Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/4053
Título: The rediscovery of Caulerpa prolifera in Ria Formosa, Portugal, 60 years after the previous record
Autor: Cunha, A. H.
Varela-Alvarez, E.
Paulo, D. S.
Sousa, I.
Serrão, Ester
Palavras-chave: Coastal conservation
Seaweed
Ria Formosa
Genetic identification
Competitive advantage
Data: 2013
Editora: Station Biologique
Citação: Cunha, A.H.; Varela-¿?lvarez, E.; Paulo, D.S.; Sousa, I.; Serrão, E. The rediscovery of Caulerpa prolifera in Ria Formosa, Portugal, 60 years after the previous record, Cahiers de Biologie Marine, 54, 3, 359-364, 2013.
Resumo: The westernmost occurrence of Caulerpa prolifera on the Atlantic European coast has been accepted in recent decades, to be Huelva province, southern Spain. In April 2011, this species was found in Ria Formosa, southern Portugal, extending its westernmost limit along the Iberian Peninsula coastline. In the course of research into this species it was discovered that this alga had been found in Ria Formosa in the 19th century by the naturalist Welwitsch and subsequently in the 1930s by others but it was never found in the many field studies conducted in Ria Formosa during the past few decades. The species had therefore either become extinct in the area or persisted as a cryptic undetected stage. In order to investigate the source of colonization and to verify the genetic identity, a partial cpDNA region (tufA gene) was sequenced. Comparisons of nucleotide similarity in sequences from the Ria Formosa and from populations of the Atlantic and Mediterranean confirmed the Caulerpa prolifera identification and gave clues about a possible origin of this population as deriving from expansion of a Mediterranean source rather than one from the western Atlantic.
Peer review: yes
URI: http://hdl.handle.net/10400.1/4053
ISSN: 0007-9723
Aparece nas colecções:CCM2-Artigos (em revistas ou actas indexadas)

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