Zoogeographical relationships of the littoral ascidiofauna at the Antarctic Peninsula, in the Scotia Arc and in the Magellan region

Alfonso A. Ramos-Esplá; Juan A. Cárcel; Mercedes Varela

doi:10.3989/scimar.2005.69s2215

Zoogeographical relationships of the littoral ascidiofauna at the Antarctic Peninsula, in the Scotia Arc and in the Magellan region

Authors

Alfonso A. Ramos-Esplá Marine Biology Laboratory, Department of Marine Sciences and Applied Biology, University of Alicante
Juan A. Cárcel Marine Biology Laboratory, Department of Marine Sciences and Applied Biology, University of Alicante
Mercedes Varela Marine Biology Laboratory, Department of Marine Sciences and Applied Biology, University of Alicante

DOI:

https://doi.org/10.3989/scimar.2005.69s2215

Keywords:

ascidians, Antarctic, Scotia Arc, Magellan, biogeography

Abstract

Three Spanish Antarctic research cruises (Ant-8611, Bentart-94 and Bentart-95) were carried out in the South Shetland Archipelago (Antarctic Peninsula) and Scotia Arc (South Orkney, South Sandwich and South Georgia archipelagos) on the continental shelf and upper slope (10-600 m depth). They have contributed to our knowledge about ascidian distribution and the zoogeographical relationships with the neighbouring areas and the other Subantarctic islands. The distribution of ascidian species suggests that the Scotia Arc is divided into two sectors, the South Orkney Archipelago, related to the Antarctic Province, and the South Georgia Archipelago (probably including the South Sandwich Archipelago), which is intermediate between the Antarctic Province and the Magellan region.

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Published

2005-12-30

How to Cite

Ramos-Esplá AA, Cárcel JA, Varela M. Zoogeographical relationships of the littoral ascidiofauna at the Antarctic Peninsula, in the Scotia Arc and in the Magellan region. Sci. mar. [Internet]. 2005Dec.30 [cited 2025May1];69(S2):215-23. Available from: https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/326

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Issue

Vol. 69 No. S2 (2005)

Section

Articles

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