Post-Breeding Distribution and Diving Behavior of Adult Male Southern Elephant Seals from Patagonia
Seven post-breeding adult male southern elephant seals, Mirounga leonina , were tracked using satellite-relay data loggers (SRDL) in 1994–1996. Two animals also were instrumented with a time depth recorder(TDR). Animals were monitored for 31–112 days at the end of the breeding season as they left Pe...
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1999
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fthighwire:oai:open-archive.highwire.org:jmammal:80/4/1341 2023-05-15T16:05:40+02:00 Post-Breeding Distribution and Diving Behavior of Adult Male Southern Elephant Seals from Patagonia Campagna, Claudio Fedak, Michael A. McConnell, Bernie J. 1999-12-06 00:00:00.0 text/html http://jmammal.oxfordjournals.org/cgi/content/short/80/4/1341 https://doi.org/10.2307/1383185 en eng Oxford University Press http://jmammal.oxfordjournals.org/cgi/content/short/80/4/1341 http://dx.doi.org/10.2307/1383185 Copyright (C) 1999, Oxford University Press Feature Articles TEXT 1999 fthighwire https://doi.org/10.2307/1383185 2016-11-16T17:02:00Z Seven post-breeding adult male southern elephant seals, Mirounga leonina , were tracked using satellite-relay data loggers (SRDL) in 1994–1996. Two animals also were instrumented with a time depth recorder(TDR). Animals were monitored for 31–112 days at the end of the breeding season as they left Península Valdés, Argentina. Males traveled ≤ 1,300 km from the breeding rookery but remained in temperate waters of the SW Atlantic Ocean, between 42°S and 55°S. The maximum travel distance recorded for the entire trip for any one seal was >4,500 km. Five males swam across the continental shelf in 3–11 days and stayed along the shelf margin or break where travel rates decreased markedly and remained low, suggesting that they may have reached foraging grounds. The other two males remained on the continental shelf during the entire time that they were tracked at sea. One of them was tracked for 66 days and concentrated his activity only 6–10 km off the coast of Patagonia in two areas located 700–800 km S of Península Valdés. He never dived deeper than 94 m. The diving behavior sampled by one working TDR and several SRDL were similar. Dives over the continental shelf were mostly down to the seabed. Some dives over the shelf break were to the seabed (down to 1,500 m) but most were mid-water (300–600 m) and were deeper during the day. Previously studied post-breeding and post-molt adult females from the same colony spent virtually all their time over deep water off the shelf in the latitudinal range of 36–50°S. Their movements were less localized than those of males and dives did not take them to near the ocean bottom. Text Elephant Seals Mirounga leonina Southern Elephant Seals HighWire Press (Stanford University) Patagonia Argentina Journal of Mammalogy 80 4 1341 1352 |
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HighWire Press (Stanford University) |
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English |
topic |
Feature Articles |
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Feature Articles Campagna, Claudio Fedak, Michael A. McConnell, Bernie J. Post-Breeding Distribution and Diving Behavior of Adult Male Southern Elephant Seals from Patagonia |
topic_facet |
Feature Articles |
description |
Seven post-breeding adult male southern elephant seals, Mirounga leonina , were tracked using satellite-relay data loggers (SRDL) in 1994–1996. Two animals also were instrumented with a time depth recorder(TDR). Animals were monitored for 31–112 days at the end of the breeding season as they left Península Valdés, Argentina. Males traveled ≤ 1,300 km from the breeding rookery but remained in temperate waters of the SW Atlantic Ocean, between 42°S and 55°S. The maximum travel distance recorded for the entire trip for any one seal was >4,500 km. Five males swam across the continental shelf in 3–11 days and stayed along the shelf margin or break where travel rates decreased markedly and remained low, suggesting that they may have reached foraging grounds. The other two males remained on the continental shelf during the entire time that they were tracked at sea. One of them was tracked for 66 days and concentrated his activity only 6–10 km off the coast of Patagonia in two areas located 700–800 km S of Península Valdés. He never dived deeper than 94 m. The diving behavior sampled by one working TDR and several SRDL were similar. Dives over the continental shelf were mostly down to the seabed. Some dives over the shelf break were to the seabed (down to 1,500 m) but most were mid-water (300–600 m) and were deeper during the day. Previously studied post-breeding and post-molt adult females from the same colony spent virtually all their time over deep water off the shelf in the latitudinal range of 36–50°S. Their movements were less localized than those of males and dives did not take them to near the ocean bottom. |
format |
Text |
author |
Campagna, Claudio Fedak, Michael A. McConnell, Bernie J. |
author_facet |
Campagna, Claudio Fedak, Michael A. McConnell, Bernie J. |
author_sort |
Campagna, Claudio |
title |
Post-Breeding Distribution and Diving Behavior of Adult Male Southern Elephant Seals from Patagonia |
title_short |
Post-Breeding Distribution and Diving Behavior of Adult Male Southern Elephant Seals from Patagonia |
title_full |
Post-Breeding Distribution and Diving Behavior of Adult Male Southern Elephant Seals from Patagonia |
title_fullStr |
Post-Breeding Distribution and Diving Behavior of Adult Male Southern Elephant Seals from Patagonia |
title_full_unstemmed |
Post-Breeding Distribution and Diving Behavior of Adult Male Southern Elephant Seals from Patagonia |
title_sort |
post-breeding distribution and diving behavior of adult male southern elephant seals from patagonia |
publisher |
Oxford University Press |
publishDate |
1999 |
url |
http://jmammal.oxfordjournals.org/cgi/content/short/80/4/1341 https://doi.org/10.2307/1383185 |
geographic |
Patagonia Argentina |
geographic_facet |
Patagonia Argentina |
genre |
Elephant Seals Mirounga leonina Southern Elephant Seals |
genre_facet |
Elephant Seals Mirounga leonina Southern Elephant Seals |
op_relation |
http://jmammal.oxfordjournals.org/cgi/content/short/80/4/1341 http://dx.doi.org/10.2307/1383185 |
op_rights |
Copyright (C) 1999, Oxford University Press |
op_doi |
https://doi.org/10.2307/1383185 |
container_title |
Journal of Mammalogy |
container_volume |
80 |
container_issue |
4 |
container_start_page |
1341 |
op_container_end_page |
1352 |
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1766401570070593536 |