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Fiordos de Chile: Potencial zona de crianza de Bathylagichthys parini (Pisces: Osmeriformes: Bathylagidae)

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Calidad ecotoxicológica de los sedimentos en fiordos del sur de Chile

RESEARCH NOTE

Tasas metabólicas y productividad primaria de la macroalga marina Dictyopteris delicatula en la Bahía de Taganga, Caribe Colombiano

Authors

CORRESPONDING

Juan Diego Gaitán-Espitia

juadiegaitan@gmail.com

1

1

Instituto de Ecología y Evolución, Facultad de Ciencias, Universidad Austral de Chile, Casilla 567 Valdivia, Chile

2

2

Centro de Investigaciones en Zoología y Ecología Marina (CIZEM), Santa Marta, Colombia

Abstract

Metabolic rates and photosynthetic performance of Dictyopteris delicatula were measured in the south of Taganga Bay and on Inca-Inca beach, Colombia, during September and November 2007, as part of a monitoring program of water quality and pollution associated with the stormwater system of the city of Santa Marta. Concentrations of chlorophyll-a of D. delicatula did not show significant differences between both areas but the average rates of net primary productivity and respiration differed significantly, likely due to the effect of the nutrient loadings from the stormwater outlet in Taganga Bay, altering the physiological processes of the macroalgal community.

Key words

Phaeophyta, photosynthesis, respiration, metabolism, Colombia

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