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BOOK EXCERPT:
Until fairly recently, populations were handled as homogenized averages, which made modeling feasible but which ignored the essential fact that in any population there is a great variety of individuals of different ages, sizes, and degrees of fitness. Recently, because of the increased availability of affordable computer power, approaches have been developed which are able to recognize individual differences. Individual-based models are of great use in the areas of aquatic ecology, terrestrial ecology, landscape or physiological ecology, terrestrial ecology, landscape or physiological ecology, and agriculture. This book discusses which biological problems individual-based models can solve, as well as the models' inherent limitations. It explores likely future directions of theoretical development in these models, as well as currently feasible management applications and the best mathematical approaches and computer languages to use. The book also details specific applications to theory and management.
Product Details :
Genre |
: Mathematics |
Author |
: D. L. DeAngelis |
Publisher |
: CRC Press |
Release |
: 2018-01-18 |
File |
: 577 Pages |
ISBN-13 |
: 9781351090360 |
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BOOK EXCERPT:
The evolution of observational instruments, simulation techniques, and computing power has given aquatic scientists a new understanding of biological and physical processes that span temporal and spatial scales. This has created a need for a single volume that addresses concepts of scale in a manner that builds bridges between experimentalists and
Product Details :
Genre |
: Science |
Author |
: Laurent Seuront |
Publisher |
: CRC Press |
Release |
: 2003-09-25 |
File |
: 624 Pages |
ISBN-13 |
: 9780203489550 |
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BOOK EXCERPT:
Model-driven individual-based forest ecology and individual-based methods in forest management are of increasing importance in many parts of the world. For the first time this book integrates three main fields of forest ecology and management, i.e. tree/plant interactions, biometry of plant growth and human behaviour in forests. Individual-based forest ecology and management is an interdisciplinary research field with a focus on how the individual behaviour of plants contributes to the formation of spatial patterns that evolve through time. Key to this research is a strict bottom-up approach where the shaping and characteristics of plant communities are mostly the result of interactions between plants and between plants and humans. This book unites important methods of individual-based forest ecology and management from point process statistics, individual-based modelling, plant growth science and behavioural statistics. For ease of access, better understanding and transparency the methods are accompanied by R code and worked examples.
Product Details :
Genre |
: Technology & Engineering |
Author |
: Arne Pommerening |
Publisher |
: Springer Nature |
Release |
: 2019-09-17 |
File |
: 417 Pages |
ISBN-13 |
: 9783030245283 |
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BOOK EXCERPT:
This open access book shows how to use sensitivity analysis in demography. It presents new methods for individuals, cohorts, and populations, with applications to humans, other animals, and plants. The analyses are based on matrix formulations of age-classified, stage-classified, and multistate population models. Methods are presented for linear and nonlinear, deterministic and stochastic, and time-invariant and time-varying cases. Readers will discover results on the sensitivity of statistics of longevity, life disparity, occupancy times, the net reproductive rate, and statistics of Markov chain models in demography. They will also see applications of sensitivity analysis to population growth rates, stable population structures, reproductive value, equilibria under immigration and nonlinearity, and population cycles. Individual stochasticity is a theme throughout, with a focus that goes beyond expected values to include variances in demographic outcomes. The calculations are easily and accurately implemented in matrix-oriented programming languages such as Matlab or R. Sensitivity analysis will help readers create models to predict the effect of future changes, to evaluate policy effects, and to identify possible evolutionary responses to the environment. Complete with many examples of the application, the book will be of interest to researchers and graduate students in human demography and population biology. The material will also appeal to those in mathematical biology and applied mathematics.
Product Details :
Genre |
: Social Science |
Author |
: Hal Caswell |
Publisher |
: Springer |
Release |
: 2019-04-02 |
File |
: 308 Pages |
ISBN-13 |
: 9783030105341 |
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BOOK EXCERPT:
Individual-based models are an exciting and widely used new tool for ecology. These computational models allow scientists to explore the mechanisms through which population and ecosystem ecology arises from how individuals interact with each other and their environment. This book provides the first in-depth treatment of individual-based modeling and its use to develop theoretical understanding of how ecological systems work, an approach the authors call "individual-based ecology.? Grimm and Railsback start with a general primer on modeling: how to design models that are as simple as possible while still allowing specific problems to be solved, and how to move efficiently through a cycle of pattern-oriented model design, implementation, and analysis. Next, they address the problems of theory and conceptual framework for individual-based ecology: What is "theory"? That is, how do we develop reusable models of how system dynamics arise from characteristics of individuals? What conceptual framework do we use when the classical differential equation framework no longer applies? An extensive review illustrates the ecological problems that have been addressed with individual-based models. The authors then identify how the mechanics of building and using individual-based models differ from those of traditional science, and provide guidance on formulating, programming, and analyzing models. This book will be helpful to ecologists interested in modeling, and to other scientists interested in agent-based modeling.
Product Details :
Genre |
: Science |
Author |
: Volker Grimm |
Publisher |
: Princeton University Press |
Release |
: 2013-11-28 |
File |
: 445 Pages |
ISBN-13 |
: 9781400850624 |
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BOOK EXCERPT:
The present biodiversity crisis is rife with opportunities to make important conservation decisions; however, the misuse or misapplication of the methods and techniques of animal ecology can have serious consequences for the survival of species. Still, there have been relatively few critical reviews of methodology in the field. This book provides an analysis of some of the most frequently used research techniques in animal ecology, identifying their limitations and misuses, as well as possible solutions to avoid such pitfalls. In the process, contributors to this volume present new perspectives on the collection, analysis, and interpretation of data. Research Techniques in Animal Ecology is an overarching account of central theoretical and methodological controversies in the field, rather than a handbook on the minutiae of techniques. The editors have forged comprehensive presentations of key topics in animal ecology, such as territory and home range estimates, habitation evaluation, population viability analysis, GIS mapping, and measuring the dynamics of societies. Striking a careful balance, each chapter begins by assessing the shortcomings and misapplications of the techniques in question, followed by a thorough review of the current literature, and concluding with possible solutions and suggested guidelines for more robust investigations.
Product Details :
Genre |
: Science |
Author |
: Luigi Boitani |
Publisher |
: Columbia University Press |
Release |
: 2000-06-01 |
File |
: 668 Pages |
ISBN-13 |
: 9780231501392 |
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BOOK EXCERPT:
A user-friendly introduction to the methodology of plant population ecology research.
Product Details :
Genre |
: Nature |
Author |
: David J. Gibson |
Publisher |
: Oxford University Press, USA |
Release |
: 2015 |
File |
: 319 Pages |
ISBN-13 |
: 9780199671472 |
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BOOK EXCERPT:
Product Details :
Genre |
: Science |
Author |
: Luís Borda-de-Água |
Publisher |
: Frontiers Media SA |
Release |
: 2022-02-18 |
File |
: 209 Pages |
ISBN-13 |
: 9782889744244 |
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BOOK EXCERPT:
This book explores the latest ideas about landscapes as they apply to mammalian ecology and conservation. The Contributors examine mammalian field studies and experimental model systems to landscape ecology, and then present data on the use of such experimental protocols. With its international perspective and incisive coverage, this volume will be an essential resource for anyone concerned with mammalian and landscape ecology.
Product Details :
Genre |
: Nature |
Author |
: William Zander Lidicker |
Publisher |
: U of Minnesota Press |
Release |
: 1995 |
File |
: 240 Pages |
ISBN-13 |
: 0816625875 |
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BOOK EXCERPT:
Product Details :
Genre |
: Aquatic ecology |
Author |
: Jamie Donn Anderson |
Publisher |
: |
Release |
: 2000 |
File |
: 452 Pages |
ISBN-13 |
: UCAL:X60722 |