New Zealand southern right whale (Eubalaena australis; Tohorā nō Aotearoa) behavioural phenology, demographic composition, and habitat use in Port Ross, Auckland Islands over three decades: 1998–2021

Emma L. Carroll; Leena Riekkola; Virginia Andrews-GoffC. Scott BakerRochelle ConstantineRos ColeKim GoetzRobert HarcourtDavid LundquistCatherine MeyerMike OgleRichard O’RorkeNathalie PatenaudeRodney RussEsther StuckAimee L. van der ReisAlexandre N. ZerbiniSimon Childerhouse

首页> 外文期刊>Polar Biology >New Zealand southern right whale (Eubalaena australis; Tohorā nō Aotearoa) behavioural phenology, demographic composition, and habitat use in Port Ross, Auckland Islands over three decades: 1998–2021

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New Zealand southern right whale (Eubalaena australis; Tohorā nō Aotearoa) behavioural phenology, demographic composition, and habitat use in Port Ross, Auckland Islands over three decades: 1998–2021

机译：New Zealand southern right whale (Eubalaena australis; Tohorā nō Aotearoa) behavioural phenology, demographic composition, and habitat use in Port Ross, Auckland Islands over three decades: 1998–2021

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Abstract Changes in habitat availability and prey abundance are predicted to adversely influence survival and reproduction of wildlife in the Southern Ocean. Some populations of southern right whale (SRW; Eubalaena australis) are showing dramatic changes in habitat use. Surveys were undertaken in the austral winters of 2020 and 2021 at the key nursery and socialising ground for New Zealand SRWs: Port Ross, Auckland Islands, with 548 encounters and 599 skin biopsy samples collected. Data from these two surveys spanned peak periods of use and were used to test the hypothesis there have been shifts in the phenology, demographic composition and behaviour of SRWs using the Auckland Islands over the past three decades. The behavioural phenology and demographic composition of SRW resembles that observed in the 1990s. In contrast, the proportion of groups containing cow-calf pairs increased from 20% in the 1998 survey to 50% in 2020/21. These changes are consistent with a growing population undergoing strong recruitment, not limited by food resources. Continued use of Port Ross by all SRW demographic classes confirms this as key habitat for SRW in New Zealand waters, and we support increased enforcement of existing management measures to reduce whale-vessel interactions in this remote subantarctic archipelago.

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《Polar Biology》 |2022年第8期|1441-1458|共18页
作者
Emma L. Carroll; Leena Riekkola; Virginia Andrews-GoffC. Scott BakerRochelle ConstantineRos ColeKim GoetzRobert HarcourtDavid LundquistCatherine MeyerMike OgleRichard O’RorkeNathalie PatenaudeRodney RussEsther StuckAimee L. van der ReisAlexandre N. ZerbiniSimon Childerhouse;
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作者单位

University of Auckland – Waipapa Taumata Rau;

Department of Conservation;

Collégial International Sainte-AnneStrannik Ocean VoyagesUniversity of Washington & Marine Mammal Laboratory, Alaska Fisheries Science Center, NOAA||Marine Ecology and Telemetry Research & Cascadia Research CollectiveEnvironmental Law InitiativeAustralian Antarctic DivisionOregon State UniversityUniversity of Auckland – Waipapa Taumata Rau||University of AucklandNational Marine Fisheries Service, NOAA||National Institute of Water & Atmospheric ResearchMacquarie University;

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正文语种英语
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Migratory habitat; Anthropogenic impacts; Human impacts;

New Zealand southern right whale (Eubalaena australis; Tohorā nō Aotearoa) behavioural phenology, demographic composition, and habitat use in Port Ross, Auckland Islands over three decades: 1998–2021

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