Meta-analysis of 87Sr/86Sr ratios in otoliths to establish thresholds for determining fish movement
Unpublished data were combined with a literature review to test a hypothesis of whether there is a pattern for classifying fish as “movers” or “residents” according to variability in strontium isotope ( 87 Sr/ 86 Sr) ratios in otoliths as a function of its environmental fingerprint. The variability...
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Instituto de Pesca
2023-12-01
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| Series: | Boletim do Instituto de Pesca |
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| Online Access: | https://institutodepesca.org/index.php/bip/article/view/1883 |
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| author | Fábio Ricardo da Rosa Esteban Avigliano Fabrice Duponchelle Luciana Alves Pereira Marília Hauser Lorenzo Soriano Antonaccio Barroco Carlos Edwar de Carvalho Freitas Raniere Garcez Costa Sousa |
| author_facet | Fábio Ricardo da Rosa Esteban Avigliano Fabrice Duponchelle Luciana Alves Pereira Marília Hauser Lorenzo Soriano Antonaccio Barroco Carlos Edwar de Carvalho Freitas Raniere Garcez Costa Sousa |
| author_sort | Fábio Ricardo da Rosa |
| collection | DOAJ |
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Unpublished data were combined with a literature review to test a hypothesis of whether there is a pattern for classifying fish as “movers” or “residents” according to variability in strontium isotope ( 87 Sr/ 86 Sr) ratios in otoliths as a function of its environmental fingerprint. The variability in Sr ratios found in the otoliths of fish specimens as a percentage of isotopic environmental variability was used to determine the intensity of movement in a given study area (POEVSri index). A classic meta-analysis and a frequentist regression were applied to obtain a logistic model to describe the pattern. The meta-analysis returned a POEVSri limit of 28.95% for sedentary individuals and the logistic model shows a high probability of movement for POEVSri indices over 32%. There is a gradient of movement probabilities in the POEVSri interval from 8 to 32%, with each class having equal odds when POEVSri is approximately 20%. Regarding applicability for future studies, if aspects such as sufficient spatial and seasonal water sampling are addressed, the model provides two different thresholds for fish: a priori “movers” are those with POEVSri ≥ 32%, and resident fish have POEVSri ≤ 8%.
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| format | Article |
| id | doaj-art-3badf241e10548dd9a6c18dfb604f8fe |
| institution | Kabale University |
| issn | 1678-2305 |
| language | English |
| publishDate | 2023-12-01 |
| publisher | Instituto de Pesca |
| record_format | Article |
| series | Boletim do Instituto de Pesca |
| spelling | doaj-art-3badf241e10548dd9a6c18dfb604f8fe2025-08-20T03:55:41ZengInstituto de PescaBoletim do Instituto de Pesca1678-23052023-12-014910.20950/1678-2305/bip.2023.49.e832Meta-analysis of 87Sr/86Sr ratios in otoliths to establish thresholds for determining fish movementFábio Ricardo da Rosa0Esteban Avigliano1Fabrice Duponchelle2Luciana Alves Pereira3Marília Hauser4Lorenzo Soriano Antonaccio Barroco5Carlos Edwar de Carvalho Freitas6Raniere Garcez Costa Sousa7Netz Consultoria Ambiental em Comunidades Aquáticas – Marialva (PR), Brazil.Universidad de Buenos Aires – Buenos Aires, Argentina.Institut de Recherche pour le Développement – Paris, France.Virginia Polytechnic Institute and State University – Blacksburg (VA), United States of America.Universidade Federal de Rondônia – Porto Velho (RO), Brazil.Instituto Federal do Amazonas – Manaus (AM), Brazil.Universidade Federal do Amazonas – Manaus (AM), Brazil.Universidade Federal de Rondônia – Porto Velho (RO), Brazil. Unpublished data were combined with a literature review to test a hypothesis of whether there is a pattern for classifying fish as “movers” or “residents” according to variability in strontium isotope ( 87 Sr/ 86 Sr) ratios in otoliths as a function of its environmental fingerprint. The variability in Sr ratios found in the otoliths of fish specimens as a percentage of isotopic environmental variability was used to determine the intensity of movement in a given study area (POEVSri index). A classic meta-analysis and a frequentist regression were applied to obtain a logistic model to describe the pattern. The meta-analysis returned a POEVSri limit of 28.95% for sedentary individuals and the logistic model shows a high probability of movement for POEVSri indices over 32%. There is a gradient of movement probabilities in the POEVSri interval from 8 to 32%, with each class having equal odds when POEVSri is approximately 20%. Regarding applicability for future studies, if aspects such as sufficient spatial and seasonal water sampling are addressed, the model provides two different thresholds for fish: a priori “movers” are those with POEVSri ≥ 32%, and resident fish have POEVSri ≤ 8%. https://institutodepesca.org/index.php/bip/article/view/1883Migratory fishFish home rangeStrontium isotopesGeochemistryRheophilic fish |
| spellingShingle | Fábio Ricardo da Rosa Esteban Avigliano Fabrice Duponchelle Luciana Alves Pereira Marília Hauser Lorenzo Soriano Antonaccio Barroco Carlos Edwar de Carvalho Freitas Raniere Garcez Costa Sousa Meta-analysis of 87Sr/86Sr ratios in otoliths to establish thresholds for determining fish movement Boletim do Instituto de Pesca Migratory fish Fish home range Strontium isotopes Geochemistry Rheophilic fish |
| title | Meta-analysis of 87Sr/86Sr ratios in otoliths to establish thresholds for determining fish movement |
| title_full | Meta-analysis of 87Sr/86Sr ratios in otoliths to establish thresholds for determining fish movement |
| title_fullStr | Meta-analysis of 87Sr/86Sr ratios in otoliths to establish thresholds for determining fish movement |
| title_full_unstemmed | Meta-analysis of 87Sr/86Sr ratios in otoliths to establish thresholds for determining fish movement |
| title_short | Meta-analysis of 87Sr/86Sr ratios in otoliths to establish thresholds for determining fish movement |
| title_sort | meta analysis of 87sr 86sr ratios in otoliths to establish thresholds for determining fish movement |
| topic | Migratory fish Fish home range Strontium isotopes Geochemistry Rheophilic fish |
| url | https://institutodepesca.org/index.php/bip/article/view/1883 |
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