Long-term Exposure to Elevated CO2 Enhances Plant Community Stability by Suppressing Dominant Plant Species in a Mixed-grass Prairie PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages : 6
Book Description
Climate controls vegetation distribution across the globe, and some vegetation types are more vulnerable to climate change, whereas others are more resistant. Because resistance and resilience can influence ecosystem stability and determine how communities and ecosystems respond to climate change, we need to evaluate the potential for resistance as we predict future ecosystem function. In a mixed-grass prairie in the northern Great Plains, in this study we used a large field experiment to test the effects of elevated CO2, warming, and summer irrigation on plant community structure and productivity, linking changes in both to stability in plant community composition and biomass production. We show that the independent effects of CO2 and warming on community composition and productivity depend on interannual variation in precipitation and that the effects of elevated CO2 are not limited to water saving because they differ from those of irrigation. We also show that production in this mixed-grass prairie ecosystem is not only relatively resistant to interannual variation in precipitation, but also rendered more stable under elevated CO2 conditions. This increase in production stability is the result of altered community dominance patterns: Community evenness increases as dominant species decrease in biomass under elevated CO2. In many grasslands that serve as rangelands, the economic value of the ecosystem is largely dependent on plant community composition and the relative abundance of key forage species. Finally, our results have implications for how we manage native grasslands in the face of changing climate.
Author: Publisher: ISBN: Category : Languages : en Pages : 6
Book Description
Climate controls vegetation distribution across the globe, and some vegetation types are more vulnerable to climate change, whereas others are more resistant. Because resistance and resilience can influence ecosystem stability and determine how communities and ecosystems respond to climate change, we need to evaluate the potential for resistance as we predict future ecosystem function. In a mixed-grass prairie in the northern Great Plains, in this study we used a large field experiment to test the effects of elevated CO2, warming, and summer irrigation on plant community structure and productivity, linking changes in both to stability in plant community composition and biomass production. We show that the independent effects of CO2 and warming on community composition and productivity depend on interannual variation in precipitation and that the effects of elevated CO2 are not limited to water saving because they differ from those of irrigation. We also show that production in this mixed-grass prairie ecosystem is not only relatively resistant to interannual variation in precipitation, but also rendered more stable under elevated CO2 conditions. This increase in production stability is the result of altered community dominance patterns: Community evenness increases as dominant species decrease in biomass under elevated CO2. In many grasslands that serve as rangelands, the economic value of the ecosystem is largely dependent on plant community composition and the relative abundance of key forage species. Finally, our results have implications for how we manage native grasslands in the face of changing climate.
Author: S P Singh Publisher: Springer Nature ISBN: 9811944768 Category : Science Languages : en Pages : 575
Book Description
This book brings together comprehensive multi-disciplinary knowledge on diverse aspects of the Himalayan treeline ecotone which is considered one of the most sensitive ecosystems to climate change. The contents of this book are based on the results of extensive research and provide a holistic understanding of the treeline ecotone in Himalaya. The book will serve as an important reference manual and a textbook on treeline ecology. The book is unique in the sense that it provides an engaging account of almost all the aspects of the treeline ecotone, such as taxonomic, functional and phylogenetic species diversity, temperature lapse rates, tree phenology, water relations, and stress physiology, tree ring width chronology, and climate relationships and the role of treeline ecotone in human sustenance in the Indian Himalayan region The treelines in the Himalaya, being the highest in the Northern Hemisphere (up to 4900 m), are among the least investigated systems and hence this book is timely and fills all-important knowledge gaps vis-à-vis treeline shifts, physiognomic, structural, and functional changes in mountain landscapes and ecosystems, particularly under the changing climate This book, for the first time, summarizes evidence-based knowledge about various aspects of treeline ecotone in Himalaya that was largely generated through a well-coordinated a team science approach. The book will be of interest to ecologists, climatologists, dendrochronologists, foresters, plant physiologists and resource managers and policy planners for a better understanding of the organization and dynamics of this fragile ecosystem in relation to climate change and other anthropogenic stresses that are rampant in the Himalaya. The book lays a solid foundation for further investigation of the ecology and dynamics of the treeline ecotone in the Himalayas and provides a rationale for pursuing a team science approach for macroecological investigations.
Author: Mark Sloan Publisher: Lulu.com ISBN: 099474188X Category : Languages : en Pages : 292
Book Description
Never Fear Cancer Again What if I told you that all the research needed to end the disease of cancer forever has already been completed? Would you believe it? Well now you don't have to! Cancer: The Metabolic Disease Unravelled is your complete guide to the revolutionary scientific discoveries made over the past 150 years that reveal exactly what cancer is, what cancer isn't, and the most efficient ways to heal it - without causing patients any harm whatsoever in the process. Bestselling author Mark Sloan lost his mother to cancer when he was 12 years old and now he's made it his life mission to ensure that no child has to go through what he did, ever again. Pick up your copy now by clicking the BUY NOW button at the top of this page!
Author: Mark Sloan Publisher: Lulu.com ISBN: 0994741839 Category : Cancer Languages : en Pages : 350
Book Description
What if I told you that all the research needed to end the disease of cancer forever has already been completed? Would you believe it? Well now you don't have to! Cancer Cured is a 2-book Special Edition including two internationally #1 bestselling books titled The Cancer Industry and Cancer: The Metabolic Disease Unravelled. Backed by evidence from over 2400 scientific and clinical studies, Cancer Cured takes you on a comprehensive scientific investigation into cancer treatments, cancer screening programs and the cancer industry - and then you'll find out what cancer is, what it isn't, and the most efficient ways to heal it, without causing any harm in the process. Bestselling author Mark Sloan lost his mother to cancer when he was 12 years old and now his life mission is clear: To ensure that no child has to go through what he did, ever again. Pick up your copy now by clicking the BUY NOW button at the top of this page!
Author: Publisher: Academic Press ISBN: 0128110953 Category : Science Languages : en Pages : 690
Book Description
Advances in Ecological Research is one of the most successful series in the highly competitive field of ecology. This thematic volume focuses on large scale ecology, publishing important reviews that contribute to our understanding of the field. - Presents the most updated information on the field of large scale ecology, publishing topical and important reviews - Provides all information that relates to a thorough understanding of the field - Includes data on physiology, populations, and communities of plants and animals
Author: Carol C. Baskin Publisher: Academic Press ISBN: 0128237325 Category : Science Languages : en Pages : 348
Book Description
Plant Regeneration from Seeds: A Global Warming Perspective comprehensively reviews the effects caused by climate change on global plant regeneration, growth and seed germination. Initial chapters discuss specific geographical regions such as steppes, the artic, boreal and alpine zones, dry and tropical forests and deserts. Subsequent chapters explore special seed-related topics like fire, soil seed banks, crops, weed emergence, and invasive species Written by leaders in the field of seed germination and plant growth, this is an essential read for researchers and academics interested in plant growth, plant regeneration, seed germination and the effects of these in relation to climate change. - Guides readers through the global effects of climate change on plant growth and seed germination, including chapters on special seed-related topics - Provides fundamental research on plant regeneration - Includes detailed coverage on specific geographic regions
Author: David D. Briske Publisher: Springer ISBN: 3319467093 Category : Technology & Engineering Languages : en Pages : 664
Book Description
This book is open access under a CC BY-NC 2.5 license. This book provides an unprecedented synthesis of the current status of scientific and management knowledge regarding global rangelands and the major challenges that confront them. It has been organized around three major themes. The first summarizes the conceptual advances that have occurred in the rangeland profession. The second addresses the implications of these conceptual advances to management and policy. The third assesses several major challenges confronting global rangelands in the 21st century. This book will compliment applied range management textbooks by describing the conceptual foundation on which the rangeland profession is based. It has been written to be accessible to a broad audience, including ecosystem managers, educators, students and policy makers. The content is founded on the collective experience, knowledge and commitment of 80 authors who have worked in rangelands throughout the world. Their collective contributions indicate that a more comprehensive framework is necessary to address the complex challenges confronting global rangelands. Rangelands represent adaptive social-ecological systems, in which societal values, organizations and capacities are of equal importance to, and interact with, those of ecological processes. A more comprehensive framework for rangeland systems may enable management agencies, and educational, research and policy making organizations to more effectively assess complex problems and develop appropriate solutions.
Author: Publisher: ISBN: Category : Geographic information systems Languages : en Pages : 6
Book Description
The PRAIRIEMAP web site (http://prairiemap.wr.usgs.gov) contains links to partners, documentation of the data, and a directory of GIS data that can be downloaded.
Author: Richard D. Bardgett Publisher: Oxford University Press ISBN: 0199546878 Category : Nature Languages : en Pages : 312
Book Description
Aboveground-Belowground Linkages provides the most up-to-date and comprehensive synthesis of recent advances in our understanding of the roles that interactions between aboveground and belowground communities play in regulating the structure and function of terrestrial ecosystems, and their responses to global change. It charts the historical development of this field of ecology and evaluates what can be learned from the recent proliferation of studies on the ecological and biogeochemical significance of aboveground-belowground linkages. The book is structured around four key topics: biotic interactions in the soil; plant community effects; the role of aboveground consumers; and the influence of species gains and losses. A concluding chapter draws together this information and identifies a number of cross-cutting themes, including consideration of aboveground-belowground feedbacks that occur at different spatial and temporal scales, the consequences of these feedbacks for ecosystem processes, and how aboveground-belowground interactions link to human-induced global change.
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Author: S P Singh
Author: Mark Sloan
Author: Mark Sloan
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Author: Carol C. Baskin
Author: Pil Joo Kim
Author: David D. Briske
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Author: Richard D. Bardgett