Pinnularia viridis
National Institutes of Health
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The observational and experimental approaches to ecological studies are outlined and contrasted. Most studies involving benthic…
A combination of carbohydrate analysis and atomic force microscopy (AFM) was used to characterize the polysaccharides of the…
DURING the period 1953–55 an investigation was made of the survival of freshwater algæ during dry periods1. Some attention was…