Movement behaviour of the carabid beetle Pterostichus melanarius in crops and at a habitat interface explains patterns of population redistribution in the field

DOI

Animals may respond to habitat quality and habitat edges and these responses may affect their distribution between habitats. We studied the movement behaviour of a ground-dwelling generalist predator, the carabid beetle Pterostichus melanarius (Illiger). We performed a mark-recapture experiment in two adjacent habitats; a large plot with oilseed radish (Raphanus sativus) and a plot with rye (Secale cereale). We used model selection to identify a minimal model representing the mark-recapture data, and determine whether habitat-specific motility and boundary behaviour affected population redistribution. We determined movement characteristics of P. melanarius in laboratory arenas with the same plant species using video recording.Both the field and arena results showed preference behaviour of P. melanarius at the habitat interface. In the field, significantly more beetles moved from rye to oilseed radish than from radish to rye. In the arena, habitat entry was more frequent into oilseed radish than into rye. In the field, movement was best described by a Fokker-Planck diffusion model that contained preference behaviour at the interface and did not account for habitat specific motility. Likewise, motility calculated from movement data using the Patlak model was not different between habitats in the arena studies. Motility [m2 d-1] calculated from behavioural data resulted in estimates that were similar to those determined in the field. Thus individual behaviour explained population redistribution in the field qualitatively as well as quantitatively. The findings provide a basis for evaluating movement within and across habitats in complex agricultural landscapes with multiple habitats and habitat interfaces.

Date Submitted: 2014-11-24

Manuscript has been submitted.The zip-file 'track.zip' in the folder Arena data > Track files contains all .xls beetle track files in one download.

Identifier
DOI https://doi.org/10.17026/dans-xds-9j4g
Metadata Access https://lifesciences.datastations.nl/oai?verb=GetRecord&metadataPrefix=oai_datacite&identifier=doi:10.17026/dans-xds-9j4g
Provenance
Creator A.B. Allema
Publisher DANS Data Station Life Sciences
Contributor Data Librarian; W. van der Werf (Wageningen UR, Centre for Crop Systems Analysis); J.C. van Lenteren (Wageningen UR, Department of Entomology); L. Hemerik (Wageningen UR, Leerstoelgroep Wiskundige en statistische methoden); W.A.H. Rossing (Wageningen UR, Leerstoelgroep Farming Systems Ecology); Wageningen UR (WUR), Farming Systems Ecology
Publication Year 2014
Rights CC0 1.0; info:eu-repo/semantics/openAccess; http://creativecommons.org/publicdomain/zero/1.0
OpenAccess true
Contact Data Librarian (Wageningen UR)
Representation
Resource Type Dataset
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Version 2.0
Discipline Earth and Environmental Science; Environmental Research; Geosciences; Life Sciences; Medicine; Natural Sciences