World status of wild Rangifer tarandus populations
We recognized 184 herds of wild Rangifer tarandus, 102 in North America, 55 in Europe, 24 in Asia and 3 on South Georgia. Seventy-five percent of the world population of 3.3 to 3.9 million animals occurred in nine herds. All seven herds larger than 120 000 animals were censused by some means of aeri...
Published in: | Rangifer |
---|---|
Main Authors: | , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Septentrio Academic Publishing
1986
|
Subjects: | |
Online Access: | https://doi.org/10.7557/2.6.2.553 https://doaj.org/article/5346889dbb964adb95ea59166efe56b5 |
id |
ftdoajarticles:oai:doaj.org/article:5346889dbb964adb95ea59166efe56b5 |
---|---|
record_format |
openpolar |
spelling |
ftdoajarticles:oai:doaj.org/article:5346889dbb964adb95ea59166efe56b5 2023-05-15T15:53:32+02:00 World status of wild Rangifer tarandus populations T. Mark Williams Douglas C. Heard 1986-06-01T00:00:00Z https://doi.org/10.7557/2.6.2.553 https://doaj.org/article/5346889dbb964adb95ea59166efe56b5 EN eng Septentrio Academic Publishing https://septentrio.uit.no/index.php/rangifer/article/view/553 https://doaj.org/toc/1890-6729 doi:10.7557/2.6.2.553 1890-6729 https://doaj.org/article/5346889dbb964adb95ea59166efe56b5 Rangifer, Vol 6, Iss 2 (1986) Rangifer tarandus caribou reinder North America Europe Asia Animal culture SF1-1100 article 1986 ftdoajarticles https://doi.org/10.7557/2.6.2.553 2022-12-31T14:52:27Z We recognized 184 herds of wild Rangifer tarandus, 102 in North America, 55 in Europe, 24 in Asia and 3 on South Georgia. Seventy-five percent of the world population of 3.3 to 3.9 million animals occurred in nine herds. All seven herds larger than 120 000 animals were censused by some means of aerial photography and all were increasing. Herds between 20 000 and 120 000 were most often censused using aerial strip transect methods, while total counts were usually employed to census smaller herds. The most pronounced changes in Rangifer herd status between 1979 and 1985 occurred in North America where population "estimates for five herds increased by a total of about one million animals. Part of this increase is attributable to a change from visual to photographic surveys. Eighty-three percent of North American, 88% of European, and 68% of Asian herds were stable or increasing. Article in Journal/Newspaper caribou Rangifer Rangifer tarandus Directory of Open Access Journals: DOAJ Articles Rangifer 6 2 19 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Rangifer tarandus caribou reinder North America Europe Asia Animal culture SF1-1100 |
spellingShingle |
Rangifer tarandus caribou reinder North America Europe Asia Animal culture SF1-1100 T. Mark Williams Douglas C. Heard World status of wild Rangifer tarandus populations |
topic_facet |
Rangifer tarandus caribou reinder North America Europe Asia Animal culture SF1-1100 |
description |
We recognized 184 herds of wild Rangifer tarandus, 102 in North America, 55 in Europe, 24 in Asia and 3 on South Georgia. Seventy-five percent of the world population of 3.3 to 3.9 million animals occurred in nine herds. All seven herds larger than 120 000 animals were censused by some means of aerial photography and all were increasing. Herds between 20 000 and 120 000 were most often censused using aerial strip transect methods, while total counts were usually employed to census smaller herds. The most pronounced changes in Rangifer herd status between 1979 and 1985 occurred in North America where population "estimates for five herds increased by a total of about one million animals. Part of this increase is attributable to a change from visual to photographic surveys. Eighty-three percent of North American, 88% of European, and 68% of Asian herds were stable or increasing. |
format |
Article in Journal/Newspaper |
author |
T. Mark Williams Douglas C. Heard |
author_facet |
T. Mark Williams Douglas C. Heard |
author_sort |
T. Mark Williams |
title |
World status of wild Rangifer tarandus populations |
title_short |
World status of wild Rangifer tarandus populations |
title_full |
World status of wild Rangifer tarandus populations |
title_fullStr |
World status of wild Rangifer tarandus populations |
title_full_unstemmed |
World status of wild Rangifer tarandus populations |
title_sort |
world status of wild rangifer tarandus populations |
publisher |
Septentrio Academic Publishing |
publishDate |
1986 |
url |
https://doi.org/10.7557/2.6.2.553 https://doaj.org/article/5346889dbb964adb95ea59166efe56b5 |
genre |
caribou Rangifer Rangifer tarandus |
genre_facet |
caribou Rangifer Rangifer tarandus |
op_source |
Rangifer, Vol 6, Iss 2 (1986) |
op_relation |
https://septentrio.uit.no/index.php/rangifer/article/view/553 https://doaj.org/toc/1890-6729 doi:10.7557/2.6.2.553 1890-6729 https://doaj.org/article/5346889dbb964adb95ea59166efe56b5 |
op_doi |
https://doi.org/10.7557/2.6.2.553 |
container_title |
Rangifer |
container_volume |
6 |
container_issue |
2 |
container_start_page |
19 |
_version_ |
1766388634687111168 |