vicinity (within 10 miles) of the Action area or have potential to occur. NineteenTwenty species occur in habitats present within the Action area. Only oneTwo of these species, saline clover 2 , hasand Mason’s lilaeopsis have been observed within the Action area. Six species occurring in the Project vicinity are associated with vernal pools (Sonoma sunshine, dwarf downingia, Contra Costa goldfields, legenere, Baker's navarretia, and saline clover). The Existing Condition Report states that these have a moderate to low potential to occur on the Project site. However, saline clover was observed on the Project site in 2005 during surveys for the Restoration Plan. Saline clover was found within diked baylands north of Highway 37. The largest numbers were found around the southwest margin of a vernal pool situated in the upper edge of the historic baylands margin and in seasonally saturated grasslands to the southwest of this pool. In addition, a few scattered plants and small clusters of plants were found within topographically lower seasonally saturated annual grasslands just north of Highway 37. Seasonally saturated grassland south of Highway 37 is also potential habitat for this species. Two species occurring in the Project vicinity are associated with seasonal alkali wetlands (alkali milk-vetch, San Joaquin spearscale). Saline clover also is associated with this habitat. FiveSix species are associated with coastal prairie and other grasslands (hayfield tarplant, papoose spikeweed, Sonoma spineflower, fragrant fritillary, golden larkspur, and showy Indian clover). Six species occurring in Project vicinity are associated with tidal salt marsh (Point Reyes bird's-beak, soft bird's-beak, Delta tule pea, Mason's lilaeopsis, Marin knotweed, and Suisun Marsh aster). These species would not occur on the Project site because tidal salt marsh is absent; however, coastal salt marsh under tidal influence occurs adjacent to the southern edge of the Project site along San Pablo Bay and Tolay Creek within the Action area (breach and dredging locations). Of these species, Mason's lilaeopsis is known to occur within the Action area at Midshipman’s Point at the mouth of Tolay Creek (Baye pers. comm.). Five species (Napa false indigo, Mount Tamalpais manzanita, Marin western flax, and Mount Tamalpais jewelflower) occur in forest, chaparral, or serpentine grassland habitats that do not occur within the project site or Action area. 2 Saline Clover is a California Native Plant Society 1B.2 species meaning it is considered rare, threatened, or endangered in California and elsewhere, and considered fairly threatened in California. This species has no state or federal special-status listing. Sears Point Wetland and Watershed Restoration Project Final Environmental Impact Report/Environmental Impact Statement 3.5-19 April 2012
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Sears Point Wetland and Watershed R
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Sears Point Wetland and Watershed R
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Contents List of Tables ...........
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California Department of Fish and G
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Executive Summary This summary prov
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Table ES-1. Summary of Impacts and
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Table ES-1. Continued Page 3 of 141
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Table 1-1. List of Local, State, an
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Table 2-2. Action Alternatives Cons
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Chapter 3 Affected Environment and
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Section 3.1 Geology, Soils, and Pal
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Section 3.2 Surface-Water Hydrology
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Section 3.3 Water Quality Introduct
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Section 3.11 Air Quality Introducti
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Section 3.12 Noise Introduction Thi
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Section 3.15 Environmental Justice
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Chapter 4 Consultation and Other Re
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Sonoma Land Trust Chapter 4. Consul
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Chapter 5 Public Involvement and Sc
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Environmental Impact Statement - Sonoma Land Trust

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