LENGTH-WEIGHT RELATIONSHIPS OF 26 FISH SPECIES FROM ARTISANAL FISHERY IN ECUADOR

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The length-weight relationship is usable for estimating biomass of organisms, determining the “wellbeing” of the individual and as input data in stock assessment models. The objective of this work was to establish the length-weight relationship of 26 species of fish present in artisanal fishery alon...

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Detalles Bibliográficos
Autores: Coello, Dialhy, Zambrano, René, Herrera, Marco
Formato: artículo
Fecha de Publicación:2021
Institución:Universidad Nacional Federico Villarreal
Repositorio:Revistas - Universidad Nacional Federico Villarreal
Lenguaje:español
OAI Identifier:oai:ojs2.revistas.unfv.edu.pe:article/1267
Enlace del recurso:https://revistas.unfv.edu.pe/rtb/article/view/1267
Nivel de acceso:acceso abierto
Materia:fishing gears
Ecuadorian mainland
fishery resources
power model
artes de pesca
costa continental ecuatoriana
modelo potencial
recursos pesqueros
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spelling LENGTH-WEIGHT RELATIONSHIPS OF 26 FISH SPECIES FROM ARTISANAL FISHERY IN ECUADORRELACIONES TALLA-PESO EN 26 ESPECIES DE PECES PROVENIENTES DE LA PESCA ARTESANAL EN ECUADORCoello, Dialhy Zambrano, René Herrera, Marco fishing gearsEcuadorian mainlandfishery resourcespower modelartes de pescacosta continental ecuatorianamodelo potencialrecursos pesquerosThe length-weight relationship is usable for estimating biomass of organisms, determining the “wellbeing” of the individual and as input data in stock assessment models. The objective of this work was to establish the length-weight relationship of 26 species of fish present in artisanal fishery along the Ecuadorian continental coast. Total length and weight were recorded monthly, between 2012 and 2014, at sampling sites located in the coastal provinces of Ecuador. The length-weight relationship was estimated using the power model. A total of 24 commercials and two non-commercial species were analyzed, including demersal and benthic organisms. The value of the intercept was less than 0.03, while the coefficient of determination was greater than 0.98. The slope values showed three species with negative allometry (b < 3), nine species with positive allometry (b > 3) and 14 species with isometry (b = 3). Allometry is a specific characteristic of the species and intraspecific variations can be related to genetically determined effects, as well as, by sex, stage of maturity, spawning period. The parameters of the length-weight relationship presented should be taken with caution considering that they are given regardless of sex.La relación talla-peso es utilizable en estimaciones de biomasa de organismos, en la determinación del “bienestar” del individuo y como datos de entrada en modelos de evaluación de stock. El objetivo del presente trabajo fue establecer la relación talla-peso de 26 especies de peces capturadas en la pesca artesanal, a lo largo de la costa continental ecuatoriana. La talla y peso total fueron registrados mensualmente, entre 2012 y 2014, en sitios de muestreo ubicados en las provincias costeras de Ecuador. La relación talla-peso se estimó mediante el modelo potencial. Se analizaron 24 especies comerciales y dos no-comerciales, que incluyen organismos demersales y bentónicos. El valor del intercepto fue inferior a 0,03 mientras que, el coeficiente de determinación mayor a 0,98. Los valores de las pendientes mostraron tres especies con alometría negativa (b < 3), nueve especies con alometría positiva (b > 3) y 14 especies con isometría (b = 3). La alometría es una característica específica de la especie y las variaciones intraespecíficas se pueden relacionar con efectos determinados genéticamente, así como, por el sexo, estadio de madurez, periodo de desove. Los parámetros de la relación talla-peso presentados deben tomarse con cautela considerando que, son dados indistintamente del sexo.Universidad Nacional Federico Villarreal. Facultad de Ciencias Naturales y Matemática. Escuela Profesional de Biología2021-12-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdftext/htmlapplication/epub+ziphttps://revistas.unfv.edu.pe/rtb/article/view/1267The Biologist; Vol. 20 No. 1 (2022): The Biologist (Lima); 25-32The Biologist; Vol. 20 Núm. 1 (2022): The Biologist (Lima); 25-321994-90731816-0719reponame:Revistas - Universidad Nacional Federico Villarrealinstname:Universidad Nacional Federico Villarrealinstacron:UNFVspahttps://revistas.unfv.edu.pe/rtb/article/view/1267/1120https://revistas.unfv.edu.pe/rtb/article/view/1267/1538https://revistas.unfv.edu.pe/rtb/article/view/1267/1539https://creativecommons.org/licenses/by-nc-nd/4.0info:eu-repo/semantics/openAccessoai:ojs2.revistas.unfv.edu.pe:article/12672023-01-18T17:40:04Z
dc.title.none.fl_str_mv LENGTH-WEIGHT RELATIONSHIPS OF 26 FISH SPECIES FROM ARTISANAL FISHERY IN ECUADOR
RELACIONES TALLA-PESO EN 26 ESPECIES DE PECES PROVENIENTES DE LA PESCA ARTESANAL EN ECUADOR
title LENGTH-WEIGHT RELATIONSHIPS OF 26 FISH SPECIES FROM ARTISANAL FISHERY IN ECUADOR
spellingShingle LENGTH-WEIGHT RELATIONSHIPS OF 26 FISH SPECIES FROM ARTISANAL FISHERY IN ECUADOR
Coello, Dialhy
fishing gears
Ecuadorian mainland
fishery resources
power model
artes de pesca
costa continental ecuatoriana
modelo potencial
recursos pesqueros
title_short LENGTH-WEIGHT RELATIONSHIPS OF 26 FISH SPECIES FROM ARTISANAL FISHERY IN ECUADOR
title_full LENGTH-WEIGHT RELATIONSHIPS OF 26 FISH SPECIES FROM ARTISANAL FISHERY IN ECUADOR
title_fullStr LENGTH-WEIGHT RELATIONSHIPS OF 26 FISH SPECIES FROM ARTISANAL FISHERY IN ECUADOR
title_full_unstemmed LENGTH-WEIGHT RELATIONSHIPS OF 26 FISH SPECIES FROM ARTISANAL FISHERY IN ECUADOR
title_sort LENGTH-WEIGHT RELATIONSHIPS OF 26 FISH SPECIES FROM ARTISANAL FISHERY IN ECUADOR
dc.creator.none.fl_str_mv Coello, Dialhy
Zambrano, René
Herrera, Marco
author Coello, Dialhy
author_facet Coello, Dialhy
Zambrano, René
Herrera, Marco
author_role author
author2 Zambrano, René
Herrera, Marco
author2_role author
author
dc.subject.none.fl_str_mv fishing gears
Ecuadorian mainland
fishery resources
power model
artes de pesca
costa continental ecuatoriana
modelo potencial
recursos pesqueros
topic fishing gears
Ecuadorian mainland
fishery resources
power model
artes de pesca
costa continental ecuatoriana
modelo potencial
recursos pesqueros
description The length-weight relationship is usable for estimating biomass of organisms, determining the “wellbeing” of the individual and as input data in stock assessment models. The objective of this work was to establish the length-weight relationship of 26 species of fish present in artisanal fishery along the Ecuadorian continental coast. Total length and weight were recorded monthly, between 2012 and 2014, at sampling sites located in the coastal provinces of Ecuador. The length-weight relationship was estimated using the power model. A total of 24 commercials and two non-commercial species were analyzed, including demersal and benthic organisms. The value of the intercept was less than 0.03, while the coefficient of determination was greater than 0.98. The slope values showed three species with negative allometry (b < 3), nine species with positive allometry (b > 3) and 14 species with isometry (b = 3). Allometry is a specific characteristic of the species and intraspecific variations can be related to genetically determined effects, as well as, by sex, stage of maturity, spawning period. The parameters of the length-weight relationship presented should be taken with caution considering that they are given regardless of sex.
publishDate 2021
dc.date.none.fl_str_mv 2021-12-06
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://revistas.unfv.edu.pe/rtb/article/view/1267
url https://revistas.unfv.edu.pe/rtb/article/view/1267
dc.language.none.fl_str_mv spa
language spa
dc.relation.none.fl_str_mv https://revistas.unfv.edu.pe/rtb/article/view/1267/1120
https://revistas.unfv.edu.pe/rtb/article/view/1267/1538
https://revistas.unfv.edu.pe/rtb/article/view/1267/1539
dc.rights.none.fl_str_mv https://creativecommons.org/licenses/by-nc-nd/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
text/html
application/epub+zip
dc.publisher.none.fl_str_mv Universidad Nacional Federico Villarreal. Facultad de Ciencias Naturales y Matemática. Escuela Profesional de Biología
publisher.none.fl_str_mv Universidad Nacional Federico Villarreal. Facultad de Ciencias Naturales y Matemática. Escuela Profesional de Biología
dc.source.none.fl_str_mv The Biologist; Vol. 20 No. 1 (2022): The Biologist (Lima); 25-32
The Biologist; Vol. 20 Núm. 1 (2022): The Biologist (Lima); 25-32
1994-9073
1816-0719
reponame:Revistas - Universidad Nacional Federico Villarreal
instname:Universidad Nacional Federico Villarreal
instacron:UNFV
instname_str Universidad Nacional Federico Villarreal
instacron_str UNFV
institution UNFV
reponame_str Revistas - Universidad Nacional Federico Villarreal
collection Revistas - Universidad Nacional Federico Villarreal
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1789172152370462720
score 13.945396
LENGTH-WEIGHT RELATIONSHIPS OF 26 FISH SPECIES FROM ARTISANAL FISHERY IN ECUADOR
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