Resumo

HERNANDEZ, Esnedy; AGUIRRE, Nestor Jaime  e  PALACIO, Jaime Alberto. Relationship between chlorophyll a pigment and algal geometric biovolume determination in a íloodplain lake (Ciénaga Ayapel, Córdoba- Colombia). Rev.fac.ing.univ. Antioquia [online]. 2011, n.60, pp.159-169. ISSN 0120-6230.

The estimation of biomass of planktonic algae can be done by two methods, the quantification of geometric biovolume and chlorophyll α. This work which considers as environmental scenario the Ayapel-Cordoba flood-plain lake, introduces (presents) the two protocols for geometric biovolume and chlorophyll α quantification, and shows that both variables actually represent differences in biomass in space and time, also recording a high degree correlation. The results show that by using an appropriate extraction method for chlorophyll α, it is possible to have a quick and effective method for determining the biomass of algae that can be used to apply a trophic classification, which can also be obtained by counting and estimation microscopic geometric dimensions.

Palavras-chave : phytoplankton; biovolume; chlorophyll α.

        · resumo em Espanhol     · texto em Espanhol     · Espanhol ( pdf )