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Author: William A. Brock
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: William A. Brock
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: JunJie Wu
Publisher:
ISBN:
Category : Nonpoint source pollution
Languages : en
Pages : 48
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Book Description
Author: Charles Perrings
Publisher: Oxford University Press
ISBN: 0199560153
Category : Business & Economics
Languages : en
Pages : 286
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Book Description
This volume addresses the issue of biological invasions from both an ecological and economic perspective, providing an in-depth evaluation of the science and its implications for managing the causes and consequences of one of the most pressing environmental issues facing humans today.
Author: Gary M. Lovett
Publisher: Springer Science & Business Media
ISBN: 0387240918
Category : Science
Languages : en
Pages : 494
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Book Description
This groundbreaking work connects the knowledge of system function developed in ecosystem ecology with landscape ecology's knowledge of spatial structure. The book elucidates the challenges faced by ecosystem scientists working in spatially heterogeneous systems, relevant conceptual approaches used in other disciplines and in different ecosystem types, and the importance of spatial heterogeneity in conservation resource management.
Author: William A. Brock
Publisher:
ISBN:
Category :
Languages : en
Pages : 42
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Book Description
Author: Gerrit van Straten
Publisher: CRC Press
ISBN: 1420059637
Category : Science
Languages : en
Pages : 318
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Book Description
Greenhouse control system manufacturers produce equipment and software with hundreds of settings and, while they hold training courses on how to adjust these settings, there is as yet no integrated instruction on when or why. Despite rapid growth in the greenhouse industry, growers are still faced with a multitude of variables and no unifying frame
Author: Raouf Boucekkine
Publisher: Routledge
ISBN: 1136920927
Category : Business & Economics
Languages : en
Pages : 277
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Book Description
This book covers a wide range of topics within mathematical modelling and the optimization of economic, demographic, technological and environmental phenomena. Each chapter is written by experts in their field and represents new advances in modelling theory and practice. These essays are exemplary of the fruitful interaction between theory and practice when exploring global and local changes. The unifying theme of the book is the use of mathematical models and optimization methods to describe age-structured populations in economy, demography, technological change, and the environment. Emphasis is placed on deterministic dynamic models that take age or size structures, delay effects, and non-standard decision variables into account. In addition, the contributions deal with the age structure of assets, resources, and populations under study. Interdisciplinary modelling has enormous potential for discovering new insights in global and regional development. Optimal Control of Age-structured Populations in Economy, Demography, and the Environment is a rich and excellent source of information on state-of-the-art modelling expertise and references. The book provides the necessary mathematical background for readers from different areas, such as applied sciences, management sciences and operations research, which helps guide the development of practical models. As well as this the book also surveys the current practice in applied modelling and looks at new research areas for a general mathematical audience. This book will be of interest primarily to researchers, postgraduate students, as well as a wider scientific community, including those focussing on the subjects of applied mathematics, environmental sciences, economics, demography, management, and operations research.
Author: Nicholas Brozović
Publisher:
ISBN:
Category :
Languages : en
Pages : 252
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Author: Idriss Mazari
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
This thesis is devoted to the study of shape optimisation and control problems stemming from the study of spatial ecology. Assuming we are working with a population whose density depends on a spatially heterogeneous Fisher-KPP equation involving a resources distribution, we wish to investigate which of these resources distributions optimises the survival, or total population size of the population. In order to study such questions, we introduce and analyse several shape optimisation and control problems involving the solutions of reaction-diffusion PDEs and/or spectral quantities that depend on the resources distribution. The analysis of these problems leads to- developing asymptotic methods to study the existence and some qualitative properties (e.g concentration, fragmentation) of optimal shapes, as well as their stability;-proving a quantitative spectral inequality for a Schrödinger operator in the ball;-introducing a perturbative method to study controllability properties of spatially heterogeneous reaction-diffusion equations.
Author: B.-S. Goh
Publisher: Elsevier
ISBN: 0444599622
Category : Science
Languages : en
Pages : 299
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Book Description
Management and Analysis of Biological Populations demonstrates the usefulness of optimal control theory in the management of biological populations and the Liapunov function in simulating an ecosystem model under large perturbations of its initial state and continual disturbances on its dynamics. The first chapter of the book introduces the topic by presenting the different models in ecology and discussing the stability concepts, the ecological engineering, and various relevant functions in ecosystem modeling. The next chapter contains a brief survey of static optimization techniques and optimal control theory for systems, which are modeled by differential and difference equations. Another chapter covers methods that use Liapunov and Liapunov-like functions to establish that a given population model is stable relative to finite perturbations of its initial state and that it is non-vulnerable relative to large continual disturbances. The book also covers fisheries and logistic modeling, including a discussion of a few management problems. Moreover, this reference considers stability in an ecosystem model with complexities due to species richness, nonlinearities, time delays, and spatial heterogeneity. Finally, it explains how to manage pests and greenhouse crops. The book is an excellent reference source for students and professionals in ecology and environmental engineering. Research professionals and extended workers in agriculture and agronomy will also find this book invaluable.
