Distribution, reproductive and energetic conditions of decapod crustaceans along the Scotia Arc (Southern Ocean)
Studies on decapod distribution patterns and reproductive and energetic conditions were carried out along the islands and shallows of the Scotia Arc (Southern Ocean) during the RV “Polarstern” LAMPOS expedition (ANT XIX/5) between April and May 2002. A clear biogeographic zonation was found. The Sub...
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Consejo Superior de Investigaciones Científicas
2005
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Online Access: | https://doi.org/10.3989/scimar.2005.69s2183 https://doaj.org/article/5cf2f353471d4ea59f50a32dcaf7993e |
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ftdoajarticles:oai:doaj.org/article:5cf2f353471d4ea59f50a32dcaf7993e 2023-05-15T13:52:02+02:00 Distribution, reproductive and energetic conditions of decapod crustaceans along the Scotia Arc (Southern Ocean) Gustavo A. Lovrich M. Carolina Romero Federico Tapella Sven Thatje 2005-12-01T00:00:00Z https://doi.org/10.3989/scimar.2005.69s2183 https://doaj.org/article/5cf2f353471d4ea59f50a32dcaf7993e EN eng Consejo Superior de Investigaciones Científicas http://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/322 https://doaj.org/toc/0214-8358 https://doaj.org/toc/1886-8134 0214-8358 1886-8134 doi:10.3989/scimar.2005.69s2183 https://doaj.org/article/5cf2f353471d4ea59f50a32dcaf7993e Scientia Marina, Vol 69, Iss S2, Pp 183-193 (2005) biogeography antarctic munida notocrangon campylonotus nematocarcinus Aquaculture. Fisheries. Angling SH1-691 article 2005 ftdoajarticles https://doi.org/10.3989/scimar.2005.69s2183 2022-12-31T07:02:59Z Studies on decapod distribution patterns and reproductive and energetic conditions were carried out along the islands and shallows of the Scotia Arc (Southern Ocean) during the RV “Polarstern” LAMPOS expedition (ANT XIX/5) between April and May 2002. A clear biogeographic zonation was found. The Subantarctic Magellan-South Atlantic decapod fauna consisting of both “natant” (caridean) and “reptant” (astacidean, anomuran, and brachyuran) decapods appeared along the northern branch of the Scotia Arc to South Georgia, where Subantarctic and Antarctic faunas were found overlapping. An impoverished caridean shrimp fauna was found along the islands of the southern branch, from the South Sandwich Islands to the Antarctic Peninsula. Differences in the reproductive traits of the two most abundant species were detected. The reproductive cycle of Notocrangon antarcticus at South Georgia was more advanced than that at the South Orkney Islands, probably due to temperature differences between the two locations. Although the oogenesis and the reproductive cycle of Munida subrugosa seem to be in phase at Burdwood Bank and in the Beagle Channel, the oocyte number is probably lower at the former location. A new index was used to measure the energy devoted to reproduction by relating the energy contents of the egg mass/ovary plus hepatopancreas and the energy content of the whole body. This index revealed that the energy investment in reproduction was (1) independent of the sampling location, (2) species-specific, and (3) larger in caridean shrimps than in galatheid crabs. Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula antarcticus South Orkney Islands South Sandwich Islands Southern Ocean Directory of Open Access Journals: DOAJ Articles Antarctic Southern Ocean The Antarctic Antarctic Peninsula Sandwich Islands South Sandwich Islands South Georgia ENVELOPE(-33.000,-33.000,-56.000,-56.000) South Orkney Islands ENVELOPE(-45.500,-45.500,-60.583,-60.583) Burdwood Bank ENVELOPE(-59.000,-59.000,-54.250,-54.250) Scientia Marina 69 S2 183 193 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
biogeography antarctic munida notocrangon campylonotus nematocarcinus Aquaculture. Fisheries. Angling SH1-691 |
spellingShingle |
biogeography antarctic munida notocrangon campylonotus nematocarcinus Aquaculture. Fisheries. Angling SH1-691 Gustavo A. Lovrich M. Carolina Romero Federico Tapella Sven Thatje Distribution, reproductive and energetic conditions of decapod crustaceans along the Scotia Arc (Southern Ocean) |
topic_facet |
biogeography antarctic munida notocrangon campylonotus nematocarcinus Aquaculture. Fisheries. Angling SH1-691 |
description |
Studies on decapod distribution patterns and reproductive and energetic conditions were carried out along the islands and shallows of the Scotia Arc (Southern Ocean) during the RV “Polarstern” LAMPOS expedition (ANT XIX/5) between April and May 2002. A clear biogeographic zonation was found. The Subantarctic Magellan-South Atlantic decapod fauna consisting of both “natant” (caridean) and “reptant” (astacidean, anomuran, and brachyuran) decapods appeared along the northern branch of the Scotia Arc to South Georgia, where Subantarctic and Antarctic faunas were found overlapping. An impoverished caridean shrimp fauna was found along the islands of the southern branch, from the South Sandwich Islands to the Antarctic Peninsula. Differences in the reproductive traits of the two most abundant species were detected. The reproductive cycle of Notocrangon antarcticus at South Georgia was more advanced than that at the South Orkney Islands, probably due to temperature differences between the two locations. Although the oogenesis and the reproductive cycle of Munida subrugosa seem to be in phase at Burdwood Bank and in the Beagle Channel, the oocyte number is probably lower at the former location. A new index was used to measure the energy devoted to reproduction by relating the energy contents of the egg mass/ovary plus hepatopancreas and the energy content of the whole body. This index revealed that the energy investment in reproduction was (1) independent of the sampling location, (2) species-specific, and (3) larger in caridean shrimps than in galatheid crabs. |
format |
Article in Journal/Newspaper |
author |
Gustavo A. Lovrich M. Carolina Romero Federico Tapella Sven Thatje |
author_facet |
Gustavo A. Lovrich M. Carolina Romero Federico Tapella Sven Thatje |
author_sort |
Gustavo A. Lovrich |
title |
Distribution, reproductive and energetic conditions of decapod crustaceans along the Scotia Arc (Southern Ocean) |
title_short |
Distribution, reproductive and energetic conditions of decapod crustaceans along the Scotia Arc (Southern Ocean) |
title_full |
Distribution, reproductive and energetic conditions of decapod crustaceans along the Scotia Arc (Southern Ocean) |
title_fullStr |
Distribution, reproductive and energetic conditions of decapod crustaceans along the Scotia Arc (Southern Ocean) |
title_full_unstemmed |
Distribution, reproductive and energetic conditions of decapod crustaceans along the Scotia Arc (Southern Ocean) |
title_sort |
distribution, reproductive and energetic conditions of decapod crustaceans along the scotia arc (southern ocean) |
publisher |
Consejo Superior de Investigaciones Científicas |
publishDate |
2005 |
url |
https://doi.org/10.3989/scimar.2005.69s2183 https://doaj.org/article/5cf2f353471d4ea59f50a32dcaf7993e |
long_lat |
ENVELOPE(-33.000,-33.000,-56.000,-56.000) ENVELOPE(-45.500,-45.500,-60.583,-60.583) ENVELOPE(-59.000,-59.000,-54.250,-54.250) |
geographic |
Antarctic Southern Ocean The Antarctic Antarctic Peninsula Sandwich Islands South Sandwich Islands South Georgia South Orkney Islands Burdwood Bank |
geographic_facet |
Antarctic Southern Ocean The Antarctic Antarctic Peninsula Sandwich Islands South Sandwich Islands South Georgia South Orkney Islands Burdwood Bank |
genre |
Antarc* Antarctic Antarctic Peninsula antarcticus South Orkney Islands South Sandwich Islands Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctic Peninsula antarcticus South Orkney Islands South Sandwich Islands Southern Ocean |
op_source |
Scientia Marina, Vol 69, Iss S2, Pp 183-193 (2005) |
op_relation |
http://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/322 https://doaj.org/toc/0214-8358 https://doaj.org/toc/1886-8134 0214-8358 1886-8134 doi:10.3989/scimar.2005.69s2183 https://doaj.org/article/5cf2f353471d4ea59f50a32dcaf7993e |
op_doi |
https://doi.org/10.3989/scimar.2005.69s2183 |
container_title |
Scientia Marina |
container_volume |
69 |
container_issue |
S2 |
container_start_page |
183 |
op_container_end_page |
193 |
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1766256224594034688 |