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dc.contributor.authorWarren, Victoria E.
dc.contributor.authorMarques, Tiago A.
dc.contributor.authorHarris, Danielle
dc.contributor.authorThomas, Len
dc.contributor.authorTyack, Peter L.
dc.contributor.authorAguilar de Soto, Natacha
dc.contributor.authorHickmott, Leigh S.
dc.contributor.authorJohnson, Mark P.
dc.identifier.citationWarren , V E , Marques , T A , Harris , D , Thomas , L , Tyack , P L , Aguilar de Soto , N , Hickmott , L S & Johnson , M P 2017 , ' Spatio-temporal variation in click production rates of beaked whales : implications for passive acoustic density estimation ' , Journal of the Acoustical Society of America , vol. 141 , no. 3 , pp. 1962-1974 .
dc.identifier.otherPURE: 249748665
dc.identifier.otherPURE UUID: d340f5dd-784c-475d-9940-73a5f9c059dd
dc.identifier.otherScopus: 85016318013
dc.identifier.otherORCID: /0000-0002-7436-067X/work/32087325
dc.identifier.otherORCID: /0000-0002-2581-1972/work/56861275
dc.identifier.otherWOS: 000398962500081
dc.identifier.otherORCID: /0000-0002-8409-4790/work/60887930
dc.identifier.otherORCID: /0000-0003-1447-1420/work/61370039
dc.descriptionT.A.M. was funded under Grant No. N000141010382 from the Office of Naval Research (LATTE project) and thanks support by CEAUL (funded by FCT - Fundação para a Ciência e a Tecnologia, Portugal, through the project UID/MAT/00006/2013). M.P.J. was funded by a Marie Curie Career Integration Grant and M.P.J. and P.L.T. were funded by MASTS (The Marine Alliance for Science and Technology for Scotland, a research pooling initiative funded by the Scottish Funding Council under grant HR09011 and contributing institutions). L.S.H. thanks the BRS Bahamas team that helped collect the Bahamas data, and A. Bocconcelli. D.H. and L.T. were funded by the Office of Naval Research (Award No. N00014-14-1-0394). N.A.S. was funded by an EU-Horizon 2020 Marie Slodowska Curie fellowship (project ECOSOUND). DTAG data in the Canary Islands were collected with funds from the U.S. Office of Naval Research and Fundación Biodiversidad (EU project LIFE INDEMARES) with permit from the Canary Islands and Spanish governments.en
dc.description.abstractPassive acoustic monitoring has become an increasingly prevalent tool for estimating density of marine mammals, such as beaked whales, which vocalize often but are difficult to survey visually. Counts of acoustic cues (e.g., vocalizations), when corrected for detection probability, can be translated into animal density estimates by applying an individual cue production rate multiplier. It is essential to understand variation in these rates to avoid biased estimates. The most direct way to measure cue production rate is with animal-mounted acoustic recorders. This study utilized data from sound recording tags deployed on Blainville's (Mesoplodon densirostris, 19 deployments) and Cuvier's (Ziphius cavirostris, 16 deployments) beaked whales, in two locations per species, to explore spatial and temporal variation in click production rates. No spatial or temporal variation was detected within the average click production rate of Blainville's beaked whales when calculated over dive cycles (including silent periods between dives); however, spatial variation was detected when averaged only over vocal periods. Cuvier's beaked whales exhibited significant spatial and temporal variation in click production rates within vocal periods and when silent periods were included. This evidence of variation emphasizes the need to utilize appropriate cue production rates when estimating density from passive acoustic data.
dc.relation.ispartofJournal of the Acoustical Society of Americaen
dc.rights© 2017, Acoustical Society of America. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at /
dc.subjectGC Oceanographyen
dc.subjectQH301 Biologyen
dc.subjectArts and Humanities (miscellaneous)en
dc.subjectAcoustics and Ultrasonicsen
dc.titleSpatio-temporal variation in click production rates of beaked whales : implications for passive acoustic density estimationen
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews.School of Mathematics and Statisticsen
dc.contributor.institutionUniversity of St Andrews.Scottish Oceans Instituteen
dc.contributor.institutionUniversity of St Andrews.Centre for Research into Ecological & Environmental Modellingen
dc.contributor.institutionUniversity of St Andrews.Sea Mammal Research Uniten
dc.contributor.institutionUniversity of St Andrews.Statisticsen
dc.contributor.institutionUniversity of St Andrews.Marine Alliance for Science & Technology Scotlanden
dc.contributor.institutionUniversity of St Andrews.School of Biologyen
dc.contributor.institutionUniversity of St Andrews.Centre for Social Learning & Cognitive Evolutionen
dc.contributor.institutionUniversity of St Andrews.Sound Tags Groupen
dc.contributor.institutionUniversity of St Andrews.Bioacoustics groupen
dc.description.statusPeer revieweden

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