This book presents current meta-ecosystem models and their derivation from classical ecosystem and metapopulation theories. Specifically, it reviews recent modelling efforts that have emphasized the role of nonlinear dynamics on spatial and food web networks, and which have cast their implications within the context of spatial synchrony and ecological stoichiometry. It suggests that these recent advances naturally lead to a generalization of meta-ecosystem theories to spatial fluxes of matter that have both a trophic and non-trophic impact on species. Ecosystem dynamics refers to the cycling of matter and energy across ecological compartments through processes such as consumption and recycling. Spatial dynamics established its ecological roots with metapopulation theories and focuses on scaling up local ecological processes through the limited movement of individuals and matter. Over the last 15 years, theories integrating ecosystem and spatial dynamics have quickly coalesced into meta-ecosystem theories, the focus of this book. The book will be of interest to graduate students and researchers who wish to learn more about the synthesis of ecosystem and spatial dynamics, which form the foundation of the theory of meta-ecosystems.
This book presents current meta-ecosystem models and their derivation from classical ecosystem and metapopulation theories. Specifically, it reviews recent modelling efforts that have emphasized the role of nonlinear dynamics on spatial and food web networks, and which have cast their implications within the context of spatial synchrony and ecological stoichiometry. It suggests that these recent advances naturally lead to a generalization of meta-ecosystem theories to spatial fluxes of matter that have both a trophic and non-trophic impact on species. Ecosystem dynamics refers to the cycling of matter and energy across ecological compartments through processes such as consumption and recycling. Spatial dynamics established its ecological roots with metapopulation theories and focuses on scaling up local ecological processes through the limited movement of individuals and matter. Over the last 15 years, theories integrating ecosystem and spatial dynamics have quickly coalesced into meta-ecosystem theories, the focus of this book. The book will be of interest to graduate students and researchers who wish to learn more about the synthesis of ecosystem and spatial dynamics, which form the foundation of the theory of meta-ecosystems.
Contents include: Introduction ( K Walsh ); Palynology ( S Bottema ); A database for the palynological recording of human activity ( V Andrieu, E Brugiapaglia, R Cheddadi, M Reille and J-L de Beaulieu ); The contribution of anthracology ( J-L Vernet ); Dendroclimatology ( F Guibal ); Techniques in Landscape Archaeology ( A G Brown ); L'apport de la micromorphologie des sols ( N Fédoroff ); Reconstructing past soil environments ( R S Shiel ); The Geochemistry of Soil Sediments ( D D Gilbertson and J P Grattam ); Searching the Ports of Troy ( E Zanagger, M Timpson, S Yazvenko and H Leiermann ); The pontine region in central Italy ( P Attema, J Delvigne and B J Haagsma ); Population pressure on agricultural resources in Karstic landscapes ( P Novacovic, H Simoni and B Music ); La Pianura padana centrale tra il Bronzo Medio ed il Bronzo finale ( M Cremaschi ); The ancient ports of Marseille and Fos, Provence, southern France ( C Vella, C Morhange and M Provansal ); The evolution of field systems in the middle Rhône valley ( J-F Berger and C Jung ); La línea de Costa en época histórica en el Golfo de Valencia ( P Carmona ); The Vallée des Baux, Southern France ( P Leveau ); The étang de Berre, southern France ( F Trément ); Geoarchaeology in mediterranean landscape archaeology ( G Barker and J Bintliff ).
The purpose of this book is to offer an overview of the most popular domain decomposition methods for partial differential equations (PDEs). These methods are widely used for numerical simulations in solid mechanics, electromagnetism, flow in porous media, etc., on parallel machines from tens to hundreds of thousands of cores. The appealing feature of domain decomposition methods is that, contrary to direct methods, they are naturally parallel. The authors focus on parallel linear solvers. The authors present all popular algorithms, both at the PDE level and at the discrete level in terms of matrices, along with systematic scripts for sequential implementation in a free open-source finite element package as well as some parallel scripts. Also included is a new coarse space construction (two-level method) that adapts to highly heterogeneous problems.?
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