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Biodiversity of the Nemastomatales (Rhodophyta): new insights and future perspectives

2009-09-19Conference object Open access
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dc.contributor.authorGabriel, Daniela
dc.contributor.authorNeto, Ana I.
dc.contributor.authorFredericq, Suzanne
dc.date.accessioned2024-03-27T11:39:56Z
dc.date.available2024-03-27T11:39:56Z
dc.date.issued2009-09-19
dc.description.abstractABSTRACT: The Nemastomatales comprises two families of predominantly gelatinous representatives with heteromorphic life histories, the Nemastomataceae and Schizymeniaceae. Obscure and ephemeral events in the sexual cycle delimit genera in this order, but such phylogenetically informative features have not been confirmed for most species. Newly generated morphological data coupled with DNA sequence analysis inferred from chloroplast-encoded rbcL and nuclear LSU rDNA sequences of gelatinous red algae worldwide reveal that the external habit within select species is remarkably variable and cannot be used to distinguish species. Species reported as having a wide distribution range instead have a restricted distribution. For example, Platoma cyclocolpum (Mont.) Schmitz may be confined to the Macaronesian islands; the taxon going under this name from the Indian Ocean (Madagascar) is instead P. chrysymenioides Gavio et al., a species found throughout the Gulf of Mexico. Schizymenia dubyi (Chauvin ex Duby) J. Ag. described from Atlantic France is also present in Japan, but records of this taxon from the Azores, Namibia and Japan, should be referred to as S. apoda (J. Ag.) J. Ag., a species described from the Cape Province, South Africa. Recent deepwater collections of Predaea and Titanophora throughout the Gulf of Mexico coupled with unreported samples of Nemastomatales from the Azores and Japan are greatly expanding species diversity of the order. A firm biogeographic link between species from the Azores and the Gulf of Mexico and from Australia and the Indian Ocean is here firmly established and will be elaborated upon.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationGabriel, D., Neto, A., & S. Fredericq. (2009). Biodiversity of the Nemastomatales (Rhodophyta): new insights and future perspectives. In: Darwin’s mistake and what we are doing to correct it - Book of Abstracts, p. 19pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.3/6987
dc.language.isoengpt_PT
dc.subjectBiodiversitypt_PT
dc.subjectRhodophytapt_PT
dc.titleBiodiversity of the Nemastomatales (Rhodophyta): new insights and future perspectivespt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlacePonta Delgada, Portugalpt_PT
oaire.citation.startPage19pt_PT
oaire.citation.titleDarwin’s mistake and what we are doing to correct itpt_PT
person.familyNamede Lima Gabriel
person.familyNameNeto
person.familyNameFredericq
person.givenNameDaniela
person.givenNameAna
person.givenNameSuzanne
person.identifier.ciencia-id3B19-E72E-7E5F
person.identifier.ciencia-idF412-5515-7324
person.identifier.orcid0000-0002-0362-6274
person.identifier.orcid0000-0003-0708-5636
person.identifier.orcid0000-0002-2420-1902
person.identifier.ridC-1505-2010
person.identifier.scopus-author-id7102618919
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isAuthorOfPublication25cf77b5-7870-4c5d-85dd-9497358045db
relation.isAuthorOfPublication5a4f5ed1-4800-4d46-932d-b4063eaa8d14
relation.isAuthorOfPublication2ea7128f-7b21-461d-bac7-0cba13df4b75
relation.isAuthorOfPublication.latestForDiscovery2ea7128f-7b21-461d-bac7-0cba13df4b75

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