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dc.contributor.authorKuit, Sui Hyang
dc.contributor.authorPonnampalam, Louisa Shobhini
dc.contributor.authorHammond, Philip S.
dc.contributor.authorChong, Ving Ching
dc.contributor.authorThen, Amy Yee-Hui
dc.identifier.citationKuit , S H , Ponnampalam , L S , Hammond , P S , Chong , V C & Then , A Y-H 2021 , ' Abundance estimates of three cetacean species in the coastal waters of Matang Perak, Peninsular Malaysia ' , Aquatic Conservation: Marine and Freshwater Ecosystems , vol. 31 , no. 11 , pp. 3120-3132 .
dc.identifier.otherPURE: 275774633
dc.identifier.otherPURE UUID: 2e3ef8c4-2a5d-4cf9-8485-941ab948a8c7
dc.identifier.otherRIS: urn:D8F412623E1B035B36139E4A5FB45FCB
dc.identifier.otherORCID: /0000-0002-2381-8302/work/99804086
dc.identifier.otherWOS: 000692926700001
dc.identifier.otherScopus: 85114300123
dc.descriptionThis research was supported by funding from the University of Malaya Research Programme grant no. RP001F-13SUS, University of Malaya Postgraduate Research Fund no. PG040-2013B, and an Ocean Park Conservation Foundation Hong Kong grant (MM03-1314).en
dc.description.abstractThe paucity of baseline data on coastal cetaceans due to a lack of research in developing countries frequently precludes assessment of their status and informed management actions for conservation. This study provides the first abundance estimates of Indo-Pacific humpback dolphins, Irrawaddy dolphins, and Indo-Pacific finless porpoises in the coastal waters of Matang, Peninsular Malaysia. Boat-based surveys covering 1,152 km2 of coastal waters with 4,108 km of survey effort were conducted between 2013 and 2016 to collect data for line transect analysis of Irrawaddy dolphins and finless porpoises. Photo-identification data of humpback dolphins were concurrently collected for mark-recapture analysis. Estimates of abundance from four sampling strata totalled 763 Irrawaddy dolphins (CV = 13%, 95% confidence interval (CI) [588, 990]) and 600 Indo-Pacific finless porpoises (CV = 27%, 95% CI [354, 1,016]). The annual abundance estimates of humpback dolphins ranged between 171 (95% CI [148, 208]) in 2014?2015 and 81 (95% CI [67, 98]) in 2015?2016, likely due to the presence of offshore individuals that moved in and out of the study area. The estuarine strata were inhabited by 68 (95% CI [63, 73]) inshore humpback dolphins in 2013?2014 to 87 (95% CI [78, 97]) dolphins in 2014?2015. As an International Union for Conservation of Nature important marine mammal area, the productive coastal waters of Matang are shown to support a high density of small coastal cetaceans, and the results serve as an important baseline for future studies to identify population trends for conservation management plans.
dc.relation.ispartofAquatic Conservation: Marine and Freshwater Ecosystemsen
dc.rightsCopyright © 2021 John Wiley & Sons, Ltd. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the author created accepted manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at
dc.subjectImportant marine mammal areaen
dc.subjectIndo-Pacific finless porpoiseen
dc.subjectIndo-Pacific humpback dolphinen
dc.subjectIrrawaddy dolphinen
dc.subjectLine transectsen
dc.subjectGC Oceanographyen
dc.subjectQH301 Biologyen
dc.subjectSDG 14 - Life Below Wateren
dc.titleAbundance estimates of three cetacean species in the coastal waters of Matang Perak, Peninsular Malaysiaen
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews. School of Biologyen
dc.contributor.institutionUniversity of St Andrews. Sea Mammal Research Uniten
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. Marine Alliance for Science & Technology Scotlanden
dc.description.statusPeer revieweden

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