DOCSLIB.ORG

Investigations Into the Ecological Relationships of Ponderosa Pine in Southeast Arizona

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Investigations Into the Ecological Relationships of Ponderosa Pine in Southeast Arizona Investigations into the ecological relationships of ponderosa pine in southeast Arizona Item Type text; Dissertation-Reproduction (electronic) Authors Dodge, Richard Archie, 1932- Publisher The University of Arizona. Rights Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author. Download date 29/09/2021 11:58:12 Link to Item http://hdl.handle.net/10150/565610 INVESTIGATIONS INTO THE ECOLOGICAL RELATIONSHIPS OF PONDEROSA PINE IN SOUTHEAST ARIZONA by Richard Archie Dodge A Dissertation Submitted to the Faculty of the BOTANY DEPARTMENT In Partial Fulfillment of the Requirements For the Degree of DOCTOR OF PHILOSOPHY In the Graduate College THE UNIVERSITY OF ARIZONA 1963 THE UNIVERSITY OF ARIZONA GRADUATE COLLEGE I hereby recommend that this dissertation prepared under my direction by Richard Archie Dodge_____________________ entitled Investigations into the Ecological Relationships of Ponderosa Pine in Southeast Arizona______ be accepted as fulfilling the dissertation requirement of the degree of Doctor of Philosophy,_______________________ sertatioff Director After inspection of the dissertation, the following members of the Final Examination Committee concur in its approval and recommend its acceptance:* i V • / v v —" -------- V A s - A J / >(t J(e 5 C C'J r c V -7 A 3 P T'/p 7 / (> B *This approval and acceptance is contingent on the candidate's adequate performance and defense of this dissertation at the final oral examination. The inclusion of this sheet bound into the library copy of the dissertation is evidence of satisfactory performance at the final examination. STATEMENT BY AUTHOR This dissertation has been submitted in partial fulfillment of requirements for an advanced degree at The University of Arizona and is deposited in The University Library to be made available to borrowers under rules of the Library. Brief quotations from this dissertation are allow­ able without special permission, provided that accurate acknowledgment of source is made. Requests for permission for extended quotation from or reproduction of this manu­ script in whole or in part may be granted by the head of the major department or the Dean of the Graduate College when in their judgment the proposed use of the material is in the interests of scholarship. In all other instances, however, permission must be obtained from the author. ACKNOWLEDGMENT I wish to express my indebtedness to Dr. Raymond M. Turner for his generous encouragement and guidance through the course of this investigation. Without his inspiration and suggestions, this work would not have been initiated or completed. I wish further to express gratitude to the members of my guidance committee. Dr. Stanley W. Buol, Dr. Edwin B. Kurtz, Jr., Dr. Charles H. Lowe, Jr., and Dr. Robert H. Maier for the numerous suggestions, encouragement and interest shown during this study. Special thanks is extended to Dr. Harold C. Fritts for assistance with parts of the studies and for analyzing data from portions of the work. Gratitude is given to the Department of Botany, Department of Agricultural Chemistry and Soils, and the Laboratory of Tree Ring Research of the University of Arizona for assistance from interested personnel and for making essen­ tial equipment and facilities available. Appreciation is extended to the personnel of the Coronado National Forest, U.S. Forest Service, for assistance and support during phases of the field research, and to the personnel of the Saguaro National Monument and Coronado National Memorial, U.S. National Park Service, for the availability of facilities and actual field assistance by members of these organizations. Gratitude is also extended to The Arizona Academy of Science which has aided portions of this study with financial support. Appreciation is extended to my wife, Donna Dodge, for her assistance and considerable encou ragement during all phases of this research. • C J iv TABLE OF CONTENTS Page LIST OF TABLES ......................................... vi i LIST OF FIGURES.................. ix INTRODUCTION ............................................. 1 METHODS............. 8 Habitat Studies....................................... 8 Phytosociological Sampling Techniques.............. 10 Location of the Study Areas........................ 15 Morphological Observations ........................... 29 Needles and Branches............................... 30 P o llen ............................................. 33 Pistil late C o n e s ................................... 37 Dendrometer Studies................................... 40 RESULTS................................................... 46 Habitat Studies......................................... 46 Phytosociological Relationships...................... 46 Needle Factor......................................... 54 Morphological Characters .............................. 56 Needles............................................... 56 P ollen ............................. 58 Pistillate Cones .................................... 64 Dendrometer Studies.................................... 74 DISCUSSION................................... 80 Habitat Studies......................................... 80 Phytosociological Relationships................... 80 Needle Factor......................................... 91 v TABLE OF CONTENTS (Continued) Page Morphological Characters ............. 95 Needles............................................. 95 P o l l e n ...................................... 97 Pistillate C o n e s .................. 98 Dendrometer Studies..................................... 100 SUMMARY. ......................................... 109 LITERATURE CITED ........................................ 113 LIST OF TABLES Table Page 1. Distinguishing characteristics of Pinus arizonica and P, ponderosa........ >....................... 7 2. Elevation, magnetic azimuth of slope studied, general slope angle and number of quarters sampled in the Santa Catalina Mountains.......... 18 ■3. Elevation, magnetic azimuth of slope studied, general slope angle and number of quarters sampled in the Rincon Mountains.......... .. 21 4. Elevation, magnetic azimuth of slope studied, general slope angle and number of quarters sampled in the Pinaleno Mountains. ........ 25 5. Elevation, magnetic azimuth of slope studied, general slope angle and number of quarters sampled in the Chiricahua Mountains.............. 27 6. Site comparison for the trees used in the dendrometer study, Santa Catalina Mountains. 42 7. Relative density, relative dominance, relative frequency and importance values in the quarters quadrats on the Santa Catalina Mountains from 8500 to 7000 feet................................. 47 8. Relative density, relative dominance, relative frequency and importance values in the quarters quadrats on the Rincon Mountains from 8500 to 7250 feet......................................... 48 9. Relative density, relative dominance, relative frequency and importance values in the quarters quadrats on the Pinaleno Mountains from 10,000 to 7000 f e e t ..................................... 50 10. Relative density, relative dominance, relative frequency and importance values in the quarters quadrats on the Chiricahua Mountains from 9500 to 8000 feet ................................. 53 vi i LIST OF TABLES (Continued) Table Page 11. Needle factor for ponderosa pine by elevation in several mountain ranges of southeast Arizona........................................... 55 12. Average length of ponderosa pine needles from locations studied in Arizona and Sonora........... 57 13. Mean and standard deviation of the pollen-grain diameter and bladder width of three putative populations of ponderosa pine on Mt. Bigelow, Santa Catalina Mountains . ... ................. 61 14. Analysis of variance of pollen grain size from trees within three putative populations of ponderosa pine on Mt. Bigelow, Santa Catalina Mountains. ..... ........................... 63 15. Analysis of variance of pollen grain bladder widths within three putative populations of ponderosa pine on Mt. Bigelow, Santa Catalina Mountains........................................ 63 16. Analysis of variance of the ratio between pollen- grain diameter and bladder width from three putative populations of ponderosa pine on Mt. Bigelow, Santa Catalina Mountains. ...... 63 17. Comparison of the mean and standard deviation of the pollen-grain diameter and bladder width of . pollen grains collected in the Pinaleno, Galiuro, and Santa Rita Mountains, Arizona .... 65 18. Mean length, range, standard deviation, and sample size for cones collected at several stations in Arizona and Sonora . .... 66 19. Cone prickle designation and sample size for . stations in Arizona and S onora .................. 70 viii LIST OF FIGURES Figure Page 1. General distribution of ponderosa pine in Arizona..................................... 2 2. Location of mountainous regions of southeastern Arizona in which ponderosa pine was studied. $ 3. Pollen grain dimensions............................. 34 4. Frequency distributions showing number of stomates/mm in 0.5 mm classes. Data from ponderosa pine in Arizona and S onora ............ 59 5. Frequency distributions showing number of stomates/mm in 0.5 mm classes. Data from ponderosa pine in Mt. Bigelow study area, Santa Catal
Load more

Recommended publications
  • Ore· Deposits of The
    fu\fE-199 UNITED STATES ATOMIC ENERGY COMMISSION GRAND JUNCTION OPERATIONS OFFICE EXPLORATION DIVISION SUMMARY OF URANIUM EXPLORATION IN THE LUKACHUKAI MOUNTAINS, APACHE COUNTY, ARIZONA 1950-1955 CONTRACT NOS. AT(30-1) 1021, 1139, 1263, 1364; AT(05-l) 234, 257 By Raymond F. Kosatka UNEDITED MANUSCRIPT Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed in this report, or represents that its use would not infringe privately owned rights. Reference therein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. March 30, 1956 Grand Junction, Colorado Summary of Uranium Exploration In The Lukachukai Mountains, Apache County, Arizona 1950 - 1955 CONTENTS Abstract ............................................................... iii Introduction. ••••••••••••• 0 ..................................... l Exploration and Mining History...................................... 1 Genera 1 Geology.. • • • • • • • • • • .. • • • • • • • • • • • • • • • .. • • • • • • • • • • • • • • • •
    [Show full text]
  • Sell-0717 , Rincon Mountains, AGS Field Trip, Nov. 1971 , AZ, Pima Co. ,MILS
    CONTACT INFORMATION Mining Records Curator Arizona Geological Survey 416 W. Congress St., Suite 100 Tucson, Arizona 85701 520-770-3500 http://www.azgs.az.gov [email protected] The following file is part of the James Doyle Sell Mining Collection ACCESS STATEMENT These digitized collections are accessible for purposes of education and research. We have indicated what we know about copyright and rights of privacy, publicity, or trademark. Due to the nature of archival collections, we are not always able to identify this information. We are eager to hear from any rights owners, so that we may obtain accurate information. Upon request, we will remove material from public view while we address a rights issue. CONSTRAINTS STATEMENT The Arizona Geological Survey does not claim to control all rights for all materials in its collection. These rights include, but are not limited to: copyright, privacy rights, and cultural protection rights. The User hereby assumes all responsibility for obtaining any rights to use the material in excess of “fair use.” The Survey makes no intellectual property claims to the products created by individual authors in the manuscript collections, except when the author deeded those rights to the Survey or when those authors were employed by the State of Arizona and created intellectual products as a function of their official duties. The Survey does maintain property rights to the physical and digital representations of the works. QUALITY STATEMENT The Arizona Geological Survey is not responsible for the accuracy of the records, information, or opinions that may be contained in the files. The Survey collects, catalogs, and archives data on mineral properties regardless of its views of the veracity or accuracy of those data.
    [Show full text]
  • Index 1 INDEX
    Index 1 INDEX A Blue Spring 76, 106, 110, 115 Bluff Spring Trail 184 Adeii Eechii Cliffs 124 Blythe 198 Agate House 140 Blythe Intaglios 199 Agathla Peak 256 Bonita Canyon Drive 221 Agua Fria Nat'l Monument 175 Booger Canyon 194 Ajo 203 Boundary Butte 299 Ajo Mountain Loop 204 Box Canyon 132 Alamo Canyon 205 Box (The) 51 Alamo Lake SP 201 Boyce-Thompson Arboretum 190 Alstrom Point 266, 302 Boynton Canyon 149, 161 Anasazi Bridge 73 Boy Scout Canyon 197 Anasazi Canyon 302 Bright Angel Canyon 25, 51 Anderson Dam 216 Bright Angel Point 15, 25 Angels Window 27 Bright Angel Trail 42, 46, 49, 61, 80, 90 Antelope Canyon 280, 297 Brins Mesa 160 Antelope House 231 Brins Mesa Trail 161 Antelope Point Marina 294, 297 Broken Arrow Trail 155 Apache Junction 184 Buck Farm Canyon 73 Apache Lake 187 Buck Farm Overlook 34, 73, 103 Apache-Sitgreaves Nat'l Forest 167 Buckskin Gulch Confluence 275 Apache Trail 187, 188 Buenos Aires Nat'l Wildlife Refuge 226 Aravaipa Canyon 192 Bulldog Cliffs 186 Aravaipa East trailhead 193 Bullfrog Marina 302 Arch Rock 366 Bull Pen 170 Arizona Canyon Hot Springs 197 Bush Head Canyon 278 Arizona-Sonora Desert Museum 216 Arizona Trail 167 C Artist's Point 250 Aspen Forest Overlook 257 Cabeza Prieta 206 Atlatl Rock 366 Cactus Forest Drive 218 Call of the Canyon 158 B Calloway Trail 171, 203 Cameron Visitor Center 114 Baboquivari Peak 226 Camp Verde 170 Baby Bell Rock 157 Canada Goose Drive 198 Baby Rocks 256 Canyon del Muerto 231 Badger Creek 72 Canyon X 290 Bajada Loop Drive 216 Cape Final 28 Bar-10-Ranch 19 Cape Royal 27 Barrio
    [Show full text]
  • Arizona Regional Haze 308
    Arizona State Implementation Plan Regional Haze Under Section 308 Of the Federal Regional Haze Rule Air Quality Division January 2011 (page intentionally blank) TABLE OF CONTENTS CHAPTER 1: INTRODUCTION........................................................................................................ 1 1.1 Overview of Visibility and Regional Haze..................................................................................2 1.2 Arizona Class I Areas.................................................................................................................. 3 1.3 Background of the Regional Haze Rule ......................................................................................3 1.3.1 The 1977 Clean Air Act Amendments................................................................................ 3 1.3.2 Phase I Visibility Rules – The Arizona Visibility Protection Plan ..................................... 4 1.3.3 The 1990 Clean Air Act Amendments................................................................................ 4 1.3.4 Submittal of Arizona 309 SIP............................................................................................. 6 1.4 Purpose of This Document .......................................................................................................... 9 1.4.1 Basic Plan Elements.......................................................................................................... 10 CHAPTER 2: ARIZONA REGIONAL HAZE SIP DEVELOPMENT PROCESS ......................... 15 2.1 Federal
    [Show full text]
  • Maricopa County Regional Trail System Plan
    Maricopa County Regional Trail System Plan Adopted August 16, 2004 Maricopa Trail Maricopa County Trail Commission Maricopa County Department of Transportation Maricopa County Parks and Recreation Maricopa County Planning and Development Flood Control District of Maricopa County We have an obligation to protect open spaces for future generations. Maricopa County Regional Trail System Plan VISION Our vision is to connect the majestic open spaces of the Maricopa County Regional Parks with a nonmotorized trail system. The Maricopa Trail Maricopa County Regional Trail System Plan - page 1 Credits Maricopa County Board of Supervisors Andrew Kunasek, District 3, Chairman Fulton Brock, District 1 Don Stapley, District 2 Max Wilson, District 4 Mary Rose Wilcox, District 5 Maricopa County Trail Commission Supervisor Max Wilson, District 4 Chairman Supervisor Andrew Kunasek, District 3 Parks Commission Members: Citizen Members: Laurel Arndt, Chair Art Wirtz, District 2 Randy Virden, Vice-Chair Jim Burke, District 3 Felipe Zubia, District 5 Stakeholders: Carol Erwin, Bureau of Reclamation (BOR) Fred Pfeifer, Arizona Public Service (APS) James Duncan, Salt River Project (SRP) Teri Raml, Bureau of Land Management (BLM) Ex-officio Members: William Scalzo, Chief Community Services Officer Pictured from left to right Laurel Arndt, Supervisor Andy Kunasek, Fred Pfeifer, Carol Erwin, Arizona’s Official State Historian, Marshall Trimble, and Art Wirtz pose with the commemorative branded trail marker Mike Ellegood, Director, Public Works at the Maricopa Trail
    [Show full text]
  • A Conceptual Hydrogeologic Model for Fossil Springs, Western
    A CONCEPTUAL HYDROGEOLOGIC MODEL FOR FOSSIL SPRINGS, WESTERN MOGOLLON RIM, ARIZONA: IMPLICATIONS FOR REGIONAL SPRINGS PROCESSES By L. Megan Green A Thesis Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Science in Geology Northern Arizona University May 2008 Approved: _________________________________ Abraham E. Springer, Ph.D., Chair _________________________________ Roderic A. Parnell, Jr., Ph.D. _________________________________ Paul J. Umhoefer, Ph.D. ABSTRACT A CONCEPTUAL HYDROGEOLOGIC MODEL FOR FOSSIL SPRINGS, WEST MOGOLLON MESA, ARIZONA: IMPLICATIONS FOR REGIONAL SPRINGS PROCESSES L. Megan Green Fossil Springs is the largest spring system discharging along the western Mogollon Rim in central Arizona and is a rare and important resource to the region. The purpose of this study was to gain a better understanding of the source of groundwater discharging at Fossil Springs. This was accomplished by (1) constructing a 3-D digital hydrogeologic framework model from available data to depict the subsurface geology of the western Mogollon Rim region and (2) by compiling and interpreting regional structural and geophysical data for Arizona’s central Transition Zone. EarthVision, a 3-D GIS modeling software, was used to construct the framework model. Two end-member models were created; the first was a simple interpolation of the data and the second was a result of geologic interpretations. The second model shows a monocline trending along the Diamond Rim fault. Both models show Fossil Springs discharging at the intersection of the Diamond Rim fault and Fossil Springs fault, at the contact between the Redwall Limestone and Naco Formation. The second objective of this study was a compilation of regional data for Arizona’s central Transition Zone.
    [Show full text]
  • Summits on the Air – ARM for the USA (W7A
    Summits on the Air – ARM for the U.S.A (W7A - Arizona) Summits on the Air U.S.A. (W7A - Arizona) Association Reference Manual Document Reference S53.1 Issue number 5.0 Date of issue 31-October 2020 Participation start date 01-Aug 2010 Authorized Date: 31-October 2020 Association Manager Pete Scola, WA7JTM Summits-on-the-Air an original concept by G3WGV and developed with G3CWI Notice “Summits on the Air” SOTA and the SOTA logo are trademarks of the Programme. This document is copyright of the Programme. All other trademarks and copyrights referenced herein are acknowledged. Document S53.1 Page 1 of 15 Summits on the Air – ARM for the U.S.A (W7A - Arizona) TABLE OF CONTENTS CHANGE CONTROL....................................................................................................................................... 3 DISCLAIMER................................................................................................................................................. 4 1 ASSOCIATION REFERENCE DATA ........................................................................................................... 5 1.1 Program Derivation ...................................................................................................................................................................................... 6 1.2 General Information ..................................................................................................................................................................................... 6 1.3 Final Ascent
    [Show full text]
  • Mammals of the Rincon Mountain District, Saguaro National Park
    National Park Service U.S. Department of the Interior Natural Resource Stewardship and Science Mammals of the Rincon Mountain District, Saguaro National Park Natural Resource Report NPS/SODN/NRR—2011/437 ON THE COVER Jaguar killed in Rincon Mountains in 1902, photographed at saloon in downtown Tucson. Photograph courtesy Arizona Historical Society. Mammals of the Rincon Mountain District, Saguaro National Park Natural Resource Report NPS/SODN/NRR—2011/437 Author Don E. Swann With contributions by Melanie Bucci, Matthew Caron, Matthew Daniels, Ronnie Sidner, Sandy A. Wolf, and Erin R. Zylstra Saguaro National Park 3693 South Old Spanish Trail Tucson, Arizona 85730-5601 Editing and Design Alice Wondrak Biel Sonoran Desert Network 7660 E. Broadway Blvd., Suite 303 Tucson, AZ 85710 August 2011 U.S. Department of the Interior National Park Service Natural Resource Stewardship and Science Fort Collins, Colorado The National Park Service’s Natural Resource Stewardship and Science offi ce, in Fort Collins, Colo- rado, publishes a range of reports that address natural resource topics of interest and applicability to a broad audience in the National Park Service and others in natural resource management, including scientists, conservation and environmental constituencies, and the public. The Natural Resource Report Series is used to disseminate high-priority, current natural resource management information with managerial application. The series targets a general, diverse audience, and may contain NPS policy considerations or address sensitive issues of management applicability. All manuscripts in the series receive the appropriate level of peer review to ensure that the informa- tion is scientifi cally credible, technically accurate, appropriately written for the intended audience, and designed and published in a professional manner.
    [Show full text]
  • Floristic Surveys of Saguaro National Park Protected Natural Areas
    Floristic Surveys of Saguaro National Park Protected Natural Areas William L. Halvorson and Brooke S. Gebow, editors Technical Report No. 68 United States Geological Survey Sonoran Desert Field Station The University of Arizona Tucson, Arizona USGS Sonoran Desert Field Station The University of Arizona, Tucson The Sonoran Desert Field Station (SDFS) at The University of Arizona is a unit of the USGS Western Ecological Research Center (WERC). It was originally established as a National Park Service Cooperative Park Studies Unit (CPSU) in 1973 with a research staff and ties to The University of Arizona. Transferred to the USGS Biological Resources Division in 1996, the SDFS continues the CPSU mission of providing scientific data (1) to assist U.S. Department of Interior land management agencies within Arizona and (2) to foster cooperation among all parties overseeing sensitive natural and cultural resources in the region. It also is charged with making its data resources and researchers available to the interested public. Seventeen such field stations in California, Arizona, and Nevada carry out WERC’s work. The SDFS provides a multi-disciplinary approach to studies in natural and cultural sciences. Principal cooperators include the School of Renewable Natural Resources and the Department of Ecology and Evolutionary Biology at The University of Arizona. Unit scientists also hold faculty or research associate appointments at the university. The Technical Report series distributes information relevant to high priority regional resource management needs. The series presents detailed accounts of study design, methods, results, and applications possibly not accommodated in the formal scientific literature. Technical Reports follow SDFS guidelines and are subject to peer review and editing.
    [Show full text]
  • Coronado National Forest
    CORONADO NATIONAL FOREST FIRE MANAGEMENT PLAN Reviewed and Updated by _/s/ Chris Stetson ___________ Date __5/18/10 __________ Coronado Fire Management Plan Interagency Federal fire policy requires that every area with burnable vegetation must have a Fire Management Plan (FMP). This FMP provides information concerning the fire process for the Coronado National Forest and compiles guidance from existing sources such as but not limited to, the Coronado National Forest Land and Resource Management Plan (LRMP), national policy, and national and regional directives. The potential consequences to firefighter and public safety and welfare, natural and cultural resources, and values to be protected help determine the management response to wildfire. Firefighter and public safety are the first consideration and are always the priority during every response to wildfire. The following chapters discuss broad forest and specific Fire Management Unit (FMU) characteristics and guidance. Chapter 1 introduces the area covered by the FMP, includes a map of the Coronado National Forest, addresses the agencies involved, and states why the forest is developing the FMP. Chapter 2 establishes the link between higher-level planning documents, legislation, and policies and the actions described in FMP. Chapter 3 articulates specific goals, objectives, standards, guidelines, and/or desired future condition(s), as established in the forest’s LRMP, which apply to all the forest’s FMUs and those that are unique to the forest’s individual FMUs. Page 1 of 30 Coronado Fire Management Plan Chapter 1. INTRODUCTION The Coronado National Forest developed this FMP as a decision support tool to help fire personnel and decision makers determine the response to an unplanned ignition.
    [Show full text]
  • March 12, 2020 Heather Provencio Forest
    March 12, 2020 Heather Provencio Forest Supervisor Kaibab National Forest 800 South 6th Street Williams, AZ 86046 [email protected] Re: Forest Service Should Reject Stilo and Tusayan’s Special Use Proposal Dear Supervisor Provencio: We understand that you are currently evaluating Stilo Development Group and the Town of Tusayan’s January 23, 2020 revised joint proposal for special use authorization for easements to enable a massive commercial, retail, and residential development on inholdings at the doorstep of Grand Canyon National Park. Stilo’s proposed development will have significant adverse impacts on the Grand Canyon, the Kaibab National Forest, and tribal nations. As noted in our previous letter, the National Park Service previously has cautioned that Stilo’s proposed development will have “tremendous negative (and possibly irretrievable) impacts on the park infrastructure and resources for which the park was established,”1 and constitutes one of the gravest threats to the Park in its now 100-year history.2 The proposed development is largely, perhaps entirely, unchanged since the Forest Service rejected Stilo and Tusayan’s similar 2014 special use proposal for failing to satisfy the agency’s mandatory initial- and secondary-screening criteria under 36 C.F.R. § 251.54(e). Stilo and Tusayan’s January 23, 2020 special use proposal likewise fails to satisfy the mandatory screening criteria, and thus it would be arbitrary and capricious for the Forest Service to now accept the proposal. In fact, regarding the critical issue of groundwater consumption, their revised special use proposal seemingly is less protective of groundwater resources—and thus less protective of the Grand Canyon’s fragile seeps and springs—than their 2019 draft proposal.
    [Show full text]
  • Arizona's Wildlife Linkages Assessment
    ARIZONAARIZONA’’SS WILDLIFEWILDLIFE LINKAGESLINKAGES ASSESSMENTASSESSMENT Workgroup Prepared by: The Arizona Wildlife Linkages ARIZONA’S WILDLIFE LINKAGES ASSESSMENT 2006 ARIZONA’S WILDLIFE LINKAGES ASSESSMENT Arizona’s Wildlife Linkages Assessment Prepared by: The Arizona Wildlife Linkages Workgroup Siobhan E. Nordhaugen, Arizona Department of Transportation, Natural Resources Management Group Evelyn Erlandsen, Arizona Game and Fish Department, Habitat Branch Paul Beier, Northern Arizona University, School of Forestry Bruce D. Eilerts, Arizona Department of Transportation, Natural Resources Management Group Ray Schweinsburg, Arizona Game and Fish Department, Research Branch Terry Brennan, USDA Forest Service, Tonto National Forest Ted Cordery, Bureau of Land Management Norris Dodd, Arizona Game and Fish Department, Research Branch Melissa Maiefski, Arizona Department of Transportation, Environmental Planning Group Janice Przybyl, The Sky Island Alliance Steve Thomas, Federal Highway Administration Kim Vacariu, The Wildlands Project Stuart Wells, US Fish and Wildlife Service 2006 ARIZONA’S WILDLIFE LINKAGES ASSESSMENT First Printing Date: December, 2006 Copyright © 2006 The Arizona Wildlife Linkages Workgroup Reproduction of this publication for educational or other non-commercial purposes is authorized without prior written consent from the copyright holder provided the source is fully acknowledged. Reproduction of this publication for resale or other commercial purposes is prohibited without prior written consent of the copyright holder. Additional copies may be obtained by submitting a request to: The Arizona Wildlife Linkages Workgroup E-mail: [email protected] 2006 ARIZONA’S WILDLIFE LINKAGES ASSESSMENT The Arizona Wildlife Linkages Workgroup Mission Statement “To identify and promote wildlife habitat connectivity using a collaborative, science based effort to provide safe passage for people and wildlife” 2006 ARIZONA’S WILDLIFE LINKAGES ASSESSMENT Primary Contacts: Bruce D.
    [Show full text]