Changes in minke whale distributions in the Southern Ocean ...
No abstracts are to be cited without prior reference to the author.This study explores the various relationships between distance from the sea ice edge and minke whale density distribution by means of a circumpolar spatial analysis. For almost 30 years, the International Whaling Commission (IWC) has...
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2024
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ftdatacite:10.17895/ices.pub.25243483 2024-03-31T07:51:04+00:00 Changes in minke whale distributions in the Southern Ocean ... Beekmans, Bas W.P.M. Forcada, Jaume Murphy, Eugene J. de Baar, Hein J.W. Bathmann, Ulrich V. 2024 https://dx.doi.org/10.17895/ices.pub.25243483 https://ices-library.figshare.com/articles/conference_contribution/Changes_in_minke_whale_distributions_in_the_Southern_Ocean/25243483 unknown ASC 2008 - Theme session B https://ices-library.figshare.com/ICES-ASC-2008/groups ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx Arctic Sea FAO area 18 Ecosystem observation, processes and dynamics Conference contribution article CreativeWork Other 2024 ftdatacite https://doi.org/10.17895/ices.pub.25243483 2024-03-04T14:11:39Z No abstracts are to be cited without prior reference to the author.This study explores the various relationships between distance from the sea ice edge and minke whale density distribution by means of a circumpolar spatial analysis. For almost 30 years, the International Whaling Commission (IWC) has conducted whale surveys in the Southern Ocean during austral summer months under the IWC/IDCR-SOWER programme. This has resulted in three circumpolar sets of surveys, with over 21,000 minke whale sightings. We used these sightings in spatial models of line transect data based on generalised additive models (GAMs). The GAMs assumed an overdispersed Poisson error structure and log-link. Model selection was based on maximisation of explained deviance and minimising the Generalised Cross Validation (GCV) score, while excluding GAMs that generated extreme and unlikely minke whale densities. The GAMs were fitted independently by survey area and year. Selected GAMs included combinations of the following covariates: ... Conference Object Arctic minke whale Sea ice Southern Ocean DataCite Metadata Store (German National Library of Science and Technology) Arctic Austral Southern Ocean |
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Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
topic |
Arctic Sea FAO area 18 Ecosystem observation, processes and dynamics |
spellingShingle |
Arctic Sea FAO area 18 Ecosystem observation, processes and dynamics Beekmans, Bas W.P.M. Forcada, Jaume Murphy, Eugene J. de Baar, Hein J.W. Bathmann, Ulrich V. Changes in minke whale distributions in the Southern Ocean ... |
topic_facet |
Arctic Sea FAO area 18 Ecosystem observation, processes and dynamics |
description |
No abstracts are to be cited without prior reference to the author.This study explores the various relationships between distance from the sea ice edge and minke whale density distribution by means of a circumpolar spatial analysis. For almost 30 years, the International Whaling Commission (IWC) has conducted whale surveys in the Southern Ocean during austral summer months under the IWC/IDCR-SOWER programme. This has resulted in three circumpolar sets of surveys, with over 21,000 minke whale sightings. We used these sightings in spatial models of line transect data based on generalised additive models (GAMs). The GAMs assumed an overdispersed Poisson error structure and log-link. Model selection was based on maximisation of explained deviance and minimising the Generalised Cross Validation (GCV) score, while excluding GAMs that generated extreme and unlikely minke whale densities. The GAMs were fitted independently by survey area and year. Selected GAMs included combinations of the following covariates: ... |
format |
Conference Object |
author |
Beekmans, Bas W.P.M. Forcada, Jaume Murphy, Eugene J. de Baar, Hein J.W. Bathmann, Ulrich V. |
author_facet |
Beekmans, Bas W.P.M. Forcada, Jaume Murphy, Eugene J. de Baar, Hein J.W. Bathmann, Ulrich V. |
author_sort |
Beekmans, Bas W.P.M. |
title |
Changes in minke whale distributions in the Southern Ocean ... |
title_short |
Changes in minke whale distributions in the Southern Ocean ... |
title_full |
Changes in minke whale distributions in the Southern Ocean ... |
title_fullStr |
Changes in minke whale distributions in the Southern Ocean ... |
title_full_unstemmed |
Changes in minke whale distributions in the Southern Ocean ... |
title_sort |
changes in minke whale distributions in the southern ocean ... |
publisher |
ASC 2008 - Theme session B |
publishDate |
2024 |
url |
https://dx.doi.org/10.17895/ices.pub.25243483 https://ices-library.figshare.com/articles/conference_contribution/Changes_in_minke_whale_distributions_in_the_Southern_Ocean/25243483 |
geographic |
Arctic Austral Southern Ocean |
geographic_facet |
Arctic Austral Southern Ocean |
genre |
Arctic minke whale Sea ice Southern Ocean |
genre_facet |
Arctic minke whale Sea ice Southern Ocean |
op_relation |
https://ices-library.figshare.com/ICES-ASC-2008/groups |
op_rights |
ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx |
op_doi |
https://doi.org/10.17895/ices.pub.25243483 |
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1795029604918886400 |