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Article . 2005 . Peer-reviewed
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BIOECOLOGÍA Y PESQUERÍA DE Pseudoplatystoma fasciatum (LINNAEUS, 1766; PISCES), DONCELLA, EN LA REGIÓN UCAYALI

Authors: DEZA-TABOADA, Sonia A.; BAZÁN-ALBITES, Roger S.; CULQUICHICON-M., Zoila G.;

BIOECOLOGÍA Y PESQUERÍA DE Pseudoplatystoma fasciatum (LINNAEUS, 1766; PISCES), DONCELLA, EN LA REGIÓN UCAYALI

Abstract

El estudio se desarrolló durante el periodo de febrero de 2001 a febrero de 2002. Se describen aspectos bioecológicos como hábitos alimentarios, biología reproductiva, relación peso-longitud y algunos aspectos pesqueros. La Pseudoplatystoma fasciatum, doncella, presenta hábitos alimentarios carnívoros teniendo al Prochilodus nigricans, boquichico, como una de las especies más importantes en su alimentación. Su proporción sexualglobal fue favorable a las hembras (1.51:1); éstas predominan a tallas mayores y los machos a tallas menores. La talla media de madurez es 93.92 cm de longitud total en hembras y de 78.49 cm en machos. El desove se producea los 102.24 y 87.89 cm en hembras y machos respectivamente; la época de reproducción de esta especie está comprendida entre los meses de noviembre y marzo, su crecimiento es isométrico. Con relación a su pesquería, la producción total durante el 2001 fue de 1 857.6 t llegando a ocupar el segundo lugar en los desembarques. Las principales zonas de pesca son Sheshea en el alto Ucayali y Santa Isabel en el bajo Ucayali. Las artes de pescamás empleadas son las redes tramperas, sin embargo en la vaciante las más efectivas por su mayor producción son las redes rastreras.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
7
Average
Average
Average
Green
gold