The Effect of Vehicle Traffic on Wildlife in Denali National Park
We recorded observations of caribou (Rangifer tarandus), grizzly bear (Ursus arctos), Dall sheep (Ovis dalli) and moose (Alces alces) along the Denali National Park and Preserve road corridor during 1995-97. We compared these observations to similar data from previous studies to evaluate the effect...
Published in: | ARCTIC |
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Main Authors: | , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
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The Arctic Institute of North America
2000
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Online Access: | https://journalhosting.ucalgary.ca/index.php/arctic/article/view/63901 |
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Open Polar |
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University of Calgary Journal Hosting |
op_collection_id |
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language |
English |
topic |
Alaska behavior caribou (Rangifer tarandus) Dall sheep (Ovis dalli) Denali National Park grizzly bear (Ursus arctos) human disturbance moose (Alces alces) traffic visitation comportement mouflon de Dall (Ovis dalli) parc national Denali grizzli (Ursus arctos) perturbation anthropique orignal (Alces alces) circulation visiteurs |
spellingShingle |
Alaska behavior caribou (Rangifer tarandus) Dall sheep (Ovis dalli) Denali National Park grizzly bear (Ursus arctos) human disturbance moose (Alces alces) traffic visitation comportement mouflon de Dall (Ovis dalli) parc national Denali grizzli (Ursus arctos) perturbation anthropique orignal (Alces alces) circulation visiteurs Burson III, S.L. Belant, J.L. Fortier, K.A. Tomkiewicz III, W.C. The Effect of Vehicle Traffic on Wildlife in Denali National Park |
topic_facet |
Alaska behavior caribou (Rangifer tarandus) Dall sheep (Ovis dalli) Denali National Park grizzly bear (Ursus arctos) human disturbance moose (Alces alces) traffic visitation comportement mouflon de Dall (Ovis dalli) parc national Denali grizzli (Ursus arctos) perturbation anthropique orignal (Alces alces) circulation visiteurs |
description |
We recorded observations of caribou (Rangifer tarandus), grizzly bear (Ursus arctos), Dall sheep (Ovis dalli) and moose (Alces alces) along the Denali National Park and Preserve road corridor during 1995-97. We compared these observations to similar data from previous studies to evaluate the effect of an increase in traffic on the number of animals sighted and their behavior. Between 1972 and 1997, annual visitation to Denali National Park increased from about 45000 to 350000, with attendant increases in traffic on the park road. The mean number of caribou, grizzly bear, and Dall sheep observed did not decline (p > 0.301) from 1973 to 1997. The number of moose observed declined by more than 50% (R² = 0.529, p < 0.001). The estimated population of moose also declined over the same period (R² = 0.374, p = 0.002). The distance from the park road at which caribou and grizzly bears were sighted did not change (p > 0.787), but fewer moose (p < 0.031) were observed within 100 m of the road and fewer sheep (p < 0.011) were observed between 400 and 500 m from the road. Adverse behavioral responses to traffic (e.g., running from vehicles) occurred in less than 1.3% of observations for each species. Increased traffic on the park road apparently has not caused significant changes in abundance, distribution, or behavior of caribou, grizzly bear, Dall sheep, and moose in the park road corridor. De 1995 à 1997, on a rapporté des observations du caribou (Rangifer tarandus), du grizzli (Ursus arctos), du mouflon de Dall (Ovis dalli) et de l'orignal (Alces alces) dans le corridor routier de la réserve et du parc national Denali. On a comparé ces observations à des données similaires recueillies au cours d'études antérieures visant à évaluer l'impact d'une augmentation du trafic sur le nombre d'animaux aperçus et sur leur comportement. Entre1972 et 1997, le nombre annuel de visiteurs au parc national Denali est passé d'environ 45 000 à 350 000, ce qui a amené une augmentation de la circulation sur la route du parc. De 1973 à 1997, le nombre moyen de caribous, de grizzlis et de mouflons de Dall observés n'a pas diminué (p > 0,301). Le nombre d'orignaux observés a décliné de plus de 50 p. cent (R² = 0,529, p < 0,001). La population d'orignaux estimée a aussi baissé durant cette période (R² = 0,374, p < 0,002). La distance, mesurée depuis la route du parc, à laquelle ont été aperçus les caribous et les grizzlis n'a pas changé (p > 0,787), mais on a observé moins d'orignaux (p < 0,031) à moins de 100 m de la route et moins de mouflons de Dall (p < 0,011) entre 400 et 500 m de la route. Des réactions comportementales négatives au trafic (p. ex., fuite à l'approche de véhicules) ont eu lieu dans moins de 1,3 p. cent des cas observés pour chaque espèce. L'augmentation du trafic sur la route du parc ne semble pas avoir causé de changements notables dans l'abondance, la distribution, ou le comportement du caribou, du grizzli, du mouflon de Dall et de l'orignal dans le corridor routier du parc. |
format |
Article in Journal/Newspaper |
author |
Burson III, S.L. Belant, J.L. Fortier, K.A. Tomkiewicz III, W.C. |
author_facet |
Burson III, S.L. Belant, J.L. Fortier, K.A. Tomkiewicz III, W.C. |
author_sort |
Burson III, S.L. |
title |
The Effect of Vehicle Traffic on Wildlife in Denali National Park |
title_short |
The Effect of Vehicle Traffic on Wildlife in Denali National Park |
title_full |
The Effect of Vehicle Traffic on Wildlife in Denali National Park |
title_fullStr |
The Effect of Vehicle Traffic on Wildlife in Denali National Park |
title_full_unstemmed |
The Effect of Vehicle Traffic on Wildlife in Denali National Park |
title_sort |
effect of vehicle traffic on wildlife in denali national park |
publisher |
The Arctic Institute of North America |
publishDate |
2000 |
url |
https://journalhosting.ucalgary.ca/index.php/arctic/article/view/63901 |
genre |
Alces alces Arctic Rangifer tarandus Ursus arctos Alaska |
genre_facet |
Alces alces Arctic Rangifer tarandus Ursus arctos Alaska |
op_source |
ARCTIC; Vol. 53 No. 2 (2000): June: 101–212; 146-151 1923-1245 0004-0843 |
op_relation |
https://journalhosting.ucalgary.ca/index.php/arctic/article/view/63901/47836 https://journalhosting.ucalgary.ca/index.php/arctic/article/view/63901 |
container_title |
ARCTIC |
container_volume |
53 |
container_issue |
2 |
_version_ |
1766255228608315392 |
spelling |
ftunivcalgaryojs:oai:journalhosting.ucalgary.ca:article/63901 2023-05-15T13:12:58+02:00 The Effect of Vehicle Traffic on Wildlife in Denali National Park Burson III, S.L. Belant, J.L. Fortier, K.A. Tomkiewicz III, W.C. 2000-01-01 application/pdf https://journalhosting.ucalgary.ca/index.php/arctic/article/view/63901 eng eng The Arctic Institute of North America https://journalhosting.ucalgary.ca/index.php/arctic/article/view/63901/47836 https://journalhosting.ucalgary.ca/index.php/arctic/article/view/63901 ARCTIC; Vol. 53 No. 2 (2000): June: 101–212; 146-151 1923-1245 0004-0843 Alaska behavior caribou (Rangifer tarandus) Dall sheep (Ovis dalli) Denali National Park grizzly bear (Ursus arctos) human disturbance moose (Alces alces) traffic visitation comportement mouflon de Dall (Ovis dalli) parc national Denali grizzli (Ursus arctos) perturbation anthropique orignal (Alces alces) circulation visiteurs info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion research-article 2000 ftunivcalgaryojs 2022-03-22T21:21:09Z We recorded observations of caribou (Rangifer tarandus), grizzly bear (Ursus arctos), Dall sheep (Ovis dalli) and moose (Alces alces) along the Denali National Park and Preserve road corridor during 1995-97. We compared these observations to similar data from previous studies to evaluate the effect of an increase in traffic on the number of animals sighted and their behavior. Between 1972 and 1997, annual visitation to Denali National Park increased from about 45000 to 350000, with attendant increases in traffic on the park road. The mean number of caribou, grizzly bear, and Dall sheep observed did not decline (p > 0.301) from 1973 to 1997. The number of moose observed declined by more than 50% (R² = 0.529, p < 0.001). The estimated population of moose also declined over the same period (R² = 0.374, p = 0.002). The distance from the park road at which caribou and grizzly bears were sighted did not change (p > 0.787), but fewer moose (p < 0.031) were observed within 100 m of the road and fewer sheep (p < 0.011) were observed between 400 and 500 m from the road. Adverse behavioral responses to traffic (e.g., running from vehicles) occurred in less than 1.3% of observations for each species. Increased traffic on the park road apparently has not caused significant changes in abundance, distribution, or behavior of caribou, grizzly bear, Dall sheep, and moose in the park road corridor. De 1995 à 1997, on a rapporté des observations du caribou (Rangifer tarandus), du grizzli (Ursus arctos), du mouflon de Dall (Ovis dalli) et de l'orignal (Alces alces) dans le corridor routier de la réserve et du parc national Denali. On a comparé ces observations à des données similaires recueillies au cours d'études antérieures visant à évaluer l'impact d'une augmentation du trafic sur le nombre d'animaux aperçus et sur leur comportement. Entre1972 et 1997, le nombre annuel de visiteurs au parc national Denali est passé d'environ 45 000 à 350 000, ce qui a amené une augmentation de la circulation sur la route du parc. De 1973 à 1997, le nombre moyen de caribous, de grizzlis et de mouflons de Dall observés n'a pas diminué (p > 0,301). Le nombre d'orignaux observés a décliné de plus de 50 p. cent (R² = 0,529, p < 0,001). La population d'orignaux estimée a aussi baissé durant cette période (R² = 0,374, p < 0,002). La distance, mesurée depuis la route du parc, à laquelle ont été aperçus les caribous et les grizzlis n'a pas changé (p > 0,787), mais on a observé moins d'orignaux (p < 0,031) à moins de 100 m de la route et moins de mouflons de Dall (p < 0,011) entre 400 et 500 m de la route. Des réactions comportementales négatives au trafic (p. ex., fuite à l'approche de véhicules) ont eu lieu dans moins de 1,3 p. cent des cas observés pour chaque espèce. L'augmentation du trafic sur la route du parc ne semble pas avoir causé de changements notables dans l'abondance, la distribution, ou le comportement du caribou, du grizzli, du mouflon de Dall et de l'orignal dans le corridor routier du parc. Article in Journal/Newspaper Alces alces Arctic Rangifer tarandus Ursus arctos Alaska University of Calgary Journal Hosting ARCTIC 53 2 |