On Systems Analysis And Simulation Of Ecological Processes With Examples In Csmp And Fortran
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On Systems Analysis And Simulation Of Ecological Processes With Examples In Csmp And Fortran
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Author : P.A. Leffelaar
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
On Systems Analysis And Simulation Of Ecological Processes With Examples In Csmp And Fortran written by P.A. Leffelaar and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
A system may be studied by distinguishing its major components, characterizing the changes in them by differential equations that form their simplified representa tions, and then interconnecting these representations to obtain a model of the original system. Developing the model is the systems synthesis phase. The behaviour of the model may now be studied and compared with experimental results obtained from the system. This research method is called systems analysis and simulation. Systems analysis and simulation can serve to make predictions, to improve the insight in systems, and to test knowledge on consistency and completeness. Predictive models are rare in ecology, simply because the underlying processes which form the basis of the models are seldom well known. A successful example of a predictive model was the work of van Keulen (1975). He showed that under semi arid conditions, where water is the main factor controlling primary production, the simulation technique could predict the production of natural grasslands. Fair predicti ons could also be made for the Sahelian pastures (Penning de Vries & Djiteye, 1982). Predictive models of populations of different pest and disease organisms are being used in biological control systems (Zadoks et aI., 1984).
On Systems Analysis And Simulation Of Ecological Processes With Examples In Csmp Fst And Fortran
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Author : P.A. Leffelaar
language : en
Publisher: Springer
Release Date : 1998-12-31
On Systems Analysis And Simulation Of Ecological Processes With Examples In Csmp Fst And Fortran written by P.A. Leffelaar and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-12-31 with Science categories.
Systems approaches are excellent in integrating insights in the physical, chemical, Systemsapproachesareexcellentinintegratinginsightsinthephysical,chemical, physiological and ecological processes that dictate the behaviour of living systems, of physiologicalandecologicalprocessesthatdictatethebehaviouroflivingsystems,of which which agro-ecosystems agro-ecosystems are are important importantones. ones. Furthermore, Furthermore, they theyhelp help to tobridge bridge the the gap gap between betweendetailed detailed process processoriented oriented studies studies and and higher higherintegration integration levels. levels. Systems Systems approaches approaches are are roughly roughlycategorized categorized in inthree three groups groups of of studies: studies: (i) (i) predictive predictive studies studies to to support support decision decision making making and and guide guide interventions, interventions, (ii) (ii) systems systemsanalysis analysis and and simulation simulation in inorder order to toget get insight insight and and understanding understandingof of the the functioning functioningof of (living) (living) systems, systems, and and (iii) (iii) explorative explorative studies studies to to investigate investigate possible possible options options for for development development and and trade trade offs offs of of aims, aims,objectives objectives and andconstraints. constraints. All All these these systems systems approaches approaches are are now nowwidely widely used used in inecological ecological systems systems including including agriculture, agriculture, and and applied appliedin in land landuse use planning. planning. This This book book is is an an introduction introduction to toone one of ofthe the major majorfields: fields: systems systems analysis analysis and and simula simula tion. tion.
On Systems Analysis And Simulation Of Ecological Processes
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Author : P. A. Leffelaar
language : en
Publisher:
Release Date : 2003
On Systems Analysis And Simulation Of Ecological Processes written by P. A. Leffelaar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Systems Analysis And Simulation In Ecology
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Author : Bernard C. Patten
language : en
Publisher: Elsevier
Release Date : 2013-09-17
Systems Analysis And Simulation In Ecology written by Bernard C. Patten and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-17 with Science categories.
Systems Analysis and Simulation in Ecology, Volume II, concludes the original concept for Systems Analysis and Simulation in Ecology, and at the same time initiates a continuing series under the same title. The original idea, in 1968, was to draw together a collection of systems ecology articles as a convenient benchmark to the state of this emerging new field and as a stimulus to broader interest. These purposes will continue to motivate the series in highlighting, from time to time, accomplishments, trends, and prospects. The present volume is organized into four parts. Part I outlines for ecologists the concepts upon which systems science as a discipline is built. Part II presents example applications of systems analysis methods to ecosystems. Part III is devoted to new theory, including an investigation into the feasibility of several nonlinear formulations for use in compartment modeling of ecosystems; and the important topic of connectivity in systems. Part IV presents a sampling of systems ecology applications. It provides a reasonably balanced and accurate picture of the practical capability of ecological systems analysis and simulation. Performance does not come up to publicity, but prospects for rapid improvement are good given a willingness to let pragmatism guide sound scientific development without demanding unrealistic short-term successes.
Systems Analysis And Simulation In Ecology
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Author : Bernard C. Patten
language : en
Publisher: Elsevier
Release Date : 2013-09-11
Systems Analysis And Simulation In Ecology written by Bernard C. Patten and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-11 with Science categories.
Systems Analysis and Simulation in Ecology, Volume I, is a book of ecology in transition from a ""soft"" science, synecology, to a ""hard"" science, systems ecology. It is an enthusiastic and optimistic statement about the fundamental adaptability of the scientific mechanism to newly appreciated truths of existence. It documents, in ecological science, a move away from the explanatory or cognitive criterion toward the predictive criterion, a hard one with the potential of leading ultimately to optimal design and control of ecosystems. The book is organized into three parts. Part I is an overview of some of the methods and rationales for ecological systems modeling for the purposes of simulation and systems analysis. It provides an elementary introduction to the use of analog and digital computers for simulation and a rationale for ecological model-building. Part II illustrates three different approaches to population modeling. These include a mathematical analysis of microbial (Chlorella, Selenastrum) dynamics in both continuous and batch cultures; and a bioenergetics study of the terrestrial isopod Armadillidium, utilizing concepts from control theory and the transfer function technique of classical dynamic analysis. Part III brings together a group of papers describing various aspects and philosophies of ecological simulation. These include common problems in ecosystem simulation and the question whether or not some of the newer methods of systems ecology might not be used in connection with some of the older data and observations of traditional synecology.
Systems Analysis And Simulation In Ecology
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Author : Bernard C. Patten
language : en
Publisher: Elsevier
Release Date : 2013-09-11
Systems Analysis And Simulation In Ecology written by Bernard C. Patten and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-11 with Science categories.
Systems Analysis and Simulation in Ecology, Volume IV continues the organization begun in Volume III to document a meeting, Modeling and Analysis of Ecosystems, held at the University of Georgia on 1-3 March 1973. Several chapters are considerably expanded over their original concept, and several others are included which were not part of the symposium. The book is organized into five parts. Part I contains chapters on estuarine-marine ecosystems. Part II presents models of several terrestrial ecosystems. Part III has chapters devoted to human aspects of ecology. Part IV considers special problems of ecosystem modeling, namely linear versus nonlinear models, aggregation, and validation. Part V, the most extensive section, describes theory in ecosystem analysis. The book’s chapters demonstrate the current scope of systems ecology—its past and present emphasis on parts and mechanisms in simulation modeling, and its movement toward systems analysis and new, more formal consideration of wholes in theory. They make clear that although the systems approach is young in ecology, it has substantially enriched the science both methodologically and conceptually.
Wolf Prize In Agriculture
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Author : Ilan Chet
language : en
Publisher: World Scientific
Release Date : 2009
Wolf Prize In Agriculture written by Ilan Chet and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Technology & Engineering categories.
This specially compiled volume contains contributions from Wolf Prize laureates. In agriculture, there is no higher prize than the Wolf Prize. The book includes a list of publications and the most important papers in plant and animal breeding, genetics, biochemistry and plant protection, biotechnology, as well as chemistry and the physics of soils.
Rural Planning From An Environmental Systems Perspective
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Author : Frank B. Golley
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Rural Planning From An Environmental Systems Perspective written by Frank B. Golley and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Political Science categories.
This book synthesizes knowledge from several fields that are crucial to sustainable rural development: the physical environment, biological and agricultural production, rural sociology and economics. It takes a systems perspective incorporating systems analysis, landscape analysis and soil, water, and land planning. Directed toward graduate students and professionals, it provides a source of information and concepts for those concerned with land and water policies and practice. It presents an integrated approach using practical and applicable models and methods and takes a middle position between an elementary conceptual approach to land and water management and a highly mathematically advanced treatise based exclusively on system modeling. The book is based on almost twenty years of experience in teaching a course on rural planning and the environment, the authors being specialists from universities, research institutions and companies in Europe and North America.
Modelling Potential Crop Growth Processes
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Author : J. Goudriaan
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Modelling Potential Crop Growth Processes written by J. Goudriaan and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
We dedicate this book to professor C. T. de Wit (1924 - 1993) who initiated Production Ecology as a school of thought at the Wageningen Agricultural Univer sity (see Rabbinge et at. , 1990). To acknowledge the leading role of C. T. de Wit, a recently formed graduate school at this university in Production Ecology was named after him. Production Ecology is the study of ecological processes, with special attention to flows of energy and matter as factors that determine the productivity of ecological systems. Agro-ecosystems are a special case of ecosystems which are much better suited for the productivity approach than natural ecosystems are. This is the reason for the strong role of agricultural research in production ecology. On the other hand, it must be recognized that the spatial heterogeneity of natural ecosys tems and their species richness may alter some ecophysiological relationships. However, the basic physical, chemical and physiological processes will be the same. De Wit introduced the state variable approach as the basis for simulation mod elling. In this approach the floating character of nature is schematized into a series of snapshots over time in which the states are frozen at each separate moment. The current state determines how the rates of change will lead to the next snapshot. This way of thinking enables a clear and workable representation of interacting simul taneous processes, without compromising on the mathematics.
Potato Ecology And Modelling Of Crops Under Conditions Limiting Growth
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Author : A.J. Haverkort
language : en
Publisher: Springer Science & Business Media
Release Date : 1995-06-30
Potato Ecology And Modelling Of Crops Under Conditions Limiting Growth written by A.J. Haverkort and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-06-30 with Cooking categories.
Proceedings of the 2nd International Potato Modeling Conference, held in Wageningen, 17--19 May, 1994