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Sensitivity, microalgae

Coelho RS, Franco TT (2013) High biomass productivity from substrate sensitive microalgae. In Paper presented at the 3rd international conference on algal biomass, biofuels and bioproducts, Toronto... [Pg.73]

Other kinds of bloassays have been used to detect the presence of specific allelochemical effects (8), effects on N2 fIxatlon (9), the presence of volatile compounds (10) and of Inhibitory substances produced by marine microalgae (11). Putnam and Duke (12) have summarized the extraction techniques and bioassay methods used In allelopathy research. Recent developments In high performance liquid chromatography (HPLC) separation of allelochemlcals from plant extracts dictates the need for bloassays with sensitivity to low concentrations of compounds contained In small volumes of eluent. Einhellig at al. (13) described a bloassay using Lemna minor L. growing In tissue culture cluster dish wells that maximizes sensitivity and minimizes sample requirements. [Pg.198]

F. Xiong, L. Nedbal, A. Neori (1999). Assessment of UV-B sensitivity of photosynthetic apparatus among microalgae Short-term laboratory screening versus longterm outdoor exposure. J. Plant Physiol., 155,54-62. [Pg.538]

Figure 7 Yearly average areal productivity of an inclined flat-panel PBR (45 degree) as a function of the residence time applied on the cultivation system operated in continuous mode (Nantes locations, France). Values are given for the microalga C. vulgaris and for the cyanobacteria A. platensis, illustrating the narrower range of residence time to maximize productivity for eukaryotic cells as explained by their sensitivity to dark volumes induced by too high values of residence time values. Figure 7 Yearly average areal productivity of an inclined flat-panel PBR (45 degree) as a function of the residence time applied on the cultivation system operated in continuous mode (Nantes locations, France). Values are given for the microalga C. vulgaris and for the cyanobacteria A. platensis, illustrating the narrower range of residence time to maximize productivity for eukaryotic cells as explained by their sensitivity to dark volumes induced by too high values of residence time values.
The present results show that all marine plants, which may broadly be classified as shade plants, are sensitive to UV irradiation. The most sensitive organisms were found to be phytoplanktonic microalgae. Significantly it is the phytoplankton which may be most at risk should a significant ozone depletion event occur over the productive waters of the the Southern Ocean. [Pg.1346]

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