Figure 2

Mortality by exposure period in Mytilus galloprovincialis exposed to hypoxia. The number of survivors is indicated on the Y-axis, and the exposure duration (days) is on the X-axis. Mortality was determined in triplicate experiments and is expressed as the mean ± SD (n = 12). Square, control group (8 mg/L dissolved oxygen (DO 8)); circle, DO 2 exposure group.