Long-distance migrations by inconnu (Stenodus leucichthys) in the Mackenzie River system. Arctic
ABSTRACT. Inconnu (Stenodus leucichthys) stocks of the Mackenzie River drainage exhibit complex life histories. In a single stock, some fish may make occasional or regular movements between freshwater and marine environments while others lead a completely freshwater existence. Many inconnu migrate b...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.576.6361 2023-05-15T14:19:41+02:00 Long-distance migrations by inconnu (Stenodus leucichthys) in the Mackenzie River system. Arctic S. A. Stephenson Jeff A. Burrows John A. Babaluk The Pennsylvania State University CiteSeerX Archives 2005 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.576.6361 http://pubs.aina.ucalgary.ca/arctic/Arctic58-1-21.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.576.6361 http://pubs.aina.ucalgary.ca/arctic/Arctic58-1-21.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://pubs.aina.ucalgary.ca/arctic/Arctic58-1-21.pdf text 2005 ftciteseerx 2016-01-08T12:47:06Z ABSTRACT. Inconnu (Stenodus leucichthys) stocks of the Mackenzie River drainage exhibit complex life histories. In a single stock, some fish may make occasional or regular movements between freshwater and marine environments while others lead a completely freshwater existence. Many inconnu migrate between the Mackenzie River system and the Beaufort Sea, but during spawning migrations, most are believed to move only as far south as the Rampart Rapids near the community of Fort Good Hope. However, an inconnu tagged in the Liard River in northern British Columbia in 2001 was recaptured near Inuvik (Northwest Territories) in 2002, and a second inconnu tagged in the Liard River in 2002 was recaptured near Tuktoyaktuk (Northwest Territories) in 2003. These two fish exhibited some of the longest freshwater migrations by a species from Canadian waters other than Pacific salmon. Otolith strontium distributions of these two fish confirmed migrations of close to 1800 km between fresh and marine waters and indicated different life histories. Additional inconnu tagged in the Liard River in 2002 were recaptured in or near Great Slave Lake in 2002 and 2003. The movements of all these fish suggest that the management of inconnu stocks will be far more complicated than previously thought: they point out the need for management plans and protection that incorporate large geographic areas. Text Arctic Arctic Beaufort Sea Fort Good Hope Great Slave Lake Inuvik Liard River Mackenzie river Northwest Territories Tuktoyaktuk Unknown Arctic Fort Good Hope ENVELOPE(-128.637,-128.637,66.257,66.257) Great Slave Lake ENVELOPE(-114.001,-114.001,61.500,61.500) Inuvik ENVELOPE(-133.610,-133.610,68.341,68.341) Liard ENVELOPE(-67.417,-67.417,-66.850,-66.850) Mackenzie River Northwest Territories Pacific Tuktoyaktuk ENVELOPE(-133.006,-133.006,69.425,69.425) |
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Open Polar |
collection |
Unknown |
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ftciteseerx |
language |
English |
description |
ABSTRACT. Inconnu (Stenodus leucichthys) stocks of the Mackenzie River drainage exhibit complex life histories. In a single stock, some fish may make occasional or regular movements between freshwater and marine environments while others lead a completely freshwater existence. Many inconnu migrate between the Mackenzie River system and the Beaufort Sea, but during spawning migrations, most are believed to move only as far south as the Rampart Rapids near the community of Fort Good Hope. However, an inconnu tagged in the Liard River in northern British Columbia in 2001 was recaptured near Inuvik (Northwest Territories) in 2002, and a second inconnu tagged in the Liard River in 2002 was recaptured near Tuktoyaktuk (Northwest Territories) in 2003. These two fish exhibited some of the longest freshwater migrations by a species from Canadian waters other than Pacific salmon. Otolith strontium distributions of these two fish confirmed migrations of close to 1800 km between fresh and marine waters and indicated different life histories. Additional inconnu tagged in the Liard River in 2002 were recaptured in or near Great Slave Lake in 2002 and 2003. The movements of all these fish suggest that the management of inconnu stocks will be far more complicated than previously thought: they point out the need for management plans and protection that incorporate large geographic areas. |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
S. A. Stephenson Jeff A. Burrows John A. Babaluk |
spellingShingle |
S. A. Stephenson Jeff A. Burrows John A. Babaluk Long-distance migrations by inconnu (Stenodus leucichthys) in the Mackenzie River system. Arctic |
author_facet |
S. A. Stephenson Jeff A. Burrows John A. Babaluk |
author_sort |
S. A. Stephenson |
title |
Long-distance migrations by inconnu (Stenodus leucichthys) in the Mackenzie River system. Arctic |
title_short |
Long-distance migrations by inconnu (Stenodus leucichthys) in the Mackenzie River system. Arctic |
title_full |
Long-distance migrations by inconnu (Stenodus leucichthys) in the Mackenzie River system. Arctic |
title_fullStr |
Long-distance migrations by inconnu (Stenodus leucichthys) in the Mackenzie River system. Arctic |
title_full_unstemmed |
Long-distance migrations by inconnu (Stenodus leucichthys) in the Mackenzie River system. Arctic |
title_sort |
long-distance migrations by inconnu (stenodus leucichthys) in the mackenzie river system. arctic |
publishDate |
2005 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.576.6361 http://pubs.aina.ucalgary.ca/arctic/Arctic58-1-21.pdf |
long_lat |
ENVELOPE(-128.637,-128.637,66.257,66.257) ENVELOPE(-114.001,-114.001,61.500,61.500) ENVELOPE(-133.610,-133.610,68.341,68.341) ENVELOPE(-67.417,-67.417,-66.850,-66.850) ENVELOPE(-133.006,-133.006,69.425,69.425) |
geographic |
Arctic Fort Good Hope Great Slave Lake Inuvik Liard Mackenzie River Northwest Territories Pacific Tuktoyaktuk |
geographic_facet |
Arctic Fort Good Hope Great Slave Lake Inuvik Liard Mackenzie River Northwest Territories Pacific Tuktoyaktuk |
genre |
Arctic Arctic Beaufort Sea Fort Good Hope Great Slave Lake Inuvik Liard River Mackenzie river Northwest Territories Tuktoyaktuk |
genre_facet |
Arctic Arctic Beaufort Sea Fort Good Hope Great Slave Lake Inuvik Liard River Mackenzie river Northwest Territories Tuktoyaktuk |
op_source |
http://pubs.aina.ucalgary.ca/arctic/Arctic58-1-21.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.576.6361 http://pubs.aina.ucalgary.ca/arctic/Arctic58-1-21.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
_version_ |
1766291447943790592 |