The use of size fractionation for determining the bacterial contribution to overall pelagic oxygen consumption rates.

Size fractionations in combination with precise oxygen measurements, determinations of bacterial cell numbers and chlorophyll a analyses were used in the Oosterschelde basin and Lake Grevelingen to establish the bacterial contribution to overall pelagic oxygen consumption rates. On computation, 101 and 59% of total respiration could be attributed to bacterial activity in winter in the basin and in the lake, respectively. In summer, the bacterial component of total activity was calculated to amount to 54 and 57% in the basin and in the lake, respectively. Microbial contribution to in situ overa... Mehr ...