Figure 3. Distribution of ATP (pg g^-1), porosity (volume fraction, interpolated from Paull, Matsumoto, Wallace, et al., 1996), number averaged diameter (µm), organic carbon (wt%), CaCO₃ (wt%), total nitrogen (wt%) and C/N ratios in sediments from Site 994. Open circles are results from Paull, Matsumoto, Wallace, et al. (1996). 396