Seasonal Diets of the Denali Caribou Herd, Alaska
Food habits of the Denali (formerly McKinley) herd of barren-ground caribou (Rangifer tarandus granti) were studied during 1978-80 in Denali National Park, Alaska, with emphasis on diets of adult females. Data from fecal analyses, field observations, and forage digestibilities were combined to estim...
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1984
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ftunivcalgaryojs:oai:journalhosting.ucalgary.ca:article/65234 2023-05-15T14:19:15+02:00 Seasonal Diets of the Denali Caribou Herd, Alaska Boertje, Rodney D. 1984-01-01 application/pdf https://journalhosting.ucalgary.ca/index.php/arctic/article/view/65234 eng eng The Arctic Institute of North America https://journalhosting.ucalgary.ca/index.php/arctic/article/view/65234/49148 https://journalhosting.ucalgary.ca/index.php/arctic/article/view/65234 ARCTIC; Vol. 37 No. 2 (1984): June: 91–194; 161-165 1923-1245 0004-0843 Animal ecology Animal food Caribou Mushrooms Winter ecology Denali National Park and Preserve Alaska info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion research-article 1984 ftunivcalgaryojs 2022-03-22T21:22:19Z Food habits of the Denali (formerly McKinley) herd of barren-ground caribou (Rangifer tarandus granti) were studied during 1978-80 in Denali National Park, Alaska, with emphasis on diets of adult females. Data from fecal analyses, field observations, and forage digestibilities were combined to estimate diets. Spring (late May to July) diets contained primarily Salix leaves (41%), lichens (25%), forbs (16%), and graminoids (12%). Summer (mid-July to mid-August) diets were similar, containing about 46% Salix leaves, 17% lichens, 10% forbs, 10% graminoids, and 12% mushrooms. In contrast, autumn (mid-September to mid-October) diets consisted primarily of lichens (43%) with less proportions of forbs (9%). graminoids (14%), mushrooms (10%), and mosses (5%). Winter (mid-November to early May) diets consisted largely of lichens (62%) and small proportions of Vaccinium vitis-idaea (6%), forbs (7%), graminoids (11%), and mosses (10%).Key words: caribou, Denali National Park, diets, fecal analysis, food habits, Rangifer Mots clés: caribou, parc national Denali, régimes, analyse fécale, habitudes d'alimentation, Rangifer Article in Journal/Newspaper Arctic caribou Rangifer tarandus Alaska University of Calgary Journal Hosting ARCTIC 37 2 |
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Open Polar |
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University of Calgary Journal Hosting |
op_collection_id |
ftunivcalgaryojs |
language |
English |
topic |
Animal ecology Animal food Caribou Mushrooms Winter ecology Denali National Park and Preserve Alaska |
spellingShingle |
Animal ecology Animal food Caribou Mushrooms Winter ecology Denali National Park and Preserve Alaska Boertje, Rodney D. Seasonal Diets of the Denali Caribou Herd, Alaska |
topic_facet |
Animal ecology Animal food Caribou Mushrooms Winter ecology Denali National Park and Preserve Alaska |
description |
Food habits of the Denali (formerly McKinley) herd of barren-ground caribou (Rangifer tarandus granti) were studied during 1978-80 in Denali National Park, Alaska, with emphasis on diets of adult females. Data from fecal analyses, field observations, and forage digestibilities were combined to estimate diets. Spring (late May to July) diets contained primarily Salix leaves (41%), lichens (25%), forbs (16%), and graminoids (12%). Summer (mid-July to mid-August) diets were similar, containing about 46% Salix leaves, 17% lichens, 10% forbs, 10% graminoids, and 12% mushrooms. In contrast, autumn (mid-September to mid-October) diets consisted primarily of lichens (43%) with less proportions of forbs (9%). graminoids (14%), mushrooms (10%), and mosses (5%). Winter (mid-November to early May) diets consisted largely of lichens (62%) and small proportions of Vaccinium vitis-idaea (6%), forbs (7%), graminoids (11%), and mosses (10%).Key words: caribou, Denali National Park, diets, fecal analysis, food habits, Rangifer Mots clés: caribou, parc national Denali, régimes, analyse fécale, habitudes d'alimentation, Rangifer |
format |
Article in Journal/Newspaper |
author |
Boertje, Rodney D. |
author_facet |
Boertje, Rodney D. |
author_sort |
Boertje, Rodney D. |
title |
Seasonal Diets of the Denali Caribou Herd, Alaska |
title_short |
Seasonal Diets of the Denali Caribou Herd, Alaska |
title_full |
Seasonal Diets of the Denali Caribou Herd, Alaska |
title_fullStr |
Seasonal Diets of the Denali Caribou Herd, Alaska |
title_full_unstemmed |
Seasonal Diets of the Denali Caribou Herd, Alaska |
title_sort |
seasonal diets of the denali caribou herd, alaska |
publisher |
The Arctic Institute of North America |
publishDate |
1984 |
url |
https://journalhosting.ucalgary.ca/index.php/arctic/article/view/65234 |
genre |
Arctic caribou Rangifer tarandus Alaska |
genre_facet |
Arctic caribou Rangifer tarandus Alaska |
op_source |
ARCTIC; Vol. 37 No. 2 (1984): June: 91–194; 161-165 1923-1245 0004-0843 |
op_relation |
https://journalhosting.ucalgary.ca/index.php/arctic/article/view/65234/49148 https://journalhosting.ucalgary.ca/index.php/arctic/article/view/65234 |
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ARCTIC |
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37 |
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1766290885012619264 |