Mass of weaned elephant seal pups in areas of low and high human presence
On sub-Antarctic Macquarie Island, we examined pup weaning mass of southern elephant seals in relation to human presence. Pup weaning mass was previously found to be positively associated with 1st-year survivorship. Weaned pups were weighed in a remote area, Middle Beach, and in an area of relativel...
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ftunivtasecite:oai:ecite.utas.edu.au:22684 2023-05-15T13:59:07+02:00 Mass of weaned elephant seal pups in areas of low and high human presence Engelhard, GH van den Hoff, J Broekman, M Baarspul, ANJ Field, IC Burton, HR Reijnders, PJH 2001 https://doi.org/10.1007/s003000000204 http://ecite.utas.edu.au/22684 en eng Springer-Verlag http://dx.doi.org/10.1007/s003000000204 Engelhard, GH and van den Hoff, J and Broekman, M and Baarspul, ANJ and Field, IC and Burton, HR and Reijnders, PJH, Mass of weaned elephant seal pups in areas of low and high human presence, Polar Biology, 24, (4) pp. 244-251. ISSN 0722-4060 (2001) [Refereed Article] http://ecite.utas.edu.au/22684 Environmental Sciences Environmental Science and Management Wildlife and Habitat Management Refereed Article PeerReviewed 2001 ftunivtasecite https://doi.org/10.1007/s003000000204 2019-12-13T21:04:37Z On sub-Antarctic Macquarie Island, we examined pup weaning mass of southern elephant seals in relation to human presence. Pup weaning mass was previously found to be positively associated with 1st-year survivorship. Weaned pups were weighed in a remote area, Middle Beach, and in an area of relatively high human presence, Isthmus East. The areas were reasonably similar in beach topography, wind and surf conditions, numbers of seals present per kilometre of coastline, and numbers of males and females present in harems. For a sub-sample of measured pups, data on the respective maternal size were collected using photogrammetry. Both male and female weaned pups on Middle Beach were significantly heavier than those on Isthmus East. Estimated length of mothers was significantly higher on Middle Beach. In proportion to their own size, mothers in both areas produced weaners of similar mass, indicating no direct effect of human disturbance or the efficiency of lactation. It remained unclear whether the area differences in maternal and pup size were due to natural or human-related factors. Article in Journal/Newspaper Antarc* Antarctic Elephant Seal Elephant Seals Macquarie Island Polar Biology Southern Elephant Seals eCite UTAS (University of Tasmania) Antarctic Polar Biology 24 4 244 251 |
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Open Polar |
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eCite UTAS (University of Tasmania) |
op_collection_id |
ftunivtasecite |
language |
English |
topic |
Environmental Sciences Environmental Science and Management Wildlife and Habitat Management |
spellingShingle |
Environmental Sciences Environmental Science and Management Wildlife and Habitat Management Engelhard, GH van den Hoff, J Broekman, M Baarspul, ANJ Field, IC Burton, HR Reijnders, PJH Mass of weaned elephant seal pups in areas of low and high human presence |
topic_facet |
Environmental Sciences Environmental Science and Management Wildlife and Habitat Management |
description |
On sub-Antarctic Macquarie Island, we examined pup weaning mass of southern elephant seals in relation to human presence. Pup weaning mass was previously found to be positively associated with 1st-year survivorship. Weaned pups were weighed in a remote area, Middle Beach, and in an area of relatively high human presence, Isthmus East. The areas were reasonably similar in beach topography, wind and surf conditions, numbers of seals present per kilometre of coastline, and numbers of males and females present in harems. For a sub-sample of measured pups, data on the respective maternal size were collected using photogrammetry. Both male and female weaned pups on Middle Beach were significantly heavier than those on Isthmus East. Estimated length of mothers was significantly higher on Middle Beach. In proportion to their own size, mothers in both areas produced weaners of similar mass, indicating no direct effect of human disturbance or the efficiency of lactation. It remained unclear whether the area differences in maternal and pup size were due to natural or human-related factors. |
format |
Article in Journal/Newspaper |
author |
Engelhard, GH van den Hoff, J Broekman, M Baarspul, ANJ Field, IC Burton, HR Reijnders, PJH |
author_facet |
Engelhard, GH van den Hoff, J Broekman, M Baarspul, ANJ Field, IC Burton, HR Reijnders, PJH |
author_sort |
Engelhard, GH |
title |
Mass of weaned elephant seal pups in areas of low and high human presence |
title_short |
Mass of weaned elephant seal pups in areas of low and high human presence |
title_full |
Mass of weaned elephant seal pups in areas of low and high human presence |
title_fullStr |
Mass of weaned elephant seal pups in areas of low and high human presence |
title_full_unstemmed |
Mass of weaned elephant seal pups in areas of low and high human presence |
title_sort |
mass of weaned elephant seal pups in areas of low and high human presence |
publisher |
Springer-Verlag |
publishDate |
2001 |
url |
https://doi.org/10.1007/s003000000204 http://ecite.utas.edu.au/22684 |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic Elephant Seal Elephant Seals Macquarie Island Polar Biology Southern Elephant Seals |
genre_facet |
Antarc* Antarctic Elephant Seal Elephant Seals Macquarie Island Polar Biology Southern Elephant Seals |
op_relation |
http://dx.doi.org/10.1007/s003000000204 Engelhard, GH and van den Hoff, J and Broekman, M and Baarspul, ANJ and Field, IC and Burton, HR and Reijnders, PJH, Mass of weaned elephant seal pups in areas of low and high human presence, Polar Biology, 24, (4) pp. 244-251. ISSN 0722-4060 (2001) [Refereed Article] http://ecite.utas.edu.au/22684 |
op_doi |
https://doi.org/10.1007/s003000000204 |
container_title |
Polar Biology |
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24 |
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4 |
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244 |
op_container_end_page |
251 |
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1766267515386724352 |