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Stability and Complexity in Model Ecosystems
Robert M. May,N. MacDonald +1 more
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Preface vii Preface to the Second Edition Biology Edition 1.Abstract:
Preface vii Preface to the Second Edition Biology Edition 1. Intoduction 3 2. Mathematical Models and Stability 13 3. Stability versus Complexity in Multispecies Models 4. Models with Few Species: Limit Cycles and Time Delays 79 5. Randomly Fluctuating Environments 109 6. Niche Overlap and Limiting Similarity 139 7. Speculations 172 Appendices 187 Afterthoughts for the Second Edition 211 Bibliography to Afterthoghts 234 Bibliography 241 Author Index 259 Subject Index 263read more
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Extinction cascades and catastrophe in ancient food webs
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Mathematical Models in the Economics of Renewable Resources
TL;DR: In this paper, three classes of models of renewable resource economics are discussed: profit-maximizing models, competitive equilibrium models, and cooperative equilibrium models; a variety of complexities, both biological and economic, are also discussed, including irreversibility problems, disaggregated biological models, delay effects, and stochastic models.
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A class of nonlinear diffusion problems in age-dependent population dynamics☆
Stavros Busenberg,Mimmo Iannelli +1 more
TL;DR: In this article, the authors considered a general form of the nonlinear diffusion mechanism and developed a method for establishing the existence and uniqueness of solutions of the resulting equations. And they also described the asymptotic behavior of the solutions when the time variable becomes large, and applied their results to some specific examples.
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Commercial forest fertilization causes long-term residual effects in ground vegetation of boreal forests
Joachim Strengbom,Annika Nordin +1 more
TL;DR: In this paper, the effects of forest fertilization on ground vegetation in boreal forest by comparing species composition in unfertilized stands and stands fertilized twice (>20 years since the last fertilization) with 150 kg N −1 per event.