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Vegetación marina de un sector de la plataforma continental de la Guajira (Caribe colombiano)

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Author
Diaz-Pulido, G.
Date
2000

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Alternative Title
Marine Vegetation from a locality of the continental of La Guajira (Colombian Caribbean)
Abstract
A list of 46 species of marine macrophytes (44 algae and 2 seagrasses) collected between 5 to 36 m depth off Riohacha, on the continental shelf of the peninsula La Guajira (Colombian Caribbean) is presented. 22 species of algae were not previously known from this area. A total of 149 apecies are now registered from the area of La Guajira. Three types of macrophyte asociations were found: (1) dominated by the seagrass Thalassia testudinum with a dry leaf biomass between 27 and 40 gm-2 at 5 m depth. (2) established at -17 m and also dominated by T. testudinum, but with a lower dry leaf biomass (14 gm-2) and a more scattered distribution; green rhizophytic macroalgae (Caulerpa spp.) are quite common. (3) dominated by red and green macroalgae with a total dry biomass of 14 gm-2 at -36 m. 92 % of the species found occurs also in the Santa Marta region, located 160 km far W-SW from the study area. In general, the species found are widely distributed in the Caribbean.
Una lista de 46 especies de macrófitos marinos (se presenta 44 de algas y hierbas marinas 2) recogidos entre la profundidad de 5 a 36 m frente a Riohacha, en la plataforma continental de la península de La Guajira (Caribe colombiano). 22 especies de algas que anteriormente no eran conocidos de esta zona. Un total de 149 apecies están registradas en la zona de La Guajira. Tres tipos de Asociaciones de macrófitos se encontraron: (1) dominada por el pasto marino Thalassia testudinum con una biomasa de hojas secas entre 27 y 40 gm-2 a los 5 m de profundidad. (2) estableció a -17 m, y también dominados por T. testudinum, pero con una menor biomasa de hojas secas (14 g-2) y una distribución más dispersa; macroalgas rhizophytic verde (Caulerpa spp.) Son muy comunes. (3) dominada por macroalgas rojas y verdes con un total de biomasa seca de 14 gm-2 a -36 m. 92% de las especies encontradas se produce también en la región de Santa Marta, situada a 160 km W-SW de la zona de estudio. En general, las especies que están ampliamente distribuidos en el Caribe.
Journal
Boletín de investigaciones marinas y costeras
Volume
29
Publisher or University
INVEMAR, Santa Marta (Colombia)
Resource/Dataset Location
http://www.invemar.org.co/siad/descarga.jsp?type=documento&id=750
URI
http://hdl.handle.net/1834/3313
Collections
3. Boletín de Investigaciones Marinas y Costeras

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