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Diversity 2018, 10(1), 10; https://doi.org/10.3390/d10010010

Phylogeography of the Red Algal Laurencia Complex in the Macaronesia Region and Nearby Coastal Areas: Recent Advances and Future Perspectives

1
Biología Animal, Edafología y Geología, U.D. Biología Marina, Universidad de La Laguna, 38071 La Laguna, Spain
2
Botánica, Ecología y Fisiología Vegetal, Universidad de La Laguna, 38200 La Laguna, Spain
3
Biodiversity and Conservation Research Group, IU-ECOAQUA, Universidad de Las Palmas de Gran Canaria, Scientific and Technological Marine Park, Crta. Taliarte s/n, 35214 Telde, Spain
*
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Received: 30 December 2017 / Revised: 23 January 2018 / Accepted: 29 January 2018 / Published: 5 February 2018
(This article belongs to the Special Issue Marine Algal Phylogeographic Patterns: Causes and Consequences)
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Abstract

Abstract: Since the conception of the genus Laurencia by Lamouroux in 1813, several red macroalgal species have been included in it. In recent decades, the development of modern molecular tools has resulted in multiple taxonomic modifications, and presently, eight related genera are recognized in the so-called Laurencia complex. In the Macaronesian Region (Central East Atlantic Ocean), species from the Laurencia complex are keystone elements of the benthic communities, especially in the intertidal zone. In this review, we consolidate the existing knowledge about the Laurencia complex within the Macaronesian archipelagos and nearby areas. Morphological descriptions and phylogeographic remarks of the 16 currently accepted species—whose records were molecular or morphologically confirmed—are included together with an identification key for the Macaronesian Region. The phylogeographic data allowed us to re-visit the role of the Macaronesian archipelagos as a bridge area for the marine flora of the Mediterranean and Caribbean Seas (remnants of the former Thetyan Sea) or contemplate their marine flora as the result of successive processes of recolonization after the Quaternary glaciations from those donor areas. Finally, some comments about the frontiers of the research in the Laurencia complex in the Macaronesian Region and nearby coastal areas are included. View Full-Text
Keywords: molecular systematic; Laurencia; Laurenciella; Palisada; Osmundea; Azores; Madeira; Selvagens; Canary Islands; Cape Verde; biogeographic relationships molecular systematic; Laurencia; Laurenciella; Palisada; Osmundea; Azores; Madeira; Selvagens; Canary Islands; Cape Verde; biogeographic relationships
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Machín-Sánchez, M.; Gil-Rodríguez, M.C.; Haroun, R. Phylogeography of the Red Algal Laurencia Complex in the Macaronesia Region and Nearby Coastal Areas: Recent Advances and Future Perspectives. Diversity 2018, 10, 10.

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