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dc.contributor.authorÅsvestad, Linn
dc.contributor.authorAhonen, Heidi
dc.contributor.authorMenze, Sebastian
dc.contributor.authorLowther, Andrew
dc.contributor.authorLindstrøm, Ulf Ove
dc.contributor.authorKrafft, Bjørn Arne
dc.date.accessioned2024-09-06T11:49:28Z
dc.date.available2024-09-06T11:49:28Z
dc.date.issued2024-01-03
dc.description.abstractIncreased knowledge about marine mammal seasonal distribution and species assemblage from the South Orkney Islands waters is needed for the development of management regulations of the commercial fishery for Antarctic krill (Euphausia superba) in this region. Passive acoustic monitoring (PAM) data were collected during the autumn and winter seasons in two consecutive years (2016, 2017), which represented highly contrasting environmental conditions due to the 2016 El Niño event. We explored differences in seasonal patterns in marine mammal acoustic presence between the two years in context of environmental cues and climate variability. Acoustic signals from five baleen whale species, two pinniped species and odontocete species were detected and separated into guilds. Although species diversity remained stable over time, the ice-avoiding and ice-affiliated species dominated before and after the onset of winter, respectively, and thus demonstrating a shift in guild composition related to season. Herein, we provide novel information about local marine mammal species diversity, community structure and residency times in a krill hotspot. Our study also demonstrates the utility of PAM data and its usefulness in providing new insights into the marine mammal habitat use and responses to environmental conditions, which are essential knowledge for the future development of a sustainable fishery management in a changing ecosystem.en_US
dc.identifier.citationÅsvestad, Ahonen, Menze, Lowther, Lindstrøm, Krafft. Seasonal acoustic presence of marine mammals at the South Orkney Islands, Scotia Sea. Royal Society Open Science. 2024;11(1)en_US
dc.identifier.cristinIDFRIDAID 2246056
dc.identifier.doi10.1098/rsos.230233
dc.identifier.issn2054-5703
dc.identifier.urihttps://hdl.handle.net/10037/34546
dc.language.isoengen_US
dc.publisherThe Royal Society Publishingen_US
dc.relation.journalRoyal Society Open Science
dc.rights.accessRightsopenAccessen_US
dc.rights.holderCopyright 2024 The Author(s)en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0en_US
dc.rightsAttribution 4.0 International (CC BY 4.0)en_US
dc.titleSeasonal acoustic presence of marine mammals at the South Orkney Islands, Scotia Seaen_US
dc.type.versionpublishedVersionen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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Attribution 4.0 International (CC BY 4.0)
Except where otherwise noted, this item's license is described as Attribution 4.0 International (CC BY 4.0)