[HTML][HTML] Restructuring of the 'Macaronesia'biogeographic unit: A marine multi-taxon biogeographical approach
Scientific reports, 2019•nature.com
Abstract The Azores, Madeira, Selvagens, Canary Islands and Cabo Verde are commonly
united under the term “Macaronesia”. This study investigates the coherency and validity of
Macaronesia as a biogeographic unit using six marine groups with very different dispersal
abilities: coastal fishes, echinoderms, gastropod molluscs, brachyuran decapod
crustaceans, polychaete annelids, and macroalgae. We found no support for the current
concept of Macaronesia as a coherent marine biogeographic unit. All marine groups studied …
united under the term “Macaronesia”. This study investigates the coherency and validity of
Macaronesia as a biogeographic unit using six marine groups with very different dispersal
abilities: coastal fishes, echinoderms, gastropod molluscs, brachyuran decapod
crustaceans, polychaete annelids, and macroalgae. We found no support for the current
concept of Macaronesia as a coherent marine biogeographic unit. All marine groups studied …
Abstract
The Azores, Madeira, Selvagens, Canary Islands and Cabo Verde are commonly united under the term “Macaronesia”. This study investigates the coherency and validity of Macaronesia as a biogeographic unit using six marine groups with very different dispersal abilities: coastal fishes, echinoderms, gastropod molluscs, brachyuran decapod crustaceans, polychaete annelids, and macroalgae. We found no support for the current concept of Macaronesia as a coherent marine biogeographic unit. All marine groups studied suggest the exclusion of Cabo Verde from the remaining Macaronesian archipelagos and thus, Cabo Verde should be given the status of a biogeographic subprovince within the West African Transition province. We propose to redefine the Lusitanian biogeographical province, in which we include four ecoregions: the South European Atlantic Shelf, the Saharan Upwelling, the Azores, and a new ecoregion herein named Webbnesia, which comprises the archipelagos of Madeira, Selvagens and the Canary Islands.
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