Long-term study of the life cycle and growth of Heleobia australis (Caenogastropoda, Cochliopidae) in the Bahía Blanca estuary, Argentina

The life cycle and growth of the mud-snail Heleobia australis was studied in the Bahía Blanca estuary (Argentina) from April 2008 to April 2010. Four age classes were identified. This species recruits once a year, during summer. In general, the recruits (< 2.5 mm) represented a small percenta...

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Detalles Bibliográficos
Autores: Carcedo, MC, Fiori, SM
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2012
País:México
Institución:UNIVERSIDAD AUTÓNOMA DE BAJA CALIFORNIA
Repositorio:Ciencias Marinas
Idioma:inglés
OAI Identifier:oai:cienciasmarinas.com.mx:article/2079
Acceso en línea:https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/2079
Access Level:acceso abierto
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spelling Long-term study of the life cycle and growth of Heleobia australis (Caenogastropoda, Cochliopidae) in the Bahía Blanca estuary, ArgentinaEstudio a largo plazo del ciclo de vida y crecimiento de Heleobia australis (Caenogastropoda, Cochliopidae) en el estuario de Bahía Blanca, ArgentinaCarcedo, MCFiori, SMThe life cycle and growth of the mud-snail Heleobia australis was studied in the Bahía Blanca estuary (Argentina) from April 2008 to April 2010. Four age classes were identified. This species recruits once a year, during summer. In general, the recruits (< 2.5 mm) represented a small percentage of the total population. The growth rate of H. australis declined with increasing animal size and showed a marked seasonal pattern for the population under study: lower rate during winter and higher rate in summer. A life cycle of approximately 30 months (~2.5 years) was estimated for the population of H. australis in the Bahía Blanca estuary. This population shows variations in growth rate, abundance of recruits, and shell size in relation to more northerly populations. Several factors like parasitism, predation, environmental features, and anthropogenic action may be interacting to produce these differences. This work constitutes the first long-term study of the life cycle of cochliopids. Heleobia australis appears to be a long-lived species and exhibits variations in its life cycle that seem to be influenced by biological and physical variables. Long-term studies that include biological interactions and spatial features of the microhabitats are needed to elucidate patterns in life-history traits of H. australis along its distribution range.El crecimiento y ciclo de vida del caracol Heleobia australis fue estudiado en el estuario de Bahía Blanca (39º S, Argentina) de abril de 2008 a abril de 2010. Cuatro clases de edad fueron identificadas. Esta especie recluta una vez al año, durante el verano. En general, los reclutas (< 2.5 mm) representan un pequeño porcentaje de la población total. La tasa de crecimiento de H. australis declinó con el incrementodel tamaño del animal y mostró un marcado patrón estacional: baja tasa de crecimiento durante el invierno y alta tasa de crecimiento durante elverano. Se estimó un ciclo de vida de aproximadamente 30 meses (~2.5 años) para la población de H. australis en el estuario de Bahía Blanca.Esta población mostró variaciones en las tasas de crecimiento, la abundancia de reclutas y el tamaño de la conchilla en relación con las poblaciones localizadas al norte. Varios factores como parasitismo, depredación, características ambientales y la acción antropogénica puedenestar interactuando para producir las diferencias observadas. Este trabajo constituye el primer estudio a largo plazo del ciclo de vida de cocliópidos. Heleobia australis parece ser una especie longeva y muestra variaciones en su ciclo de vida que parecen estar influenciadas porvariables físicas y biológicas. Estudios a largo plazo que incluyan interacciones biológicas y características espaciales de los microhábitats son necesarios para dilucidar patrones en la historia de vida de H.australis a lo largo de su inervalo de distribución.Iniversidad Autónoma de Baja California2012-12-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionPeer-reviewed Article Artículo Arbitradoapplication/pdfhttps://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/207910.7773/cm.v38i4.2079Ciencias Marinas; Vol. 38 No. 4 (2012); 589-597Ciencias Marinas; Vol. 38 Núm. 4 (2012); 589-5972395-90530185-3880reponame:Ciencias Marinasinstname:UNIVERSIDAD AUTÓNOMA DE BAJA CALIFORNIAinstacron:UABCenghttps://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/2079/1416info:eu-repo/semantics/openAccessoai:cienciasmarinas.com.mx:article/20792024-08-22T17:01:40Z
dc.title.none.fl_str_mv Long-term study of the life cycle and growth of Heleobia australis (Caenogastropoda, Cochliopidae) in the Bahía Blanca estuary, Argentina
Estudio a largo plazo del ciclo de vida y crecimiento de Heleobia australis (Caenogastropoda, Cochliopidae) en el estuario de Bahía Blanca, Argentina
title Long-term study of the life cycle and growth of Heleobia australis (Caenogastropoda, Cochliopidae) in the Bahía Blanca estuary, Argentina
spellingShingle Long-term study of the life cycle and growth of Heleobia australis (Caenogastropoda, Cochliopidae) in the Bahía Blanca estuary, Argentina
Carcedo, MC
title_short Long-term study of the life cycle and growth of Heleobia australis (Caenogastropoda, Cochliopidae) in the Bahía Blanca estuary, Argentina
title_full Long-term study of the life cycle and growth of Heleobia australis (Caenogastropoda, Cochliopidae) in the Bahía Blanca estuary, Argentina
title_fullStr Long-term study of the life cycle and growth of Heleobia australis (Caenogastropoda, Cochliopidae) in the Bahía Blanca estuary, Argentina
title_full_unstemmed Long-term study of the life cycle and growth of Heleobia australis (Caenogastropoda, Cochliopidae) in the Bahía Blanca estuary, Argentina
title_sort Long-term study of the life cycle and growth of Heleobia australis (Caenogastropoda, Cochliopidae) in the Bahía Blanca estuary, Argentina
dc.creator.none.fl_str_mv Carcedo, MC
Fiori, SM
author Carcedo, MC
author_facet Carcedo, MC
Fiori, SM
author_role author
author2 Fiori, SM
author2_role author
description The life cycle and growth of the mud-snail Heleobia australis was studied in the Bahía Blanca estuary (Argentina) from April 2008 to April 2010. Four age classes were identified. This species recruits once a year, during summer. In general, the recruits (< 2.5 mm) represented a small percentage of the total population. The growth rate of H. australis declined with increasing animal size and showed a marked seasonal pattern for the population under study: lower rate during winter and higher rate in summer. A life cycle of approximately 30 months (~2.5 years) was estimated for the population of H. australis in the Bahía Blanca estuary. This population shows variations in growth rate, abundance of recruits, and shell size in relation to more northerly populations. Several factors like parasitism, predation, environmental features, and anthropogenic action may be interacting to produce these differences. This work constitutes the first long-term study of the life cycle of cochliopids. Heleobia australis appears to be a long-lived species and exhibits variations in its life cycle that seem to be influenced by biological and physical variables. Long-term studies that include biological interactions and spatial features of the microhabitats are needed to elucidate patterns in life-history traits of H. australis along its distribution range.
publishDate 2012
dc.date.none.fl_str_mv 2012-12-01
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
Artículo Arbitrado
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/2079
10.7773/cm.v38i4.2079
url https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/2079
identifier_str_mv 10.7773/cm.v38i4.2079
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/2079/1416
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Iniversidad Autónoma de Baja California
publisher.none.fl_str_mv Iniversidad Autónoma de Baja California
dc.source.none.fl_str_mv Ciencias Marinas; Vol. 38 No. 4 (2012); 589-597
Ciencias Marinas; Vol. 38 Núm. 4 (2012); 589-597
2395-9053
0185-3880
reponame:Ciencias Marinas
instname:UNIVERSIDAD AUTÓNOMA DE BAJA CALIFORNIA
instacron:UABC
instname_str UNIVERSIDAD AUTÓNOMA DE BAJA CALIFORNIA
instacron_str UABC
institution UABC
reponame_str Ciencias Marinas
collection Ciencias Marinas
repository.name.fl_str_mv
repository.mail.fl_str_mv
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