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Distribution of spiders in coastal grey dunes: spatial patterns and evolutionary-ecological importance of dispersal
Bonte, D. (2005). Distribution of spiders in coastal grey dunes: spatial patterns and evolutionary-ecological importance of dispersal, in: Mees, J. et al. VLIZ Young Scientists' Day, Brugge, Belgium 25 February 2005: book of abstracts. VLIZ Special Publication, 20: pp. 6-10
In: Mees, J.; Seys, J. (Ed.) (2005). VLIZ Young Scientists' Day, Brugge, Belgium 25 February 2005: book of abstracts. VLIZ Special Publication, 20. Vlaams Instituut voor de Zee (VLIZ): Oostende. X, 129 pp., more
In: VLIZ Special Publication. Vlaams Instituut voor de Zee (VLIZ): Oostende. ISSN 1377-0950, more

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Document type: Summary

Keywords
    Biological phenomena > Evolution
    Dispersion
    Distribution
    Ecological zonation
    Spatial variations
    Spiders
    Spiders
    Topographic features > Beach features > Dunes
    ANE, Belgium, Belgian Coast [Marine Regions]
    Terrestrial

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Abstract
    Dispersal is crucial in structuring species distribution, population structure and species ranges at large geographical scales or within local patchily distributed populations. The knowledge of dispersal evolution, motivation, its effect on metapopulation dynamics and species distribution at multiple scales is poorly understood and many questions remain unsolved or require empirical verification. In this thesis we contribute to the knowledge of dispersal, by studying both ecological and evolutionary aspects of spider dispersal in fragmented grey dunes. Studies were performed at the individual, population and assemblage level and indicate that behavioural traits narrowly linked to dispersal, considerably show [adaptive] variation in function of habitat quality and geometry. Dispersal also determines spider distribution patterns and metapopulation dynamics. Consequently, our results stress the need to integrate knowledge on behavioural ecology within the study of ecological landscapes.

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