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Provedor de dados:  ArchiMer
País:  France
Título:  Qualitative modelling of functional relationships in marine benthic communities
Autores:  Alexandridis, Nikolaos
Dambacher, Jeffrey M.
Jean, Fred
Desroy, Nicolas
Bacher, Cedric
Data:  2017-09
Ano:  2017
Palavras-chave:  Benthic macroinvertebrates
Biological traits
Biotic interactions
Community assembly
Functional groups
Qualitative modelling
Resumo:  In order to better understand and predict the dynamics of benthic macroinvertebrate communities, we need to first define the functional components of benthic biodiversity and then provide a mechanistic description of how they interact with their abiotic environment, their basic resources and each other. These interactions should be largely controlled by readily available biological traits, making trait-based modelling an ideal framework for the synthesis of relevant hypotheses from ecological theory and expert knowledge. With the help of benthic species traits, we derived a set of first principles regarding the role of organisms in processes of environmental filtering, consumption of algae/detritus, predation, use of space, biogenic habitat modification and trade-offs in the utilization and allocation of resources. These principles were incorporated into qualitative models in the form of functional relationships linking groups of benthic organisms in the Rance estuary (Brittany, France). The general stability of these models illustrates their potential to persist in time and to constitute a plausible representation of the natural world. Their structure provides insight into the role of various community assembly mechanisms and the direction that the system might take in response to perturbations. The results are expected to inform the development of quantitative models reproducing the spatial and temporal dynamics of marine benthic biodiversity in the Rance estuary.
Tipo:  Text
Idioma:  Inglês

Editor:  Elsevier Science Bv
Formato:  application/pdf
Fonte:  Ecological Modelling (0304-3800) (Elsevier Science Bv), 2017-09 , Vol. 360 , P. 300-312
Direitos:  2017 Elsevier B.V. All rights reserved.


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