Studies on the reproductive dynamics of Pleoticus muelleri (Bate, 1888) (Crustacea, Decapoda, Solenoceridae) of Patagonia, Argentina

Certain aspects of the reproductive dynamics of Argentine red shrimp Pleoticus muelleri (Bate, 1888), distributed between 42°-47°S and 62°W, were investigated. Data and samples were collected during 36 INIDEP research cruises and 87 commercial fishing fleet trips between 1994-2010. Mature and insemi...

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Autores principales:	Fernández,Mónica, Iorio,María I, Hernández,Daniel, Macchi,Gustavo
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2012
Materias:	Penaeoidea Patagonian shrimp reproduction southwestern Atlantic Argentina
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2012000400004
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spelling	oai:scielo:S0718-560X20120004000042013-04-12Studies on the reproductive dynamics of Pleoticus muelleri (Bate, 1888) (Crustacea, Decapoda, Solenoceridae) of Patagonia, ArgentinaFernández,MónicaIorio,María IHernández,DanielMacchi,Gustavo Penaeoidea Patagonian shrimp reproduction southwestern Atlantic Argentina Certain aspects of the reproductive dynamics of Argentine red shrimp Pleoticus muelleri (Bate, 1888), distributed between 42°-47°S and 62°W, were investigated. Data and samples were collected during 36 INIDEP research cruises and 87 commercial fishing fleet trips between 1994-2010. Mature and inseminated females size structure as well as the frequency distribution of macroscopic maturity stages of adult females were analyzed on space-time bases. The seasonal development of ovarian maturity stages microscopically determinated was also assessed. Statistical treatment of data included multivariate scaling and cluster analysis. The reproductive activity of the shrimps showed latitudinal differences concerning its onset and duration that could be associated with the variability of environmental conditions. We discuss a shoreward movement of spawning females related to the presence of coastal hydrographic processes that would ensure retention and food for survival of early life stages.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del MarLatin american journal of aquatic research v.40 n.4 20122012-11-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2012000400004en103856/vol40-issue4-fulltext-4
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Penaeoidea Patagonian shrimp reproduction southwestern Atlantic Argentina
spellingShingle	Penaeoidea Patagonian shrimp reproduction southwestern Atlantic Argentina Fernández,Mónica Iorio,María I Hernández,Daniel Macchi,Gustavo Studies on the reproductive dynamics of Pleoticus muelleri (Bate, 1888) (Crustacea, Decapoda, Solenoceridae) of Patagonia, Argentina
description	Certain aspects of the reproductive dynamics of Argentine red shrimp Pleoticus muelleri (Bate, 1888), distributed between 42°-47°S and 62°W, were investigated. Data and samples were collected during 36 INIDEP research cruises and 87 commercial fishing fleet trips between 1994-2010. Mature and inseminated females size structure as well as the frequency distribution of macroscopic maturity stages of adult females were analyzed on space-time bases. The seasonal development of ovarian maturity stages microscopically determinated was also assessed. Statistical treatment of data included multivariate scaling and cluster analysis. The reproductive activity of the shrimps showed latitudinal differences concerning its onset and duration that could be associated with the variability of environmental conditions. We discuss a shoreward movement of spawning females related to the presence of coastal hydrographic processes that would ensure retention and food for survival of early life stages.
author	Fernández,Mónica Iorio,María I Hernández,Daniel Macchi,Gustavo
author_facet	Fernández,Mónica Iorio,María I Hernández,Daniel Macchi,Gustavo
author_sort	Fernández,Mónica
title	Studies on the reproductive dynamics of Pleoticus muelleri (Bate, 1888) (Crustacea, Decapoda, Solenoceridae) of Patagonia, Argentina
title_short	Studies on the reproductive dynamics of Pleoticus muelleri (Bate, 1888) (Crustacea, Decapoda, Solenoceridae) of Patagonia, Argentina
title_full	Studies on the reproductive dynamics of Pleoticus muelleri (Bate, 1888) (Crustacea, Decapoda, Solenoceridae) of Patagonia, Argentina
title_fullStr	Studies on the reproductive dynamics of Pleoticus muelleri (Bate, 1888) (Crustacea, Decapoda, Solenoceridae) of Patagonia, Argentina
title_full_unstemmed	Studies on the reproductive dynamics of Pleoticus muelleri (Bate, 1888) (Crustacea, Decapoda, Solenoceridae) of Patagonia, Argentina
title_sort	studies on the reproductive dynamics of pleoticus muelleri (bate, 1888) (crustacea, decapoda, solenoceridae) of patagonia, argentina
publisher	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
publishDate	2012
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2012000400004
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Studies on the reproductive dynamics of Pleoticus muelleri (Bate, 1888) (Crustacea, Decapoda, Solenoceridae) of Patagonia, Argentina

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