Pollution produced by intensive fish farming in Andean lagoons, Junín, Peru

Mauro Mariano; Pedro Huaman; Egma Mayta; Haydee Montoya; Magda Chanco

Pollution produced by intensive fish farming in Andean lagoons, Junín, Peru

Mauro Mariano, Pedro Huaman, Egma Mayta, Haydee Montoya, Magda Chanco

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Resumen

We report the changes produced by intensive farming of rainbow trout Oncorhynchus mykiss in seven Andean lagoons. The observations were made in 1996 and between 2002-2007 and allowed to observe the deterioration of the lakes, characterized by the increase in total phosphorus concentrations and decreased dissolved oxygen and transparency. The benthic community was evaluated in seven lakes in 2007, resulting low number of species and diversity indices (H '<1,26; <8 spp.). The abundance ranged from 7 to 35 ind. /0,04 m². Organic matter and carbonates were high in the bottom (from 30,22 to 42,45%).

Título traducido de la contribución	Contaminación producida por piscicultura intensiva en lagunas andinas de Junín, Perú
Idioma original	Español
Páginas (desde-hasta)	137-140
Número de páginas	4
Publicación	Revista Peruana de Biologia
Volumen	17
N.º	1
Estado	Publicada - abr. 2010
Publicado de forma externa	Sí

Nota bibliográfica

Publisher Copyright:
© Facultad de Ciencias Biológicas UNMSM

Palabras clave

Alien species
Andean lagoon
Contamination
Trout culture

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abstract = "We report the changes produced by intensive farming of rainbow trout Oncorhynchus mykiss in seven Andean lagoons. The observations were made in 1996 and between 2002-2007 and allowed to observe the deterioration of the lakes, characterized by the increase in total phosphorus concentrations and decreased dissolved oxygen and transparency. The benthic community was evaluated in seven lakes in 2007, resulting low number of species and diversity indices (H '<1,26; <8 spp.). The abundance ranged from 7 to 35 ind. /0,04 m2. Organic matter and carbonates were high in the bottom (from 30,22 to 42,45%).",

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T1 - Pollution produced by intensive fish farming in Andean lagoons, Junín, Peru

AU - Mariano, Mauro

AU - Huaman, Pedro

AU - Mayta, Egma

AU - Montoya, Haydee

AU - Chanco, Magda

N1 - Publisher Copyright: © Facultad de Ciencias Biológicas UNMSM

PY - 2010/4

Y1 - 2010/4

N2 - We report the changes produced by intensive farming of rainbow trout Oncorhynchus mykiss in seven Andean lagoons. The observations were made in 1996 and between 2002-2007 and allowed to observe the deterioration of the lakes, characterized by the increase in total phosphorus concentrations and decreased dissolved oxygen and transparency. The benthic community was evaluated in seven lakes in 2007, resulting low number of species and diversity indices (H '<1,26; <8 spp.). The abundance ranged from 7 to 35 ind. /0,04 m2. Organic matter and carbonates were high in the bottom (from 30,22 to 42,45%).

AB - We report the changes produced by intensive farming of rainbow trout Oncorhynchus mykiss in seven Andean lagoons. The observations were made in 1996 and between 2002-2007 and allowed to observe the deterioration of the lakes, characterized by the increase in total phosphorus concentrations and decreased dissolved oxygen and transparency. The benthic community was evaluated in seven lakes in 2007, resulting low number of species and diversity indices (H '<1,26; <8 spp.). The abundance ranged from 7 to 35 ind. /0,04 m2. Organic matter and carbonates were high in the bottom (from 30,22 to 42,45%).

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KW - Contamination

KW - Trout culture

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Pollution produced by intensive fish farming in Andean lagoons, Junín, Peru

Resumen

Nota bibliográfica

Palabras clave

Otros archivos y enlaces

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