Habitat Utilization and Behavioral Interaction of Juvenile Atlantic Salmon ( Salmo salar ) and Rainbow Trout ( S . gairdneri ) in Tributaries of the White River of Vermont
Competition for space between stocked juvenile Atlantic salmon, Salmo salar, and wild juvenile rainbow trout, S. gairdneri, was examined in stream channel experiments, a field experiment, and in field habitat surveys. In stream channels providing riffle and pool habitats, species differed in their d...
Published in: | Canadian Journal of Fisheries and Aquatic Sciences |
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Language: | English |
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Canadian Science Publishing
1986
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Online Access: | http://dx.doi.org/10.1139/f86-244 http://www.nrcresearchpress.com/doi/pdf/10.1139/f86-244 |
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crcansciencepubl:10.1139/f86-244 2023-12-17T10:27:13+01:00 Habitat Utilization and Behavioral Interaction of Juvenile Atlantic Salmon ( Salmo salar ) and Rainbow Trout ( S . gairdneri ) in Tributaries of the White River of Vermont Hearn, William E. Kynard, Boyd E. 1986 http://dx.doi.org/10.1139/f86-244 http://www.nrcresearchpress.com/doi/pdf/10.1139/f86-244 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Fisheries and Aquatic Sciences volume 43, issue 10, page 1988-1998 ISSN 0706-652X 1205-7533 Aquatic Science Ecology, Evolution, Behavior and Systematics journal-article 1986 crcansciencepubl https://doi.org/10.1139/f86-244 2023-11-19T13:39:03Z Competition for space between stocked juvenile Atlantic salmon, Salmo salar, and wild juvenile rainbow trout, S. gairdneri, was examined in stream channel experiments, a field experiment, and in field habitat surveys. In stream channels providing riffle and pool habitats, species differed in their distribution both as underyearlings (0+) and as yearlings (1+). Yearling salmon occurred more often in stream channel riffles during trials with 1+ rainbow trout than during trials testing only salmon; trout distributions in the channels were unaffected by salmon. In a field experiment conducted to determine if the stocking of 0+ Atlantic salmon causes the displacement of resident 0+ rainbow trout, salmon fry were stocked at a density of 85 per 100 m 2 . Emigration from the stocked zone and an unstocked control zone were then monitored daily with four weirs. The 0+ salmon had no apparent effect on the rate of movement of resident rainbow trout fry. During summer and fall field surveys, 0+ salmon occupied deeper and swifter water than 0+ rainbow trout; as yearlings these species occupied similar habitats. In late fall, segregation by habitat occurred: Atlantic salmon were primarily in riffles; rainbow trout were primarily in pools. We found no evidence of competition between cohorts of underyearlings; however, the niche shift by 1+ salmon in the stream channels suggested that, at times, juveniles of these species will compete for space. Article in Journal/Newspaper Atlantic salmon Salmo salar Canadian Science Publishing (via Crossref) Canadian Journal of Fisheries and Aquatic Sciences 43 10 1988 1998 |
institution |
Open Polar |
collection |
Canadian Science Publishing (via Crossref) |
op_collection_id |
crcansciencepubl |
language |
English |
topic |
Aquatic Science Ecology, Evolution, Behavior and Systematics |
spellingShingle |
Aquatic Science Ecology, Evolution, Behavior and Systematics Hearn, William E. Kynard, Boyd E. Habitat Utilization and Behavioral Interaction of Juvenile Atlantic Salmon ( Salmo salar ) and Rainbow Trout ( S . gairdneri ) in Tributaries of the White River of Vermont |
topic_facet |
Aquatic Science Ecology, Evolution, Behavior and Systematics |
description |
Competition for space between stocked juvenile Atlantic salmon, Salmo salar, and wild juvenile rainbow trout, S. gairdneri, was examined in stream channel experiments, a field experiment, and in field habitat surveys. In stream channels providing riffle and pool habitats, species differed in their distribution both as underyearlings (0+) and as yearlings (1+). Yearling salmon occurred more often in stream channel riffles during trials with 1+ rainbow trout than during trials testing only salmon; trout distributions in the channels were unaffected by salmon. In a field experiment conducted to determine if the stocking of 0+ Atlantic salmon causes the displacement of resident 0+ rainbow trout, salmon fry were stocked at a density of 85 per 100 m 2 . Emigration from the stocked zone and an unstocked control zone were then monitored daily with four weirs. The 0+ salmon had no apparent effect on the rate of movement of resident rainbow trout fry. During summer and fall field surveys, 0+ salmon occupied deeper and swifter water than 0+ rainbow trout; as yearlings these species occupied similar habitats. In late fall, segregation by habitat occurred: Atlantic salmon were primarily in riffles; rainbow trout were primarily in pools. We found no evidence of competition between cohorts of underyearlings; however, the niche shift by 1+ salmon in the stream channels suggested that, at times, juveniles of these species will compete for space. |
format |
Article in Journal/Newspaper |
author |
Hearn, William E. Kynard, Boyd E. |
author_facet |
Hearn, William E. Kynard, Boyd E. |
author_sort |
Hearn, William E. |
title |
Habitat Utilization and Behavioral Interaction of Juvenile Atlantic Salmon ( Salmo salar ) and Rainbow Trout ( S . gairdneri ) in Tributaries of the White River of Vermont |
title_short |
Habitat Utilization and Behavioral Interaction of Juvenile Atlantic Salmon ( Salmo salar ) and Rainbow Trout ( S . gairdneri ) in Tributaries of the White River of Vermont |
title_full |
Habitat Utilization and Behavioral Interaction of Juvenile Atlantic Salmon ( Salmo salar ) and Rainbow Trout ( S . gairdneri ) in Tributaries of the White River of Vermont |
title_fullStr |
Habitat Utilization and Behavioral Interaction of Juvenile Atlantic Salmon ( Salmo salar ) and Rainbow Trout ( S . gairdneri ) in Tributaries of the White River of Vermont |
title_full_unstemmed |
Habitat Utilization and Behavioral Interaction of Juvenile Atlantic Salmon ( Salmo salar ) and Rainbow Trout ( S . gairdneri ) in Tributaries of the White River of Vermont |
title_sort |
habitat utilization and behavioral interaction of juvenile atlantic salmon ( salmo salar ) and rainbow trout ( s . gairdneri ) in tributaries of the white river of vermont |
publisher |
Canadian Science Publishing |
publishDate |
1986 |
url |
http://dx.doi.org/10.1139/f86-244 http://www.nrcresearchpress.com/doi/pdf/10.1139/f86-244 |
genre |
Atlantic salmon Salmo salar |
genre_facet |
Atlantic salmon Salmo salar |
op_source |
Canadian Journal of Fisheries and Aquatic Sciences volume 43, issue 10, page 1988-1998 ISSN 0706-652X 1205-7533 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/f86-244 |
container_title |
Canadian Journal of Fisheries and Aquatic Sciences |
container_volume |
43 |
container_issue |
10 |
container_start_page |
1988 |
op_container_end_page |
1998 |
_version_ |
1785579004066004992 |