SUBJECT INDEX 



549 



Pacific Ocean — continued 



organic matter dissolved in, 172 

 phosphate and oxygen contents, 73 

 phosphorus concentrations, 41 

 radiocarbon 14 C sub-surface samples, 94 ff 

 radiocarbon 14 C surface samples, 91 

 residence times of deep water, 107 

 sardine, 474 



slope of sea surface, 241 ff 

 subarctic species of zooplankton, 386 ff 

 yellowfin tuna fishery, 477, 480 

 zones of sea-level changes, 486 

 zooplankton distribution, 277 



Pantothenic acid, 183, 198 



Panulirus interruptus, 410 ff 



Paper chromatography, 229 



Paraguana peninsula, upwelling in lee of, 65 



Particulate light-absorbing non-living 

 matter, 375 



Pelagic sediments 



ferromanganese minerals in, 7 

 induced radionuclides in, 81 



Peptone and peptides, 228 



Peru, coastal upwelling, 369 



Peru Current, 253 ff, 258 ff, 392 

 transition zone, 385 

 upwelling, variations of, 270 ff, 371 

 zooplankton distribution, 277 



Phosphate 



concentration change rates, 68 

 eastern boundary currents, 265 

 regeneration rate, 37 



Phosphorites, 14 



Phosphorus 



Antarctic circumpolar sea distribution, 74 

 Atlantic Ocean, distribution of fractions 



in, 71 

 availability and utilization in sea-water, 



39 

 concentrations, 41, 57 

 distribution in trade-wind belt, 370 

 distribution in oceans of the world, map, 



73 

 inorganic, distribution in North Atlantic, 



34 

 limiting factor in phytoplankton growth, 



165 

 organic, used by algae, 191 

 seasonal distribution of fractions, 36 

 total in sample separated into fractions, 

 36 



Photic layer, 156, 159 ff 



Photosynthesis, 129, 137, 147, 151, 159 ff, 

 430 ff 



Photosynthesis — continued 



incident radiation, relation to, 440 

 light intensity, function of, 152 ff 

 oxygen production by, 139 

 Physical geodesy by TRANSIT compari- 

 sons, 336 ff 

 Phytoplankton {see also Plankton and 

 Productivity) 

 blooms, 372 



nutritional requirements of, 169 ff 

 photosynthesis-light intensity curves for, 



153 

 phytohormones in, 183 

 population related to depth, 353 

 production proportional to phosphate, 



450 

 relative photosynthesis of, 348 

 respiration, 441 

 seasonal cycles, 354, 441 

 sinking rate, 448 



vertical distribution and mixing, 131, 

 447 ff 

 Phytoplankton fertility, Organic regulation 



of, 165 

 Pinger instrument, 297 ff 

 Plaice fisheries, 468 ff, 473 

 Plankton (see also Phytoplankton) 

 atomic ratios of C, N, P in, 27 

 coastal and inshore waters, production in, 



372 ff 

 ecology researches from diving chamber, 



499 

 elementary composition, 27 ff 

 filtering by pressure, 150 

 growth -controlling factors, 356 

 mathematical models of populations, 



439 ff 

 nuclidic differentiation of fission pro- 

 ducts, 83 

 patches, 433 



permanent (holoplankton), 382 

 stenohaline and stenothermic species, 381 

 symposium (Bergen, 1957), 133 ff 

 temporary (meroplankton), 382 

 vertical range, 384 

 Planktonic algae, 137 



CO2/O2 exchange factor, 139 

 distribution, 140 

 Plant hormones in sea-water, 175 

 Plectonema nostocorum, vitamin content, 



182 

 Poeobius meseres, 389 ff 

 Poisons, 188 ff 

 Polar regions, sinking of water in, 99 



