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Migratory behaviour of a dominant detritivorous fish Prochilodus lineatus evaluated by multivariate biochemical and pollutant data.

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Title: Migratory behaviour of a dominant detritivorous fish Prochilodus lineatus evaluated by multivariate biochemical and pollutant data.
Authors: Speranza, E. D.1,2, Cappelletti, N.1,2, Migoya, M. C.1,2, Tatone, L. M.1,2, Colombo, J. C.1,3
Source: Journal of Fish Biology. Jul2012, Vol. 81 Issue 2, p848-865. 18p.
Subjects: Prochilodus lineatus, Fish migration, Water pollution, Aliphatic hydrocarbons, Fatty acids, Polychlorinated biphenyls, Chemometrics
Geographic Terms: Rio de la Plata (Argentina & Uruguay), Argentina, Uruguay
Abstract: This paper studies the migration pathways and ranges of a dominant detritivorous fish Prochilodus lineatus along pollution gradients in the Río de la Plata basin using multivariate analysis of biochemical and pollutant data. Biochemical composition (water, ash, lipids, proteins, carbohydrates, neutral lipids classes and fatty acids), aliphatic hydrocarbons (ALI), polychlorinated biphenyls (PCB), linear alkylbenzenes (LAB) and organochlorine pesticides (OClP) were determined in muscle samples of P. lineatus collected in Metropolitan Buenos Aires, the lower Paraná River (Paraná: 200-1000 km from Buenos Aires) and the middle Paraná and Paraguay Rivers (North: 1000-1400 km north). Biochemical variables and pollutants exhibited large variability [Lipids 1·1-89·5% wet mass; ALI 1·4-413; LABs not detectable (n.d.)-115·2; PCBs n.d.-27·9; OClPs n.d.-11·8 µg g−1 dry mass], due to the contrast of Buenos Aires with North fish. Fish from Buenos Aires were fatty (lipids 24·7 ± 12·3% wet mass), enriched in 18 carbon fatty acids and severely contaminated (ALI 152·4 ± 72·3; LABs 65·1 ± 26·4; PCBs 15·2 ± 6·8; OClPs 1·8 ± 1·9 µg g−1 dry mass mean ± s.d.). In contrast, fish from North were lean (4·1 ± 3·1% wet mass), enriched in long chain (>20 carbons) polyunsaturated fatty acids, with average one to two orders of magnitude lower pollutant levels (ALI 41·2 ± 51·9; PCBs 2·2 ± 3·5; LABs 8·8 ± 21·1; OClPs 0·67 ± 0·75 µg g−1 dry mass mean ± s.d.). Paraná showed intermediate values in all variables, denoting the mixing of different fish stocks. Based on principal component analysis, 14 outliers from 60 North and Paraná samples (representing 26 from 108 individual fish) were identified as pertaining to the Buenos Aires group with very similar lipid and pollutant levels. Data suggest that P. lineatus migrates a highly variable distance, exceeding 800-1000 km in multiple spatial and temporal overlapping ranges. Chemometric analysis of biochemical and pollutant data effectively discriminates fish according to the chemical signature acquired by detritus feeding in pristine and contaminated urban or industrial areas. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Fish Biology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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PubType: Academic Journal
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  Data: Migratory behaviour of a dominant detritivorous fish Prochilodus lineatus evaluated by multivariate biochemical and pollutant data.
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  Data: <searchLink fieldCode="DE" term="%22Prochilodus+lineatus%22">Prochilodus lineatus</searchLink><br /><searchLink fieldCode="DE" term="%22Fish+migration%22">Fish migration</searchLink><br /><searchLink fieldCode="DE" term="%22Water+pollution%22">Water pollution</searchLink><br /><searchLink fieldCode="DE" term="%22Aliphatic+hydrocarbons%22">Aliphatic hydrocarbons</searchLink><br /><searchLink fieldCode="DE" term="%22Fatty+acids%22">Fatty acids</searchLink><br /><searchLink fieldCode="DE" term="%22Polychlorinated+biphenyls%22">Polychlorinated biphenyls</searchLink><br /><searchLink fieldCode="DE" term="%22Chemometrics%22">Chemometrics</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Rio+de+la+Plata+%28Argentina+%26+Uruguay%29%22">Rio de la Plata (Argentina & Uruguay)</searchLink><br /><searchLink fieldCode="DE" term="%22Argentina%22">Argentina</searchLink><br /><searchLink fieldCode="DE" term="%22Uruguay%22">Uruguay</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This paper studies the migration pathways and ranges of a dominant detritivorous fish Prochilodus lineatus along pollution gradients in the Río de la Plata basin using multivariate analysis of biochemical and pollutant data. Biochemical composition (water, ash, lipids, proteins, carbohydrates, neutral lipids classes and fatty acids), aliphatic hydrocarbons (ALI), polychlorinated biphenyls (PCB), linear alkylbenzenes (LAB) and organochlorine pesticides (OClP) were determined in muscle samples of P. lineatus collected in Metropolitan Buenos Aires, the lower Paraná River (Paraná: 200-1000 km from Buenos Aires) and the middle Paraná and Paraguay Rivers (North: 1000-1400 km north). Biochemical variables and pollutants exhibited large variability [Lipids 1·1-89·5% wet mass; ALI 1·4-413; LABs not detectable (n.d.)-115·2; PCBs n.d.-27·9; OClPs n.d.-11·8 µg g−1 dry mass], due to the contrast of Buenos Aires with North fish. Fish from Buenos Aires were fatty (lipids 24·7 ± 12·3% wet mass), enriched in 18 carbon fatty acids and severely contaminated (ALI 152·4 ± 72·3; LABs 65·1 ± 26·4; PCBs 15·2 ± 6·8; OClPs 1·8 ± 1·9 µg g−1 dry mass mean ± s.d.). In contrast, fish from North were lean (4·1 ± 3·1% wet mass), enriched in long chain (>20 carbons) polyunsaturated fatty acids, with average one to two orders of magnitude lower pollutant levels (ALI 41·2 ± 51·9; PCBs 2·2 ± 3·5; LABs 8·8 ± 21·1; OClPs 0·67 ± 0·75 µg g−1 dry mass mean ± s.d.). Paraná showed intermediate values in all variables, denoting the mixing of different fish stocks. Based on principal component analysis, 14 outliers from 60 North and Paraná samples (representing 26 from 108 individual fish) were identified as pertaining to the Buenos Aires group with very similar lipid and pollutant levels. Data suggest that P. lineatus migrates a highly variable distance, exceeding 800-1000 km in multiple spatial and temporal overlapping ranges. Chemometric analysis of biochemical and pollutant data effectively discriminates fish according to the chemical signature acquired by detritus feeding in pristine and contaminated urban or industrial areas. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Journal of Fish Biology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1111/j.1095-8649.2012.03358.x
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 18
        StartPage: 848
    Subjects:
      – SubjectFull: Prochilodus lineatus
        Type: general
      – SubjectFull: Fish migration
        Type: general
      – SubjectFull: Water pollution
        Type: general
      – SubjectFull: Aliphatic hydrocarbons
        Type: general
      – SubjectFull: Fatty acids
        Type: general
      – SubjectFull: Polychlorinated biphenyls
        Type: general
      – SubjectFull: Chemometrics
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      – SubjectFull: Rio de la Plata (Argentina & Uruguay)
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      – SubjectFull: Argentina
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      – SubjectFull: Uruguay
        Type: general
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      – TitleFull: Migratory behaviour of a dominant detritivorous fish Prochilodus lineatus evaluated by multivariate biochemical and pollutant data.
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            NameFull: Speranza, E. D.
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            NameFull: Migoya, M. C.
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              Text: Jul2012
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