Foraging ecology of southern elephant seals from Heard Island ...
1. The foraging ecology of the southern elephant seal population at Heard Island was examined. The study aimed to quantify the current status, diet, movement patterns, and foraging behaviour of the population in order to use this information to make an estimate of the population's energy requir...
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University Of Tasmania
2023
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Online Access: | https://dx.doi.org/10.25959/23247404 https://figshare.utas.edu.au/articles/thesis/Foraging_ecology_of_southern_elephant_seals_from_Heard_Island/23247404 |
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ftdatacite:10.25959/23247404 2023-06-11T04:11:25+02:00 Foraging ecology of southern elephant seals from Heard Island ... Slip, DJ 2023 https://dx.doi.org/10.25959/23247404 https://figshare.utas.edu.au/articles/thesis/Foraging_ecology_of_southern_elephant_seals_from_Heard_Island/23247404 unknown University Of Tasmania In Copyright http://rightsstatements.org/vocab/InC/1.0/ article-journal Text ScholarlyArticle Thesis 2023 ftdatacite https://doi.org/10.25959/23247404 2023-06-01T12:17:39Z 1. The foraging ecology of the southern elephant seal population at Heard Island was examined. The study aimed to quantify the current status, diet, movement patterns, and foraging behaviour of the population in order to use this information to make an estimate of the population's energy requirements and food consumption. 2. I compared intravenous and intramuscular administrations of ketamine and diazepam to immobilise juvenile (8 to 24 months old) southern elephant seals (Mirounga leonina), to determine the most appropriate method for immobilising seals to a level required for stomach flushing or attaching electronic activity recorders. With intravenous injections, time to induction was shorter and less variable, the duration of immobilisation was shorter and less variable, and dose of ketamine was lower and less variable. Eight of 32 seals (25%) injected intravenously had apnoeas ranging from 8 to 20 minutes (mean= 16 ± 4.5 min), and 6 of 27 seals (22%) injected intramuscularly were apnoeic for more ... Thesis Elephant Seal Elephant Seals Heard Island Mirounga leonina Southern Elephant Seal Southern Elephant Seals DataCite Metadata Store (German National Library of Science and Technology) Heard Island |
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DataCite Metadata Store (German National Library of Science and Technology) |
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description |
1. The foraging ecology of the southern elephant seal population at Heard Island was examined. The study aimed to quantify the current status, diet, movement patterns, and foraging behaviour of the population in order to use this information to make an estimate of the population's energy requirements and food consumption. 2. I compared intravenous and intramuscular administrations of ketamine and diazepam to immobilise juvenile (8 to 24 months old) southern elephant seals (Mirounga leonina), to determine the most appropriate method for immobilising seals to a level required for stomach flushing or attaching electronic activity recorders. With intravenous injections, time to induction was shorter and less variable, the duration of immobilisation was shorter and less variable, and dose of ketamine was lower and less variable. Eight of 32 seals (25%) injected intravenously had apnoeas ranging from 8 to 20 minutes (mean= 16 ± 4.5 min), and 6 of 27 seals (22%) injected intramuscularly were apnoeic for more ... |
format |
Thesis |
author |
Slip, DJ |
spellingShingle |
Slip, DJ Foraging ecology of southern elephant seals from Heard Island ... |
author_facet |
Slip, DJ |
author_sort |
Slip, DJ |
title |
Foraging ecology of southern elephant seals from Heard Island ... |
title_short |
Foraging ecology of southern elephant seals from Heard Island ... |
title_full |
Foraging ecology of southern elephant seals from Heard Island ... |
title_fullStr |
Foraging ecology of southern elephant seals from Heard Island ... |
title_full_unstemmed |
Foraging ecology of southern elephant seals from Heard Island ... |
title_sort |
foraging ecology of southern elephant seals from heard island ... |
publisher |
University Of Tasmania |
publishDate |
2023 |
url |
https://dx.doi.org/10.25959/23247404 https://figshare.utas.edu.au/articles/thesis/Foraging_ecology_of_southern_elephant_seals_from_Heard_Island/23247404 |
geographic |
Heard Island |
geographic_facet |
Heard Island |
genre |
Elephant Seal Elephant Seals Heard Island Mirounga leonina Southern Elephant Seal Southern Elephant Seals |
genre_facet |
Elephant Seal Elephant Seals Heard Island Mirounga leonina Southern Elephant Seal Southern Elephant Seals |
op_rights |
In Copyright http://rightsstatements.org/vocab/InC/1.0/ |
op_doi |
https://doi.org/10.25959/23247404 |
_version_ |
1768386466260451328 |