The Freshwater Copepod Limnocalanus macrurus in the Canadian Arctic Archipelago: Numbers, Weights, and Respiration Observed from September 1961 – July 1962
Numbers, weights, and oxygen consumption of the copepod Limnocalanus macrurus were measured through the winter 1961 – 62 under the ice of Immerk Lake on Devon Island, Arctic Canada. Maximum abundance was 2361 animals per m3 found under ice in mid June, average adult wet weight was 65 μg, and hourly...
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The Arctic Institute of North America
2013
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ftunivcalgaryojs:oai:journalhosting.ucalgary.ca:article/67311 2023-05-15T14:19:22+02:00 The Freshwater Copepod Limnocalanus macrurus in the Canadian Arctic Archipelago: Numbers, Weights, and Respiration Observed from September 1961 – July 1962 Apollonio, Spencer Saros, Jasmine E. 2013-03-08 application/pdf https://journalhosting.ucalgary.ca/index.php/arctic/article/view/67311 eng eng The Arctic Institute of North America https://journalhosting.ucalgary.ca/index.php/arctic/article/view/67311/51221 https://journalhosting.ucalgary.ca/index.php/arctic/article/view/67311 ARCTIC; Vol. 66 No. 1 (2013): March: 1–138; 37–42 1923-1245 0004-0843 Limnocalanus macrurus Arctic lake copepod numbers weights respiration Arctic lake metabolism nombre de copépodes des lacs de l’Arctique poids métabolisme des lacs de l’Arctique info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion research-article 2013 ftunivcalgaryojs 2022-03-22T21:24:02Z Numbers, weights, and oxygen consumption of the copepod Limnocalanus macrurus were measured through the winter 1961 – 62 under the ice of Immerk Lake on Devon Island, Arctic Canada. Maximum abundance was 2361 animals per m3 found under ice in mid June, average adult wet weight was 65 μg, and hourly oxygen consumption per adult ranged from 0.26 μg in late summer to 0.03 μg in early winter. The results are compared with results from Char Lake and Resolute Lake on Cornwallis Island, Arctic Canada. The Immerk population was more stable than those at the other lakes, and weights and oxygen consumption appear to be comparable. The seasonal breeding cycle at Immerk Lake was different from that at Char Lake and similar to that at Resolute Lake. A comparison of Immerk Lake data from 1961 – 62 and 1972 – 73 showed almost identical levels of total oxygen metabolism. Immerk Lake copepod oxygen consumption was 6.5% of the total lake metabolism, while that at Char Lake was 6%. These data may assist in future assessment of climate or anthropogenic changes. Le nombre, le poids et la consommation d’oxygène du copépode Limnocalanus macrurus ont été prélevés au cours de l’hiver 1961-1962 sous la glace du lac Immerk, sur l’île Devond, dans l’Arctique canadien. L’abondance maximale se dénombrait à 2 361 animaux par m3 sous la glace au milieu de juin, tandis que le poids humide moyen d’un copépode adulte s’élevait à 65 μg, et que la consommation horaire d’oxygène par adulte variait entre 0,26 μg en fin d’été et 0,03 μg en début d’hiver. Les résultats ont été comparés aux résultats obtenus au lac Char et au lac Resolute sur l’île Cornwallis, dans l’Arctique canadien. La population du lac Immerk était plus stable que celle des autres lacs, tandis que le poids et la consommation d’oxygène de cette population semblaient comparables. Au lac Immerk, le cycle de reproduction saisonnier différait de celui du lac Char, mais il s’apparentait à celui du lac Resolute. La comparaison des données recueillies au lac Immerk en 1961-1962 ainsi qu’en 1972-1973 a affiché des taux quasi identiques sur le plan du métabolisme de l’oxygène total. La consommation d’oxygène chez le copépode du lac Immerk correspondait à 6,5 % du métabolisme total du lac, tandis qu’au lac Char, ce taux s’élevait à 6 %. Ces données pourraient aider à évaluer le climat à l’avenir ou à déterminer les changements de nature anthropique. Article in Journal/Newspaper Arctic Arctic Archipelago Arctic Canadian Arctic Archipelago Cornwallis Island Devon Island University of Calgary Journal Hosting Arctic Arctic Lake ENVELOPE(-130.826,-130.826,57.231,57.231) Canada Canadian Arctic Archipelago Cornwallis ENVELOPE(-54.464,-54.464,-61.072,-61.072) Cornwallis Island ENVELOPE(-95.001,-95.001,75.135,75.135) Devon Island ENVELOPE(-88.000,-88.000,75.252,75.252) Immerk Lake ENVELOPE(-84.550,-84.550,75.683,75.683) Resolute Lake ENVELOPE(-94.941,-94.941,74.688,74.688) ARCTIC 66 1 |
institution |
Open Polar |
collection |
University of Calgary Journal Hosting |
op_collection_id |
ftunivcalgaryojs |
language |
English |
topic |
Limnocalanus macrurus Arctic lake copepod numbers weights respiration Arctic lake metabolism nombre de copépodes des lacs de l’Arctique poids métabolisme des lacs de l’Arctique |
spellingShingle |
Limnocalanus macrurus Arctic lake copepod numbers weights respiration Arctic lake metabolism nombre de copépodes des lacs de l’Arctique poids métabolisme des lacs de l’Arctique Apollonio, Spencer Saros, Jasmine E. The Freshwater Copepod Limnocalanus macrurus in the Canadian Arctic Archipelago: Numbers, Weights, and Respiration Observed from September 1961 – July 1962 |
topic_facet |
Limnocalanus macrurus Arctic lake copepod numbers weights respiration Arctic lake metabolism nombre de copépodes des lacs de l’Arctique poids métabolisme des lacs de l’Arctique |
description |
Numbers, weights, and oxygen consumption of the copepod Limnocalanus macrurus were measured through the winter 1961 – 62 under the ice of Immerk Lake on Devon Island, Arctic Canada. Maximum abundance was 2361 animals per m3 found under ice in mid June, average adult wet weight was 65 μg, and hourly oxygen consumption per adult ranged from 0.26 μg in late summer to 0.03 μg in early winter. The results are compared with results from Char Lake and Resolute Lake on Cornwallis Island, Arctic Canada. The Immerk population was more stable than those at the other lakes, and weights and oxygen consumption appear to be comparable. The seasonal breeding cycle at Immerk Lake was different from that at Char Lake and similar to that at Resolute Lake. A comparison of Immerk Lake data from 1961 – 62 and 1972 – 73 showed almost identical levels of total oxygen metabolism. Immerk Lake copepod oxygen consumption was 6.5% of the total lake metabolism, while that at Char Lake was 6%. These data may assist in future assessment of climate or anthropogenic changes. Le nombre, le poids et la consommation d’oxygène du copépode Limnocalanus macrurus ont été prélevés au cours de l’hiver 1961-1962 sous la glace du lac Immerk, sur l’île Devond, dans l’Arctique canadien. L’abondance maximale se dénombrait à 2 361 animaux par m3 sous la glace au milieu de juin, tandis que le poids humide moyen d’un copépode adulte s’élevait à 65 μg, et que la consommation horaire d’oxygène par adulte variait entre 0,26 μg en fin d’été et 0,03 μg en début d’hiver. Les résultats ont été comparés aux résultats obtenus au lac Char et au lac Resolute sur l’île Cornwallis, dans l’Arctique canadien. La population du lac Immerk était plus stable que celle des autres lacs, tandis que le poids et la consommation d’oxygène de cette population semblaient comparables. Au lac Immerk, le cycle de reproduction saisonnier différait de celui du lac Char, mais il s’apparentait à celui du lac Resolute. La comparaison des données recueillies au lac Immerk en 1961-1962 ainsi qu’en 1972-1973 a affiché des taux quasi identiques sur le plan du métabolisme de l’oxygène total. La consommation d’oxygène chez le copépode du lac Immerk correspondait à 6,5 % du métabolisme total du lac, tandis qu’au lac Char, ce taux s’élevait à 6 %. Ces données pourraient aider à évaluer le climat à l’avenir ou à déterminer les changements de nature anthropique. |
format |
Article in Journal/Newspaper |
author |
Apollonio, Spencer Saros, Jasmine E. |
author_facet |
Apollonio, Spencer Saros, Jasmine E. |
author_sort |
Apollonio, Spencer |
title |
The Freshwater Copepod Limnocalanus macrurus in the Canadian Arctic Archipelago: Numbers, Weights, and Respiration Observed from September 1961 – July 1962 |
title_short |
The Freshwater Copepod Limnocalanus macrurus in the Canadian Arctic Archipelago: Numbers, Weights, and Respiration Observed from September 1961 – July 1962 |
title_full |
The Freshwater Copepod Limnocalanus macrurus in the Canadian Arctic Archipelago: Numbers, Weights, and Respiration Observed from September 1961 – July 1962 |
title_fullStr |
The Freshwater Copepod Limnocalanus macrurus in the Canadian Arctic Archipelago: Numbers, Weights, and Respiration Observed from September 1961 – July 1962 |
title_full_unstemmed |
The Freshwater Copepod Limnocalanus macrurus in the Canadian Arctic Archipelago: Numbers, Weights, and Respiration Observed from September 1961 – July 1962 |
title_sort |
freshwater copepod limnocalanus macrurus in the canadian arctic archipelago: numbers, weights, and respiration observed from september 1961 – july 1962 |
publisher |
The Arctic Institute of North America |
publishDate |
2013 |
url |
https://journalhosting.ucalgary.ca/index.php/arctic/article/view/67311 |
long_lat |
ENVELOPE(-130.826,-130.826,57.231,57.231) ENVELOPE(-54.464,-54.464,-61.072,-61.072) ENVELOPE(-95.001,-95.001,75.135,75.135) ENVELOPE(-88.000,-88.000,75.252,75.252) ENVELOPE(-84.550,-84.550,75.683,75.683) ENVELOPE(-94.941,-94.941,74.688,74.688) |
geographic |
Arctic Arctic Lake Canada Canadian Arctic Archipelago Cornwallis Cornwallis Island Devon Island Immerk Lake Resolute Lake |
geographic_facet |
Arctic Arctic Lake Canada Canadian Arctic Archipelago Cornwallis Cornwallis Island Devon Island Immerk Lake Resolute Lake |
genre |
Arctic Arctic Archipelago Arctic Canadian Arctic Archipelago Cornwallis Island Devon Island |
genre_facet |
Arctic Arctic Archipelago Arctic Canadian Arctic Archipelago Cornwallis Island Devon Island |
op_source |
ARCTIC; Vol. 66 No. 1 (2013): March: 1–138; 37–42 1923-1245 0004-0843 |
op_relation |
https://journalhosting.ucalgary.ca/index.php/arctic/article/view/67311/51221 https://journalhosting.ucalgary.ca/index.php/arctic/article/view/67311 |
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ARCTIC |
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66 |
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