Fig. 5From: 40-year long-term study of microbial parameters near Helgoland (German Bight, North Sea): historical view and future perspectives DGGE profiles of fractionated water samples, corresponding bacterial direct counts (as AODC) and water temperature from August 1996 to July 1999. Sample fraction 1 >3 µm; sample fraction 2 0.2–3 µm. DGGE denaturant gradient gel electrophoresisBack to article page