The Effects Of El Nino And Exotic Plant Invasion On The Two Way Interactions Between Small Mammals And Plants In A Southern California Coastal Sage Scrub Food Web

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The Effects of El Niño and Exotic Plant Invasion on the Two-way Interactions Between Small Mammals and Plants in a Southern California Coastal Sage Scrub Food Web

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Author : Jessica Dawn Braswell
Publisher :
ISBN 13 :
Total Pages : 222 pages
Book Rating : 4.:/5 (78 download)

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Book Synopsis The Effects of El Niño and Exotic Plant Invasion on the Two-way Interactions Between Small Mammals and Plants in a Southern California Coastal Sage Scrub Food Web by : Jessica Dawn Braswell

Download or read book The Effects of El Niño and Exotic Plant Invasion on the Two-way Interactions Between Small Mammals and Plants in a Southern California Coastal Sage Scrub Food Web written by Jessica Dawn Braswell and published by . This book was released on 2007 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Small mammals are among the many taxa in the diverse southern Californian coastal sage scrub and chaparral ecosystems that are threatened by the exotic plant invasions, habitat destruction and fragmentation that have accompanied continued urbanization. Many small mammals not only rely on coastal sage scrub vegetation for shelter but also eat shrub seeds, and therefore depend upon their habitat while also having the ability to shape it. The studies presented here examine the effects of an El Niño-associated heavy rainfall event and invasion by exotic grasses on the small mammal community as well as the role of small mammals in mediating competition between native and exotic plants via selective seed predation. A 4 yr study that included the 1997-1998 El Niño (ENSO) rainfall event investigated changes in density and spatial distribution for 11 rodent species. In the period during and immediately after ENSO, 7 species increased in density and showed range expansions into previously unoccupied areas. The endangered kangaroo rat Dipodomys stephensi declined in abundance and spatial distribution during ENSO. A principle components analysis qualitatively showed changes in small mammal community composition that resulted from differences in relative abundance due to differing magnitudes of species' responses to high precipitation. Most species returned to pre-ENSO population densities and range sizes within 2 yr after El Niño. In addition to the transitory responses to the additional resources available after periods of high precipitation, small mammals also responded to longer-term, perhaps permanent, habitat changes resulting from disturbance-facilitated exotic grass invasions. At higher levels of invasion, abundance of shrub-associated small mammals declined while grass-associated species increased, and overall density of all small mammal species declined. Although no species exhibited a threshold response to invasion, invaded areas supported a depauperate mammal community largely composed of generalist species. Finally, a seed predation study found that rodents preferentially consumed seeds of exotic grasses and forbs over those of native shrubs and grasses. Total mass of seed removed and rates of seed tray visitation varied by season and small mammal density, but a preference for exotic seeds showed that small mammals might slow rates of exotic plant invasion

Dissertation Abstracts International

Author :
Publisher :
ISBN 13 :
Total Pages : 868 pages
Book Rating : 4.F/5 ( download)

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Download or read book Dissertation Abstracts International written by and published by . This book was released on 2008 with total page 868 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ecosystems of California

Author : Harold Mooney
Publisher : Univ of California Press
ISBN 13 : 0520278801
Total Pages : 1008 pages
Book Rating : 4.5/5 (22 download)

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Book Synopsis Ecosystems of California by : Harold Mooney

Download or read book Ecosystems of California written by Harold Mooney and published by Univ of California Press. This book was released on 2016-01-19 with total page 1008 pages. Available in PDF, EPUB and Kindle. Book excerpt: This long-anticipated reference and sourcebook for CaliforniaÕs remarkable ecological abundance provides an integrated assessment of each major ecosystem typeÑits distribution, structure, function, and management. A comprehensive synthesis of our knowledge about this biologically diverse state, Ecosystems of California covers the state from oceans to mountaintops using multiple lenses: past and present, flora and fauna, aquatic and terrestrial, natural and managed. Each chapter evaluates natural processes for a specific ecosystem, describes drivers of change, and discusses how that ecosystem may be altered in the future. This book also explores the drivers of CaliforniaÕs ecological patterns and the history of the stateÕs various ecosystems, outlining how the challenges of climate change and invasive species and opportunities for regulation and stewardship could potentially affect the stateÕs ecosystems. The text explicitly incorporates both human impacts and conservation and restoration efforts and shows how ecosystems support human well-being. Edited by two esteemed ecosystem ecologists and with overviews by leading experts on each ecosystem, this definitive work will be indispensable for natural resource management and conservation professionals as well as for undergraduate or graduate students of CaliforniaÕs environment and curious naturalists.

Kumeyaay Ethnobotany

Author : Michael Wilken-Robertson
Publisher : Sunbelt Publications
ISBN 13 : 9781941384305
Total Pages : 0 pages
Book Rating : 4.3/5 (843 download)

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Book Synopsis Kumeyaay Ethnobotany by : Michael Wilken-Robertson

Download or read book Kumeyaay Ethnobotany written by Michael Wilken-Robertson and published by Sunbelt Publications. This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: For thousands of years, the Kumeyaay people of northern Baja California and southern California made their homes in the diverse landscapes of the region, interacting with native plants and continuously refining their botanical knowledge. Today, many Kumeyaay Indians in the far-flung ranches of Baja California carry on the traditional knowledge and skills for transforming native plants into food, medicine, arts, tools, regalia, construction materials, and ceremonial items. Kumeyaay Ethnobotany explores the remarkable interdependence between native peoples and native plants of the Californias through in-depth descriptions of 47 native plants and their uses, lively narratives, and hundreds of vivid photographs. It connects the archaeological and historical record with living cultures and native plant specialists who share their ever-relevant wisdom for future generations. Book jacket.

Climate Intervention

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309314852
Total Pages : 270 pages
Book Rating : 4.3/5 (93 download)

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Book Synopsis Climate Intervention by : National Research Council

Download or read book Climate Intervention written by National Research Council and published by National Academies Press. This book was released on 2015-06-23 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: The growing problem of changing environmental conditions caused by climate destabilization is well recognized as one of the defining issues of our time. The root problem is greenhouse gas emissions, and the fundamental solution is curbing those emissions. Climate geoengineering has often been considered to be a "last-ditch" response to climate change, to be used only if climate change damage should produce extreme hardship. Although the likelihood of eventually needing to resort to these efforts grows with every year of inaction on emissions control, there is a lack of information on these ways of potentially intervening in the climate system. As one of a two-book report, this volume of Climate Intervention discusses albedo modification - changing the fraction of incoming solar radiation that reaches the surface. This approach would deliberately modify the energy budget of Earth to produce a cooling designed to compensate for some of the effects of warming associated with greenhouse gas increases. The prospect of large-scale albedo modification raises political and governance issues at national and global levels, as well as ethical concerns. Climate Intervention: Reflecting Sunlight to Cool Earth discusses some of the social, political, and legal issues surrounding these proposed techniques. It is far easier to modify Earth's albedo than to determine whether it should be done or what the consequences might be of such an action. One serious concern is that such an action could be unilaterally undertaken by a small nation or smaller entity for its own benefit without international sanction and regardless of international consequences. Transparency in discussing this subject is critical. In the spirit of that transparency, Climate Intervention: Reflecting Sunlight to Cool Earth was based on peer-reviewed literature and the judgments of the authoring committee; no new research was done as part of this study and all data and information used are from entirely open sources. By helping to bring light to this topic area, this book will help leaders to be far more knowledgeable about the consequences of albedo modification approaches before they face a decision whether or not to use them.

Conservation Biology for All

Author : Navjot S. Sodhi
Publisher : OUP Oxford
ISBN 13 : 0191574252
Total Pages : 368 pages
Book Rating : 4.1/5 (915 download)

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Book Synopsis Conservation Biology for All by : Navjot S. Sodhi

Download or read book Conservation Biology for All written by Navjot S. Sodhi and published by OUP Oxford. This book was released on 2010-01-08 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conservation Biology for All provides cutting-edge but basic conservation science to a global readership. A series of authoritative chapters have been written by the top names in conservation biology with the principal aim of disseminating cutting-edge conservation knowledge as widely as possible. Important topics such as balancing conversion and human needs, climate change, conservation planning, designing and analyzing conservation research, ecosystem services, endangered species management, extinctions, fire, habitat loss, and invasive species are covered. Numerous textboxes describing additional relevant material or case studies are also included. The global biodiversity crisis is now unstoppable; what can be saved in the developing world will require an educated constituency in both the developing and developed world. Habitat loss is particularly acute in developing countries, which is of special concern because it tends to be these locations where the greatest species diversity and richest centres of endemism are to be found. Sadly, developing world conservation scientists have found it difficult to access an authoritative textbook, which is particularly ironic since it is these countries where the potential benefits of knowledge application are greatest. There is now an urgent need to educate the next generation of scientists in developing countries, so that they are in a better position to protect their natural resources.

The Potential Effects of Global Climate Change on the United States

Author :
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.3/5 (5 download)

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Download or read book The Potential Effects of Global Climate Change on the United States written by and published by . This book was released on 1989 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:

California Grasslands

Author : Mark R. Stromberg
Publisher : Univ of California Press
ISBN 13 : 9780520252202
Total Pages : 416 pages
Book Rating : 4.2/5 (522 download)

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Book Synopsis California Grasslands by : Mark R. Stromberg

Download or read book California Grasslands written by Mark R. Stromberg and published by Univ of California Press. This book was released on 2007-12-03 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This highly synthetic and scholarly work brings together new and important scientific contributions by leading experts on a rich diversity of topics concerning the history, ecology, and conservation of California's endangered grasslands. The editors and authors have succeeded admirably in drawing from a great wealth of recent research to produce a widely accessible and compelling, state-of-the-art treatment of this fascinating subject. Anyone interested in Californian biodiversity or grassland ecosystems in general will find this book to be an invaluable resource and a major inspiration for further research, management, and restoration efforts."—Bruce G. Baldwin, W. L. Jepson Professor and Curator, UC Berkeley "Grasses and grasslands are among the most important elements of the California landscape. This is their book, embodying the kind of integrated view needed for all ecological communities in California. Approaches ranging across an incredibly broad spectrum -- paleontology and human history; basic science and practical management techniques; systematics, community ecology, physiology, and genetics; physical factors such as water, soil nutrients, atmospherics, and fire; biological factors such as competition, symbiosis, and grazing -- are nicely tied together due to careful editorial work. This is an indispensable reference for everyone interested in the California environment."—Brent Mishler, Director of the University & Jepson Herbaria and Professor of Integrative Biology, UC Berkeley "The structure and function of California grasslands have intrigued ecologists for decades. The editors of this volume have assembled a comprehensive set of reviews by a group of outstanding authors on the natural history, structure, management, and restoration of this economically and ecologically important ecosystem."—Scott L. Collins, Professor of Biology, University of New Mexico

Biological Invasions

Author : Wolfgang Nentwig
Publisher : Springer Science & Business Media
ISBN 13 : 3540369201
Total Pages : 444 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Biological Invasions by : Wolfgang Nentwig

Download or read book Biological Invasions written by Wolfgang Nentwig and published by Springer Science & Business Media. This book was released on 2007-02-13 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new volume on Biological Invasions deals with both plants and animals, differing from previous books by extending from the level of individual species to an ecosystem and global level. Topics of highest societal relevance, such as the impact of genetically modified organisms, are interlinked with more conventional ecological aspects, including biodiversity. The combination of these approaches is new and makes compelling reading for researchers and environmentalists.

Principles of Terrestrial Ecosystem Ecology

Author : F Stuart Chapin III
Publisher : Springer Science & Business Media
ISBN 13 : 0387216634
Total Pages : 449 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Principles of Terrestrial Ecosystem Ecology by : F Stuart Chapin III

Download or read book Principles of Terrestrial Ecosystem Ecology written by F Stuart Chapin III and published by Springer Science & Business Media. This book was released on 2006-04-10 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: Features review questions at the end of each chapter; Includes suggestions for recommended reading; Provides a glossary of ecological terms; Has a wide audience as a textbook for advanced undergraduate students, graduate students and as a reference for practicing scientists from a wide array of disciplines

Scientific Investigations Report

Author : Sharon E. Kroening
Publisher :
ISBN 13 :
Total Pages : 122 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Scientific Investigations Report by : Sharon E. Kroening

Download or read book Scientific Investigations Report written by Sharon E. Kroening and published by . This book was released on 2004 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ecology

Author : Michael Begon
Publisher : John Wiley & Sons
ISBN 13 : 1119279313
Total Pages : 864 pages
Book Rating : 4.1/5 (192 download)

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Book Synopsis Ecology by : Michael Begon

Download or read book Ecology written by Michael Begon and published by John Wiley & Sons. This book was released on 2020-11-17 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt: A definitive guide to the depth and breadth of the ecological sciences, revised and updated The revised and updated fifth edition of Ecology: From Individuals to Ecosystems – now in full colour – offers students and practitioners a review of the ecological sciences. The previous editions of this book earned the authors the prestigious ‘Exceptional Life-time Achievement Award’ of the British Ecological Society – the aim for the fifth edition is not only to maintain standards but indeed to enhance its coverage of Ecology. In the first edition, 34 years ago, it seemed acceptable for ecologists to hold a comfortable, objective, not to say aloof position, from which the ecological communities around us were simply material for which we sought a scientific understanding. Now, we must accept the immediacy of the many environmental problems that threaten us and the responsibility of ecologists to play their full part in addressing these problems. This fifth edition addresses this challenge, with several chapters devoted entirely to applied topics, and examples of how ecological principles have been applied to problems facing us highlighted throughout the remaining nineteen chapters. Nonetheless, the authors remain wedded to the belief that environmental action can only ever be as sound as the ecological principles on which it is based. Hence, while trying harder than ever to help improve preparedness for addressing the environmental problems of the years ahead, the book remains, in its essence, an exposition of the science of ecology. This new edition incorporates the results from more than a thousand recent studies into a fully up-to-date text. Written for students of ecology, researchers and practitioners, the fifth edition of Ecology: From Individuals to Ecosystems is anessential reference to all aspects of ecology and addresses environmental problems of the future.

World Atlas of Desertification

Author : Michael Cherlet
Publisher :
ISBN 13 : 9789279753503
Total Pages : pages
Book Rating : 4.7/5 (535 download)

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Book Synopsis World Atlas of Desertification by : Michael Cherlet

Download or read book World Atlas of Desertification written by Michael Cherlet and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

In Our Own Hands

Author : Deborah B. Jensen
Publisher :
ISBN 13 : 9780520080157
Total Pages : 302 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis In Our Own Hands by : Deborah B. Jensen

Download or read book In Our Own Hands written by Deborah B. Jensen and published by . This book was released on 1993 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Biodiversity." As argument over environmental and conservation policy grows more heated in California and throughout the nation, the term has become a buzzword. But what does biodiversity really mean? What really threatens it? Why should we care? In Our Own Hands offers a readable, scientifically sound view of California's biological diversity and what must be done to preserve it. The book will be an invaluable resource for environmental and natural resource specialists, educators, and general readers. Local and global forces threaten California's wetlands, dunes, oak woodlands, and riparian forest habitats--all declining habitats in a rapidly urbanizing, culturally heterogeneous, and politically turbulent state. Always a bellwether, California will be a model for the rest of the United States in its scientific and political solutions to conservation problems. This book proposes the first steps toward a unified national conservation policy for the twenty-first century. "Biodiversity." As argument over environmental and conservation policy grows more heated in California and throughout the nation, the term has become a buzzword. But what does biodiversity really mean? What really threatens it? Why should we care? In Our Own Hands offers a readable, scientifically sound view of California's biological diversity and what must be done to preserve it. The book will be an invaluable resource for environmental and natural resource specialists, educators, and general readers. Local and global forces threaten California's wetlands, dunes, oak woodlands, and riparian forest habitats--all declining habitats in a rapidly urbanizing, culturally heterogeneous, and politically turbulent state. Always a bellwether, California will be a model for the rest of the United States in its scientific and political solutions to conservation problems. This book proposes the first steps toward a unified national conservation policy for the twenty-first century.

Ecology of Fragmented Landscapes

Author : Sharon K. Collinge
Publisher : JHU Press
ISBN 13 : 0801891388
Total Pages : 358 pages
Book Rating : 4.8/5 (18 download)

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Book Synopsis Ecology of Fragmented Landscapes by : Sharon K. Collinge

Download or read book Ecology of Fragmented Landscapes written by Sharon K. Collinge and published by JHU Press. This book was released on 2009-06 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ask airline passengers what they see as they gaze out the window, and they will describe a fragmented landscape: a patchwork of desert, woodlands, farmlands, and developed neighborhoods. Once-contiguous forests are now subdivided; tallgrass prairies that extended for thousands of miles are now crisscrossed by highways and byways. Whether the result of naturally occurring environmental changes or the product of seemingly unchecked human development, fractured lands significantly impact the planet’s biological diversity. In Ecology of Fragmented Landscapes, Sharon K. Collinge defines fragmentation, explains its various causes, and suggests ways that we can put our lands back together. Researchers have been studying the ecological effects of dismantling nature for decades. In this book, Collinge evaluates this body of research, expertly synthesizing all that is known about the ecology of fragmented landscapes. Expanding on the traditional coverage of this topic, Collinge also discusses disease ecology, restoration, conservation, and planning. Not since Richard T. T. Forman's classic Land Mosaics has there been a more comprehensive examination of landscape fragmentation. Ecology of Fragmented Landscapes is critical reading for ecologists, conservation biologists, and students alike.

Picloram Herbicide for Killing Chaparral Species

Author : Lisle R. Green
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Picloram Herbicide for Killing Chaparral Species by : Lisle R. Green

Download or read book Picloram Herbicide for Killing Chaparral Species written by Lisle R. Green and published by . This book was released on 1966 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Trophic Cascades

Author : John Terborgh
Publisher : Island Press
ISBN 13 : 1597268194
Total Pages : 487 pages
Book Rating : 4.5/5 (972 download)

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Book Synopsis Trophic Cascades by : John Terborgh

Download or read book Trophic Cascades written by John Terborgh and published by Island Press. This book was released on 2013-06-25 with total page 487 pages. Available in PDF, EPUB and Kindle. Book excerpt: Trophic cascades—the top-down regulation of ecosystems by predators—are an essential aspect of ecosystem function and well-being. Trophic cascades are often drastically disrupted by human interventions—for example, when wolves and cougars are removed, allowing deer and beaver to become destructive—yet have only recently begun to be considered in the development of conservation and management strategies. Trophic Cascades is the first comprehensive presentation of the science on this subject. It brings together some of the world’s leading scientists and researchers to explain the importance of large animals in regulating ecosystems, and to relate that scientific knowledge to practical conservation. Chapters examine trophic cascades across the world’s major biomes, including intertidal habitats, coastal oceans, lakes, nearshore ecosystems, open oceans, tropical forests, boreal and temperate ecosystems, low arctic scrubland, savannas, and islands. Additional chapters consider aboveground/belowground linkages, predation and ecosystem processes, consumer control by megafauna and fire, and alternative states in ecosystems. An introductory chapter offers a concise overview of trophic cascades, while concluding chapters consider theoretical perspectives and comparative issues. Trophic Cascades provides a scientific basis and justification for the idea that large predators and top-down forcing must be considered in conservation strategies, alongside factors such as habitat preservation and invasive species. It is a groundbreaking work for scientists and managers involved with biodiversity conservation and protection.