Discovery reports (1935-1936) Discovery reports discoveryreports11inst Year: 1935-1936 APPENDIX: VALIDITY OF METHOD 507 Whilst the consecutive indicator samples were being taken the Continuous Plankton Recorder was also working. It was not however intended that the indicator series should 17455 MILLION5 1500 1000 500 4500 4000 3500 3000 2500 2000 -1500 000 500 2 3 4 5 H0UR_ o o en 1 1 1 1 1 1 1 rz—ri 1 1 T7—ri 1 1 1 1 1 1 1 r 6 7 8 9 10 II 12 13 [14] 15 16 17 [l8j 19 20 21 22 23 24 25 26 C0N5ECUTIVE INDICATOR HAUL5 I mile EACH ▲ ▲ ▲ ▲ o o CU o o o C\J o o CM a a n OJ Fig. 30. Histograms s
Discovery reports (1935-1936) Discovery reports discoveryreports11inst Year: 1935-1936 APPENDIX: VALIDITY OF METHOD 507 Whilst the consecutive indicator samples were being taken the Continuous Plankton Recorder was also working. It was not however intended that the indicator series should 17455 MILLION5 1500 1000 500 4500 4000 3500 3000 2500 2000 -1500 000 500 2 3 4 5 H0UR_ o o en 1 1 1 1 1 1 1 rz—ri 1 1 T7—ri 1 1 1 1 1 1 1 r 6 7 8 9 10 II 12 13 [14] 15 16 17 [l8j 19 20 21 22 23 24 25 26 C0N5ECUTIVE INDICATOR HAUL5 I mile EACH ▲ ▲ ▲ ▲ o o CU o o o C\J o o CM a a n OJ Fig. 30. Histograms showing the total phytoplankton and total Copepoda taken in the same series of consecutive Indicator samples referred to in Figs. 28 and 29. Samples 14 and 18, indicated by asterisks, were unfortunately lost before analysis. give results to be compared exactly with those from the Recorder for the latter was being tested at a standard depth of 10 m. for the cruise whereas the indicator was not then designed to reach a depth of more than a few metres. Further, on this occasion the recorder propeller, an experimental one, was only winding on one section of the roll for every 3-5 miles of sea traversed and again the apertures of the two instruments varied, 7-2
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