Satellite Tagging and Biopsy Sampling of Killer Whales at Subantarctic Marion Island: Effectiveness, Immediate Reactions and Long-Term Responses

Simple item page
dc.contributor.authorReisinger, Ryan Ren_ZA
dc.contributor.authorOosthuizen, W Chrisen_ZA
dc.contributor.authorPéron, Guillaumeen_ZA
dc.contributor.authorToussaint, Dawn Coryen_ZA
dc.contributor.authorAndrews, Russel Den_ZA
dc.contributor.authorde Bruyn, P J Nicoen_ZA
dc.date.accessioned2015-12-28T06:50:44Z
dc.date.available2015-12-28T06:50:44Z
dc.date.issued2014en_ZA
dc.description.abstractRemote tissue biopsy sampling and satellite tagging are becoming widely used in large marine vertebrate studies because they allow the collection of a diverse suite of otherwise difficult-to-obtain data which are critical in understanding the ecology of these species and to their conservation and management. Researchers must carefully consider their methods not only from an animal welfare perspective, but also to ensure the scientific rigour and validity of their results. We report methods for shore-based, remote biopsy sampling and satellite tagging of killer whales Orcinus orca at Subantarctic Marion Island. The performance of these methods is critically assessed using 1) the attachment duration of low-impact minimally percutaneous satellite tags; 2) the immediate behavioural reactions of animals to biopsy sampling and satellite tagging; 3) the effect of researcher experience on biopsy sampling and satellite tagging; and 4) the mid- (1 month) and long- (24 month) term behavioural consequences. To study mid- and long-term behavioural changes we used multievent capture-recapture models that accommodate imperfect detection and individual heterogeneity. We made 72 biopsy sampling attempts (resulting in 32 tissue samples) and 37 satellite tagging attempts (deploying 19 tags). Biopsy sampling success rates were low (43%), but tagging rates were high with improved tag designs (86%). The improved tags remained attached for 26±14 days (mean ± SD). Individuals most often showed no reaction when attempts missed (66%) and a slight reaction-defined as a slight flinch, slight shake, short acceleration, or immediate dive-when hit (54%). Severe immediate reactions were never observed. Hit or miss and age-sex class were important predictors of the reaction, but the method (tag or biopsy) was unimportant. Multievent trap-dependence modelling revealed considerable variation in individual sighting patterns; however, there were no significant mid- or long-term changes following biopsy sampling or tagging.en_ZA
dc.identifier.apacitationReisinger, R. R., Oosthuizen, W. C., Péron, G., Toussaint, D. C., Andrews, R. D., & de Bruyn, P. J. N. (2014). Satellite Tagging and Biopsy Sampling of Killer Whales at Subantarctic Marion Island: Effectiveness, Immediate Reactions and Long-Term Responses. <i>PLoS One</i>, http://hdl.handle.net/11427/16064en_ZA
dc.identifier.chicagocitationReisinger, Ryan R, W Chris Oosthuizen, Guillaume Péron, Dawn Cory Toussaint, Russel D Andrews, and P J Nico de Bruyn "Satellite Tagging and Biopsy Sampling of Killer Whales at Subantarctic Marion Island: Effectiveness, Immediate Reactions and Long-Term Responses." <i>PLoS One</i> (2014) http://hdl.handle.net/11427/16064en_ZA
dc.identifier.citationReisinger, R. R., Oosthuizen, W. C., Péron, G., Toussaint, D. C., Andrews, R. D., & de Bruyn, P. N. (2014). Satellite Tagging and Biopsy Sampling of Killer Whales at Subantarctic Marion Island: Effectiveness, Immediate Reactions and Long-Term Responses, PLoS ONE 9(11), e111835. doi:10.1371/journal.pone.0111835en_ZA
dc.identifier.ris TY - Journal Article AU - Reisinger, Ryan R AU - Oosthuizen, W Chris AU - Péron, Guillaume AU - Toussaint, Dawn Cory AU - Andrews, Russel D AU - de Bruyn, P J Nico AB - Remote tissue biopsy sampling and satellite tagging are becoming widely used in large marine vertebrate studies because they allow the collection of a diverse suite of otherwise difficult-to-obtain data which are critical in understanding the ecology of these species and to their conservation and management. Researchers must carefully consider their methods not only from an animal welfare perspective, but also to ensure the scientific rigour and validity of their results. We report methods for shore-based, remote biopsy sampling and satellite tagging of killer whales Orcinus orca at Subantarctic Marion Island. The performance of these methods is critically assessed using 1) the attachment duration of low-impact minimally percutaneous satellite tags; 2) the immediate behavioural reactions of animals to biopsy sampling and satellite tagging; 3) the effect of researcher experience on biopsy sampling and satellite tagging; and 4) the mid- (1 month) and long- (24 month) term behavioural consequences. To study mid- and long-term behavioural changes we used multievent capture-recapture models that accommodate imperfect detection and individual heterogeneity. We made 72 biopsy sampling attempts (resulting in 32 tissue samples) and 37 satellite tagging attempts (deploying 19 tags). Biopsy sampling success rates were low (43%), but tagging rates were high with improved tag designs (86%). The improved tags remained attached for 26±14 days (mean ± SD). Individuals most often showed no reaction when attempts missed (66%) and a slight reaction-defined as a slight flinch, slight shake, short acceleration, or immediate dive-when hit (54%). Severe immediate reactions were never observed. Hit or miss and age-sex class were important predictors of the reaction, but the method (tag or biopsy) was unimportant. Multievent trap-dependence modelling revealed considerable variation in individual sighting patterns; however, there were no significant mid- or long-term changes following biopsy sampling or tagging. DA - 2014 DB - OpenUCT DO - 10.1371/journal.pone.0111835 DP - University of Cape Town J1 - PLoS One LK - https://open.uct.ac.za PB - University of Cape Town PY - 2014 T1 - Satellite Tagging and Biopsy Sampling of Killer Whales at Subantarctic Marion Island: Effectiveness, Immediate Reactions and Long-Term Responses TI - Satellite Tagging and Biopsy Sampling of Killer Whales at Subantarctic Marion Island: Effectiveness, Immediate Reactions and Long-Term Responses UR - http://hdl.handle.net/11427/16064 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/16064
dc.identifier.urihttp://dx.doi.org/10.1371/journal.pone.0111835
dc.identifier.vancouvercitationReisinger RR, Oosthuizen WC, Péron G, Toussaint DC, Andrews RD, de Bruyn PJN. Satellite Tagging and Biopsy Sampling of Killer Whales at Subantarctic Marion Island: Effectiveness, Immediate Reactions and Long-Term Responses. PLoS One. 2014; http://hdl.handle.net/11427/16064.en_ZA
dc.language.isoengen_ZA
dc.publisherPublic Library of Scienceen_ZA
dc.publisher.departmentDepartment of Statistical Sciencesen_ZA
dc.publisher.facultyFaculty of Scienceen_ZA
dc.publisher.institutionUniversity of Cape Town
dc.rightsThis is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.en_ZA
dc.rights.holder© 2014 Reisinger et alen_ZA
dc.rights.urihttp://creativecommons.org/licenses/by/4.0en_ZA
dc.sourcePLoS Oneen_ZA
dc.source.urihttp://journals.plos.org/plosoneen_ZA
dc.subject.otherBiopsyen_ZA
dc.subject.otherKiller whalesen_ZA
dc.subject.otherMarine mammalsen_ZA
dc.subject.otherBehavioren_ZA
dc.subject.otherAnimal behavioren_ZA
dc.subject.otherRight whalesen_ZA
dc.subject.otherHumpback whalesen_ZA
dc.subject.otherWildlifeen_ZA
dc.titleSatellite Tagging and Biopsy Sampling of Killer Whales at Subantarctic Marion Island: Effectiveness, Immediate Reactions and Long-Term Responsesen_ZA
dc.typeJournal Articleen_ZA
uct.type.filetypeText
uct.type.filetypeImage
uct.type.publicationResearchen_ZA
uct.type.resourceArticleen_ZA
Files
Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
Reisinger_Satellite_Tagging_and_Biopsy_Sampling_2014.pdf
Size:
2.81 MB
Format:
Adobe Portable Document Format
Description:
Download
Collections
Journal Articles