West Mojave Plan FEIR/S - Desert Managers Group

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3.4.1.3 Study Area Growth CapacityEconomic growth within a given area is ultimately affected by the underlying capacity tohost additional amounts of land use development where related residential, employment,educational, and leisure activities are to occur. The underlying holding capacity of the area isgreatly influenced by General Plan policy that defines the location, supply, and intensity of landuse available to host economic activity. The ultimate growth capacity of the West Mojave islargely defined by General Plan land use policy of 15 separate jurisdictions (11 cities and 4counties). To determine the land use capacity of West Mojave land use designations werequantified and classified by type and intensity. Because the West Mojave encompasses such avast geographic area special attention was placed on determining the specific intensity ofpermitted land use rather than estimating land use intensity on the basis of commonnomenclature used to describe type of land use. Specific quantities and correspondingpopulation and employment levels used to describe the growth capacity of the West Mojave aredetailed in Exhibit 9 and Exhibit 10 of the Socio-Economic Analysis in Appendix N.Overall, roughly 1.78 million acres of land area throughout the West Mojave isdesignated for residential land use at a target capacity of approximately 1.58 million residentialdwellings. In all about 240,000 acres of land area is designated for a variety of non-residentialland use such as office, retail, industrial, and institutional development. The balance of area, orroughly 7.0 million acres, is designated for open space, utility easements, resource production,agriculture, military installations, conservation land, etc. Overall, the 15 affected local agencyjurisdictions have General Plan policies in place guiding the ultimate use and development ofroughly 9.0 million acres. With respect to population and employment, the designated supply ofresidential and nonresidential land use has the capacity to support roughly 4.86 million residentsand 3.09 million local jobs if all West Mojave properties are developed and utilized according toGeneral Plan policy.In terms of economic realities expected to influence growth opportunities throughout theWest Mojave over the long haul, current General Plan policies in aggregate are out of balance.The West Mojave is effectively over-supplied in terms of the amount of non-residential landrequired for the housing unit capacity currently designated. Conversely, it might be argued thereexists an undersupply of designated housing capacity needed to warrant the amount of nonresidentialland use planned. The market reality is such that single-family detached housing willrepresent the dominant form of residential constructed throughout the West Mojave during the30-year life of the habitat conservation plan (HCP) project.If all West Mojave land uses were developed according to General Plan policy, the areawould effectively host 1.95 local jobs per housing unit (rough equivalent of 2.15 jobs peroccupied household). Since 1990, overall workforce participation throughout the West Mojavehas been declining from about 1.16 workers (including self-employed) per household to 1.11workers per household in 2000, with about one-fifth of these workers commuting to jobs in themetropolitan regions of San Bernardino and Los Angeles County. The corresponding rate ofworkforce participation for the State has been increasing from 1.63 workers per household in1990 to 1.71 workers per household in 2000. To fully develop the designated supply of nonresidentialland area in the West Mojave, workforce participation trends in the area would needChapter 3 3-204
to undergo a dramatic reversal to the point of exceeding equilibrium levels describing theStatewide economy. A more balanced policy mix of residential and non-residential land usethroughout the West Mojave suggests limiting office, retail, industrial, and institutional land use(excluding local school sites) to roughly 160,000 acres.Recent growth trends and the long-term outlook for housing development is summarizedin Table 3-39 based on Census reported changes in area housing.Table 3-39West Mojave Housing Development OutlookEffective Mix Of Detached Vs Higher Density ProductTYPE HOUSING BUILDOUT 2000 EST 1990 EST CHG 2000BUILDOUTCHG 1990-2000All Housing 1,580,000 271,250 230,125 1,308,750 41,125Higher Density 253,000 41,775 38,900 211,225 2,875% High Density 16.0% 15.4% 16.9% 16.1% 7.0%Source: Bureau of Census; Alfred Gobar Associates.3.4.1.4 Study Area Market ShareResidential construction constitutes the form of land use likely to result in the greatestamount of permanent ground disturbance (subdivision grading) among common developmentactivities closely associated with the future urbanization of the West Mojave (retail, officeinstitutional,and industrial land use reflecting the other principal urban land forms). During themost recent 10-year period of construction activity, the effective share of building permits issuedwithin the principal growth locations of the West Mojave is summarized in Table 3-40.Table 3-40Residential Permits – 10-Year Average Share/MixALL UNITS SFD MF/OTHERSan Bernardino Subarea 52.0% 52.8% 25.5%Los Angeles Subarea 45.9% 45.0% 61.5%Kern Subarea 2.1% 2.2% 13.0%WEMO Overall 100.0% 100.0% 100.0%WEMO Unit Mix 100.0% 89.6% 10.4%Source: U.S. Bureau of the Census - Residential Construction Branch.As shown, within the last 10 years, the San Bernardino subarea has accounted for thelargest share of total permits, followed closely by the Los Angeles subarea.The 10-year average share of permit activity in each of the subareas described above isnot static but in fact reflects a shifting pattern of growth. Overall, the total share of housingactivity in the San Bernardino and Kern subareas has been declining, while the correspondingshare occurring in the Los Angeles subarea has been growing.Chapter 3 3-205
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CHAPTER THREEAFFECTED ENVIRONMENT3.
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The CDCA Plan assigns a “multiple
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Desert Tortoise Research Natural Ar
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closure to target shooting. Hunting
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percentage of public land ownership
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As of March 2004, BLM had acquired
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Ripley Joshua Tree Woodland: The st
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through “resource use” designat
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Significant Ecological Areas: There
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Wildlife and Wildflower Sanctuaries
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Mojave River Forks Regional Park: A
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oriented commercial uses are expect
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HCP would include mitigation measur
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3.1.3.12 City of RidgecrestThe City
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It is a goal of the town’s genera
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• Inyo California Towhee (April 1
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(i) The taking will be incidental;(
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handled, and number accidentally ki
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3.1.5 California Endangered Species
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Obtaining an Incidental Take Permit
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Monitoring: Monitoring is often the
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is so restrictive that project dela
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excess moisture. A minus 4 is consi
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Air BasinsN190I n y o C o395Ridgecr
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Federal PM10 Planning AreasN190Owen
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POLLUTANTOzone (O 3 )RespirablePart
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AIRBASINAIR QUALITYDISTRICTPOLLUTAN
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subtraction of transported ozone in
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The general soil information and ma
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The Marine Corps Ground Combat Cent
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The most permeable basin-fill depos
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Surface water was and is the major
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A relatively small number of introd
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freshwater or alkali wetlands, or o
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3.3.2 Desert Tortoise3.3.2.1 Regula
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progress toward meeting the overall
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“higher density” and “lower d
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several seasons (Esque 1994 in Aver
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Assistant District Manager Molly Br
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• Since 1975, federal land manage
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“52 mi 2 of higher density tortoi
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1984 Tortoise Range and Density Map
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Higher Density Tortoise Sign Count
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When data for the three lowest sign
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Occurrence of Tortoises Relative to
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Regional Declines in the Four DWMAs
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Tortoise Distribution within the Re
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Boarman (pers. comm., Nov 2002) has
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tortoises are either extirpated (La
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sites surveyed by LaRue between 199
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aseline data are lacking. Grasses p
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Canine Predators: This includes coy
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The spatial distribution of 12 of 1
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Predation Versus Scavenging of Juve
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Table 3-20Prevalence of Tortoises i
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(Jacobson et al. 1991, Brown et al.
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3.3.2.5.3 Older and Newer Die-off R
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Table 3-21Characteristics of Older
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Table 3-22Characteristics of Older
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of the Johnson Valley Open Area, an
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Distribution of Recreational and Re
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Tortoises and Burrows Crushed: Vehi
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TypeYearsSignCount98-99-01Distance2
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OHV Impacts to Soils: OHV use has r
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Rodman DWMA. There were no higher d
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of Dove Springs that has experience
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Both inside and adjacent to open ar
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3.3.2.6.6 Organized Competitive OHV
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3.3.2.7 Current Effectiveness of Ex
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Overall, one sees that 68% of the 3
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off regions discussed herein. Black
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ManixACECMojave fishhookcactusRainb
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Range of Mohave Ground SquirrelN190
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3.3.3.2.2 Seasonal ActivityThe MGS
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1996). As herbaceous annuals appear
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1998 Mohave Ground Squirrel Transec
Page 153 and 154: Finally, the 84% success rate was a
Page 155 and 156: LaRue characterized substrates at t
Page 157 and 158: There were no MGS occurrences in 28
Page 159 and 160: certain shrubs (e.g. winterfat) tha
Page 161 and 162: NAWS China Lake 1993). As discussed
Page 163 and 164: Cumulatively, one finds there to be
Page 165 and 166: Citing Bury and Luckenbach (1977),
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Page 169 and 170: Habitat Management Plans (HMPs) wer
Page 171 and 172: Basic to the biology of bighorn she
Page 173 and 174: 3.3.6 Birds3.3.6.1 Bendire’s Thra
Page 175 and 176: 3.3.6.5 Golden EagleLife History: T
Page 177 and 178: The towhee recovery plan establishe
Page 179 and 180: Regulatory Status: Federal Endanger
Page 181 and 182: 3.3.6.15 Western Yellow-billed Cuck
Page 183 and 184: Other major threats are flood contr
Page 185 and 186: Population Status in the Planning A
Page 187 and 188: on the inaccessible mountain slopes
Page 189 and 190: 3.3.8.8 Kern BuckwheatLife History:
Page 191 and 192: Threats Affecting the Mojave Monkey
Page 193 and 194: 3.3.8.16 Red Rock PoppyLife History
Page 195 and 196: populations show intergradation wit
Page 197 and 198: 3.4.1.1 Regional EnvironmentIn tota
Page 199 and 200: Table 3-37Average Annual Units Cons
Page 201 and 202: 2002 SOUTHERN CALIFORNIAEMPLOYMENT
Page 203: TABLE 3-382000 CENSUS DEMOGRAPHIC C
Page 207 and 208: 3.4.1.5 Study Area Property Valuati
Page 209 and 210: The supply of private property in t
Page 211 and 212: ALLOTMENT NAME TYPE OF LIVESTOCK FO
Page 213 and 214: Grazing AllotmentsNOlanchaDarwinTun
Page 215 and 216: ALLOTMENT NAMEALLOTMENTACRESP. L. 1
Page 217 and 218: 3.4.3 Mineral Potential and Develop
Page 219 and 220: Mineral Potential, Active and Inact
Page 221 and 222: Mineral Potential, Active and Inact
Page 223 and 224: development based on the results of
Page 225 and 226: MANAGEMENT AREATable 3-46Potential
Page 227 and 228: A third item, yttrium (on the USBM
Page 229 and 230: the California Department of Conser
Page 231 and 232: Table 3-49 shows the number of mini
Page 233 and 234: produces about 75,000 tons per year
Page 235 and 236: Table 3-50Most Important Deposits B
Page 237 and 238: 3.4.3.5 Coolgardie MesaThe Coolgard
Page 239 and 240: Areas designated as regionally sign
Page 241 and 242: Recreationists engage in activities
Page 243 and 244: OPENAREADoveSpringsElMirageJawboneC
Page 245 and 246: cycle engine motorcycles in OHV rid
Page 247 and 248: One popular activity is dual sport
Page 249 and 250: Compliance With Regulations: Compli
Page 251 and 252: REGIONORCITYRidgecrestSanBernardino
Page 253 and 254: REGIONORCITYVictorville /AppleValle
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Rail: The West Mojave planning area
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Arterials: Arterials are routes wit
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Ridgecrest-Inyokern Sanitary Landfi
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approximately 3 miles south of the
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Trona-Agrus Transfer Station (SWIS
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The BLM is an agency of the U.S. De
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Route designations apply only to ro
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Utility Maintenance: Many powerline
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ACECNAME ANDNUMBERHarper Dry Lake(3
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SUBREGIONAmboyBighornCoyoteEastSier
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• All pipelines with diameters gr
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3.6.2 Energy Generation PlantsEnerg
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3.7 CULTURAL RESOURCES3.7.1 Archaeo
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seasonal movement from place to pla
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RIDGECREST FIELD OFFICEPROPERTY NAM
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ACECRose SpringFossil FallsLast Cha
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have been dated by radiocarbon and
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MYACENOZOICEPOCHTable 3-65Paleontol
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In the southern area, fossils of la
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At Twenty-Nine Palms, there is an u
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West Mojave Plan FEIR/S - Desert Managers Group

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