Variación espacial y temporal de la composición por tallas y sexos del gatuso Mustelus schmitti Springer, 1939 capturado por la pesca de arrastre en la costa oceánica uruguaya durante 2004

This study analyses the seasonal fisheries and sexual proportion of the narrownose smooth-hound Mustelus schmitti from the Uruguayan oceanic coast. The maximum catches took place during the fall. Of a total of 2105 individuals, 1483 were males and 622 females, being females larger than males. Female...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Pereyra,Inés, Orlando,Luis, Norbis,Walter, Paesch,Laura
Lenguaje:	Spanish / Castilian
Publicado:	Universidad de Valparaíso. Facultad de Ciencias del Mar 2008
Materias:	Coastal shark size composition fishery Uruguayan coastal shelf southwestern Atlantic
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-19572008000100017
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:scielo:S0718-19572008000100017
record_format	dspace
spelling	oai:scielo:S0718-195720080001000172008-07-21Variación espacial y temporal de la composición por tallas y sexos del gatuso Mustelus schmitti Springer, 1939 capturado por la pesca de arrastre en la costa oceánica uruguaya durante 2004Pereyra,InésOrlando,LuisNorbis,WalterPaesch,Laura Coastal shark size composition fishery Uruguayan coastal shelf southwestern Atlantic This study analyses the seasonal fisheries and sexual proportion of the narrownose smooth-hound Mustelus schmitti from the Uruguayan oceanic coast. The maximum catches took place during the fall. Of a total of 2105 individuals, 1483 were males and 622 females, being females larger than males. Females were dominant at maximum depths of 50 m (inner shelf), whereas males occupied major depths of 50 m (outer shelf). The great proportion of mature females on the inner shelf during spring and summer, and mature males in summer are related to the mating, ovulation and delivery time as previously proposed for this shark in this area. The length in which 50% of the females were retained was below or on the length of sexual maturity of the narrownose smooth-hound, indicating that these are more affected by the fishing activity. Nevertheless, an important fraction of the population that distributes on the inner and outer shelf during the time of parturition, ovulation and mating would be protected in spring and summer by the establishment of fishing bans of the fishes Cynoscion guatucupa and Merluccius hubbsiinfo:eu-repo/semantics/openAccessUniversidad de Valparaíso. Facultad de Ciencias del MarRevista de biología marina y oceanografía v.43 n.1 20082008-04-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-19572008000100017es10.4067/S0718-19572008000100017
institution	Scielo Chile
collection	Scielo Chile
language	Spanish / Castilian
topic	Coastal shark size composition fishery Uruguayan coastal shelf southwestern Atlantic
spellingShingle	Coastal shark size composition fishery Uruguayan coastal shelf southwestern Atlantic Pereyra,Inés Orlando,Luis Norbis,Walter Paesch,Laura Variación espacial y temporal de la composición por tallas y sexos del gatuso Mustelus schmitti Springer, 1939 capturado por la pesca de arrastre en la costa oceánica uruguaya durante 2004
description	This study analyses the seasonal fisheries and sexual proportion of the narrownose smooth-hound Mustelus schmitti from the Uruguayan oceanic coast. The maximum catches took place during the fall. Of a total of 2105 individuals, 1483 were males and 622 females, being females larger than males. Females were dominant at maximum depths of 50 m (inner shelf), whereas males occupied major depths of 50 m (outer shelf). The great proportion of mature females on the inner shelf during spring and summer, and mature males in summer are related to the mating, ovulation and delivery time as previously proposed for this shark in this area. The length in which 50% of the females were retained was below or on the length of sexual maturity of the narrownose smooth-hound, indicating that these are more affected by the fishing activity. Nevertheless, an important fraction of the population that distributes on the inner and outer shelf during the time of parturition, ovulation and mating would be protected in spring and summer by the establishment of fishing bans of the fishes Cynoscion guatucupa and Merluccius hubbsi
author	Pereyra,Inés Orlando,Luis Norbis,Walter Paesch,Laura
author_facet	Pereyra,Inés Orlando,Luis Norbis,Walter Paesch,Laura
author_sort	Pereyra,Inés
title	Variación espacial y temporal de la composición por tallas y sexos del gatuso Mustelus schmitti Springer, 1939 capturado por la pesca de arrastre en la costa oceánica uruguaya durante 2004
title_short	Variación espacial y temporal de la composición por tallas y sexos del gatuso Mustelus schmitti Springer, 1939 capturado por la pesca de arrastre en la costa oceánica uruguaya durante 2004
title_full	Variación espacial y temporal de la composición por tallas y sexos del gatuso Mustelus schmitti Springer, 1939 capturado por la pesca de arrastre en la costa oceánica uruguaya durante 2004
title_fullStr	Variación espacial y temporal de la composición por tallas y sexos del gatuso Mustelus schmitti Springer, 1939 capturado por la pesca de arrastre en la costa oceánica uruguaya durante 2004
title_full_unstemmed	Variación espacial y temporal de la composición por tallas y sexos del gatuso Mustelus schmitti Springer, 1939 capturado por la pesca de arrastre en la costa oceánica uruguaya durante 2004
title_sort	variación espacial y temporal de la composición por tallas y sexos del gatuso mustelus schmitti springer, 1939 capturado por la pesca de arrastre en la costa oceánica uruguaya durante 2004
publisher	Universidad de Valparaíso. Facultad de Ciencias del Mar
publishDate	2008
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-19572008000100017
work_keys_str_mv	AT pereyraines variacionespacialytemporaldelacomposicionportallasysexosdelgatusomustelusschmittispringer1939capturadoporlapescadearrastreenlacostaoceanicauruguayadurante2004 AT orlandoluis variacionespacialytemporaldelacomposicionportallasysexosdelgatusomustelusschmittispringer1939capturadoporlapescadearrastreenlacostaoceanicauruguayadurante2004 AT norbiswalter variacionespacialytemporaldelacomposicionportallasysexosdelgatusomustelusschmittispringer1939capturadoporlapescadearrastreenlacostaoceanicauruguayadurante2004 AT paeschlaura variacionespacialytemporaldelacomposicionportallasysexosdelgatusomustelusschmittispringer1939capturadoporlapescadearrastreenlacostaoceanicauruguayadurante2004
_version_	1714202270146494464

Variación espacial y temporal de la composición por tallas y sexos del gatuso Mustelus schmitti Springer, 1939 capturado por la pesca de arrastre en la costa oceánica uruguaya durante 2004

Ejemplares similares