Environmental Impact Statement - Sonoma Land Trust

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Table 3.5-2. Continued Page 8 of 12 Common Name Scientific Name Delta smelt (Hypomesus transpacificus) Status Federal/State/ Other Geographic Distribution Habitat Requirements T/T Found primarily in the Delta below Isleton on the Sacramento River and below Mossdale on the San Joaquin River, as well as in Suisun Bay Designated critical habitat for the Delta smelt includes the Delta west to the Carquinez Bridge. Designated critical habitat. Inhabit open surface waters where they school. Spawning occurs primarily in sloughs and shallow edge-waters of channels in the upper Delta and in the Sacramento River. Potential Occurrence in Project/Study Area Low. From January to July they move into freshwater for spawning and, during high flows, they can be washed downstream into San Pablo Bay (Moyle 2002), but are rarely found in the project area. Tidewater Goby Eucyclogobius newberryi E/– Endemic to California, occur from San Diego county to Del Norte County; found in coastal lagoons, estuaries and marshes Brackish shallow lagoons and slow to still moving water in lower stream reaches where the water salinity levels range zero to 10 parts per thousand. None. Potential suitable habitat exists within the Action Area but. Tidewater Goby are believed extirpated from San Francisco Bay Estuary. Coho salmon (Central California Coast) (Oncorhynchus kisutch) E/E Includes naturally spawned populations from Punta Gorda in northern California south to and including the San Lorenzo River in central California, as well as populations in tributaries to San Francisco Bay, excluding the Sacramento-San Joaquin River system Occur in coastal streams with water temperatures < 15°C. Need cool, clear water with instream cover. Spawn in tributaries to large rivers or streams directly connected to the ocean (Moyle 2002). None. Outside of range. MAMMALS Pacific Townsend’s (=western) big-eared bat Corynorhinus townsendii townsendii –/SSC Coastal regions from Del Norte County south to Santa Barbara County Roosts in caves, tunnels, mines, and dark attics of abandoned buildings. Very sensitive to disturbances and may abandon a roost after one onsite visit Moderate. Known occurrences within 10 miles of project site; suitable roosting and foraging habitat onsite. Pallid bat Antrozous pallidus –/SSC Occurs throughout California except the high Sierra from Shasta to Kern County and the northwest coast, primarily at lower and mid elevations Occurs in a variety of habitats from desert to coniferous forest. Most closely associated with oak, yellow pine, redwood, and giant sequoia habitats in northern California and oak woodland, grassland, and desert scrub in southern California. Relies heavily on trees for roosts Moderate. Known occurrences within 10 miles of project site; suitable roosting and foraging habitat onsite.
Table 3.5-2. Continued Page 9 of 12 Common Name Scientific Name Salt marsh harvest mouse Reithrodontomys raviventris Suisun ornate shrew Sorex ornatus sinuosus American badger Taxidea taxus Status Federal/State/ Other Geographic Distribution Habitat Requirements E/- –/SSC –/SSC San Francisco, San Pablo, and Suisun Bays; the Delta Restricted to San Pablo Bay and Suisun Bay, both in Solano and <strong>Sonoma</strong> County. In California, badgers occur throughout the state except in humid coastal forests of northwestern California in Del Norte and Humboldt Counties Salt marshes with a dense plant cover of pickle-weed and fat hen; adjacent to an upland site Tidal, salt, and brackish marshes containing pickleweed, grindelia, bulrushes, or cattails; requires driftwood or other objects for nesting cover Badgers occur in a wide variety of open, arid habitats but are most commonly associated with grasslands, savannas, mountain meadows, and open areas of desert scrub; the principal habitat requirements for the species appear to be sufficient food (burrowing rodents), friable soils, and relatively open, uncultivated ground PLANTS (NOTE: POTENTIAL OCCURRENCE COLUMN IDENTIFIES TOPOGRAPHIC QUAD OCCURRENCES IN VICINITY OF ACTION AREA) Napa false indigo Amorpha californica var. napensis Mt. Tamalpais manzanita Arctostaphylos hookeri subsp. montana Alkali milk-vetch Astragalus tener var. tener –/–/1B.2 –/–/1B.3 –/–/1B.2 Coastal California, in <strong>Sonoma</strong>, Napa, Marin, and Monterey Counties Marin County, around Mount Tamalpais Southern Sacramento Valley, northern San Joaquin Valley, east San Francisco Bay Area Openings in broadleaved upland forest, cismontane woodland, chaparral, between 500–6.580 feet; blooms April– July Chaparral and scattered shrubs in grassland, on serpentinite, between 525– 2,500 feet Grassy flats and vernal pool margins, on alkali soils; blooms March–June Potential Occurrence in Project/Study Area High. Suitable habitat adjacent to the Project site but no suitable habitat onsite. Project will create suitable habitat for this species and is expected to benefit the recovery of this species. Habitat exists along Tolay Creek and San Pablo Bay in dredging and breach areas. Low. Known occurrences with 10 miles of the project site; marginally suitable habitat onsite. Low. Upland areas could provide suitable habitat. Burdell Mountain, Arrowhead Mountain Big Rock Ridge Petaluma, Napa, American Canyon
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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 1-1. Continued Page 3 of 3 Ag
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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 3.7 Agricultural Resources
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Section 3.11 Air Quality Introducti
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Table 3.11-1. Ambient Air Quality S
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Table 3.11-32, Continued Page 2 of
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Section 3.12 Noise Introduction Thi
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Section 3.13 Cultural Resources Int
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Section 3.14 Aesthetics Introductio
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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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Sonoma Land Trust Chapter 7. Refere
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Environmental Impact Statement - Sonoma Land Trust

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