Long-term changes of the Lake Michigan fish community following the reduction of exotic alewife ( Alosa pseudoharengus)
We used our long-term annual bottom trawl survey (1973–2004) in Lake Michigan to reveal the response of the native fish community to the biological control of a dominant exotic fish, alewife (Alosa pseudoharengus), as well as to changes in total phosphorus and salmonine biomass. Through nonmetric mu...
Published in: | Canadian Journal of Fisheries and Aquatic Sciences |
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crcansciencepubl:10.1139/f06-132 2024-09-15T18:00:31+00:00 Long-term changes of the Lake Michigan fish community following the reduction of exotic alewife ( Alosa pseudoharengus) Bunnell, David B Madenjian, Charles P Claramunt, Randall M 2006 http://dx.doi.org/10.1139/f06-132 http://www.nrcresearchpress.com/doi/pdf/10.1139/f06-132 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Fisheries and Aquatic Sciences volume 63, issue 11, page 2434-2446 ISSN 0706-652X 1205-7533 journal-article 2006 crcansciencepubl https://doi.org/10.1139/f06-132 2024-08-15T04:09:29Z We used our long-term annual bottom trawl survey (1973–2004) in Lake Michigan to reveal the response of the native fish community to the biological control of a dominant exotic fish, alewife (Alosa pseudoharengus), as well as to changes in total phosphorus and salmonine biomass. Through nonmetric multidimensional scaling, we documented a 1970s community largely dominated by alewife, and then a shift to a community dominated by several native species during the 1980s through 1990s, when alewife remained at relatively low levels. We argue that the recovery of burbot (Lota lota), deepwater sculpin (Myoxocephalus thompsonii), and yellow perch (Perca flavescens) was partially or fully aided by the alewife reduction. We argue that changes in phosphorus or salmonines were not directly related to abundance increases of native species. An additional community shift occurred during 1999–2004, which coincided with a reduction in species richness and total fish biomass in our trawl. The mechanisms underlying this latest shift may be related to reductions in nutrients, but further research is required. The restoration of the native fish community has been incomplete, however, as emerald shiner (Notropis atherinioides), cisco (Coregonus artedii), and lake trout (Salvelinus namaycush) have yet to demonstrate recovery. Article in Journal/Newspaper Burbot Lota lota lota Canadian Science Publishing Canadian Journal of Fisheries and Aquatic Sciences 63 11 2434 2446 |
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Canadian Science Publishing |
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language |
English |
description |
We used our long-term annual bottom trawl survey (1973–2004) in Lake Michigan to reveal the response of the native fish community to the biological control of a dominant exotic fish, alewife (Alosa pseudoharengus), as well as to changes in total phosphorus and salmonine biomass. Through nonmetric multidimensional scaling, we documented a 1970s community largely dominated by alewife, and then a shift to a community dominated by several native species during the 1980s through 1990s, when alewife remained at relatively low levels. We argue that the recovery of burbot (Lota lota), deepwater sculpin (Myoxocephalus thompsonii), and yellow perch (Perca flavescens) was partially or fully aided by the alewife reduction. We argue that changes in phosphorus or salmonines were not directly related to abundance increases of native species. An additional community shift occurred during 1999–2004, which coincided with a reduction in species richness and total fish biomass in our trawl. The mechanisms underlying this latest shift may be related to reductions in nutrients, but further research is required. The restoration of the native fish community has been incomplete, however, as emerald shiner (Notropis atherinioides), cisco (Coregonus artedii), and lake trout (Salvelinus namaycush) have yet to demonstrate recovery. |
format |
Article in Journal/Newspaper |
author |
Bunnell, David B Madenjian, Charles P Claramunt, Randall M |
spellingShingle |
Bunnell, David B Madenjian, Charles P Claramunt, Randall M Long-term changes of the Lake Michigan fish community following the reduction of exotic alewife ( Alosa pseudoharengus) |
author_facet |
Bunnell, David B Madenjian, Charles P Claramunt, Randall M |
author_sort |
Bunnell, David B |
title |
Long-term changes of the Lake Michigan fish community following the reduction of exotic alewife ( Alosa pseudoharengus) |
title_short |
Long-term changes of the Lake Michigan fish community following the reduction of exotic alewife ( Alosa pseudoharengus) |
title_full |
Long-term changes of the Lake Michigan fish community following the reduction of exotic alewife ( Alosa pseudoharengus) |
title_fullStr |
Long-term changes of the Lake Michigan fish community following the reduction of exotic alewife ( Alosa pseudoharengus) |
title_full_unstemmed |
Long-term changes of the Lake Michigan fish community following the reduction of exotic alewife ( Alosa pseudoharengus) |
title_sort |
long-term changes of the lake michigan fish community following the reduction of exotic alewife ( alosa pseudoharengus) |
publisher |
Canadian Science Publishing |
publishDate |
2006 |
url |
http://dx.doi.org/10.1139/f06-132 http://www.nrcresearchpress.com/doi/pdf/10.1139/f06-132 |
genre |
Burbot Lota lota lota |
genre_facet |
Burbot Lota lota lota |
op_source |
Canadian Journal of Fisheries and Aquatic Sciences volume 63, issue 11, page 2434-2446 ISSN 0706-652X 1205-7533 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/f06-132 |
container_title |
Canadian Journal of Fisheries and Aquatic Sciences |
container_volume |
63 |
container_issue |
11 |
container_start_page |
2434 |
op_container_end_page |
2446 |
_version_ |
1810437680682500096 |