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Author : Bernard C. Patten
Publisher : Unknown
Page : 616 pages
File Size : 52,5 Mb
Release : 1971
Category : Ecology
ISBN : MINN:31951D01930154B
"This is a book of ecology in transition form a "soft" science, synecology, to a "hard" science, systems ecology" -- Preface.
Author : Bernard C. Patten
Publisher : Unknown
Page : 1199 pages
File Size : 49,7 Mb
Release : 1972
Category : Electronic
ISBN : OCLC:486984306
Author : Bernard C. Patten
Publisher : Elsevier
Page : 618 pages
File Size : 48,7 Mb
Release : 2013-09-11
Category : Science
ISBN : 9781483262734
Systems Analysis and Simulation in Ecology, Volume III, and its companion, Volume IV, grew out of a symposium, Modeling and Analysis of Ecosystems, held at the University of Georgia, 1-3 March 1973. The purposes of the meeting were to (i) review the status of ecosystem modeling, simulation, and analysis; (ii) provide a forum for interaction between U.S. International Biological Program (IBP) Biome modeling programs and selected non-IBP investigations involving systems approaches to ecosystem analysis; and (iii) identify and promote dialogue on key issues in macrosystem modeling. The volume is organized into two parts. Part I treats ecosystem modeling in the U.S. IBP. The introductory chapter is followed by five chapters describing grassland, deciduous forest, desert, tundra, and coniferous forest biome modeling. The concluding chapter is one of critique and evaluation. Part II is devoted mainly to freshwater ecosystems, grading into the estuarine system in the last chapter. The five chapters of this section encompass a simple thermal ecosystem, small woodland streams, a reservoir, one of the Great Lakes, a lake reclaimed from eutrophication, and a major estuary under stress of human impact.
Author : Bernard C. Patten
Publisher : Elsevier
Page : 614 pages
File Size : 46,5 Mb
Release : 2013-09-11
Category : Science
ISBN : 9781483262741
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.
Author : Bernard C. Patten
Publisher : Unknown
Page : 607 pages
File Size : 50,9 Mb
Release : 1971
Category : Electronic
ISBN : OCLC:1043837329
Author : Kenneth E. F. Watt
Publisher : Elsevier
Page : 290 pages
File Size : 55,6 Mb
Release : 2013-10-22
Category : Science
ISBN : 9781483269016
Systems Analysis in Ecology surveys the problems and techniques of systems analysis in ecology. The opening and closing chapters were written by the editor, the first to explain why systems analysis is needed in ecology and what is meant by the term, and the last to point out the implications of this new approach for the future development of ecology. The book opens with a discussion of the nature of systems analysis. This is followed by separate chapters on the complexity of ecological systems and problems in their study and management; the organization and analytical procedures required by a large ecological systems study; telemetry and automatic data acquisition systems; and surveillance of the activities of small mammals. Subsequent chapters deal with the analysis of bird navigation experiments; the analysis of determination in population systems; building models of complex ecological systems; mathematical tools for the design of better salmon fishery management systems; and the evolution of ecological research programs.
Author : P.A. Leffelaar
Publisher : Springer Science & Business Media
Page : 301 pages
File Size : 50,9 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401120869
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).
Author : William E. Grant,Ellen K. Pedersen,Sandra L. Marín
Publisher : John Wiley & Sons
Page : 400 pages
File Size : 47,5 Mb
Release : 1997-03-05
Category : Business & Economics
ISBN : 0471137863
This book explores the theory and methods of systems analysis and computer modeling as applied to problems in ecology and natural resource management. It reflects the problems and conflicts between competing uses of limited space and the need for quantitative predictors of the outcome of various management strategies.
Author : Bernard C. Patten
Publisher : Unknown
Page : 128 pages
File Size : 54,9 Mb
Release : 1976
Category : Electronic
ISBN : OCLC:631001367
Author : P.A. Leffelaar
Publisher : Springer
Page : 319 pages
File Size : 52,9 Mb
Release : 1998-12-31
Category : Science
ISBN : 0792355261
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.
Author : P. A. Leffelaar
Publisher : Unknown
Page : 165 pages
File Size : 45,7 Mb
Release : 2003
Category : Electronic
ISBN : OCLC:66612597
Author : John Norman Richard Jeffers
Publisher : Unknown
Page : 208 pages
File Size : 43,8 Mb
Release : 1978
Category : Science
ISBN : MINN:31951000110916D
Author : William E. Grant
Publisher : Wiley-Interscience
Page : 362 pages
File Size : 40,6 Mb
Release : 1986-04-25
Category : Nature
ISBN : UCSD:31822002323384
Use of systems analysis and simulation in wildlife and fisheries sciences; Conceptual model formulation; Quantitative specification of the model; Model validation; Model use; A few words of caution; Matrix algebra; Differential and difference equations; Regression analysis; Computers and programming; Computer program for the pond simulation model; Answers to exercises.
Author : Hartmut Bossel
Publisher : Unknown
Page : 168 pages
File Size : 43,5 Mb
Release : 1986
Category : Electronic
ISBN : 3881223274
Systems analysis: an introduction. Model building and simulation: an introduction. Dynamic models of forest ecosystem components. Systems study of ecofarming: the fish subsystem.
Author : A. I. Breymeyer,George M. van Dyne
Publisher : Cambridge University Press
Page : 984 pages
File Size : 44,8 Mb
Release : 1980-03-20
Category : Business & Economics
ISBN : 0521218721
This 1980 book was a synthesis of much of the recent work on the functioning of grassland ecosystems at the time.