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Interspecific variations in responses of mangrove seedlings to two contrasting salinities

par Jayatissa, Loku Pulukkuttige;Wickramasinghe, Lanka W.A.A.D.;Dahdouh-Guebas, Farid ;Huxham, Mark
Référence International review of hydrobiology, 93, 6, page (700-710)
Publication Publié, 2008

Article révisé par les pairs

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Résumé :

The growth performance of seedlings of seven species of true mangroves (Avicennia marina, A. officinalis, Bruguiera gymnorrhiza, B. sexangula, Rhizophora apiculata, R. mucronata, and Sonneratia caseolaris) in response to two contrasting salinity regimes, low (i.e., 3-5) and medium (i.e., 25-27), was studied. Species represented all categories relevant to vivipary (i.e., true viviparous species, cryptoviviparous species and non-viviparous species), and included closely related pairs as well as species commonly used in replanting in Sri Lanka. Species could be ranked in descending order of salinity tolerance as A. marina > R. mucronata > R. apiculata > B. gymnorrhiza > A. officinalis > B. sexangula > S. caseolaris, hence taxonomically similar species and those sharing vivipary characteristics may be distant in salinity tolerance. © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.