Walleye and goldeye fisheries investigations in the Peace-Athabasca Delta – 1975
The following report presents the results of- investigations on walleye and goldeye in the Peace-Athabasca Delta in 1975. The report is divided into four main sections that concern the following topics: (1) walleye in the Richardson Lake – Lake Athabasca system; (2) goldeye in the Lake Claire – Mama...
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Online Access: | https://doi.org/10.7939/R3MW28F66 https://era.library.ualberta.ca/items/9fdea349-73ae-4e0a-8fb3-994a5e4a4163 |
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fttriple:oai:gotriple.eu:10670/1.3g7dq1 2023-05-15T17:06:26+02:00 Walleye and goldeye fisheries investigations in the Peace-Athabasca Delta – 1975 Kristensen, J. Ott, B. S. Sekerak, A. D. 1976-01-01 https://doi.org/10.7939/R3MW28F66 https://era.library.ualberta.ca/items/9fdea349-73ae-4e0a-8fb3-994a5e4a4163 en eng doi:10.7939/R3MW28F66 10670/1.3g7dq1 https://era.library.ualberta.ca/items/9fdea349-73ae-4e0a-8fb3-994a5e4a4163 other ERA : Education and Research Archive geo envir Other https://vocabularies.coar-repositories.org/resource_types/c_1843/ 1976 fttriple https://doi.org/10.7939/R3MW28F66 2023-01-22T17:25:04Z The following report presents the results of- investigations on walleye and goldeye in the Peace-Athabasca Delta in 1975. The report is divided into four main sections that concern the following topics: (1) walleye in the Richardson Lake – Lake Athabasca system; (2) goldeye in the Lake Claire – Mamawi Lake system; (3) field observations of the completed Little Rapids weir on Riviere des Rochers; (4) assessment of field trials of the feasibility of marking fish with acrylic dye. Spawning success, movement, distribution, age structure, and several other biological characteristics of walleye and goldeye in the Peace-Athabasca Delta are discussed. The results of fisheries investigations in 1975 were generally incomplete because of the late initiation (mid-July) of the field work, and must therefore be interpreted carefully. BACKGROUND AND PERSPECTIVE The study on walleye and goldeye in the Peace-Athabasca Delta was sponsored by the Aquatic Fauna Technical Research Committee of AOSERP, in cooperation with the Peace Athabasca Delta Monitoring Group. This group is a multidisciplinary committee composed of representatives from governments of Alberta. Saskatchewan and Canada, and charged with the responsibility of monitoring the effects of remedial measures taken to restore water levels in the delta region. AOSERP funded the investigation in order to gain insight into baseline conditions with respect to walleye and goldeye in the Peace-Athabasca Delta. Walleye Investigations The primary objectives of this study were to delimit fry production in Richardson Lake during 1975 and to obtain the current age structure of the Lake Athabasca walleye population. A secondary objective was to obtain length-weight, age-length relationships and to determine sex ratios for the Lake Athabasca walleye. Studies on walleye fry numbers in the Delta region, surveys of some Saskatchewan streams along the south shore of Lake Athabasca and studies on life history and population dynamics of walleye in the delta have provided evidence that ... Other/Unknown Material Lake Athabasca Lake Claire Unknown Canada Lake Claire ENVELOPE(-112.083,-112.083,58.583,58.583) Little Rapids ENVELOPE(-111.185,-111.185,58.917,58.917) Mamawi Lake ENVELOPE(-111.484,-111.484,58.599,58.599) Peace-Athabasca Delta ENVELOPE(-111.502,-111.502,58.667,58.667) Weir ENVELOPE(177.167,177.167,-84.983,-84.983) |
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Open Polar |
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Unknown |
op_collection_id |
fttriple |
language |
English |
topic |
geo envir |
spellingShingle |
geo envir Kristensen, J. Ott, B. S. Sekerak, A. D. Walleye and goldeye fisheries investigations in the Peace-Athabasca Delta – 1975 |
topic_facet |
geo envir |
description |
The following report presents the results of- investigations on walleye and goldeye in the Peace-Athabasca Delta in 1975. The report is divided into four main sections that concern the following topics: (1) walleye in the Richardson Lake – Lake Athabasca system; (2) goldeye in the Lake Claire – Mamawi Lake system; (3) field observations of the completed Little Rapids weir on Riviere des Rochers; (4) assessment of field trials of the feasibility of marking fish with acrylic dye. Spawning success, movement, distribution, age structure, and several other biological characteristics of walleye and goldeye in the Peace-Athabasca Delta are discussed. The results of fisheries investigations in 1975 were generally incomplete because of the late initiation (mid-July) of the field work, and must therefore be interpreted carefully. BACKGROUND AND PERSPECTIVE The study on walleye and goldeye in the Peace-Athabasca Delta was sponsored by the Aquatic Fauna Technical Research Committee of AOSERP, in cooperation with the Peace Athabasca Delta Monitoring Group. This group is a multidisciplinary committee composed of representatives from governments of Alberta. Saskatchewan and Canada, and charged with the responsibility of monitoring the effects of remedial measures taken to restore water levels in the delta region. AOSERP funded the investigation in order to gain insight into baseline conditions with respect to walleye and goldeye in the Peace-Athabasca Delta. Walleye Investigations The primary objectives of this study were to delimit fry production in Richardson Lake during 1975 and to obtain the current age structure of the Lake Athabasca walleye population. A secondary objective was to obtain length-weight, age-length relationships and to determine sex ratios for the Lake Athabasca walleye. Studies on walleye fry numbers in the Delta region, surveys of some Saskatchewan streams along the south shore of Lake Athabasca and studies on life history and population dynamics of walleye in the delta have provided evidence that ... |
format |
Other/Unknown Material |
author |
Kristensen, J. Ott, B. S. Sekerak, A. D. |
author_facet |
Kristensen, J. Ott, B. S. Sekerak, A. D. |
author_sort |
Kristensen, J. |
title |
Walleye and goldeye fisheries investigations in the Peace-Athabasca Delta – 1975 |
title_short |
Walleye and goldeye fisheries investigations in the Peace-Athabasca Delta – 1975 |
title_full |
Walleye and goldeye fisheries investigations in the Peace-Athabasca Delta – 1975 |
title_fullStr |
Walleye and goldeye fisheries investigations in the Peace-Athabasca Delta – 1975 |
title_full_unstemmed |
Walleye and goldeye fisheries investigations in the Peace-Athabasca Delta – 1975 |
title_sort |
walleye and goldeye fisheries investigations in the peace-athabasca delta – 1975 |
publishDate |
1976 |
url |
https://doi.org/10.7939/R3MW28F66 https://era.library.ualberta.ca/items/9fdea349-73ae-4e0a-8fb3-994a5e4a4163 |
long_lat |
ENVELOPE(-112.083,-112.083,58.583,58.583) ENVELOPE(-111.185,-111.185,58.917,58.917) ENVELOPE(-111.484,-111.484,58.599,58.599) ENVELOPE(-111.502,-111.502,58.667,58.667) ENVELOPE(177.167,177.167,-84.983,-84.983) |
geographic |
Canada Lake Claire Little Rapids Mamawi Lake Peace-Athabasca Delta Weir |
geographic_facet |
Canada Lake Claire Little Rapids Mamawi Lake Peace-Athabasca Delta Weir |
genre |
Lake Athabasca Lake Claire |
genre_facet |
Lake Athabasca Lake Claire |
op_source |
ERA : Education and Research Archive |
op_relation |
doi:10.7939/R3MW28F66 10670/1.3g7dq1 https://era.library.ualberta.ca/items/9fdea349-73ae-4e0a-8fb3-994a5e4a4163 |
op_rights |
other |
op_doi |
https://doi.org/10.7939/R3MW28F66 |
_version_ |
1766061572207149056 |