Do bipolar distributions exist in marine sponges? Stylocordyla chupachups sp. nv. (Porifera: Hadromerida) from the Weddell Sea (Antarctic), previously reported as S. borealis (Lovén, 1868)

Do bipolar distributions exist in marine sponges? Stylocordyla chupachups sp. nv. (Porifera: Hadromerida) from the Weddell Sea (Antarctic), previously reported as S. borealis (Lovén, 1868)

13 pages, 7 figures, 1 table

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Bibliographic Details
Main Authors: Uriz, María Jesús, Gili, Josep Maria, Orejas, Covadonga, Perez-Porro, Alicia-R.
Format: artículo biblioteca
Language:English
Published: Springer 2011-02
Subjects:Porifera, Hadromerida, Cryptic species, Bipolar distributions,
Online Access:http://hdl.handle.net/10261/39390
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spelling dig-icm-es-10261-393902020-11-26T06:50:09Z Do bipolar distributions exist in marine sponges? Stylocordyla chupachups sp. nv. (Porifera: Hadromerida) from the Weddell Sea (Antarctic), previously reported as S. borealis (Lovén, 1868) Uriz, María Jesús Gili, Josep Maria Orejas, Covadonga Perez-Porro, Alicia-R. Porifera Hadromerida Cryptic species Bipolar distributions 13 pages, 7 figures, 1 table Sponges are the dominant invertebrates in many Antarctic communities, where they play a decisive structural function thanks to their abundance and large sizes. However, current knowledge on Antarctic sponges remains poor even with respect to basic aspects such as taxonomy. Here, we report on an Antarctic species of the genus Stylocordyla, which has been recorded for a long time under the name of the boreal S. borealis due to spicule and growth habit similarities. A thorough study of dense populations of the only Stylocordyla species known up to now from the eastern zone of the Weddell Sea as well as the re-examination of several specimens (including the type material) of S. borealis has allowed us to assess the variability of the boreal species and to confirm that the austral species is not S. borealis (Lovén, 1868) but a new species of Stylocordyla, different from the other congeners recorded from southern latitudes. The new species S. chupachups commonly dwells on horizontal or slighted sloped hard bottoms of the continental shelf of Weddell Sea, from 100 m to below 400 m depth, although the densest populations usually occur between 150 and 300 m. It is a pioneer species in areas that have been scoured by icebergs, and thus its presence may be considered an indicator of recent colonisation The study has been partially funded by projects CLIMANT (POL2006-06399/CGL), FILANT (REN2003-04236) to JMG and MARMOL (CTM2007-66635-CO2) to MJU, and a TMR-CT97-2813 fellowship (EU) to CO Peer reviewed 2011-09-12T07:42:17Z 2011-09-12T07:42:17Z 2011-02 artículo http://purl.org/coar/resource_type/c_6501 Polar Biology 34(2): 243-255 (2011) 0722-4060 http://hdl.handle.net/10261/39390 10.1007/s00300-010-0876-y 1432-2056 en https://doi.org/10.1007/s00300-010-0876-y none Springer
institution ICM ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-icm-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del ICM España
language English
topic Porifera
Hadromerida
Cryptic species
Bipolar distributions
Porifera
Hadromerida
Cryptic species
Bipolar distributions
spellingShingle Porifera
Hadromerida
Cryptic species
Bipolar distributions
Porifera
Hadromerida
Cryptic species
Bipolar distributions
Uriz, María Jesús
Gili, Josep Maria
Orejas, Covadonga
Perez-Porro, Alicia-R.
Do bipolar distributions exist in marine sponges? Stylocordyla chupachups sp. nv. (Porifera: Hadromerida) from the Weddell Sea (Antarctic), previously reported as S. borealis (Lovén, 1868)
description 13 pages, 7 figures, 1 table
format artículo
topic_facet Porifera
Hadromerida
Cryptic species
Bipolar distributions
author Uriz, María Jesús
Gili, Josep Maria
Orejas, Covadonga
Perez-Porro, Alicia-R.
author_facet Uriz, María Jesús
Gili, Josep Maria
Orejas, Covadonga
Perez-Porro, Alicia-R.
author_sort Uriz, María Jesús
title Do bipolar distributions exist in marine sponges? Stylocordyla chupachups sp. nv. (Porifera: Hadromerida) from the Weddell Sea (Antarctic), previously reported as S. borealis (Lovén, 1868)
title_short Do bipolar distributions exist in marine sponges? Stylocordyla chupachups sp. nv. (Porifera: Hadromerida) from the Weddell Sea (Antarctic), previously reported as S. borealis (Lovén, 1868)
title_full Do bipolar distributions exist in marine sponges? Stylocordyla chupachups sp. nv. (Porifera: Hadromerida) from the Weddell Sea (Antarctic), previously reported as S. borealis (Lovén, 1868)
title_fullStr Do bipolar distributions exist in marine sponges? Stylocordyla chupachups sp. nv. (Porifera: Hadromerida) from the Weddell Sea (Antarctic), previously reported as S. borealis (Lovén, 1868)
title_full_unstemmed Do bipolar distributions exist in marine sponges? Stylocordyla chupachups sp. nv. (Porifera: Hadromerida) from the Weddell Sea (Antarctic), previously reported as S. borealis (Lovén, 1868)
title_sort do bipolar distributions exist in marine sponges? stylocordyla chupachups sp. nv. (porifera: hadromerida) from the weddell sea (antarctic), previously reported as s. borealis (lovén, 1868)
publisher Springer
publishDate 2011-02
url http://hdl.handle.net/10261/39390
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