550 



SUBJECT INDEX 



Poleward eastern boundary currents, 273 ff 

 Polypeptides, extracellular, 178, 202 

 Population: see under Fishery dynamics 

 Potassium biniodate, recommended for 



Winkler titration, 120 

 Potent iometric titration, 112 

 Predator-prey relation, 464 



carnivorous predation by Sagittae, 443 

 equations and models, suitability of, 



455 ff 

 Volterra's equations, 438, 442, 454 

 Preformed nutrients, 33 ff 

 phosphorus content, 35 

 Primary production of organisms, 129 



measurement from CO2 on nutrient salts 



consumption, 138 ff 

 methods of measuring, 134 ff 

 relation between gross and net rates 



below a surface unit, 154 ff 

 single individual measurements, signi- 

 ficance of, 157 ff 

 transparency of water versus organic 

 production, 155 ff 

 Primary Standard Sea-Water, 112 

 Productivity, definition and measurement, 

 129, 429 ff (see also Geographic varia- 

 tions in productivity) 

 annual, dependent on trophic level, 429 

 correlation with vertical mixing, 354 

 definitions, 133 ff, 429 

 relationships with various factors, 352, 

 429 

 Prymnesium parvum, 176, 189 

 Puget Sound, 37 

 Purine, 227 



Putter's hypothesis, 198 

 Pyrimidines, 226 ff 



Radiation: see Incident radiation 

 Radioactive substances, enrichment in 



marine products, 81 

 Radioactive waste disposal, 85 ff 

 Radioactivity in the sea: see Artificial 

 Radioactivity, maximum permissible levels 



in marine materials, 85 

 Radiochemical analysis of sea-water, 80 

 Radioisotopes and large-scale oceanic mix- 

 ing, 88 

 conclusions, 107 ff 



models of oceanic mixing, 88, 96 ff, 100 ff 

 tagging and tracer techniques, 118 ff 

 tracer experiments, 84 

 useful isotopes, characteristics needed, 

 88 ff 



Radiocarbon 14 C 



Geiger-Miiller tubes for measuring, 142 



modifications of method in measuring 

 productivity of organisms, 148 



oceanic tracer, 89 



productivity measurement by, 141 ff, 

 357 



respiration rate measurement by, 144 ff 



steady-state distribution, 90 ff 



sub -surface water -masses of Atlantic 

 Ocean, 93 



sub-surface water-masses of Pacific 

 Ocean, 94 



surface ocean samples, 91 

 Radionuclides 



concentration factors in some marine 

 organisms, 81 



235 U neutron fission products, activities, 

 79 



238 U series, 21 

 Radium isotope 226 Ra 



circulation studies using, 88 ff 



data comparisons, 103 



depth profiles of, 21 



distribution, 102 ff 



natural radiocarbon, 89 

 Recurrent groups of species, 422 ff 

 "Red tides", 188 

 Refractive index, chlorinity, relation to, 



111 

 Relaxation method, 444 ff 

 Remote underwater manipulator (RUM), 



511 ff, 515 

 Respiration, measurements of rate of, 144 ff 

 Reykjanes Ridge, productivity, 372 

 Rhamnoside in sea-water, 174 

 Rhodamine B dye, 118 ff 

 Rhodophyceae, vitamin requirements, 195 

 Ross Sea, 285 ff 



Sagittae as carnivorous predators, 443 

 Sagitta setosa as biological indicator, 199 

 Sardines, 474, 476 



Schaefer: see tinder Fishery dynamics 

 St. John Harbor estuary, 311 

 Salinity and its measurement, 1 10 ff , 392 

 [see also T—S curves) 



chlorinity relation, 111 ff 



computed values, 111, 117 



definition, 115 



eastern boundary currents, 262 



gradient in estuaries, 309 



stability against polarization, fouling and 

 poisoning, 114 



