Peary caribou, muskoxen and Banks Island forage: Assessing seasonal diet similarities
Peary caribou (Rangifer tarandus pearyi) and muskoxen {Ovibos moschatus) on Banks Island had considerable similarity in their annual diets, with monthly similarities ranging from 17.8-73.3%. Diet similarity was more pronounced in areas of high muskox density {ca. 1.65/km2) than in areas of low musko...
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Language: | English |
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Septentrio Academic Publishing
1997
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Online Access: | https://doi.org/10.7557/2.17.1.378 https://doaj.org/article/68373e76734d4c6eb04f680349a1e1d5 |
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ftdoajarticles:oai:doaj.org/article:68373e76734d4c6eb04f680349a1e1d5 2023-05-15T15:05:21+02:00 Peary caribou, muskoxen and Banks Island forage: Assessing seasonal diet similarities Nicholas C. Larter John A. Nagy 1997-04-01T00:00:00Z https://doi.org/10.7557/2.17.1.378 https://doaj.org/article/68373e76734d4c6eb04f680349a1e1d5 EN eng Septentrio Academic Publishing https://septentrio.uit.no/index.php/rangifer/article/view/378 https://doaj.org/toc/1890-6729 doi:10.7557/2.17.1.378 1890-6729 https://doaj.org/article/68373e76734d4c6eb04f680349a1e1d5 Rangifer, Vol 17, Iss 1 (1997) diet overlap food competition arctic Northwest Territories Rangifer tarandus pearyi Ovibos moschatus Animal culture SF1-1100 article 1997 ftdoajarticles https://doi.org/10.7557/2.17.1.378 2022-12-31T12:25:13Z Peary caribou (Rangifer tarandus pearyi) and muskoxen {Ovibos moschatus) on Banks Island had considerable similarity in their annual diets, with monthly similarities ranging from 17.8-73.3%. Diet similarity was more pronounced in areas of high muskox density {ca. 1.65/km2) than in areas of low muskox density {ca. 0.4/km2). Willow (Salix arctica) and sedge (Carex aquatilis and Eriophorum spp.) represented >80% of the monthly diet of muskoxen. The caribou diet was more diverse, and was dominated by sedge, willow, Dryas integrifolia, and Oxytropis maydelliana, Lichen use was rare, likely as a consequence of low availability on Banks Island. Lichen standing crop was estimated at 2.96 g/m2. The differences in muskox diet between high and low density areas could not be explained by differences in forage distribution or standing crop. We discuss diet similarities of caribou and muskoxen and potential consequences for the current Peary caribou population in relation to winter weather conditions and increasing muskox density. Article in Journal/Newspaper Arctic Banks Island Carex aquatilis caribou Eriophorum muskox Northwest Territories ovibos moschatus Rangifer Rangifer tarandus Directory of Open Access Journals: DOAJ Articles Arctic Northwest Territories Peary ENVELOPE(-63.867,-63.867,-65.250,-65.250) Rangifer 17 1 9 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
diet overlap food competition arctic Northwest Territories Rangifer tarandus pearyi Ovibos moschatus Animal culture SF1-1100 |
spellingShingle |
diet overlap food competition arctic Northwest Territories Rangifer tarandus pearyi Ovibos moschatus Animal culture SF1-1100 Nicholas C. Larter John A. Nagy Peary caribou, muskoxen and Banks Island forage: Assessing seasonal diet similarities |
topic_facet |
diet overlap food competition arctic Northwest Territories Rangifer tarandus pearyi Ovibos moschatus Animal culture SF1-1100 |
description |
Peary caribou (Rangifer tarandus pearyi) and muskoxen {Ovibos moschatus) on Banks Island had considerable similarity in their annual diets, with monthly similarities ranging from 17.8-73.3%. Diet similarity was more pronounced in areas of high muskox density {ca. 1.65/km2) than in areas of low muskox density {ca. 0.4/km2). Willow (Salix arctica) and sedge (Carex aquatilis and Eriophorum spp.) represented >80% of the monthly diet of muskoxen. The caribou diet was more diverse, and was dominated by sedge, willow, Dryas integrifolia, and Oxytropis maydelliana, Lichen use was rare, likely as a consequence of low availability on Banks Island. Lichen standing crop was estimated at 2.96 g/m2. The differences in muskox diet between high and low density areas could not be explained by differences in forage distribution or standing crop. We discuss diet similarities of caribou and muskoxen and potential consequences for the current Peary caribou population in relation to winter weather conditions and increasing muskox density. |
format |
Article in Journal/Newspaper |
author |
Nicholas C. Larter John A. Nagy |
author_facet |
Nicholas C. Larter John A. Nagy |
author_sort |
Nicholas C. Larter |
title |
Peary caribou, muskoxen and Banks Island forage: Assessing seasonal diet similarities |
title_short |
Peary caribou, muskoxen and Banks Island forage: Assessing seasonal diet similarities |
title_full |
Peary caribou, muskoxen and Banks Island forage: Assessing seasonal diet similarities |
title_fullStr |
Peary caribou, muskoxen and Banks Island forage: Assessing seasonal diet similarities |
title_full_unstemmed |
Peary caribou, muskoxen and Banks Island forage: Assessing seasonal diet similarities |
title_sort |
peary caribou, muskoxen and banks island forage: assessing seasonal diet similarities |
publisher |
Septentrio Academic Publishing |
publishDate |
1997 |
url |
https://doi.org/10.7557/2.17.1.378 https://doaj.org/article/68373e76734d4c6eb04f680349a1e1d5 |
long_lat |
ENVELOPE(-63.867,-63.867,-65.250,-65.250) |
geographic |
Arctic Northwest Territories Peary |
geographic_facet |
Arctic Northwest Territories Peary |
genre |
Arctic Banks Island Carex aquatilis caribou Eriophorum muskox Northwest Territories ovibos moschatus Rangifer Rangifer tarandus |
genre_facet |
Arctic Banks Island Carex aquatilis caribou Eriophorum muskox Northwest Territories ovibos moschatus Rangifer Rangifer tarandus |
op_source |
Rangifer, Vol 17, Iss 1 (1997) |
op_relation |
https://septentrio.uit.no/index.php/rangifer/article/view/378 https://doaj.org/toc/1890-6729 doi:10.7557/2.17.1.378 1890-6729 https://doaj.org/article/68373e76734d4c6eb04f680349a1e1d5 |
op_doi |
https://doi.org/10.7557/2.17.1.378 |
container_title |
Rangifer |
container_volume |
17 |
container_issue |
1 |
container_start_page |
9 |
_version_ |
1766337070709604352 |