Effects of alkalinity, extremely low carbon dioxide concentration and irradiance on spectral properties, phycobilisome, photosynthesis, photosystems and functional groups of the native cyanobacterium Calothrix sp. ISC 65 - B. Abbasi; Sh. Shokravi; Ah. Golsefidi; A. Sateiee; E. Kiaei (Algology, 2019)