Recurrent depth maxima of the hepatotoxic cyanobacterium Oscillatoria agardhii
作者： Tore Lindholm , Jussi A. O. Meriluoto
DOI: 10.1139/F91-193
关键词: Cyanobacteria 、 Toxin 、 Botany 、 Hepatotoxin 、 Chlorophyll a 、 Eutrophication 、 Oscillatoria agardhii 、 Biology
摘要: Toxic cyanobacteria, which have been implicated in human illness and animal mortalities, are common many lakes, but their seasonal vertical distribution is poorly known. We report persistent recurrent metalimnetic blooms of Oscillatoria agardhii the eutrophic Lake Ostra Kyrksundet (southwest Finland) associated toxin peaks analyzed quantitatively using liquid chromatography. Marked maxima toxic O. developed during 1988–90. The desmethyl-microcystin-RR (a cyclic heptapeptide hepatotoxin) levels metalimnion were 20–40 μg∙L−1 paralleled chlorophyll a concentrations.
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