The overall toxic impact of crude oil on fish was evaluated in acute and chronic tests by use of rainbow trout (Oncorhynchus mykiss) (embryos, larvae and juveniles). Survival, physiological (heart rate, gill ventilation frequency) and haematological parameters of test objects were studied. Crude oil depending on concentration and exposure duration caused a significant increase in larval mortality, whereas embryos were less and juveniles were least sensitive to the impact of oil. Sublethal crude oil concentrations induced significant alterations in cardio-respiratory parameters of embryos and larvae, as well as in respiratory and haematological parameters of juvenile fish.
机构:
Co Desenvolvimento Vales Sao Francisco & Parnaiba, Estacao Hidrobiol & Piscicultura Tres Maria, BR-39205000 Tres Marias, MG, BrazilUniv Fed Minas Gerais, Dept Morfol, BR-30161970 Belo Horizonte, MG, Brazil
机构:
Ctr Tecnol Mineral CETEM, BR-21941908 Rio De Janeiro, Brazil
Univ Fed Rio de Janeiro, Dept Quim Analit, Inst Quim, BR-21941909 Rio De Janeiro, BrazilCtr Tecnol Mineral CETEM, BR-21941908 Rio De Janeiro, Brazil
Pontes, Fernanda Veronesi M.
Carneiro, Manuel C.
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Ctr Tecnol Mineral CETEM, BR-21941908 Rio De Janeiro, BrazilCtr Tecnol Mineral CETEM, BR-21941908 Rio De Janeiro, Brazil
Carneiro, Manuel C.
Vaitsman, Delmo S.
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Univ Fed Rio de Janeiro, Dept Quim Analit, Inst Quim, BR-21941909 Rio De Janeiro, BrazilCtr Tecnol Mineral CETEM, BR-21941908 Rio De Janeiro, Brazil
Vaitsman, Delmo S.
Monteiro, Maria Ines C.
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Ctr Tecnol Mineral CETEM, BR-21941908 Rio De Janeiro, BrazilCtr Tecnol Mineral CETEM, BR-21941908 Rio De Janeiro, Brazil
Monteiro, Maria Ines C.
Neto, Arnaldo A.
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Ctr Tecnol Mineral CETEM, BR-21941908 Rio De Janeiro, BrazilCtr Tecnol Mineral CETEM, BR-21941908 Rio De Janeiro, Brazil
Neto, Arnaldo A.
Tristao, Maria Luiza B.
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Petrobras CENPES, BR-21941915 Rio De Janeiro, BrazilCtr Tecnol Mineral CETEM, BR-21941908 Rio De Janeiro, Brazil
Tristao, Maria Luiza B.
Guerrante, Mauricio de F.
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Petrobras CENPES, BR-21941915 Rio De Janeiro, BrazilCtr Tecnol Mineral CETEM, BR-21941908 Rio De Janeiro, Brazil
机构:
Univ North Texas, Dept Biol Sci, 1155 Union Circle 305220, Denton, TX 76203 USA
Univ North Texas, Adv Environm Res Inst, 1155 Union Circle 305220, Denton, TX 76203 USAUniv North Texas, Dept Biol Sci, 1155 Union Circle 305220, Denton, TX 76203 USA
Magnuson, Jason T.
Khursigara, Alexis J.
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Univ Texas Austin, Marine Sci Inst, 750 Channel View Dr, Port Aransas, TX 78373 USAUniv North Texas, Dept Biol Sci, 1155 Union Circle 305220, Denton, TX 76203 USA
Khursigara, Alexis J.
Allmon, Elizabeth B.
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Univ Texas Austin, Marine Sci Inst, 750 Channel View Dr, Port Aransas, TX 78373 USAUniv North Texas, Dept Biol Sci, 1155 Union Circle 305220, Denton, TX 76203 USA
Allmon, Elizabeth B.
Esbaugh, Andrew J.
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Univ Texas Austin, Marine Sci Inst, 750 Channel View Dr, Port Aransas, TX 78373 USAUniv North Texas, Dept Biol Sci, 1155 Union Circle 305220, Denton, TX 76203 USA
Esbaugh, Andrew J.
Roberts, Aaron P.
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Univ North Texas, Dept Biol Sci, 1155 Union Circle 305220, Denton, TX 76203 USA
Univ North Texas, Adv Environm Res Inst, 1155 Union Circle 305220, Denton, TX 76203 USAUniv North Texas, Dept Biol Sci, 1155 Union Circle 305220, Denton, TX 76203 USA