Morphological variability of Aulacoseira granulata (Ehr.) Simonsen (Bacillariophyceae) in the Lower Paraná River (Argentina)

@article{Ofarrell2001MorphologicalVO,
  title={Morphological variability of Aulacoseira granulata (Ehr.) Simonsen (Bacillariophyceae) in the Lower Paran{\'a} River (Argentina)},
  author={Ines O'farrell and Guillermo Tell and A. Podlejski},
  journal={Limnology},
  year={2001},
  volume={2},
  pages={65-71}
}
In this paper we consider the morphological variation within a natural population of Aulacoseira granulata (Ehr.) Simonsen in relation to environmental factors. This species was dominant in the phytoplankton of the Lower Paraná River (Argentina) and exhibited seasonal fluctuations of cell dimensions. The mean cell diameter was directly correlated with the river water level and inversely with pH and nitrate concentrations, whereas cell length was directly correlated with transparency and nitrate… CONTINUE READING

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