Journal article 1041 views
Shrinking fish: comparisons of prehistoric and contemporary salmonids indicate decreasing size at age across millennia
Royal Society Open Science, Volume: 1, Issue: 2, Pages: 140026 - 140026
Swansea University Author: Carlos Garcia De Leaniz
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DOI (Published version): 10.1098/rsos.140026
Abstract
A comparison of Upper Palaeolithic and contemporary salmonid vertebrae from the Iberian Peninsula indicates that there has been a significant decrease in the mean body size for a given age among Atlantic salmon and brown trout inhabiting the southernmost range of their endemic distribution. Mean siz...
Published in: | Royal Society Open Science |
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2014
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URI: | https://cronfa.swan.ac.uk/Record/cronfa23640 |
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2018-02-09T05:02:40Z |
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2017-10-25T17:07:15.5037154 v2 23640 2015-10-08 Shrinking fish: comparisons of prehistoric and contemporary salmonids indicate decreasing size at age across millennia 1c70acd0fd64edb0856b7cf34393ab02 0000-0003-1650-2729 Carlos Garcia De Leaniz Carlos Garcia De Leaniz true false 2015-10-08 BGPS A comparison of Upper Palaeolithic and contemporary salmonid vertebrae from the Iberian Peninsula indicates that there has been a significant decrease in the mean body size for a given age among Atlantic salmon and brown trout inhabiting the southernmost range of their endemic distribution. Mean size at age was greater in prehistoric specimens for all age classes during the freshwater phase of their life histories. Fisheries-induced evolution (selection for smaller sizes) is an obvious explanation for the observed reduction in fish body size, but recent changes in the aquatic habitat affecting density-dependent growth cannot be ruled out. Journal Article Royal Society Open Science 1 2 140026 140026 31 12 2014 2014-12-31 10.1098/rsos.140026 COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University 2017-10-25T17:07:15.5037154 2015-10-08T20:00:42.8226111 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Pablo Turrero 1 Eva Garcia-Vazquez 2 Carlos Garcia De Leaniz 0000-0003-1650-2729 3 |
title |
Shrinking fish: comparisons of prehistoric and contemporary salmonids indicate decreasing size at age across millennia |
spellingShingle |
Shrinking fish: comparisons of prehistoric and contemporary salmonids indicate decreasing size at age across millennia Carlos Garcia De Leaniz |
title_short |
Shrinking fish: comparisons of prehistoric and contemporary salmonids indicate decreasing size at age across millennia |
title_full |
Shrinking fish: comparisons of prehistoric and contemporary salmonids indicate decreasing size at age across millennia |
title_fullStr |
Shrinking fish: comparisons of prehistoric and contemporary salmonids indicate decreasing size at age across millennia |
title_full_unstemmed |
Shrinking fish: comparisons of prehistoric and contemporary salmonids indicate decreasing size at age across millennia |
title_sort |
Shrinking fish: comparisons of prehistoric and contemporary salmonids indicate decreasing size at age across millennia |
author_id_str_mv |
1c70acd0fd64edb0856b7cf34393ab02 |
author_id_fullname_str_mv |
1c70acd0fd64edb0856b7cf34393ab02_***_Carlos Garcia De Leaniz |
author |
Carlos Garcia De Leaniz |
author2 |
Pablo Turrero Eva Garcia-Vazquez Carlos Garcia De Leaniz |
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Royal Society Open Science |
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140026 |
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2014 |
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Swansea University |
doi_str_mv |
10.1098/rsos.140026 |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences |
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description |
A comparison of Upper Palaeolithic and contemporary salmonid vertebrae from the Iberian Peninsula indicates that there has been a significant decrease in the mean body size for a given age among Atlantic salmon and brown trout inhabiting the southernmost range of their endemic distribution. Mean size at age was greater in prehistoric specimens for all age classes during the freshwater phase of their life histories. Fisheries-induced evolution (selection for smaller sizes) is an obvious explanation for the observed reduction in fish body size, but recent changes in the aquatic habitat affecting density-dependent growth cannot be ruled out. |
published_date |
2014-12-31T06:42:07Z |
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1822655069227581440 |
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11.048994 |