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...
Published in: | Rangifer |
---|---|
Main Authors: | , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Septentrio Academic Publishing
1997
|
Subjects: | |
Online Access: | https://septentrio.uit.no/index.php/rangifer/article/view/378 https://doi.org/10.7557/2.17.1.378 |
id |
ftunitroemsoe:oai:ojs.henry.ub.uit.no:article/378 |
---|---|
record_format |
openpolar |
spelling |
ftunitroemsoe:oai:ojs.henry.ub.uit.no:article/378 2023-05-15T15:03:59+02:00 Peary caribou, muskoxen and Banks Island forage: Assessing seasonal diet similarities Larter, Nicholas C. Nagy, John A. 1997-04-01 application/pdf https://septentrio.uit.no/index.php/rangifer/article/view/378 https://doi.org/10.7557/2.17.1.378 eng eng Septentrio Academic Publishing https://septentrio.uit.no/index.php/rangifer/article/view/378/367 https://septentrio.uit.no/index.php/rangifer/article/view/378 doi:10.7557/2.17.1.378 Copyright (c) 2015 Nicholas C. Larter, John A. Nagy http://creativecommons.org/licenses/by/3.0/ CC-BY Rangifer; Årg 17 Nr 1 (1997); 9-16 Rangifer; Vol 17 No 1 (1997); 9-16 1890-6729 diet overlap food competition arctic Northwest Territories Rangifer tarandus pearyi Ovibos moschatus info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 1997 ftunitroemsoe https://doi.org/10.7557/2.17.1.378 2021-08-16T14:21:56Z 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 Eriophorum muskox Northwest Territories ovibos moschatus Rangifer Rangifer tarandus University of Tromsø: Septentrio Academic Publishing Arctic Northwest Territories Peary ENVELOPE(-63.867,-63.867,-65.250,-65.250) Rangifer 17 1 9 |
institution |
Open Polar |
collection |
University of Tromsø: Septentrio Academic Publishing |
op_collection_id |
ftunitroemsoe |
language |
English |
topic |
diet overlap food competition arctic Northwest Territories Rangifer tarandus pearyi Ovibos moschatus |
spellingShingle |
diet overlap food competition arctic Northwest Territories Rangifer tarandus pearyi Ovibos moschatus Larter, Nicholas C. Nagy, John A. 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 |
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 |
Larter, Nicholas C. Nagy, John A. |
author_facet |
Larter, Nicholas C. Nagy, John A. |
author_sort |
Larter, Nicholas C. |
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://septentrio.uit.no/index.php/rangifer/article/view/378 https://doi.org/10.7557/2.17.1.378 |
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 Eriophorum muskox Northwest Territories ovibos moschatus Rangifer Rangifer tarandus |
genre_facet |
Arctic Banks Island Carex aquatilis Eriophorum muskox Northwest Territories ovibos moschatus Rangifer Rangifer tarandus |
op_source |
Rangifer; Årg 17 Nr 1 (1997); 9-16 Rangifer; Vol 17 No 1 (1997); 9-16 1890-6729 |
op_relation |
https://septentrio.uit.no/index.php/rangifer/article/view/378/367 https://septentrio.uit.no/index.php/rangifer/article/view/378 doi:10.7557/2.17.1.378 |
op_rights |
Copyright (c) 2015 Nicholas C. Larter, John A. Nagy http://creativecommons.org/licenses/by/3.0/ |
op_rightsnorm |
CC-BY |
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_ |
1766335825647239168 |