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Reference: Ellwood, SA, Newman, C, Montgomery, RA et al., (2017). An Active-Radio-Frequency-Identification system capable of identifying co-locations and social-structure: validation with a wild free-ranging animal. Methods in Ecology and Evolution.Citable link to this page:

 

An Active-Radio-Frequency-Identification system capable of identifying co-locations and social-structure: validation with a wild free-ranging animal

Abstract: Behavioural events that are important for understanding sociobiology and movement ecology are often rare, transient and localised, but can occur at spatially distant sites e.g. territorial incursions and co-locating individuals. Existing animal tracking technologies, capable of detecting such events, are limited by one or more of: battery life; data resolution; location accuracy; data security; ability to co-locate individuals both spatially and temporally. Technology that at least partly resolves these limitations would be advantageous. European badgers (Meles meles L.), present a challenging test-bed, with extra-group paternity (apparent from genotyping) contradicting established views on rigid group territoriality with little social-group mixing. In a proof of concept study we assess the utility of a fully automated Active-Radio-Frequency-Identification (aRFID) system combining badger-borne aRFID-tags with static, wirelessly-networked, aRFID-detector base-stations to record badger co-locations at setts (burrows) and near notional border latrines. We summarise the time badgers spent co-locating within and between social-groups, applying network analysis to provide evidence of co-location based community structure, at both these scales. The aRFID system co-located animals within 31.5 m (adjustable) of base-stations. Efficient radio transmission between aRFIDs and base-stations enables a 20 g tag to last for 2-5 years (depending on transmission interval). Data security was high (data stored off tag), with remote access capability. Badgers spent most co-location time with members of their own social-groups at setts; remaining co-location time was divided evenly between intra- and inter-social-group co-locations near latrines and inter-social-group co-locations at setts.Network analysis showed that 20-100% of tracked badgers engaged in inter-social-group mixing per week, with evidence of trans-border super-groups, i.e., badgers frequently transgressed notional territorial borders. aRFID occupies a distinct niche amongst established tracking technologies. We validated the utility of aRFID to identify co-locations, social-structure and inter- group mixing within a wild badger population, leading us to refute the conventional view that badgers (social-groups) are territorial and to question management strategies, for controlling bovine TB, based on this model. Ultimately aRFID proved a versatile system capable of identifying social-structure at the landscape scale, operating for years and suitable for use with a range of species.

Publication status:PublishedPeer Review status:Peer reviewedVersion:Publisher's versionDate of acceptance:2017-05-29 Funder: Engineering and Physical Sciences Research Council   Funder: People's Trust for Endangered Species   Notes:This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Bibliographic Details

Publisher: Wiley

Publisher Website: http://eu.wiley.com/WileyCDA/

Journal: Methods in Ecology and Evolutionsee more from them

Publication Website: http://besjournals.onlinelibrary.wiley.com/hub/journal/10.1111/(ISSN)2041-210X/

Issue Date: 2017-07-17Identifiers

Doi: https://doi.org/10.1111/2041-210X.12839

Issn: 2041-210X

Uuid: uuid:4f603603-ab66-4bca-ae8d-c77defd46df7

Urn: uri:4f603603-ab66-4bca-ae8d-c77defd46df7

Pubs-id: pubs:702058 Item Description

Type: journal-article;

Version: Publisher's versionKeywords: European badger co-location Meles meles network analysis RFID social-group sociobiology territory tracking wildlife management

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Autor: Ellwood, SA - Oxford, MPLS, Zoology - - - Newman, C - Oxford, MPLS, Zoology - - - Montgomery, RA - Oxford, MPLS, Zoology - - - Ni

Fuente: https://ora.ox.ac.uk/objects/uuid:4f603603-ab66-4bca-ae8d-c77defd46df7



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