546 



SUBJECT INDEX 



Heterotrophy 



marine algae, 191 



plants, 130 

 Histidine, 226 



Holoplankton, 382, 405, 411 

 Honolulu, intercalibration trials, 151 

 Hugh M. Smith (survey ship) cruise, 243 

 Humic substances, 202 

 Hydrodynamic features which influence 



productivity, 369 ff 

 Hydrogen: see also Tritium 3 H 

 Hypoxanthine, 227 



Iceland waters, productivity, 364, 371 

 Incident radiation influencing plant pro- 

 duction, 347 

 Indian Ocean 



annual range of surface temperature, 



270 

 coastal upwelling, 370 

 deep water mainly absent, 74 

 equatorial currents, 237 ff 

 ionium-thorium ratio, 1 1 

 phosphate and oxygen contents, 73 

 phosphorus concentration, 41 

 productivity rates in equatorial part, 



358 

 slope of sea surface, 241 ff 

 Indicator species, 404 

 Indo-Malayan region, productivity, 375 

 Industrial C0 2 effect, 102, 103 

 Influence of organisms on the composition 



of sea-water, 26 

 Infrared spectrophotometry, 121 

 Inlets: see Estuaries, definition 

 International Geophysical Year (1957- 



1958), 365, 486 

 International Oceanographic Congress 



(1959), 133 

 Intertidal communities, 427 

 Invertebrates producing antibiotics, 187 

 Iodide, air and photochemical oxidation of, 



120 

 Iodine in sea-water, 7 

 Ion exchange, 117 

 Ion exchange, partial recovery of dissolved 



organic matter, 166 

 Ionium, 21 



230Th activities in leachates, 22 

 Irminger Current and Sea, productivity, 



364, 371 

 Isentropic analysis, 235 

 Isoleucine, 226 

 Isothermal waters, 355 



Isotopes in sea- waters, 8 ff {see also Radio- 

 nuclides) 

 discriminative influence, on CO2 fixation, 



146 ff 

 ionium-thorium ratio, 11 

 nitrogen, 8 



oxygen in dissolved gas, 8 

 18 0/ 16 ratio in foraminifera, 23 

 sulfur, 8 

 thorium ratio, 1 1 



James River estuary, 311, 320 ff 

 Juan de Fuca, Strait of, 61 



Katodinium dorsalisulcum, 176 

 Kattegat (Denmark): see also Lightships 



14 C measurements, 149 



weather affecting persistence of algae, 161 

 Kenoe Bay, 53 

 "Kernschichtmethode", 235 

 Knight Inlet estuary, 314 

 Knudsen 



hydrographic tables (1901), 115 



reversing water bottle, 124 



titration, 112 

 Kuroshio Current 



Calanus pacificus, 390 



density, 263 



euphasiids, 386, 390 



productivity, 364 



transverse slope, 337 

 Kuroshio diving chamber, 499 



Labrador Sea and Current, productivity, 



365, 371 

 Labi/r/nthula, 228 

 Laminaria, 376 



Leachates from Core Monsoon 49G, 22 

 Lead, 19 



210 Pb activities in leachates, 22 

 Liebig's law of the minimum, 39 

 Light, mean amounts, incident radiation, 



extinction coefficient, 373 

 Lightships in Danish waters, used for 14 C 



measurements, 148, 158 

 Lobsters, 410 



Logarithmic series in statistical com- 

 parisons, 423 



MacArthur's distribution, 425 



truncated log-normal distribution, 425 

 Long Island Sound 



nutrient production, 374 



phosphorus concentration changes, 57, 61 



