General Site Conditions - psec.co.riverside.ca.uspsec.co.riverside.ca.us/docs/eir/Appendix_B/Red...

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County of Riverside - PSEC Project General Habitat Assessment Appendix A Red Mountain Michael Brandman Associates 1 H:\Client PN-JN\2749-Riverside County-Communications\27490003_Communications Sites\Bio Resources\Appendix A\Red Mountain\1-Red Mountain Text.doc Red Mountain The Red Mountain study area is located within the SBNF adjacent to Red Mountain Lookout. Red Mountain is within the southwestern San Jacinto Mountains, approximately 8 miles southeast of the City of Hemet. Existing Conditions General Site Conditions The study area is located on a moderate to steep, southeast facing slope, within a fuel modification setback area for an adjacent communications facility and the lookout tower. The elevation of the study area is approximately 4,507 feet above sea level. Soils present consist of the Wind River-Oak Glen families association, based on the USDA soil survey. Land use in the vicinity consists of an existing communications facility to the west, a dirt access road and active fire lookout tower to the north, and open space to the east and south. The study area is subject to disturbance associated with vegetation clearing for the fuel modification zones as well as maintenance activity at the existing communication facility. Vegetation The emergent vegetation on the study area is a remnant of a chamise chaparral plant community. All plant specimens were recently cut at the base as a result of fuel modification activities. The dominant plant species observed was chamise (Adenostoma fasciculatum), but other species observed include white sage (Salvia apiana), cryptantha (Cryptantha intermedia), broad-leafed filaree (Erodium botrys), skunkbush (Rhus trilobata), short-podded mustard (Hirschfeldia incana), California buckwheat (Eriogonum fasciculatum), manzanita (Arctostaphylos sp.), chaparral yucca (Yucca whipplei), deerweed (Lotus scoparius), giant wild rye (Leymus condensatus), yerba santa (Eriodictyon crassifolium), and red brome (Bromus rubens). The vegetation surrounding the fuel modification area consists of a dense, chamise chaparral plant community, dominated by chamise. Wildlife Wildlife activity during the survey was high. Wildlife species observed include western scrub jay (Aphelocoma californica), California towhee (Pipilo crissalis), black headed grosbeak (Pheucticus melanocephalus), Anna's hummingbird (Calypte anna), and side-blotched lizard (Uta stansburiana). Sensitive Biological Resources Sensitive Species Federally and State Listed Species The study area contains suitable habitat for Quino checkerspot butterfly (Euphydryas editha quino), a federally-listed endangered species. The species was not observed within the study area. Focused surveys are necessary to determine the occupancy status of the species onsite.

Transcript of General Site Conditions - psec.co.riverside.ca.uspsec.co.riverside.ca.us/docs/eir/Appendix_B/Red...

Page 1: General Site Conditions - psec.co.riverside.ca.uspsec.co.riverside.ca.us/docs/eir/Appendix_B/Red Mountain.pdf · (Eriodictyon crassifolium), and red brome (Bromus rubens). The vegetation

County of Riverside - PSEC ProjectGeneral Habitat Assessment Appendix A Red Mountain

Michael Brandman Associates 1H:\Client PN-JN\2749-Riverside County-Communications\27490003_Communications Sites\Bio Resources\Appendix A\Red Mountain\1-Red Mountain Text.doc

Red Mountain

The Red Mountain study area is located within the SBNF adjacent to Red Mountain Lookout. RedMountain is within the southwestern San Jacinto Mountains, approximately 8 miles southeast of theCity of Hemet.

Existing Conditions

General Site Conditions

The study area is located on a moderate to steep, southeast facing slope, within a fuel modificationsetback area for an adjacent communications facility and the lookout tower. The elevation of thestudy area is approximately 4,507 feet above sea level. Soils present consist of the Wind River-OakGlen families association, based on the USDA soil survey. Land use in the vicinity consists of anexisting communications facility to the west, a dirt access road and active fire lookout tower to thenorth, and open space to the east and south. The study area is subject to disturbance associated withvegetation clearing for the fuel modification zones as well as maintenance activity at the existingcommunication facility.

Vegetation

The emergent vegetation on the study area is a remnant of a chamise chaparral plant community. Allplant specimens were recently cut at the base as a result of fuel modification activities. The dominantplant species observed was chamise (Adenostoma fasciculatum), but other species observed includewhite sage (Salvia apiana), cryptantha (Cryptantha intermedia), broad-leafed filaree (Erodiumbotrys), skunkbush (Rhus trilobata), short-podded mustard (Hirschfeldia incana), Californiabuckwheat (Eriogonum fasciculatum), manzanita (Arctostaphylos sp.), chaparral yucca (Yuccawhipplei), deerweed (Lotus scoparius), giant wild rye (Leymus condensatus), yerba santa(Eriodictyon crassifolium), and red brome (Bromus rubens). The vegetation surrounding the fuelmodification area consists of a dense, chamise chaparral plant community, dominated by chamise.

Wildlife

Wildlife activity during the survey was high. Wildlife species observed include western scrub jay(Aphelocoma californica), California towhee (Pipilo crissalis), black headed grosbeak (Pheucticusmelanocephalus), Anna's hummingbird (Calypte anna), and side-blotched lizard (Uta stansburiana).

Sensitive Biological Resources

Sensitive Species

Federally and State Listed Species

The study area contains suitable habitat for Quino checkerspot butterfly (Euphydryas editha quino), afederally-listed endangered species. The species was not observed within the study area. Focusedsurveys are necessary to determine the occupancy status of the species onsite.

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County of Riverside - PSEC ProjectGeneral Habitat Assessment Appendix A Red Mountain

Michael Brandman Associates 2H:\Client PN-JN\2749-Riverside County-Communications\27490003_Communications Sites\Bio Resources\Appendix A\Red Mountain\1-Red Mountain Text.doc

USFS Sensitive and Watch List Species

The study area also contains suitable habitat for San Diego (coast) horned lizard (Phrynosomacoronatum) a USFS Region 5 Sensitive List species; and Bell’s sage sparrow (Amphispiza belli belli),Southern California rufous-crowned sparrow (Aimophila ruficeps canescens), California beardtongue(Penstemon californicus), chaparral sand-verbana (Abronia villosa var. aurita), Parry’s spineflower(Chorizanthe parryi var. parryi), and Payson’s jewel-flower (Caulanthus simulans), all USFSRegion 5 Watch List species. None of the species were observed within the study area. Regardless,species identified as sensitive by the USFS are not directly protected by any State or federal laws orpolicies. Bell’s sage sparrow and Southern California rufous-crowned sparrow, however, are alsoprotected under the MBTA and CDFG code and impacts to their nesting activities will still need to beavoided.

Other Sensitive Species

No suitable habitat for sensitive species not specifically protected under any other policy occurs onthe study area.

Critical Habitat

The study area is not located within any USFWS-designated Critical Habitat.

Nesting Birds

No nests or nesting activities were observed during the survey; however, the study area containssuitable nesting habitat for shrub nesting avian species, such as western scrub jay.

California Desert Native Plant Act

Chaparral yucca was observed in the study area and this species is protected under Section 80073 ofthe CDNPA. According to Section 80073 of the CDNPA, no chaparral yucca (including both deadand live) may be harvested except under a permit issued by the County Agricultural Commissioner orthe sheriff. The commissioner may establish limits on the quantity of chaparral yucca which may betaken under any permit and on the number of permits for the taking of chaparral yucca which may beissued.

Jurisdictional Waters

No drainage features, wetlands, vernal pools, or suitable habitat for sensitive fairy shrimp speciesoccur on or in the vicinity of the study area. No waters or wetlands potentially under the jurisdictionof the State or the United States will be impacted by the development of the study area.

Wildlife Corridors and Movement

Given the limited size and minimal disturbance associated with the development of the study area, noimpacts to any wildlife corridors or wildlife movement patterns are anticipated.

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County of Riverside - PSEC ProjectGeneral Habitat Assessment Appendix A Red Mountain

Michael Brandman Associates 3H:\Client PN-JN\2749-Riverside County-Communications\27490003_Communications Sites\Bio Resources\Appendix A\Red Mountain\1-Red Mountain Text.doc

Applicable HCP or Land Use Management Plan

The study area is located on federal land managed by the USFS. The study area is subject to theSBNFMP. Approval by the USFS must be obtained prior to construction.

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27490003 • 05/2008 | red_mountain_aerial.mxd

Red Mountain Communication SiteLocal Vicinity Aerial MapNO

RTH

Michael Brandman Associates

Source: USDA Soils Data (NRCS).

COUNTY OF RIVERSIDEPUBLIC SAFETY ENTERPRISE COMMUNICATION PROJECT

!

DpG

KoD

DpF

200 0 200100Feet

Legend! Tower Location

50' Study Area

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27490003 • 04/2008 | red_mountain.mxd

Red Mountain Communication SiteLocal Vicinity Topographic MapNO

RTH

Michael Brandman Associates

Source: USGS Blackburn Canyon 7.5' Topographic Map.

COUNTY OF RIVERSIDEPUBLIC SAFETY ENTERPRISE COMMUNICATION PROJECT

2,000 0 2,0001,000Feet

LegendTower Location

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27490003 • 05/2008 | red_mountain_soils.mxd

Red Mountain Communication SiteUSDA Soils MapNO

RTH

Michael Brandman Associates

Source: USDA Soils Data (NRCS).

COUNTY OF RIVERSIDEPUBLIC SAFETY ENTERPRISE COMMUNICATION PROJECT

!

DpG

KoD

DpF

200 0 200100Feet

Legend! Tower Location

50' Study AreaKoD - Wind River-Oak Glen families association, 2 to 15 percent slopes

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Red Mountain Candidate Photographs 1 to 4PSEC Project

Source: Michael Brandman Associates, 2008.

Michael Brandman Associates27490003 • 02/2008 | Red Mountain_Photo1.doc

Photograph 1: View toward Red Mountain candidate location,facing east.

Photograph 2: View toward Red Mountain candidate location, facingsouthwest (photo taken from Lookout Tower).

Photograph 3: Overview of Red Mountain candidate location, facingnorth.

Photograph 4: Overview of Red Mountain candidate location, facingsouth.

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Red Mountain Candidate Photographs 5 to 8PSEC Project

Source: Michael Brandman Associates, 2008.

Michael Brandman Associates27490003 • 02/2008 | Red Mountain_Photo2.doc

Photograph 5: View from Red Mountain candidate location,facing southeast.

Photograph 6: View from Red Mountain candidate location, facingnorth.

Photograph 7: View from Red Mountain candidate location, facingnorthwest.

Photograph 8: View from Red Mountain candidate location, facingsouthwest.