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Mammals of the California Desert
MAMMALS OF THE CALIFORNIA DESERT William F. Laudenslayer, Jr. Karen Boyer Buckingham Theodore A. Rado INTRODUCTION I ,+! The desert lands of southern California (Figure 1) support a rich variety of wildlife, of which mammals comprise an important element. Of the 19 living orders of mammals known in the world i- *- loday, nine are represented in the California desert15. Ninety-seven mammal species are known to t ':i he in this area. The southwestern United States has a larger number of mammal subspecies than my other continental area of comparable size (Hall 1981). This high degree of subspeciation, which f I;, ; leads to the development of new species, seems to be due to the great variation in topography, , , elevation, temperature, soils, and isolation caused by natural barriers. The order Rodentia may be k., 2:' , considered the most successful of the mammalian taxa in the desert; it is represented by 48 species Lc - occupying a wide variety of habitats. Bats comprise the second largest contingent of species. Of the 97 mammal species, 48 are found throughout the desert; the remaining 49 occur peripherally, with many restricted to the bordering mountain ranges or the Colorado River Valley. Four of the 97 I ?$ are non-native, having been introduced into the California desert. These are the Virginia opossum, ' >% Rocky Mountain mule deer, horse, and burro. Table 1 lists the desert mammals and their range 1 ;>?-axurrence as well as their current status of endangerment as determined by the U.S. fish and $' Wildlife Service (USWS 1989, 1990) and the California Department of Fish and Game (Calif. -
The Imperial Valley Is Located About 150 Miles Southeast of Los Angeles
The Imperial Valley is located about 150 miles southeast of Los Angeles. It is a section of a much larger geologic structure -- the Salton Trough -- which is about 1,000 miles in length. The structure extends from San Gorgonio Pass southeast to the Mexican border, including the Gulf of California and beyond the tip of the Baja California Peninsula. The surrounding mountains are largely faulted blocks of the Southern California batholith of Mesozoic age, overlain by fragments of an earlier metamorphic complex. The valley basin consists of a sedimentary fill of sands and gravels ranging up to 15,000 feet in thickness. The layers slope gently down-valley, and contain several important aquifers. The valley is laced with major members of the San Andreas Fault system. Minor to moderate earthquake events are common, but severe shocks have not been experienced in recorded history. The entire trough, including the Gulf is an extension of the East Pacific Rise, a zone of separation in Earth's crust. Deep sea submergence instruments have observed many phenomena of crustal formation. The axis of the Rise, hence of the Salton Valley as well, is a great transform fault that is having the effect of separating an enormous slab of North America, consisting of the Baja Peninsula and coastal California away from the mainland, with movement to the northwest and out to sea as a terranne. Table of Contents Chapter 1 The San Jacinto and Santa Rosa Mountains Chapter 2 The Eastern Mountains Chapter 3 San Gorgonio Pass Chapter 4 The Hills Chapter 5 Desert Sand -
2008 Trough to Trough
Trough to trough The Colorado River and the Salton Sea Robert E. Reynolds, editor The Salton Sea, 1906 Trough to trough—the field trip guide Robert E. Reynolds, George T. Jefferson, and David K. Lynch Proceedings of the 2008 Desert Symposium Robert E. Reynolds, compiler California State University, Desert Studies Consortium and LSA Associates, Inc. April 2008 Front cover: Cibola Wash. R.E. Reynolds photograph. Back cover: the Bouse Guys on the hunt for ancient lakes. From left: Keith Howard, USGS emeritus; Robert Reynolds, LSA Associates; Phil Pearthree, Arizona Geological Survey; and Daniel Malmon, USGS. Photo courtesy Keith Howard. 2 2008 Desert Symposium Table of Contents Trough to trough: the 2009 Desert Symposium Field Trip ....................................................................................5 Robert E. Reynolds The vegetation of the Mojave and Colorado deserts .....................................................................................................................31 Leah Gardner Southern California vanadate occurrences and vanadium minerals .....................................................................................39 Paul M. Adams The Iron Hat (Ironclad) ore deposits, Marble Mountains, San Bernardino County, California ..................................44 Bruce W. Bridenbecker Possible Bouse Formation in the Bristol Lake basin, California ................................................................................................48 Robert E. Reynolds, David M. Miller, and Jordon Bright Review -
Distribution and Seasonal Movements of Bendire's Thrasher in California
WESTERN BIRDS Volume 20, Number 3, 1989 DISTRIBUTION AND SEASONAL MOVEMENTS OF BENDIRE'S THRASHER IN CALIFORNIA A. SIDNEY ENGLAND, Departmentof Wildlifeand FisheriesBiology, University of California, Davis. California 95616 WILLIAM E LAUDENSLAYER,JR., U.S. D. A. ForestService, Forestry Sciences Laboratory,2081 E. SierraAvenue, Fresno, California 93710 The ecology and distribution of Bendire's Thrasher (Toxostorna bendirei)have been little studiedand are poorlyunderstood. Garrett and Dunn (1981:280) classifiedthe speciesas a "fairlycommon but very local summer resident on the Mojave Desert" in southern California. Californiabreeding populations are known primarily from the eastern Mojave Desert and scattered locations in and around Joshua Tree NationalMonument in the southernMojave Desert (Johnson et al. 1948, Miller and Stebbins1964, Garrett and Dunn 1981), areas frequently visitedby bird watchersand naturalists. However, recordsfrom other parts of the Mojave and Colorado deserts suggest that breeding populationsof Bendire'sThrasher may be more widely distributedthan currentlyrecognized. Also, the preferredbreeding habitat in Californiais relativelywidespread. This habitatis typicallydescribed as Mojavedesert scrubwith either JoshuaTrees (Yucca brevifolia), SpanishBayonet (Y. baccata), Mojave Yucca (Y. schidigera), cholla cactus (Opuntia acanthocarpa,O. echinocarpa,or O. rarnosissirna),or other succulents (Grinnelland Miller 1944, Bent 1948, Garrett and Dunn 1981). Remsen(1978) consideredthe total Californiabreeding population of Bendire'sThrasher to be under 200 pairs, and the specieshas been placedon the list of Bird Speciesof SpecialConcern by the California Departmentof Fishand Game (Remsen1978). It was placedon this list becausepopulations are smalland locallydistributed and believedto be threatenedby off-roadvehicle use, overgrazing,and harvestingof Joshua Treesand other speciesof yucca. In this paper, we report the resultsof a 2-year studyof the breeding- season distributionand movement patterns of Bendire's Thrasher in California. -
Petition to List the Western Joshua Tree Under the California Endangered Species
BEFORE THE CALIFORNIA FISH AND GAME COMMISSION A Petition to List the Western Joshua Tree (Yucca brevifolia) as Threatened under the California Endangered Species Act (CESA) Center for Biological Diversity October 15, 2019 i Notice of Petition For action pursuant to Section 670.1, Title 14, California Code of Regulations (CCR) and Division 3, Chapter 1.5, Article 2 of the California Fish and Game Code (Sections 2070 et seq.) relating to listing and delisting endangered and threatened species of plants and animals. I. SPECIES BEING PETITIONED: Species Name: Western Joshua tree (Yucca brevifolia) as either a full species, or as the subspecies Yucca brevifolia brevifolia. II. RECOMMENDED ACTION: Listing as Threatened The Center for Biological Diversity submits this petition to list the western Joshua tree (Yucca brevifolia) as Threatened pursuant to the California Endangered Species Act (California Fish and Game Code §§ 2050 et seq., “CESA”). The western Joshua tree (Yucca brevifolia), long recognized as a subspecies or variety (Yucca brevifolia brevifolia), has recently been recognized as a full species distinct from its close relative, the eastern Joshua tree (Yucca jaegeriana). This petition demonstrates that the western Joshua tree is eligible for and warrants listing under CESA based on the factors specified in the statute and implementing regulations. Specifically, the western Joshua tree meets the definition of a “threatened species” since it is “a native species or subspecies of a … plant that, although not presently threatened with extinction, is likely to become an endangered species in the foreseeable future in the absence of the special protection and management efforts . .” Cal. -
8 District Facilities
8 District Facilities North Orange County Community College District District Facilities Overview // NOCCCD is comprised of two comparatively large and academically excellent comprehensive colleges: Cypress College and Fullerton College as well as a very large noncredit component – the School of Continuing Education. Refer to Chapter 1 for a detailed description of the District. 2011 Comprehensive Master Plan // HMC Architects 8-1 North Orange County Community College District District Facilities District Context and Characteristics // The North Orange County Community College District spans a large breadth of geography, and sweeps across an area of rich diversity in population, business activity, and civic life. Bounded on the east by Anaheim Hills and the 91 Freeway corridor, its northern boundary runs along the foothills above Yorba Linda, Tonner Pass, and the avocado-rich hills above La Habra Heights. To the west (from north to south) are the 1 communities of Buena Park, La Palma, Cypress, Los Alamitos, and Seal Beach. Continuing counterclockwise, the southern boundary includes Huntington Beach, Garden Grove and Orange. Neatly bisecting the district territory in both directions are major freeways: SR-57 running north/south and SR-91 running east/ west. Interstate 5 also runs diagonally through the district. The SR-22 runs east/west along the southern portion of the district and the district also has portions of the SR-55 within its boundaries. 2 The district area is home to a widely diverse range of businesses, from the Disney Resort to aerospace research and manufacturing facilities. The weather is mild and pleasant most days of the year. There are many recreational resources right in the community area. -
AOU and Audubon Report: Status of the California Condor and Efforts To
Status of the California Condor and Efforts to Achieve its Recovery Prepared by the AOU Committee on Conservation, California Condor Blue Ribbon Panel, A Joint Initiative of The American Ornithologists’ Union and Audubon California Jeffrey R. Walters, Scott R. Derrickson, D. Michael Fry, Susan M. Haig, John M. Marzluff, Joseph M. Wunderle, Jr. August 2008 Status of the California Condor and Efforts to Achieve its Recovery August 2008 Prepared by the AOU Committee on Conservation, California Condor Blue Ribbon Panel, A Joint Initiative of The American Ornithologists’ Union and Audubon California Panel Members: Jeffrey R. Walters (chairman), Virginia Tech University Scott R. Derrickson, Smithsonian Institution, National Zoological Park D. Michael Fry, American Bird Conservancy Susan M. Haig, USGS Forest and Rangeland Ecosystem Science Center John M. Marzluff, University of Washington Joseph M. Wunderle, Jr., International Institute of Tropical Forestry, USDA Forest Service Assisted by: Brock B. Bernstein Karen L. Velas, Audubon California This report was supported with funding from the National Fish and Wildlife Foundation, the Morgan Family Foundation, and other private donors. © Copyright 2008 The American Ornithologists’ Union and Audubon California INTRODUCTION The California Condor (Gymnogyps californianus) has long been symbolic of avian conservation in the United States. Its large size, inquisitiveness and association with remote places make it highly charismatic, and its decline to the brink of extinction has aroused a continuing public interest in its plight. By 1982 only 22 condors remained, and the last wild bird was trapped and brought into captivity in 1987, rendering the species extinct in the wild (Snyder and Snyder 2000). At that time, some questioned whether viable populations could ever exist again in the natural environment, and whether limited conservation funds should be expended on what they viewed as a hopeless cause (Pitelka 1981). -
IN THIS ISSUE PresidentS Message Mike Pitcairn
CalEPPC A quarterly publication of the California News Exotic Pest Plant Council Volume 7 Numbers 3/4 Summer/Fall 1999 IN THIS ISSUE Presidents Message Mike Pitcairn ..................... p. 3 Ecology & Management of Alien Annual Plants in the California Deserts Matt Brooks & Kristin Berry p. 4 Where the Wild Weeds Are Tamara Kan ...................... p. 7 Weed Management Areas Steve Schoenig .................. p. 9 The Role of Herbicies in Preserving Biodiversity Jake Sigg ........................ p. 10 Elizabeth Brooks holding huge Brassica tournefortii, Kramer Hills, San Bernardino. Photo by Matt Brooks CalEPPC News Who We Are 2000 CalEPPC Officers and CalEPPC NEWS is published quarterly Board Members by the California Exotic Pest Plant Council, a non-profit organization. The Officers objects of the organization are to: President Mike Kelly email: <[email protected]> Vice-president Joe DiTomaso email: <[email protected]> j provide a focus for issues and Secretary Anne Knox email: <[email protected]> concerns regarding exotic pest Treasurer Sally Davis email: <[email protected]> plants in California; Past-president Mike Pitcairn email; <[email protected]> j facilitate communication and the At-large Board Members exchange of information regarding Joe Balciunas* email: <[email protected]> all aspects of exotic pest plant Matt Brooks email: <[email protected]> control and management; Carla Bossard* email: <[email protected]> Tom Dudley email: <[email protected]> Jodie Holt email: <[email protected]> j -
16 Endemic Insect Species from the Algodones Sand Dunes, Imperial County, California As Federally Endangered Or Threatened Under the Federal Endangered Species Act
July 19, 2004 Ms. Gale Norton Secretary of the Interior Department of the Interior 1849 C Street, N.W. Washington, D. D. 20240 Fax: (202) 208-6956 Mr. Jim Bartel Field Supervisor Carlsbad Fish and Wildlife Office 6010 Hidden Valley Road Carlsbad, CA 92009 Fax: (760) 431-9624 Dear Ms. Norton and Mr. Bartel, Enclosed please find a petition to list 16 insect species endemic to the Algodones Dunes, Imperial County, California as threatened or endangered pursuant to the Endangered Species Act, 16 U.S.C. 1531 et seq. The petition is submitted by the Center for Biological Diversity, Public Employees for Environmental Responsibility, and the Sierra Club. Petitioners will be sending supporting documentation in a follow-up mailing. Thank you for your consideration of this petition. Sincerely, Monica L. Bond Center for Biological Diversity Karen Schambach Public Employees for Environmental Responsibility George Barnes Sierra Club Petition to List 16 Endemic Insect Species from the Algodones Sand Dunes, Imperial County, California as Federally Endangered or Threatened under the Federal Endangered Species Act Photo by Andrew Harvey The Center for Biological Diversity hereby formally petitions to list: two sand wasps (Microbembex elegans Griswold and Stictiella villegasi Bohart); two bees (Perdita algodones Timberlake and P. glamis Timberlake); one vespid (Euparagia n. sp.); two velvet ants (Dasymutilla nocturna Mickel and Dasymutilla imperialis Manley and Pitts); three jewel beetles (Algodones sand jewel beetle, Lepismadora algodones Velten, Algodones white wax jewel beetle, Prasinalia imperialis (Barr), and Algodones Croton jewel beetle, Agrilus harenus Nelson); two scarab beetles (Hardy’s dune beetle, Anomala hardyorum Potts and Cyclocephala wandae); and four subspecies of Roth’s dune weevil (Trigonoscuta rothi rothi, T. -
Inland Deserts Region Report
CALIFORNIA’S FOURTH CLIMATE CHANGE ASSESSMENT Inland Deserts Region Report Coordinating Agencies: CALIFORNIA’S FOURTH CLIMATE CHANGE ASSESSMENT Introduction to California’s Fourth Climate Change Assessment alifornia is a global leader in using, investing in, and advancing research to set proactive climate change policy, and its Climate Change Assessments provide the scientific foundation for understanding climate- related vulnerability at the local scale and informing resilience actions. The Climate Change Assessments C directly inform State policies, plans, programs, and guidance to promote effective and integrated action to safeguard California from climate change. California’s Fourth Climate Change Assessment (Fourth Assessment) advances actionable science that serves the growing needs of state and local-level decision-makers from a variety of sectors. This cutting-edge research initiative is comprised of a wide-ranging body of technical reports, including rigorous, comprehensive climate change scenarios at a scale suitable for illuminating regional vulnerabilities and localized adaptation strategies in California; datasets and tools that improve integration of observed and projected knowledge about climate change into decision- making; and recommendations and information to directly inform vulnerability assessments and adaptation strategies for California’s energy sector, water resources and management, oceans and coasts, forests, wildfires, agriculture, biodiversity and habitat, and public health. In addition, these technical reports have been distilled into summary reports and a brochure, allowing the public and decision-makers to easily access relevant findings from the Fourth Assessment. • A concise summary of the Fourth Assessment’s most important findings and conclusions. • An in-depth report on how California’s people, built KEY FINDINGS environment, and ecosystems will be impacted by climate change and how we can proactively adapt, based on the Fourth Assessment’s findings. -
Dogs in the Southwest (22-3)
ARCHAEOLOGY SOUTHWEST CONTINUE ON TO THE NEXT PAGE FOR YOUR magazineFREE PDF (formerly the Center for Desert Archaeology) is a private 501 (c) (3) nonprofit organization that explores and protects the places of our past across the American Southwest and Mexican Northwest. We have developed an integrated, conservation- based approach known as Preservation Archaeology. Although Preservation Archaeology begins with the active protection of archaeological sites, it doesn’t end there. We utilize holistic, low-impact investigation methods in order to pursue big-picture questions about what life was like long ago. As a part of our mission to help foster advocacy and appreciation for the special places of our past, we share our discoveries with the public. This free back issue of Archaeology Southwest Magazine is one of many ways we connect people with the Southwest’s rich past. Enjoy! Not yet a member? Join today! Membership to Archaeology Southwest includes: » A Subscription to our esteemed, quarterly Archaeology Southwest Magazine » Updates from This Month at Archaeology Southwest, our monthly e-newsletter » 25% off purchases of in-print, in-stock publications through our bookstore » Discounted registration fees for Hands-On Archaeology classes and workshops » Free pdf downloads of Archaeology Southwest Magazine, including our current and most recent issues » Access to our on-site research library » Invitations to our annual members’ meeting, as well as other special events and lectures Join us at archaeologysouthwest.org/how-to-help In the meantime, stay informed at our regularly updated Facebook page! 300 N Ash Alley, Tucson AZ, 85701 • (520) 882-6946 • [email protected] • www.archaeologysouthwest.org ™ Archaeology Southwest Volume 22, Number 3 Center for Desert Archaeology Summer 2008 Dogs in the Southwest Tobi Taylor, Center for Desert Archaeology Alan Ferg, Arizona State Museum Dody Fugate, Museum of Indian Arts and Culture OGS AND HUMANS have lived together for a very long time. -
2017 GSOC Gold Award Girl Scout Yearbook
Recognizing Orange County 2017 Highest Awards Girl Scouts: Bronze Award Girl Scouts, Silver Award Girl Scouts, and Gold Award Girl Scouts Earned between October 2016 - September 2017 2017 HIGHEST AWARDS YEARBOOK GIRL SCOUTS OF ORANGE COUNTY The Girl Scout Gold Award Since 1916, Girl Scouts have been making meaningful, sustainable changes in their communities and around the world by earning the Highest Award in Girl Scouting. Originally called the Golden Eagle of Merit and later, the Golden Eaglet, Curved Bar, First Class, and now the Girl Scout Gold Award, this esteemed accolade is a symbol of excellence, leadership, and ingenuity and a testament to what a girl can achieve. The Girl Scout Gold Award is the highest award a Girl Scout may earn in Girl Scouting; it recognizes girls in grades 9- 12 who demonstrate extraordinary leadership through sustainable and measurable “Take Action” projects. A Girl Scout who chooses to “go gold” contributes to the world in purposeful and meaningful ways, learns how to identify problems, and creates long-term solutions and lasting change. As she designs, plans, implements, and evaluates her project, teaming up with others to take action in the community, she develops leadership, and becomes recognized as a community problem solver. Girl Scouts who earn the Gold Award distinguish themselves in the college admissions process, earn scholarships from a growing number of colleges and universities across the country, and immediately rise one rank in any branch of the U.S. military. Over the years, the Girl Scout Gold Award has inspired thousands of Orange County Girl Scouts to find greatness within themselves and to create sustainable solutions to issues they deeply care about.