RT info:eu-repo/semantics/article
T1 Seasonal variations in growth and reproduction of Sargassum orotavicum (Fucales, Phaeophyceae) from the Canary Islands.
A1 Afonso Carrillo, Julio
A1 Díaz Vila, Tania
A1 Sansón Acedo, Marta
A2 BotánicaEcología y Fisiología Vegetal
A2 Botánica Marina
AB Phenology and spatial-temporal variation patterns duringan annual cycle of Sargassum orotavicum from theCanaries have been studied for the first time. Data onmorphological variation of general habit, stipes, primaryand secondary branches, primary and secondary blades,vesicles and receptacles are presented. Sargassum orotavicum is a pseudoperennial species showing a significant seasonality in most parameters that have beenstudied. This species has four phases within the year: (1)regeneration, from perennial stipes and holdfasts in lateautumn; (2) growth, with the beginning of the development of thallus structures that renew every year, in winter;(3) reproductive, with a vegetative climax prior to thereproductive, in spring; and (4) senescence and degeneration, with detachment of thallus structures that renewyearly, in summer. Biomass of branches, blades, vesiclesand receptacles showed a significant seasonal variation,with maximum values in spring and minimum in late summer and autumn. This warm-temperate species exhibiteda phenological behaviour intermediate between tropicaland cold-temperate species of Sargassum. Analysis ofwithin- and between-individual stability of eleven continuous traits indicated that the highest variation occurredtemporally
YR 2005
FD 2005
LK http://riull.ull.es/xmlui/handle/915/27372
UL http://riull.ull.es/xmlui/handle/915/27372
LA en
DS Repositorio institucional de la Universidad de La Laguna
RD 08-jul-2024