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Pop Up Satellite Tags Impair Swimming Performance and Energetics of the European Eel (Anguilla anguilla)
Pop-up satellite archival tags (PSATs) have recently been applied in attempts to follow the oceanic spawning migration of the European eel. PSATs are quite large, and in all likelihood their hydraulic drag constitutes an additional cost during swimming, which remains to be quantified, as does the po...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2011
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3110781/ https://www.ncbi.nlm.nih.gov/pubmed/21687674 http://dx.doi.org/10.1371/journal.pone.0020797 |
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author | Methling, Caroline Tudorache, Christian Skov, Peter V. Steffensen, John F. |
author_facet | Methling, Caroline Tudorache, Christian Skov, Peter V. Steffensen, John F. |
author_sort | Methling, Caroline |
collection | PubMed |
description | Pop-up satellite archival tags (PSATs) have recently been applied in attempts to follow the oceanic spawning migration of the European eel. PSATs are quite large, and in all likelihood their hydraulic drag constitutes an additional cost during swimming, which remains to be quantified, as does the potential implication for successful migration. Silver eels (L(T) = 598.6±29 mm SD, N = 9) were subjected to swimming trials in a Steffensen-type swim tunnel at increasing speeds of 0.3–0.9 body lengths s(−1), first without and subsequently with, a scaled down PSAT dummy attached. The tag significantly increased oxygen consumption (MO(2)) during swimming and elevated minimum cost of transport (COT(min)) by 26%. Standard (SMR) and active metabolic rate (AMR) as well as metabolic scope remained unaffected, suggesting that the observed effects were caused by increased drag. Optimal swimming speed (U (opt)) was unchanged, whereas critical swimming speed (U (crit)) decreased significantly. Swimming with a PSAT altered swimming kinematics as verified by significant changes to tail beat frequency (f), body wave speed (v) and Strouhal number (St). The results demonstrate that energy expenditure, swimming performance and efficiency all are significantly affected in migrating eels with external tags. |
format | Online Article Text |
id | pubmed-3110781 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2011 |
publisher | Public Library of Science |
record_format | MEDLINE/PubMed |
spelling | pubmed-31107812011-06-16 Pop Up Satellite Tags Impair Swimming Performance and Energetics of the European Eel (Anguilla anguilla) Methling, Caroline Tudorache, Christian Skov, Peter V. Steffensen, John F. PLoS One Research Article Pop-up satellite archival tags (PSATs) have recently been applied in attempts to follow the oceanic spawning migration of the European eel. PSATs are quite large, and in all likelihood their hydraulic drag constitutes an additional cost during swimming, which remains to be quantified, as does the potential implication for successful migration. Silver eels (L(T) = 598.6±29 mm SD, N = 9) were subjected to swimming trials in a Steffensen-type swim tunnel at increasing speeds of 0.3–0.9 body lengths s(−1), first without and subsequently with, a scaled down PSAT dummy attached. The tag significantly increased oxygen consumption (MO(2)) during swimming and elevated minimum cost of transport (COT(min)) by 26%. Standard (SMR) and active metabolic rate (AMR) as well as metabolic scope remained unaffected, suggesting that the observed effects were caused by increased drag. Optimal swimming speed (U (opt)) was unchanged, whereas critical swimming speed (U (crit)) decreased significantly. Swimming with a PSAT altered swimming kinematics as verified by significant changes to tail beat frequency (f), body wave speed (v) and Strouhal number (St). The results demonstrate that energy expenditure, swimming performance and efficiency all are significantly affected in migrating eels with external tags. Public Library of Science 2011-06-08 /pmc/articles/PMC3110781/ /pubmed/21687674 http://dx.doi.org/10.1371/journal.pone.0020797 Text en Methling et al. http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited. |
spellingShingle | Research Article Methling, Caroline Tudorache, Christian Skov, Peter V. Steffensen, John F. Pop Up Satellite Tags Impair Swimming Performance and Energetics of the European Eel (Anguilla anguilla) |
title | Pop Up Satellite Tags Impair Swimming Performance and Energetics of the European Eel (Anguilla anguilla) |
title_full | Pop Up Satellite Tags Impair Swimming Performance and Energetics of the European Eel (Anguilla anguilla) |
title_fullStr | Pop Up Satellite Tags Impair Swimming Performance and Energetics of the European Eel (Anguilla anguilla) |
title_full_unstemmed | Pop Up Satellite Tags Impair Swimming Performance and Energetics of the European Eel (Anguilla anguilla) |
title_short | Pop Up Satellite Tags Impair Swimming Performance and Energetics of the European Eel (Anguilla anguilla) |
title_sort | pop up satellite tags impair swimming performance and energetics of the european eel (anguilla anguilla) |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3110781/ https://www.ncbi.nlm.nih.gov/pubmed/21687674 http://dx.doi.org/10.1371/journal.pone.0020797 |
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