A unique assemblage of epibenthic sessile suspension feeders with archaic features in the high-Antarctic

A unique assemblage of epibenthic sessile suspension feeders with archaic features in the high-Antarctic

Special issue EASIZ: Ecology of the Antarctic Sea Ice Zone. Ecology of the Antarctic Sea Ice Zone: Final Symposium.-- 24 pages, 4 figures

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Bibliographic Details
Main Authors: Gili, Josep Maria, Arntz, Wolf E., Palanques, Albert, Orejas, Covadonga, Clarke, Andrew, Dayton, Paul K., Isla, Enrique, Teixidó, Nuria, Rossi, Sergio, López-González, Pablo J.
Format: artículo biblioteca
Language:English
Published: Elsevier 2006-04
Subjects:Benthic communities, Epibenthos, High-Antarctic, Suspension feeders, Paleozoic fauna, Palaeoecology,
Online Access:http://hdl.handle.net/10261/27393
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spelling dig-icm-es-10261-273932020-11-12T08:33:21Z A unique assemblage of epibenthic sessile suspension feeders with archaic features in the high-Antarctic Gili, Josep Maria Arntz, Wolf E. Palanques, Albert Orejas, Covadonga Clarke, Andrew Dayton, Paul K. Isla, Enrique Teixidó, Nuria Rossi, Sergio López-González, Pablo J. Benthic communities Epibenthos High-Antarctic Suspension feeders Paleozoic fauna Palaeoecology Special issue EASIZ: Ecology of the Antarctic Sea Ice Zone. Ecology of the Antarctic Sea Ice Zone: Final Symposium.-- 24 pages, 4 figures We suggest that the epibenthic communities of passive suspension feeders that dominate some high-Antarctic seafloors present unique archaic features that are the result of long isolation, together with the effects of environmental features including reduced terrestrial runoff and favourable feeding conditions. These features probably originated during the Late Cretaceous, when the high-Antarctic environment started to become different from the surrounding oceans. Modern Antarctic communities are thus composed of a mixture of Palaeozoic elements, taxa that migrated from the deep ocean during interglacial periods, and a component of fauna that evolved from common Gondwana Cretaceous ancestors. We explore this hypothesis by revisiting the palaeoecological history of Antarctic marine benthic communities and exploring the abiotic and biotic factors involved in their evolution, including changes in oceanic circulation and production, plankton communities, the development of glaciation, restricted sedimentation, isolation, life histories, and the lack of large predators. The conditions favouring the retention of apparently archaic features in the Antarctic marine fauna remain to be fully elucidated, but high-Antarctic communities are clearly unique and deserve special conservation Financial support was provided by MCYT Grants (Spanish Antarctic Research Programme; REN2000-3096-E/ANT, REN2003-04236) Peer reviewed 2010-09-02T10:33:03Z 2010-09-02T10:33:03Z 2006-04 artículo http://purl.org/coar/resource_type/c_6501 Deep Sea Research Part II: Topical Studies in Oceanography 53(8-10): 1029-1052 (2006) 0967-0645 http://hdl.handle.net/10261/27393 10.1016/j.dsr2.2005.10.021 en https://doi.org/10.1016/j.dsr2.2005.10.021 none 5867 bytes application/pdf Elsevier
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 Benthic communities
Epibenthos
High-Antarctic
Suspension feeders
Paleozoic fauna
Palaeoecology
Benthic communities
Epibenthos
High-Antarctic
Suspension feeders
Paleozoic fauna
Palaeoecology
spellingShingle Benthic communities
Epibenthos
High-Antarctic
Suspension feeders
Paleozoic fauna
Palaeoecology
Benthic communities
Epibenthos
High-Antarctic
Suspension feeders
Paleozoic fauna
Palaeoecology
Gili, Josep Maria
Arntz, Wolf E.
Palanques, Albert
Orejas, Covadonga
Clarke, Andrew
Dayton, Paul K.
Isla, Enrique
Teixidó, Nuria
Rossi, Sergio
López-González, Pablo J.
A unique assemblage of epibenthic sessile suspension feeders with archaic features in the high-Antarctic
description Special issue EASIZ: Ecology of the Antarctic Sea Ice Zone. Ecology of the Antarctic Sea Ice Zone: Final Symposium.-- 24 pages, 4 figures
format artículo
topic_facet Benthic communities
Epibenthos
High-Antarctic
Suspension feeders
Paleozoic fauna
Palaeoecology
author Gili, Josep Maria
Arntz, Wolf E.
Palanques, Albert
Orejas, Covadonga
Clarke, Andrew
Dayton, Paul K.
Isla, Enrique
Teixidó, Nuria
Rossi, Sergio
López-González, Pablo J.
author_facet Gili, Josep Maria
Arntz, Wolf E.
Palanques, Albert
Orejas, Covadonga
Clarke, Andrew
Dayton, Paul K.
Isla, Enrique
Teixidó, Nuria
Rossi, Sergio
López-González, Pablo J.
author_sort Gili, Josep Maria
title A unique assemblage of epibenthic sessile suspension feeders with archaic features in the high-Antarctic
title_short A unique assemblage of epibenthic sessile suspension feeders with archaic features in the high-Antarctic
title_full A unique assemblage of epibenthic sessile suspension feeders with archaic features in the high-Antarctic
title_fullStr A unique assemblage of epibenthic sessile suspension feeders with archaic features in the high-Antarctic
title_full_unstemmed A unique assemblage of epibenthic sessile suspension feeders with archaic features in the high-Antarctic
title_sort unique assemblage of epibenthic sessile suspension feeders with archaic features in the high-antarctic
publisher Elsevier
publishDate 2006-04
url http://hdl.handle.net/10261/27393
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