Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 356933
Title Moving to eat : animal foraging movements in a heterogeneous environment
Author(s) Hengeveld, G.M.
Source Wageningen University. Promotor(en): Herbert Prins, co-promotor(en): Frank van Langevelde. - [S.l.] : S.n. - ISBN 9789085047186 - 112
Department(s) Wildlife Ecology and Conservation
PE&RC
Publication type Dissertation, internally prepared
Publication year 2007
Keyword(s) foerageren - heterogeniteit - voedingsgedrag - ruimtelijke variatie - voedselopname - beweging - dieren - zoekgedrag - foraging - heterogeneity - feeding behaviour - spatial variation - food intake - movement - animals - searching behaviour
Categories Animal Behaviour and Ethology / Animal Ecology
Abstract Animals moving from one place to another transport seeds, parasites, genes and grazing pressure. Insight in the spatial linkage between ecological processes can be gained from understanding the driving forces behind animal movement patterns. From this understanding predictions can be made about which patterns are most likely to be encountered. This thesis addresses the role of foraging in animal movement. Central is the study of the searching efficiency and diffusion of Lévy random searches, both through computer simulations and experiments with goats and ring doves. These computer simulations show that the interactions with targets are crucial in optimising Lévy random searches. Additionally, predictions are made about which foraging decisions animals should make in order to optimise their intake of several nutrients. Finally it is shown how different movement patterns can be incorporated in mean-field approaches of ecology.
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