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Perennial Grass Community Response to Severe Drought, Topo
PERENNIAL GRASS COMMUNITY RESPONSE TO SEVERE DROUGHT, TOPO- EDAPHIC VARIATION, AND LONG-TERM HERBIVORY ON THE EDWARDS PLATEAU OF TEXAS A Thesis by COLIN SCOTT SHACKELFORD Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE August 2004 Major Subject: Rangeland Ecology and Management PERENNIAL GRASS COMMUNITY RESPONSE TO SEVERE DROUGHT, TOPO- EDAPHIC VARIATION, AND LONG-TERM HERBIVORY ON THE EDWARDS PLATEAU OF TEXAS A Thesis by COLIN SCOTT SHACKELFORD Submitted to Texas A&M University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE Approved as to style and content by: ________________________ ________________________ Fred Smeins Raghavan Srinivasan (Chair of Committee) (Member) ________________________ ________________________ Charles Taylor Larry White (Member) (Member) ________________________ Steve Whisenant (Head of Department) August 2004 Major Subject: Rangeland Ecology and Management iii ABSTRACT Perennial Grass Community Response to Severe Drought, Topo-Edaphic Variation, and Long Term Herbivory on the Edwards Plateau of Texas. (August 2004) Colin Scott Shackelford, B.A., Austin College Chair of Advisory Committee: Dr. Fred Smeins Perennial grass vegetation dynamics of heavy grazing, moderate grazing and ungrazed treatments were analyzed during two extreme drought events: the drought of 1951 to 1956 and the drought events centered on the year 2000. Analysis of each drought event from weather records and Palmer Drought Severity Index values showed that the intensity, duration and pattern of each drought event were structurally unique. Grazing intensity was the primary driver of perennial grass species composition and community structure both during and between each drought event. -
Grass Genera in Townsville
Grass Genera in Townsville Nanette B. Hooker Photographs by Chris Gardiner SCHOOL OF MARINE and TROPICAL BIOLOGY JAMES COOK UNIVERSITY TOWNSVILLE QUEENSLAND James Cook University 2012 GRASSES OF THE TOWNSVILLE AREA Welcome to the grasses of the Townsville area. The genera covered in this treatment are those found in the lowland areas around Townsville as far north as Bluewater, south to Alligator Creek and west to the base of Hervey’s Range. Most of these genera will also be found in neighbouring areas although some genera not included may occur in specific habitats. The aim of this book is to provide a description of the grass genera as well as a list of species. The grasses belong to a very widespread and large family called the Poaceae. The original family name Gramineae is used in some publications, in Australia the preferred family name is Poaceae. It is one of the largest flowering plant families of the world, comprising more than 700 genera, and more than 10,000 species. In Australia there are over 1300 species including non-native grasses. In the Townsville area there are more than 220 grass species. The grasses have highly modified flowers arranged in a variety of ways. Because they are highly modified and specialized, there are also many new terms used to describe the various features. Hence there is a lot of terminology that chiefly applies to grasses, but some terms are used also in the sedge family. The basic unit of the grass inflorescence (The flowering part) is the spikelet. The spikelet consists of 1-2 basal glumes (bracts at the base) that subtend 1-many florets or flowers. -
Riparian Habitat Mitigation Standards and Implementation Guidelines
Town of Sahuarita Riparian Habitat Mitigation Standards and Implementation Guidelines A supplement to Title 18, STC 18.65 of the Town of Sahuarita Zoning Code titled “Riparian Habitat Protection and Mitigation Requirements” Section One: The Ordinance 2 Overview of the Riparian Habitat Protection Ordinance Options for Treatment of Regulated Habitat In Lieu Fee Option 8 Modified Development Standards 10 Riparian Habitat Mitigation Plan Approval Section Two: Riparian Classifications, Descriptions, 12 Mitigation & Monitoring Requirements Characteristic of Habitat Onsite Mitigation Requirements Mitigation Requirements 15 Hydroriparian, Mesoriparian & Xeroriparian Mitigation Standards 17 Section Three: Components of a Mitigation Plan Submittal 20 Mitigation Plan Components Mitigation Planting Plan 23 Elements of a Monitoring Report 25 Section Four: Frequently Asked Questions 27 Appendix A: Mitigation Plan Submittal Checklists 29 Appendix B: Approved Plant List 42 Appendix C: Installation & Maintenance Requirements 56 Appendix D: Water Harvesting Guidelines 64 Appendix E: List of Noxious & Invasive Plant Species 66 & Best Management Practices Appendix F: Field Mapping & Onsite Vegetation Survey 73 Appendix G: Glossary of Terms 75 Appendix H: Standard Operating Procedure (RECON) 78 This document was prepared with permission from Pima County Regional Flood Control District and Novak Environmental, Inc. It contains reformatting and minor rewording of a document prepared by McGann and Associates, Inc. under contract to Pima County Flood Control District in July, 1994. The format is copyrighted by Novak Environmental, Inc. 2001 1 September 24, 2012 Section One: The Ordinance What is the history of this Ordinance? On April 24, 2006, the Town of Sahuarita Town Council adopted the Town of Sahuarita Floodplain and Erosion Hazard Management Code. -
Vascular Plant and Vertebrate Inventory of Montezuma Castle National Monument Vascular Plant and Vertebrate Inventory of Montezuma Castle National Monument
Schmidt, Drost, Halvorson In Cooperation with the University of Arizona, School of Natural Resources Vascular Plant and Vertebrate Inventory of Montezuma Castle National Monument Vascular Plant and Vertebrate Inventory of Montezuma Castle National Monument Plant and Vertebrate Vascular U.S. Geological Survey Southwest Biological Science Center 2255 N. Gemini Drive Flagstaff, AZ 86001 Open-File Report 2006-1163 Southwest Biological Science Center Open-File Report 2006-1163 November 2006 U.S. Department of the Interior U.S. Geological Survey National Park Service In cooperation with the University of Arizona, School of Natural Resources Vascular Plant and Vertebrate Inventory of Montezuma Castle National Monument By Cecilia A. Schmidt, Charles A. Drost, and William L. Halvorson Open-File Report 2006-1163 November, 2006 USGS Southwest Biological Science Center Sonoran Desert Research Station University of Arizona U.S. Department of the Interior School of Natural Resources U.S. Geological Survey 125 Biological Sciences East National Park Service Tucson, Arizona 85721 U.S. Department of the Interior Dirk Kempthorne, Secretary U.S. Geological Survey Mark Myers, Director U.S. Geological Survey, Reston, Virginia: 2006 Note: This document contains information of a preliminary nature and was prepared primarily for internal use in the U.S. Geological Survey. This information is NOT intended for use in open literature prior to publication by the investigators named unless permission is obtained in writing from the investigators named and from the Station Leader. Suggested Citation Schmidt, C. A., C. A. Drost, and W. L. Halvorson 2006. Vascular Plant and Vertebrate Inventory of Montezuma Castle National Monument. USGS Open-File Report 2006-1163. -
Santa Rita Experimental Range: 100 Years (1903 to 2003) of Accomplishments and Contributions; Conference Proceedings; 2003 October 30–November 1; Tucson, AZ
Michael A. Crimmins Theresa M. Mau-Crimmins Climate Variability and Plant Response at the Santa Rita Experimental Range, Arizona Abstract: Climatic variability is reflected in differential establishment, persistence, and spread of plant species. Although studies have investigated these relationships for some species and functional groups, few have attempted to characterize the specific sequences of climatic conditions at various temporal scales (subseasonal, seasonal, and interannual) associated with proliferation of particular species. Research has primarily focused on the climate conditions concurrent with or occurring just prior to a vegetation response. However, the cumulative effect of antecedent conditions taking place for several consecutive seasons may have a greater influence on plant growth. In this study, we tested whether the changes in overall cover of plant species can be explained by antecedent climate conditions. Temperature, precipitation, and Palmer Drought Severity Index (PDSI) values at various lags were correlated with cover. PDSI had the strongest correlations for several drought-intolerant species at lags up to six seasons prior to the sampling date. Precipita- tion, surprisingly, did not correlate with species cover as strongly as PDSI. This is attributed to PDSI capturing soil moisture conditions, which are important to plant growth, better than raw precipi- tation measurements. Temperature correlations were weak and possessed little explanatory power as predictors of species cover. Acknowledgments: Data sets were provided by the Santa Rita Experimental Range Digital Database. Funding for the digitization of these data was provided by the USDA Forest Service Rocky Mountain Research Station and the University of Arizona. Introduction ______________________________________________________ Climatic variability is reflected in differential establishment, persistence, and spread of plant species. -
Ajo Peak to Tinajas Altas: a Flora of Southwestern Arizona
Felger, R.S., S. Rutman, and J. Malusa. 2014. Ajo Peak to Tinajas Altas: A flora of southwestern Arizona. Part 6. Poaceae – grass family. Phytoneuron 2014-35: 1–139. Published 17 March 2014. ISSN 2153 733X AJO PEAK TO TINAJAS ALTAS: A FLORA OF SOUTHWESTERN ARIZONA Part 6. POACEAE – GRASS FAMILY RICHARD STEPHEN FELGER Herbarium, University of Arizona Tucson, Arizona 85721 & Sky Island Alliance P.O. Box 41165, Tucson, Arizona 85717 *Author for correspondence: [email protected] SUSAN RUTMAN 90 West 10th Street Ajo, Arizona 85321 JIM MALUSA School of Natural Resources and the Environment University of Arizona Tucson, Arizona 85721 [email protected] ABSTRACT A floristic account is provided for the grass family as part of the vascular plant flora of the contiguous protected areas of Organ Pipe Cactus National Monument, Cabeza Prieta National Wildlife Refuge, and the Tinajas Altas Region in southwestern Arizona. This is the second largest family in the flora area after Asteraceae. A total of 97 taxa in 46 genera of grasses are included in this publication, which includes ones established and reproducing in the modern flora (86 taxa in 43 genera), some occurring at the margins of the flora area or no long known from the area, and ice age fossils. At least 28 taxa are known by fossils recovered from packrat middens, five of which have not been found in the modern flora: little barley ( Hordeum pusillum ), cliff muhly ( Muhlenbergia polycaulis ), Paspalum sp., mutton bluegrass ( Poa fendleriana ), and bulb panic grass ( Zuloagaea bulbosa ). Non-native grasses are represented by 27 species, or 28% of the modern grass flora. -
Plant Associations and Descriptions for American Memorial Park, Commonwealth of the Northern Mariana Islands, Saipan
National Park Service U.S. Department of the Interior Natural Resource Stewardship and Science Vegetation Inventory Project American Memorial Park Natural Resource Report NPS/PACN/NRR—2013/744 ON THE COVER Coastal shoreline at American Memorial Park Photograph by: David Benitez Vegetation Inventory Project American Memorial Park Natural Resource Report NPS/PACN/NRR—2013/744 Dan Cogan1, Gwen Kittel2, Meagan Selvig3, Alison Ainsworth4, David Benitez5 1Cogan Technology, Inc. 21 Valley Road Galena, IL 61036 2NatureServe 2108 55th Street, Suite 220 Boulder, CO 80301 3Hawaii-Pacific Islands Cooperative Ecosystem Studies Unit (HPI-CESU) University of Hawaii at Hilo 200 W. Kawili St. Hilo, HI 96720 4National Park Service Pacific Island Network – Inventory and Monitoring PO Box 52 Hawaii National Park, HI 96718 5National Park Service Hawaii Volcanoes National Park – Resources Management PO Box 52 Hawaii National Park, HI 96718 December 2013 U.S. Department of the Interior National Park Service Natural Resource Stewardship and Science Fort Collins, Colorado The National Park Service, Natural Resource Stewardship and Science office in Fort Collins, Colorado, publishes a range of reports that address natural resource topics. These reports are 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 information is scientifically credible, technically accurate, appropriately written for the intended audience, and designed and published in a professional manner. -
December 2012 Number 1
Calochortiana December 2012 Number 1 December 2012 Number 1 CONTENTS Proceedings of the Fifth South- western Rare and Endangered Plant Conference Calochortiana, a new publication of the Utah Native Plant Society . 3 The Fifth Southwestern Rare and En- dangered Plant Conference, Salt Lake City, Utah, March 2009 . 3 Abstracts of presentations and posters not submitted for the proceedings . 4 Southwestern cienegas: Rare habitats for endangered wetland plants. Robert Sivinski . 17 A new look at ranking plant rarity for conservation purposes, with an em- phasis on the flora of the American Southwest. John R. Spence . 25 The contribution of Cedar Breaks Na- tional Monument to the conservation of vascular plant diversity in Utah. Walter Fertig and Douglas N. Rey- nolds . 35 Studying the seed bank dynamics of rare plants. Susan Meyer . 46 East meets west: Rare desert Alliums in Arizona. John L. Anderson . 56 Calochortus nuttallii (Sego lily), Spatial patterns of endemic plant spe- state flower of Utah. By Kaye cies of the Colorado Plateau. Crystal Thorne. Krause . 63 Continued on page 2 Copyright 2012 Utah Native Plant Society. All Rights Reserved. Utah Native Plant Society Utah Native Plant Society, PO Box 520041, Salt Lake Copyright 2012 Utah Native Plant Society. All Rights City, Utah, 84152-0041. www.unps.org Reserved. Calochortiana is a publication of the Utah Native Plant Society, a 501(c)(3) not-for-profit organi- Editor: Walter Fertig ([email protected]), zation dedicated to conserving and promoting steward- Editorial Committee: Walter Fertig, Mindy Wheeler, ship of our native plants. Leila Shultz, and Susan Meyer CONTENTS, continued Biogeography of rare plants of the Ash Meadows National Wildlife Refuge, Nevada. -
A New Species of Bothriochloa (Poaceae, Andropogoneae) Endemic to Montane Grasslands of Santa Catarina, Brazil
Phytotaxa 183 (1): 044–050 ISSN 1179-3155 (print edition) www.mapress.com/phytotaxa/ PHYTOTAXA Copyright © 2014 Magnolia Press Article ISSN 1179-3163 (online edition) http://dx.doi.org/10.11646/phytotaxa.183.1.5 A new species of Bothriochloa (Poaceae, Andropogoneae) endemic to montane grasslands of Santa Catarina, Brazil 1 1 EMILAINE BIAVA DALMOLIM & ANA ZANIN 1 Programa de Pós-Graduação em Biologia de Fungos, Algas e Plantas, Departamento de Botânica, Universidade Federal de Santa Catarina, Campus Trindade, 88040-900, Florianópolis, Santa Catarina, Brazil. Email: [email protected] Abstract Bothriochloa catharinensis, a new species of Andropogoneae (Poaceae: Panicoideae, Andropogoneae) endemic to mon- tane grasslands associated with araucaria forest in the state of Santa Catarina, Southern Brazil, is described and illustrated. Morphological similarities between the new taxon and other species of Bothriochloa are discussed. Comments on habitat, morphology, distribution and conservation status are provided. Key words: araucaria forest, grasses, Panicoideae, SEM, taxonomy Resumo Bothriochloa catharinensis, uma nova espécie de Poaceae considerada endêmica de campos de altitude associados à Floresta Ombró- fila Mista (floresta com araucária) do Estado de Santa Catarina, Sul do Brasil, é aqui descrita e ilustrada. Similaridades morfológicas entre a nova espécie e outros táxons de Bothriochloa são discutidas. São fornecidos dados sobre hábitat, morfologia, distribuição e estado de conservação. Palavras chave: Floresta Ombrófila Mista, gramíneas, MEV, Panicoideae, taxonomia Introduction Bothriochloa Kuntze (1891: 762) comprises about 40 species distributed largely in warm-temperate areas of the world (Scrivanti et al. 2009). In the Americas, the genus is represented by about 27 species widely distributed in tropical, temperate and subtropical regions; four of these have been cultivated and naturalized (Vega 2000, Vega & Scrivanti 2012). -
Technical Notes
United State Department of Agriculture Natural Resource Conservation Service Year 2007 Issued June 2008 Proroggress Report of Activities Los Lunas Plant Materials Center 1036 Miller St. SW, Los Lunas, NM 87031 Tel: 505-865-4684 FAX: 505-865-5163 Web Site: http://www.nm.nrcs.usda.gov/programs/pmc.html Who We Are What We Do It is our mission to develop, test and transfer effective, state- The Los Lunas Plant Materials Center is one of 28 Plant of-the-art plant science technology to meet customer and Materials Centers operated by the USDA Natural Resources resource needs. The LLPMC targets these major land Conservation Service (NRCS). Areas served by the LLPMC resource areas (ecozones): include New Mexico, Northeast Arizona, Southeast Colorado, West Texas, and Southeast Utah. The LLPMC is • New Mexico and Arizona mountains located twenty-five miles south of Albuquerque in Los • San Juan River Valley plateaus and mesas Lunas, New Mexico. It is operated in conjunction with New • Southern desert basin, plains and mountains Mexico State University’s Agricultural Science Center. The • Southern Rocky Mountains facility is located in the Middle Rio Grande Valley and • High intermountain valleys includes 200+ acres of irrigated land. • Pecos–Canadian plains and valleys The LLPMC emphasizes using native plant materials to solve conservation problems. Environmental conditions including low precipitation, high intensity rainfall, wind, topography, and varied land uses combine to produce a variety of problems needing plant material solutions. The LLPMC collects native species for testing, selecting, and distribution to commercial growers along with the development of seed and plant production technology. -
Responses of Plant Communities to Grazing in the Southwestern United States Department of Agriculture United States Forest Service
Responses of Plant Communities to Grazing in the Southwestern United States Department of Agriculture United States Forest Service Rocky Mountain Research Station Daniel G. Milchunas General Technical Report RMRS-GTR-169 April 2006 Milchunas, Daniel G. 2006. Responses of plant communities to grazing in the southwestern United States. Gen. Tech. Rep. RMRS-GTR-169. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 126 p. Abstract Grazing by wild and domestic mammals can have small to large effects on plant communities, depend- ing on characteristics of the particular community and of the type and intensity of grazing. The broad objective of this report was to extensively review literature on the effects of grazing on 25 plant commu- nities of the southwestern U.S. in terms of plant species composition, aboveground primary productiv- ity, and root and soil attributes. Livestock grazing management and grazing systems are assessed, as are effects of small and large native mammals and feral species, when data are available. Emphasis is placed on the evolutionary history of grazing and productivity of the particular communities as deter- minants of response. After reviewing available studies for each community type, we compare changes in species composition with grazing among community types. Comparisons are also made between southwestern communities with a relatively short history of grazing and communities of the adjacent Great Plains with a long evolutionary history of grazing. Evidence for grazing as a factor in shifts from grasslands to shrublands is considered. An appendix outlines a new community classification system, which is followed in describing grazing impacts in prior sections. -
3 Invasive Species in the Sonoran Desert Region
3 Invasive Species in the Sonoran Desert Region 11 INVASIVE SPECIES IN THE SONORAN DESERT REGION Invasive species are altering the ecosystems of the Sonoran Desert Region. Native plants have been displaced resulting in radically different habitats and food for wildlife. Species like red brome and buffelgrass have become dense enough in many areas to carry fire in the late spring and early summer. Sonoran Desert plants such as saguaros, palo verdes and many others are not fire- adapted and do not survive these fires. The number of non-native species tends to be lowest in natural areas of the Sonoran Desert and highest in the most disturbed and degraded habitats. However, species that are unusually aggressive and well adapted do invade natural areas. In the mid 1900’s, there were approximately 146 non-native plant species (5.7% of the total flora) in the Sonoran Desert. Now non-natives comprise nearly 10% of the Sonoran Desert flora overall. In highly disturbed areas, the majority of species are frequently non-native invasives. These numbers continue to increase. It is crucial that we monitor, control, and eradicate invasive species that are already here. We must also consider the various vectors of dispersal for invasive species that have not yet arrived in Arizona, but are likely to be here in the near future. Early detection and reporting is vital to prevent the spread of existing invasives and keep other invasives from arriving and establishing. This is the premise of the INVADERS of the Sonoran Desert Region program at the Arizona-Sonora Desert Museum.