Distribución y estructura poblacional del cangrejo Halicarcinus planatus (Brachyura, Hymenosomatidae) en el Canal Beagle, Tierra del Fuego
The crab Halicarcinus planatus is the only hymenosomatid that inhabits the southern tip of South America and has a sub-Antarctic distribution, including the peri-Antarctic islands and New Zealand. In this paper, we report the abundance and population structure of H. planatus for a year in the intert...
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Format: | Article in Journal/Newspaper |
Language: | Spanish |
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2011
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Online Access: | https://dialnet.unirioja.es/servlet/oaiart?codigo=5253918 |
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ftdialnet:oai:dialnet.unirioja.es:ART0000865028 |
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openpolar |
institution |
Open Polar |
collection |
Dialnet - Portada de revistas (Universidad de La Rioja) |
op_collection_id |
ftdialnet |
language |
Spanish |
topic |
Abundance sex ratio sexual maturity recruitment sub-Antarctic Abundancia proporción de sexos madurez sexual reclutamiento subantártica |
spellingShingle |
Abundance sex ratio sexual maturity recruitment sub-Antarctic Abundancia proporción de sexos madurez sexual reclutamiento subantártica Diez, Mariano J. Florentín, Olga Lovrich, Gustavo A. Distribución y estructura poblacional del cangrejo Halicarcinus planatus (Brachyura, Hymenosomatidae) en el Canal Beagle, Tierra del Fuego |
topic_facet |
Abundance sex ratio sexual maturity recruitment sub-Antarctic Abundancia proporción de sexos madurez sexual reclutamiento subantártica |
description |
The crab Halicarcinus planatus is the only hymenosomatid that inhabits the southern tip of South America and has a sub-Antarctic distribution, including the peri-Antarctic islands and New Zealand. In this paper, we report the abundance and population structure of H. planatus for a year in the intertidal zone of Bahía Brown, Beagle Channel, Tierra del Fuego. Moreover, we show variations in the population structure in other beaches and environments of the channel. In contrast with males, female density showed monthly variations and was higher during austral summer months. High densities of H. planatus could be related with low mortality during the larval stage and oceanographic features of Bahía Brown, probably enhanced by the presence of both culture and mussel beds, substrates where settlement would occur. The populational sex ratio was biased towards females only in summer, while the operational sex ratio was biased towards males during all periods studied, suggesting strong competition among males for mating. In turn, males were present only in the intertidal zone of Bahía Brown and Macrocystis pyrifera but were absent in the other studied intertidal areas.This is perhaps related to the lack of shelter in the subtidal zone of Bahía Brown. Recruitment occurs in two different periods, summer (January-February) and autumn-winter (May-June), which corresponds with the two larval cohorts of H. planatus in the Beagle Channel. El cangrejo Halicarcinus planatus es el único himenosomátido que habita el extremo austral de Sudamérica, con una distribución subantártica, incluyendo las islas periantárticas y Nueva Zelanda. En este trabajo, se presenta información sobre la abundancia y estructura poblacional de H. planatus en el intermareal de Bahía Brown, Canal Beagle, Tierra del Fuego durante un año. Además, se muestran las variaciones en la estructura poblacional en otras playas y ambientes del canal. A diferencia de los machos, la densidad de hembras mostró fluctuaciones mensuales en el intermareal de Bahía Brown y ... |
format |
Article in Journal/Newspaper |
author |
Diez, Mariano J. Florentín, Olga Lovrich, Gustavo A. |
author_facet |
Diez, Mariano J. Florentín, Olga Lovrich, Gustavo A. |
author_sort |
Diez, Mariano J. |
title |
Distribución y estructura poblacional del cangrejo Halicarcinus planatus (Brachyura, Hymenosomatidae) en el Canal Beagle, Tierra del Fuego |
title_short |
Distribución y estructura poblacional del cangrejo Halicarcinus planatus (Brachyura, Hymenosomatidae) en el Canal Beagle, Tierra del Fuego |
title_full |
Distribución y estructura poblacional del cangrejo Halicarcinus planatus (Brachyura, Hymenosomatidae) en el Canal Beagle, Tierra del Fuego |
title_fullStr |
Distribución y estructura poblacional del cangrejo Halicarcinus planatus (Brachyura, Hymenosomatidae) en el Canal Beagle, Tierra del Fuego |
title_full_unstemmed |
Distribución y estructura poblacional del cangrejo Halicarcinus planatus (Brachyura, Hymenosomatidae) en el Canal Beagle, Tierra del Fuego |
title_sort |
distribución y estructura poblacional del cangrejo halicarcinus planatus (brachyura, hymenosomatidae) en el canal beagle, tierra del fuego |
publishDate |
2011 |
url |
https://dialnet.unirioja.es/servlet/oaiart?codigo=5253918 |
long_lat |
ENVELOPE(-63.645,-63.645,-65.079,-65.079) |
geographic |
Antarctic Austral New Zealand Cangrejo |
geographic_facet |
Antarctic Austral New Zealand Cangrejo |
genre |
Antarc* Antarctic Tierra del Fuego |
genre_facet |
Antarc* Antarctic Tierra del Fuego |
op_source |
Revista de biología marina y oceanografía, ISSN 0717-3326, Vol. 46, Nº. 2, 2011, pags. 141-155 |
op_relation |
https://dialnet.unirioja.es/servlet/oaiart?codigo=5253918 (Revista) ISSN 0717-3326 |
op_rights |
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_version_ |
1766142918018465792 |
spelling |
ftdialnet:oai:dialnet.unirioja.es:ART0000865028 2023-05-15T13:40:54+02:00 Distribución y estructura poblacional del cangrejo Halicarcinus planatus (Brachyura, Hymenosomatidae) en el Canal Beagle, Tierra del Fuego Diez, Mariano J. Florentín, Olga Lovrich, Gustavo A. 2011 application/pdf https://dialnet.unirioja.es/servlet/oaiart?codigo=5253918 spa spa https://dialnet.unirioja.es/servlet/oaiart?codigo=5253918 (Revista) ISSN 0717-3326 LICENCIA DE USO: Los documentos a texto completo incluidos en Dialnet son de acceso libre y propiedad de sus autores y/o editores. Por tanto, cualquier acto de reproducción, distribución, comunicación pública y/o transformación total o parcial requiere el consentimiento expreso y escrito de aquéllos. Cualquier enlace al texto completo de estos documentos deberá hacerse a través de la URL oficial de éstos en Dialnet. Más información: https://dialnet.unirioja.es/info/derechosOAI | INTELLECTUAL PROPERTY RIGHTS STATEMENT: Full text documents hosted by Dialnet are protected by copyright and/or related rights. This digital object is accessible without charge, but its use is subject to the licensing conditions set by its authors or editors. Unless expressly stated otherwise in the licensing conditions, you are free to linking, browsing, printing and making a copy for your own personal purposes. All other acts of reproduction and communication to the public are subject to the licensing conditions expressed by editors and authors and require consent from them. Any link to this document should be made using its official URL in Dialnet. More info: https://dialnet.unirioja.es/info/derechosOAI Revista de biología marina y oceanografía, ISSN 0717-3326, Vol. 46, Nº. 2, 2011, pags. 141-155 Abundance sex ratio sexual maturity recruitment sub-Antarctic Abundancia proporción de sexos madurez sexual reclutamiento subantártica text (article) 2011 ftdialnet 2019-08-29T09:31:05Z The crab Halicarcinus planatus is the only hymenosomatid that inhabits the southern tip of South America and has a sub-Antarctic distribution, including the peri-Antarctic islands and New Zealand. In this paper, we report the abundance and population structure of H. planatus for a year in the intertidal zone of Bahía Brown, Beagle Channel, Tierra del Fuego. Moreover, we show variations in the population structure in other beaches and environments of the channel. In contrast with males, female density showed monthly variations and was higher during austral summer months. High densities of H. planatus could be related with low mortality during the larval stage and oceanographic features of Bahía Brown, probably enhanced by the presence of both culture and mussel beds, substrates where settlement would occur. The populational sex ratio was biased towards females only in summer, while the operational sex ratio was biased towards males during all periods studied, suggesting strong competition among males for mating. In turn, males were present only in the intertidal zone of Bahía Brown and Macrocystis pyrifera but were absent in the other studied intertidal areas.This is perhaps related to the lack of shelter in the subtidal zone of Bahía Brown. Recruitment occurs in two different periods, summer (January-February) and autumn-winter (May-June), which corresponds with the two larval cohorts of H. planatus in the Beagle Channel. El cangrejo Halicarcinus planatus es el único himenosomátido que habita el extremo austral de Sudamérica, con una distribución subantártica, incluyendo las islas periantárticas y Nueva Zelanda. En este trabajo, se presenta información sobre la abundancia y estructura poblacional de H. planatus en el intermareal de Bahía Brown, Canal Beagle, Tierra del Fuego durante un año. Además, se muestran las variaciones en la estructura poblacional en otras playas y ambientes del canal. A diferencia de los machos, la densidad de hembras mostró fluctuaciones mensuales en el intermareal de Bahía Brown y ... Article in Journal/Newspaper Antarc* Antarctic Tierra del Fuego Dialnet - Portada de revistas (Universidad de La Rioja) Antarctic Austral New Zealand Cangrejo ENVELOPE(-63.645,-63.645,-65.079,-65.079) |