Fig. 3From: Evaluation of native microalgae from Tunisia using the pulse-amplitude-modulation measurement of chlorophyll fluorescence and a performance study in semi-continuous mode for biofuel productionChanges in biomass concentration (a), biomass productivity (b) and photosynthetic efficiency (c) of Tetraselmis sp., Chlorella sp., Nitzschia sp. and Scenedesmus sp. once steady state of the cultures was achieved as a function of the dilution rate appliedBack to article page