Table 3 MOCNESS plankton tow environmental and foraminiferal data for the potentially deep dwelling species (>125 ?m). (Values of Zero omitted for clarity) Tow site and date Depth Range (m) Density Range (kg m-3) Volume Filtered (m3) Mean Temp (°C) Mean Salt (psu) Mean Density (kg m-3) MeanCp (m-1) Mean Pdv (ml m-3) G. scitula (m-3) G. hexagona (m-3) G. calida (m-3) Left coiling N. pachyderma (m-3) 121 km 0-30 24.2 - 24.5 33 14.8 32.8 24.3 0.307 8.5 0.12 0.12 42.060 °N 30-70 24.5 - 25.6 39 10.9 33 25.2 0.119 2.3 125.665 °W 70-100 25.6 - 26.0 114 8.9 33.3 25.8 0.061 0.4 0.07 0.07 9/21/90 100-200 26.0 - 26.5 147 8 33.8 26.3 0.054 0.5 0.3 0.05 200-400 26.5 - 26.8 342 6.7 34 26.7 0.042 0.6 1.3 0.07 400-600 26.8 - 27.1 154 5.2 34.1 27 0.03 0.4 0.65 0.05 0.24 600-800 27.1 - 27.2 134 4.4 34.3 27.2 0.031 0.3 0.24 0.06 0.18 220 km 0-30 23.8 - 23.8 34 16.3 32.6 23.8 0.23 6.3 0.12 42.167 °N 30-70 23.8 - 25.5 20 12.2 32.9 24.9 0.128 3.3 126.858 °W 70-100 25.5 - 25.9 19 8.9 33.2 25.7 0.058 0.8 0.63 0.21 9/28/90 100-200 25.9 - 26.5 113 8.1 33.8 26.3 0.064 0.3 0.14 0.04 200-400 26.5 - 26.8 293 6.6 34 26.7 0.042 0.4 0.37 0.03 0.06 400-600 26.8 - 27.1 257 5.2 34.1 27 0.029 0.4 0.34 0.03 0.02 600-800 27.1 - 27.2 268 4.4 34.3 27.2 0.03 0.2 0.45 0.1 0.07 289 km 0-60 23.0 - 25.2 57 14 32.4 24.1 0.186 5.3 0.35 42.169 °N 60-100 25.2 - 26.0 40 8.4 32.8 25.5 0.054 1.1 127.694 °W 100-200 26.0 - 26.6 99 7.7 33.8 26.4 0.044 0.5 0.08 0.04 9/23/90 200-400 26.6 - 26.9 159 6.2 34 26.7 0.031 0.7 0.28 0.03 400-600 26.9 - 27.1 264 4.8 34.1 27 0.024 0.5 0.09 0.03 600-800 27.1 - 27.3 329 4.3 34.3 27.2 0.027 0.2 0.01 0.01 0.01 572 km 0-30 23.3 - 24.1 46 17.9 32.6 23.5 0.07 1.1 0.09 41.493 °N 30-70 24.1 - 25.2 72 11.9 32.7 24.8 0.084 1.7 0.11 0.06 131.070 °W 70-100 25.2 - 25.3 32 8.9 32.6 25.3 0.055 1.1 0.12 9/26/90 100-200 25.3 - 26.3 125 7.5 33 25.8 0.031 0.5 0.45 0.03 200-400 26.3 - 26.8 229 6.6 33.9 26.6 0.028 0.3 0.62 0.05 0.15 400-600 26.8 - 27.0 458 5 34.1 26.9 0.024 0.2 0.06 0.47 0.38 0.02 600-800 27.0 - 27.2 258 4.2 34.2 27.1 0.023 0.2 0.68 0.26 0.28 0.02