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Revista Facultad de Ingeniería Universidad de Antioquia
versão impressa ISSN 0120-6230versão On-line ISSN 2422-2844
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.