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Edited and authored by top international scientists in this area
Reconciles theoretical models with the latest data on population dynamics
Develops new models for identifying factors and processes that change abundance .
Informationen zum Autor Norman Owen-Smith has a special interest in the behavioural and population ecology of large mammalian herbivores. After obtaining his PhD for a study of white rhinos through the University of Wisconsin, he held appointments at the universities of Pretoria and Zimbabwe before settling into a position at the University of the Witwatersrand, where he headed the Centre for African Ecology. Klappentext This book aims to reconcile theoretical models of population dynamics with what is currently known about the population dynamics of large mammalian herbivores. It arose from a working group established at the National Center for Ecological Analysis and Synthesis at the University of California, Santa Barbara, to address the need for models that better accommodate environmental variability, especially for herbivores dependent on changing vegetation resources. The initial chapter reviews findings from definitive long-term studies of certain other ungulate populations, many based on individually identifiable animals. Other chapters cover climatic influences, emphasising temperate versus tropical contrasts, and demographic processes underlying population dynamics, more generally. There are new assessments of irruptive population dynamics, and of the consequences of landscape heterogeneity for herbivore populations. An initial review of candidate population models is followed up by a final chapter outlining how these models might be modified to better accommodate environmental variability. The contents provide a foundation for resolving problems of diminishing large mammal populations in Africa, over-abundant ungulate populations elsewhere, and general consequences of global change for biodiversity conservation. This book will serve as a definitive outline of what is currently known about the population dynamics of large herbivores. Zusammenfassung Edited and authored by top international scientists in this area Reconciles theoretical models with the latest data on population dynamics Develops new models for identifying factors and processes that change abundance. Inhaltsverzeichnis ContributorsPreface1 Definitive case studiesNorman Owen-Smith and Jason P. Marshal1.1 Red deer on Rum1.2 Soay sheep on Hirta1.3 Roe deer in France1.4 Bighorn sheep in Alberta1.5 Kudu in Kruger1.6 Wildebeest in Serengeti1.7 Moose on Isle Royale1.8 Elk in North Yellowstone1.9 OverviewAcknowledgmentsReferences2 The suite of population modelsNorman Owen-Smith2.1 Models of density dependence2.2 Autoregressive time-series models2.3 Age- or stage-structured models2.4 Trophic interaction models2.5 Physiological or metaphysiological models2.6 Models accommodating spatial structure2.7 Individual-based models2.8 OverviewAcknowledgmentsReferences3 Climatic influences: temperate-tropical contrastsNorman Owen-Smith3.1 Temperate environments3.2 Tropical and subtropical environments3.3 Effects of predation and hunting3.4 Overall assessmentAcknowledgmentsReferences4 Demographic processes: lessons from long-term, individual-based studiesJean-Michel Gaillard, Tim Coulson and Marco Festa-Bianchet4.1 Life history of large herbivores: a brief review4.2 Differential contributions of demographic parameters to population growth4.3 Climatic variation, density-dependence,andindividual variability4.4 Conclusions:howcanfutureanalysesof largeherbivoredemography deal with complex demographic processes?AcknowledgmentsReferences5 Irruptive dynamics and vegetation interactionsJohn E. Gross, Iain J. Gordon and Norman Owen-Smith5.1 Models of herbivore-vegetation interactions5.2 Examples of irruptive dynamics5.3 Effects of irruptions on vegetation5.4 Changing perspectives5.5 Synthesis5.6 Implications for conservation and managementAcknowledgmentsReferences6 How does landscape heterogeneity shape dynamics of large herbivore po...
Klappentext
This book aims to reconcile theoretical models of population dynamics with what is currently known about the population dynamics of large mammalian herbivores. It arose from a working group established at the National Center for Ecological Analysis and Synthesis at the University of California, Santa Barbara, to address the need for models that better accommodate environmental variability, especially for herbivores dependent on changing vegetation resources. The initial chapter reviews findings from definitive long-term studies of certain other ungulate populations, many based on individually identifiable animals. Other chapters cover climatic influences, emphasising temperate versus tropical contrasts, and demographic processes underlying population dynamics, more generally. There are new assessments of irruptive population dynamics, and of the consequences of landscape heterogeneity for herbivore populations. An initial review of candidate population models is followed up by a final chapter outlining how these models might be modified to better accommodate environmental variability. The contents provide a foundation for resolving problems of diminishing large mammal populations in Africa, over-abundant ungulate populations elsewhere, and general consequences of global change for biodiversity conservation. This book will serve as a definitive outline of what is currently known about the population dynamics of large herbivores.
Zusammenfassung
Edited and authored by top international scientists in this area Reconciles theoretical models with the latest data on population dynamics Develops new models for identifying factors and processes that change abundance.
Inhalt
Contributors Preface 1 Definitive case studies Norman Owen-Smith and Jason P. Marshal 1.1 Red deer on Rum 1.2 Soay sheep on Hirta 1.3 Roe deer in France 1.4 Bighorn sheep in Alberta 1.5 Kudu in Kruger 1.6 Wildebeest in Serengeti 1.7 Moose on Isle Royale 1.8 Elk in North Yellowstone 1.9 Overview Acknowledgments References 2 The suite of population models Norman Owen-Smith 2.1 Models of density dependence 2.2 Autoregressive time-series models 2.3 Age- or stage-structured models 2.4 Trophic interaction models 2.5 Physiological or metaphysiological models 2.6 Models accommodating spatial structure 2.7 Individual-based models 2.8 Overview Acknowledgments References 3 Climatic influences: temperate-tropical contrasts Norman Owen-Smith 3.1 Temperate environments 3.2 Tropical and subtropical environments 3.3 Effects of predation and hunting 3.4 Overall assessment Acknowledgments References 4 Demographic processes: lessons from long-term, individual-based studies Jean-Michel Gaillard, Tim Coulson and Marco Festa-Bianchet 4.1 Life history of large herbivores: a brief review 4.2 Differential contributions of demographic parameters to population growth 4.3 Climatic variation, density-dependence,andindividual variability 4.4 Conclusions:howcanfutureanalysesof largeherbivoredemography deal with complex demographic processes? Acknowledgments References 5 Irruptive dynamics and vegetation interactions John E. Gross, Iain J. Gordon and Norman Owen-Smith 5.1 Models of herbivore-vegetation interactions 5.2 Examples of irruptive dynamics 5.3 Effects of irruptions on vegetation 5.4 Changing perspectives 5.5 Synthesis 5.6 Implications for conservation and management Acknowledgments References 6 How does landscape heterogeneity shape dynamics of large herbivore populations? N. Thompson Hobbs and Iain J. Gordon 6.1 What is spatial heterogeneity? 6.2 How does spatial heterogeneity influence ungulate population dynamics? 6.3 Mechanisms explaining the influence of spatial heterogeneity on population dynamics 6.4 Influences from high-quality resources 6.5 Influences from buffer resources 6.6 Global change and access to heterogeneity by large herbivore…