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Author: Eric F. Lambin
Publisher:
ISBN:
Category : Deforestation
Languages : en
Pages : 132
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Book Description
Author: Eric F. Lambin
Publisher:
ISBN:
Category : Deforestation
Languages : en
Pages : 132
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Book Description
Author: David Kaimowitz
Publisher: CIFOR
ISBN: 979876417X
Category : Deforestation
Languages : en
Pages : 153
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Book Description
Types of economic deforestation models. Household and firm-level models. Regional-level models. National and macro-level models. Priority areas for future research.
Author: A. Amaro
Publisher: CABI
ISBN: 9780851998732
Category : Science
Languages : en
Pages : 426
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Book Description
There are many theoretical approaches to modelling forest systems, but not all of them have valid practical applications. This book reviews current thinking on various models and presents applications in various contexts. Papers have been selected and developed from those presented at aworkshop held in Portugal in June 2002. Topics covered include: Forest reality and modelling strategies Mathematical approaches and reasoning Estimation processes Models, validation and decision under uncertainty Model archives and metadata
Author: Klaus von Gadow
Publisher: Springer Science & Business Media
ISBN: 9401148163
Category : Technology & Engineering
Languages : en
Pages : 222
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Book Description
In an lUlffianaged woodland, forest development follows a succession of periods of undisturbed natural growth, interrupted by intermediate loss or damage of trees caused by fire or wind or other natural hazards. In a managed woodland, the most important periodic disturbances are the thinning operations, which are often carried out at regular intervals and which usually have a significant effect on the future evolution of the resource. Thus, a realistic model of forest development includes both natural growth and thinnings. The key to successful timber management is a proper understanding of growth processes, and one of the objectives of modelling forest development is to provide the tools that enable foresters to compare alternative silvicultural treatments. Foresters need to be able to anticipate the consequences of a particular thinning operation. In most cases, total timber volume is not a very appropriate measure for quantifying growth or yields, or changes caused by thinning operations. Yield in economic terms is defined by the dimensions and quality attributes of the harvestable logs, and estimating timber products is a central issue of production-oriented growth and yield research. Introduction 2 Growth modelling is also an essential prerequisite for evaluating the consequences of a particular management action on the future development of an important natural resource, such as a woodland ecosystem.
Author: Chetan Agarwal
Publisher:
ISBN:
Category : Environmental sciences
Languages : en
Pages : 68
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Book Description
Author: Aaron R. Weiskittel
Publisher: John Wiley & Sons
ISBN: 1119971500
Category : Science
Languages : en
Pages : 431
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Book Description
Forest Growth and Yield Modeling synthesizes current scientific literature and provides insights in how models are constructed. Giving suggestions for future developments, and outlining keys for successful implementation of models the book provides a thorough and up-to-date, single source reference for students, researchers and practitioners requiring a current digest of research and methods in the field. The book describes current modelling approaches for predicting forest growth and yield and explores the components that comprise the various modelling approaches. It provides the reader with the tools for evaluating and calibrating growth and yield models and outlines the steps necessary for developing a forest growth and yield model. Single source reference providing an evaluation and synthesis of current scientific literature Detailed descriptions of example models Covers statistical techniques used in forest model construction Accessible, reader-friendly style
Author: Thomas K. Rudel
Publisher: Columbia University Press
ISBN: 9780231080446
Category : Nature
Languages : en
Pages : 258
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Book Description
The highly publicized obscenity trial of Radclyffe Hall's The Well of Loneliness (1928) is generally recognized as the crystallizing moment in the construction of a visible modern English lesbian culture, marking a great divide between innocence and deviance, private and public, New Woman and Modern Lesbian. Yet despite unreserved agreement on the importance of this cultural moment, previous studies often reductively distort our reading of the formation of early twentieth-century lesbian identity, either by neglecting to examine in detail the developments leading up to the ban or by framing events in too broad a context against other cultural phenomena. Fashioning Sapphism locates the novelist Radclyffe Hall and other prominent lesbians--including the pioneer in women's policing, Mary Allen, the artist Gluck, and the writer Bryher--within English modernity through the multiple sites of law, sexology, fashion, and literary and visual representation, thus tracing the emergence of a modern English lesbian subculture in the first two decades of the twentieth century. Drawing on extensive new archival research, the book interrogates anew a range of myths long accepted without question (and still in circulation) concerning, to cite only a few, the extent of homophobia in the 1920s, the strategic deployment of sexology against sexual minorities, and the rigidity of certain cultural codes to denote lesbianism in public culture.
Author: Valderli Jorge Piontekowski
Publisher:
ISBN:
Category : Technology
Languages : en
Pages :
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Book Description
Spatial modeling is a tool to represent deforestation and predict future scenarios according to different landscape change. Establishing 80% Legal Reserve Area (LR) in the Amazon since 90th, the Brazilian forestry code has made clear the biodiversity conservation profile of the largest tropical forest in the world. However, this mechanism did not prevent the advance of deforestation, which in recent years has increased again. This remote tool aims to monitor the deforestation, simulating its possible future trajectories, and thus generate information that can be used to assist in the management of deforestation reduction. The spatial modeling in the prediction of different deforestation scenarios based on public policies and their changes to the state of Acre (north of Brazil). Using the methodological processes of the Dinamica EGO software, three scenarios were projected up to the year 2050: (1) deforestation "Business as usual", (2) deforestation with 50% LR and (3) deforestation with 80% LR provided by law. Based on these results it was evident that maintaining and respect 80% LR, it's possible reduce the CO2 emissions more than 76%, avoiding around 119,534,836 t of CO2 and influences positively on reducing deforestation. Dinamica EGO proved to be an effective to represent the deforestation.
Author: Martin Paegelow
Publisher: Springer Science & Business Media
ISBN: 3540684980
Category : Science
Languages : en
Pages : 405
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Book Description
Modelling environmental dynamics is critical to understanding and predicting the evolution of the environment in response to the large number of influences including urbanisation, climate change and deforestation. Simulation and modelling provide support for decision making in environmental management. The first chapter introduces terminology and provides an overview of methodological modelling approaches which may be applied to environmental and complex dynamics. Based on this introduction this book illustrates various models applied to a large variety of themes: deforestation in tropical regions, fire risk, natural reforestation in European mountains, agriculture, biodiversity, urbanism, climate change and land management for decision support, etc. These case studies, provided by a large international spectrum of researchers and presented in a uniform structure, focus particularly on methods and model validation so that this book is not only aimed at researchers and graduates but also at professionals.
Author: John Wainwright
Publisher: John Wiley & Sons
ISBN: 0470091541
Category : Science
Languages : en
Pages : 432
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Book Description
Simulation models are increasingly used to investigate processes and solve practical problems in a wide variety of disciplines eg. climatology, ecology, hydrology, geomorphology, engineering. Environmental Modelling: A Practical Approach addresses the development, testing and application of such models, which apply across traditional boundaries, and demonstrate how interactions across these boundaries can be beneficial. Provides a general overview of methods and approaches as well as focusing on key subject areas written by leading practitioners in the field Assesses the advantages and disadvantages of different models used and provides case studies supported with data, output, tutorial exercises and links to the model and/or model applications via the book's website Covers major developments in the field, eg. the use of GIS and remote sensing techniques, and scaling issues As associated website contains colour images, as well as links to www resources
