The physicochemical variables and cyanobacteria of Mid-Cross River, Nigeria, were studied in six stations between March 2005 and August 2006 to determine the relationship between water quality and cyanobacteria abundance. Canonical Correspondence Analysis (CCA) showed that biological oxygen demand (BOD), dissolved oxygen, pH, water velocity, width and depth were important environmental factors ...

P. He*, K. P. Bader, and G. H. Schmid Universität Bielefeld, Fakultät für Biologie, Lehrstuhl Zellphysiologie, D-4800 Bielefeld 1, Bundesrepublik Deutschland Z. Naturforsch. 46c, 629-634 (1991); received March 21, 1991 Filamentous Cyanobacterium, Photosystem II, Water Splitting, S-States, Hydrogen-Peroxide Analogue In tobacco chloroplasts hydrazine-dependent dinitrogen formation measured by mas...