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Author:
Publisher: ReadHowYouWant.com
ISBN: 1442997184
Category :
Languages : en
Pages : 350

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Author: Lawrence S. Earley
Publisher: ReadHowYouWant.com
ISBN: 1442996978
Category : Nature
Languages : en
Pages : 590

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Covering 92 million acres from Virginia to Texas, the longleaf pine ecosystem was, in its prime, one of the most extensive and biologically diverse ecosystems in North America. Today these magnificent forests have declined to a fraction of their original extent, threatening such species as the gopher tortoise, the red-cockaded woodpecker, and the Venus fly-trap. Lawrence S. Earley explores the history of these forests and the astonishing biodiversity within them, drawing on extensive research and telling the story through first-person travel accounts and interviews with foresters, ecologists, biologists, botanists, and landowners. The compelling story Earley tells here offers hope that with continued human commitment, the longleaf pine might not just survive, but once again thrive.

Author: Shibu Jose
Publisher: Springer Science & Business Media
ISBN: 0387296557
Category : Nature
Languages : en
Pages : 438

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The longleaf pine ecosystem, once one of the most extensive ecosystems in North America, is now among the most threatened. Over the past few centuries, land clearing, logging, fire suppression, and the encroachment of more aggressive plants have led to an overwhelming decrease in the ecosystem’s size, to approximately 2.2% of its original coverage. Despite this devastation, the range of the longleaf still extends from Virginia to Texas. Through the combined efforts of organizations such as the USDA Forest Service, the Longleaf Alliance, and the Nature Conservancy, extensive programs to conserve, restore, and manage the ecosystem are currently underway. The longleaf pine ecosystem is valued not only for its aesthetic appeal, but also for its outstanding biodiversity, habitat value, and for the quality of the longleaf pine lumber. It has a natural resistance to fire and insects, and supports more than thirty threatened or endangered plant and animal species, including the red-cockaded woodpecker and the gopher tortoise. The Longleaf Pine Ecosystem unites a wealth of current information on the ecology, silviculture, and restoration of this ecosystem. The book also includes a discussion of the significant historical, social, and political aspects of ecosystem management, making it a valuable resource for students, land managers, ecologists, private landowners, government agencies, consultants, and the forest products industry. About the Editors: Dr. Shibu Jose is Associate Professor of Forest Ecology and Dr. Eric J. Jokela is Professor of Silviculture at the School of Forest Resources and Conservation at the University of Florida in Gainesville. Dr. Deborah L. Miller is Associate Professor of Wildlife Ecology in the Department of Wildlife Ecology and Conservation at the University of Florida in Milton.

Author: Peter Bogetoft
Publisher: Springer Science & Business Media
ISBN: 1441979611
Category : Business & Economics
Languages : en
Pages : 362

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This book covers recent advances in efficiency evaluations, most notably Data Envelopment Analysis (DEA) and Stochastic Frontier Analysis (SFA) methods. It introduces the underlying theories, shows how to make the relevant calculations and discusses applications. The aim is to make the reader aware of the pros and cons of the different methods and to show how to use these methods in both standard and non-standard cases. Several software packages have been developed to solve some of the most common DEA and SFA models. This book relies on R, a free, open source software environment for statistical computing and graphics. This enables the reader to solve not only standard problems, but also many other problem variants. Using R, one can focus on understanding the context and developing a good model. One is not restricted to predefined model variants and to a one-size-fits-all approach. To facilitate the use of R, the authors have developed an R package called Benchmarking, which implements the main methods within both DEA and SFA. The book uses mathematical formulations of models and assumptions, but it de-emphasizes the formal proofs - in part by placing them in appendices -- or by referring to the original sources. Moreover, the book emphasizes the usage of the theories and the interpretations of the mathematical formulations. It includes a series of small examples, graphical illustrations, simple extensions and questions to think about. Also, it combines the formal models with less formal economic and organizational thinking. Last but not least it discusses some larger applications with significant practical impacts, including the design of benchmarking-based regulations of energy companies in different European countries, and the development of merger control programs for competition authorities.

Author: Bill Finch
Publisher: UNC Press Books
ISBN: 0807838098
Category : Nature
Languages : en
Pages : 193

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Longleaf forests once covered 92 million acres from Texas to Maryland to Florida. These grand old-growth pines were the "alpha tree" of the largest forest ecosystem in North America and have come to define the southern forest. But logging, suppression of fire, destruction by landowners, and a complex web of other factors reduced those forests so that longleaf is now found only on 3 million acres. Fortunately, the stately tree is enjoying a resurgence of interest, and longleaf forests are once again spreading across the South. Blending a compelling narrative by writers Bill Finch, Rhett Johnson, and John C. Hall with Beth Maynor Young's breathtaking photography, Longleaf, Far as the Eye Can See invites readers to experience the astounding beauty and significance of the majestic longleaf ecosystem. The authors explore the interactions of longleaf with other species, the development of longleaf forests prior to human contact, and the influence of the longleaf on southern culture, as well as ongoing efforts to restore these forests. Part natural history, part conservation advocacy, and part cultural exploration, this book highlights the special nature of longleaf forests and proposes ways to conserve and expand them.

Author: Thomas C. Croker
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 44

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Author: Anne Marshall Runyon
Publisher:
ISBN: 9780865265004
Category :
Languages : en
Pages : 72

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Longneedle tells the life story of a longleaf pine in the longleaf pine savannas of the North Carolina Outer Coastal Plain. The remarkable, fire dependent tree persists through three hundred years of North Carolina history from 1696 to 1996, when hurricane Fran brings its tale to an end. . . . But her descendants live on! Longneedle is a story of survival and celebration as it explains the connections between species in a unique and beautiful southeastern American forest.

Author: Janisse Ray
Publisher: Milkweed Editions
ISBN: 1571317953
Category : Nature
Languages : en
Pages : 223

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From the memories of a childhood marked by extreme poverty, mental illness, and restrictive fundamentalist Christian rules, Janisse Ray crafted a “heartfelt and refreshing” (New York Times) memoir that has inspired thousands to embrace their beginnings, no matter how humble, and to fight for the places they love. This new edition updates and contextualizes the story for a new generation and a wider audience desperately searching for stories of empowerment and hope. Ray grew up in a junkyard along U.S. Highway 1, hidden from Florida-bound travelers by hulks of old cars. In language at once colloquial, elegiac, and informative, Ray redeems her home and her people, while also cataloging the source of her childhood hope: the Edenic longleaf pine forests, where orchids grow amid wiregrass at the feet of widely spaced, lofty trees. Today, the forests exist in fragments, cherished and threatened, and the South of her youth is gradually being overtaken by golf courses and suburban development. A contemporary classic, Ecology of a Cracker Childhood is a clarion call to protect the cultures and ecologies of every childhood.

Author:
Publisher:
ISBN:
Category : Fire ecology
Languages : en
Pages : 48

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Author: Harold Scofield Betts
Publisher:
ISBN:
Category : Longleaf pine
Languages : en
Pages : 16

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