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The Brazilian seagrasses

de Oliveira F., Eurico C. ; Pirani, JoséR. ; Giulietti, Ana M.

Aquatic botany, 1983-01, Vol.16 (3), p.251-267 [Periódico revisado por pares]

Amsterdam: Elsevier B.V

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  • Título:
    The Brazilian seagrasses
  • Autor: de Oliveira F., Eurico C. ; Pirani, JoséR. ; Giulietti, Ana M.
  • Assuntos: America ; Biological and medical sciences ; Chorology ; Fundamental and applied biological sciences. Psychology ; Hydrocharitaceae ; Marine ; Plant cytology, morphology, systematics, chorology and evolution
  • É parte de: Aquatic botany, 1983-01, Vol.16 (3), p.251-267
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: Based on a critical review of the literature, and on abundant material recently collected along the coast of Brazil, a synthesis of the occurrence and distribution of the Brazilian species of seagrasses is presented. Two species of Hydrocharitaceae, namely Halophila baillonii Aschers. and H. decipiens Ostenf., and three species of Potomogetonaceae, Halodule emarginata den Hartog, H. wrightii Aschers. and Ruppia maritima L. s.s., were found. Ruppia maritima was found all along the Brazilian coast, from about 3 to 32°S latitude, in brackish water ponds and lakes, with salinities varying from 0.3 to 28ℵ.. The other species are restricted to normal seawater ( ±35ℵ.), although Halodule wrightii was also found in hypersaline waters (45ℵ.). This last species is the most common seagrass in Brazil. The species of Halophila are restricted to warmer waters and were not found further south than Rio de Janeiro State, being especially common on the NE coast at depths down to 62 m. During the course of these studies, Halophila baillonii was found for the second time in Brazil since its original collection in 1888. A critical comparison of a large number of plants leads us to the conclusion that Halodule brasiliensis Lipkin cannot be distinguished from H. wrightii, and H. lilianae den Hartog cannot be distinguished from H. emarginata. Reproductive structures of H. emarginata are described for the first time.
  • Editor: Amsterdam: Elsevier B.V
  • Idioma: Inglês
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