Download or read book Introduction and Spread of Bromus Tectorum cheatgrass Into Midwestern United States written by Temsha D. Huttanus and published by . This book was released on 2009 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Encyclopedia of Biological Invasions written by Daniel Simberloff and published by Univ of California Press. This book was released on 2011-01-02 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Addresses all aspects of this subject at a global level--including invasions by animals, plants, fungi, and bacteria--in succinct, alphabetically arranged articles. Featuring many cross-references, suggestions for further reading, illustrations, an appendix of the world's worst 100 invasive species, a glossary, and more..." -- From the publisher.
Download or read book Genetic Variation in Bromus Tectorum L in the U S Southwest and California written by Angela Rose Pawlak and published by . This book was released on 2011 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Invasion and Potential Expansion of Cheatgrass Bromus Tectorum in Rocky Mountain National Park written by Elizabeth Rose Banks and published by . This book was released on 2010 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cheatgrass (Bromus tectorum L.), a winter-annual grass native to Eurasia, is one of the most widely distributed and damaging invasive annual grasses in North America. I studied the spatial distribution of cheatgrass in Rocky Mountain National Park, Colorado, examining possible dispersal and disturbance mechanisms and inherently susceptible environmental characteristics that may facilitate the spread of cheatgrass in the park. I distinguished facilitating factors related to land uses and natural processes, and assessed potential risk of invasion into the park's imperiled vegetation. I mapped (with GPS) cheatgrass patches along randomly selected transects along roads, trails, in natural vegetation, and around developments, and for each patch, recorded (1) patch size, (2) percent cover of cheatgrass, (3) characteristics of microenvironments, and (4) amount of cheatgrass within microenvironments. Using GIS, I calculated three measures of abundance of cheatgrass in each transect segment: (1) mean percent cover, (2) density, and (3) mean patch size, and used MANOVA to assess the effect of facilitating factors. I found that cheatgrass is concentrated on the east side of the park, with roads and developments having the highest abundance. In addition, while human-caused disturbances are primary sources of cheatgrass invasion, it is spreading into areas of natural vegetation, possibly due to dispersal agents and/or naturally susceptible vegetation, fire, and microenvironments. Based on my results, I suggest possible ways to frame strategic direction for management and control, such as focusing on areas where there is most potential to prevent further invasion, doing pre- and post-disturbance treatment where disturbances are planned, and planting invasion-resistant vegetation in areas of disturbance.
Download or read book Cheatgrass written by Sally Zanjani and published by . This book was released on 2022-10-25 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cheatgrass is the first comprehensive study of this highly invasive plant that has changed the ecology of millions of acres of western rangeland.
Download or read book Cheatgrass Bromus Tectorum written by Marie L. Gould and published by . This book was released on 1951 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Genetic Variation in Bromus Tectorum L Poaceae in the Eastern Mediterranean Region written by Heather Lynn Lindon and published by . This book was released on 2007 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Harmful Non indigenous Species in the United States written by and published by Congress. This book was released on 1993 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Non-indigenous species (NIS) are common in the United States landscape. While some are beneficial, others are harmful and can cause significant economic, environmental, and health damage. This study, requested by the U.S. House Merchant Marine and Fisheries Committee, examined State and Federal policies related to these harmful NIS. The report is presented in 10 chapters. Chapter 1 identifies the issues and options related to the topic and a summary of the findings from the individual chapters that follow. Chapters 2 "The Consequences of NIS" and 3 "The Changing Numbers, Causes, and Rates of Introductions" examine basic aspects of NIS, their effects, how many there are, and how they get here. Technologies to deal with harmful NIS, including decision-making methods and techniques for preventing and managing problem species, are covered in chapters 4 "The Application of Decisionmaking Methods" and 5 "Technologies for Preventing and Managing Problems." Chapters 6, "A Primer on Federal Policy," 7 "State and Local Approaches from a National Perspective," and 8 "Two Case Studies: Non-Indigenous Species in Hawaii and Florida" assess what various institutions at the Federal, State, and local levels do, or fail to do, about NIS. Chapters 9 and 10 place NIS in a broader context by examining their relationships to genetically engineered organisms, to international law to other prominent environmental issues, and to choices regarding the future of the nation's biological resources. Appendixes include: lists of boxes, figures, and tables in the document; list of authors, workshop participants, reviewers, and survey respondents for the study; and list of references by chapter. Additional sections contain an index to common and scientific names of species, and a general index. (MDH)
Download or read book Seeds of Restoration Success written by Sara F. Oldfield and published by Springer Nature. This book was released on 2019-09-25 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a general overview of the natural landscapes and vegetation types of the U.S., the key plant species that help define them, the pressures faced by natural ecosystems and the imperative for conservation and restoration. It addresses the policies that have been introduced to manage healthy ecosystems and the practical progress that is being made in restoration. A particular focus is on the production of diverse native plant materials currently required by the National Seed Strategy. Case studies demonstrate how native plant materials are essential to support the conservation of healthy ecosystems with their biodiversity and functions as well as supporting a productive and sustainable agricultural sector and healthy ecosystems for all. The authors are closely connected with major national and international networks of botanic gardens, ecologists and conservation scientists at Board level and through other professional links. Condensing a wide range of current information into a concise format, this book fills a need by experts and informed amateurs interested in the natural environment, including gardeners, botanic garden and protected area visitors, government agencies, the private sector native seed industry, and NGOs.
Download or read book Obligate Rust Fungi as a Biological Control for Invasive Cheatgrass in North America written by Adrianne E. Navarrette and published by . This book was released on 2019 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the Intermountain West of the United States, cheatgrass (Bromus tectorum L.) is a widespread invader. Its relative abundance is highest among all plants in many areas of the region. As a winter annual, it dries after seed set in late spring to become a fine, easily ignited fuel that sparks destructive fires. Many possible control measures for cheatgrass have been researched, but classical biological control with rust fungi has never been attempted; it would entail the deliberate introduction from the native range of obligate, and narrowly host-specific parasites in the genus Puccinia. For it to be worth attempting, cheatgrass would have to be in a state of release from rust pathogens in its invaded range in western North America, and rust in the native, Eurasian range would have to be virulent and aggressive on western North American genotypes of cheatgrass.The first chapter details the history of cheatgrass invasion in North America and the consequences to local ecosystems. A records review also shows, at least superficially, that USDA records of fungi on plants do not show release: records of rust fungi are as common on B. tectorum in western North America as they are in its Eurasian native range. However, in surveys in northern Idaho from 1999 to 2018 inclusive, rust was found on cheatgrass only in 2017, and then only minimally in terms of incidence and severity. Surveys in New Mexico in three years (2015, 2018, 2019) revealed no rust. Our surveys contradicted the records-based view and portray cheatgrass populations to be in a state of release. Secondly, Idaho and Montana genotypes of cheatgrass developed severe rust in Israel. A study to determine the host specificity of P. madritensis to the Genea section of the genus Bromus is discussed. These studies will aim to indicate if native-range rust fungi should be considered for deliberate introduction into the invaded range of cheatgrass.
Download or read book Biogeography written by C. Barry Cox and published by John Wiley & Sons. This book was released on 2020-01-07 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: Through nine successful editions, and for over 45 years, Biogeography: An Ecological and Evolutionary Approach has provided a thorough and comprehensive exploration of the varied scientific disciplines and research that are essential to understanding the subject. The text, noted for its clear and engaging style of writing, has been praised for its solid background in historical biogeography and basic biology, that is enhanced and illuminated by discussions of current research. This new edition incorporates the exciting changes of the recent years and presents a thoughtful exploration of the research and controversies that have transformed our understanding of the biogeography of the world. New themes and topics in this tenth edition include: Next generation genetic technologies and their use in historical biogeography, phylogeography and population genomics Biogeographical databases and biodiversity information systems, which are becoming increasingly important for biogeographical research An introduction to functional biogeography and its applications to community assembly, diversity gradients and the analysis of ecosystem functioning Updated case studies focusing on island biogeography, using the latest phylogenetic studies Biogeography: An Ecological and Evolutionary Approach reveals how the patterns of life that we see today have been created by the two great Engines of the Planet: the Geological Engine, plate tectonics, which alters the conditions of life on the planet, and the Biological Engine, evolution, which responds to these changes by creating new forms and patterns of life.
Download or read book Cheatgrass bromus Tectorum Native Grasses and Small Mammals in the Great Basin written by Jacob E. Lucero and published by . This book was released on 2012 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effect of shared enemies between invasive and native species has been argued to faciliate biological invasions (i.e., the apparent competition hypothesis or ACH). This study investigated a previously untested possibility: whether granivorous small mammals facilitate cheatgrass (Bromus tectorum) invasion by driving food-mediated apparent competition between cheatgrass and native grasses. Specifically, we tested three predictions that must be true if such apparent competition occurs. First, cheatgrass invasion augments total seeds available to granivorous small mammals. Second, density of granivorous small mammals increases in response to increased seed availability (simulated with experimental additions of cheatgrass seeds). Third, granivorous small mammals prefer seeds from native grasses over cheatgrass seeds. We tested these predictions in the Great Basin Desert of Utah, USA. Cheatgrass invasion augmented total yearly seed production. Granivorous small mammals preferred native seeds over cheatgrass seeds. However, neither abundance, richness, nor diversity of granivorous small mammals increased in response to experimental additions of cheatgrass seed. We therefore conclude that granivorous small mammals did not drive food-mediated apparent competition during the study period. The lack of support for the ACH in this study may suggest that the role of small mammal-driven apparent competition is either unimportant in the Great Basin, or that the appropriate indirect interactions between small mammals, cheatgrass, and native grasses have yet to be evaluated. Testing the third prediction required the separation of seeds from the soil matrix. We employed a chemical flotation methodology to recover target seeds from soil, and developed a novel method of decanting target material from the flotation solution. We compared the utility of the novel method to that of a traditional decantation method. Specifically, we compared effectiveness (the proportion of seeds recovered from a known sample), rapidity (the time required to decant that sample), efficiency (the number of seeds decanted per second), and recovery bias (the effect of relative density on seed recovery) between methods. Our proposed method was more effective, more rapid, more efficient, and less biased than the traditional method. Therefore, any future work relying on flotation to analyze seed banks should clearly describe how samples are decanted and should consider the proposed method as a potential means of enhancing the efficiency of chemical flotation.
Download or read book Comparative Ecological Genetics of Bromus Tectorum cheatgrass Downy Brome from Native European Naturalized New Zealand and Invasive North American Populations written by Cecilia Lynn Kinter and published by . This book was released on 2003 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cheatgrass written by Martin Joseph Zimmerman and published by . This book was released on 1963 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Conservation Biology written by Fred Van Dyke and published by Springer Nature. This book was released on 2020-07-07 with total page 635 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a thorough, up-to-date examination of conservation biology and the many supporting disciplines that comprise conservation science. In this, the Third Edition of the highly successful Conservation Biology: Foundations, Concepts, Applications, the authors address their interdisciplinary topic as it must now be practiced and perceived in the modern world. Beginning with a concise review of the history of conservation, the authors go on to explore the interplay of conservation with genetics, demography, habitat and landscape, aquatic environments, and ecosystem management, and the relationship of all these disciplines to ethics, economics, law, and policy. An entirely new chapter, The Anthropocene: Conservation in a Human-Dominated Nature, breaks new ground in its exploration of how conservation can be practiced in anthropogenic biomes, novel ecosystems, and urban habitats. The Third Edition includes the popular Points of Engagement discussion questions used in earlier editions, and adds a new feature: Information Boxes, which briefly recap specific case histories described in the text. A concluding chapter offers insight into how to become a conservation professional, in both traditional and non-traditional roles. The authors, Fred Van Dyke and Rachel Lamb, draw on their expertise as field biologists, wildlife managers, consultants to government and industry, and scholars of environmental law, policy, and advocacy, as well as their many years of effective teaching experience. Informed by practical knowledge and acquired skills, the authors have created a work of exceptional clarity and readability which encompasses both systemic foundations as well as contemporary developments in the field. Conservation Biology: Foundations, Concepts, Applications will be of invaluable benefit to undergraduate and graduate students, as well as to working conservation scientists and managers. This is an amazing resource for students, faculty, and practitioners both new and experienced to the field. Diane Debinski, PhD Unexcelled wisdom for living at home on Wonderland Earth, the planet with promise, destined for abundant life. Holmes Rolston, PhD Van Dyke and Lamb have maintained the original text’s emphasis on connecting classical ecological and environmental work with updated modern applications and lucid examples. But more importantly, the third edition contains much new material on the human side of conservation, including expanded treatments of policy, economics, and climate change. Tim Van Deelen, PhD Fred Van Dyke and Rachel Lamb break new ground in both the breadth and depth of their review and analysis of this crucially important and rapidly changing field. Any student or other reader wishing to have a comprehensive overview and understanding of the complexities of conservation biology need look no further – this book is your starting point! Simon N. Stuart, PhD Anyone who teaches, talks or writes and works on Conservation Biology, needs this latest edition of Conservation Biology (Foundations, Concepts, Applications, 3rd edition) by Fred Van Dyke and Rachel L. Lamb. This will be useful to both beginners and experts as well. The authors included almost all important issues in relation to conservation biology. This is really an outstanding book. Bidhan Chandra Das, Professor, Ecology Branch, Department of Zoology, University of Rajshahi, Bangladesh
Download or read book Halting the Invasion written by Environmental Law Institute and published by Environmental Law Institute. This book was released on 2002 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cheatgrass native Plant Community Interactions in an Invaded Southwestern Forest written by Christopher M. McGlone and published by . This book was released on 2010 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:
