390 



INDEX 



Greenhouse effect, 21, 27, 29 



Green Lake, 184-185 



Gross national product, U. S., 269 



Gross primary productivity defined, 284 



Hadley cell circulation, 149 

 Harvest 



by animals, 281 



food, 296 



forest, effects of, 300-301 



by man, 281 



of wood products, 295 

 Harvest method, 309 

 Heliomagnetic effect on radiocarbon 



production, 112 

 Herbivore(s) 



consumption by, 291-293 



in forest, 350 



respiration rates of, 360 

 Heterotrophs in a forest, 350-35 3 



biomass of, 360 



respiration rates of, 357-358, 360 

 Hubbard Brook Ecosystem Study, 329-330 

 Humus, 308, 377 



See also Detritus 

 Hydrogen sulfide, biogenic emission of, 



173-174 

 Hydrogen sulfide in the atmosphere, 177 

 Hypolimnion, 183 



Insect consumption of forest leaves, 358 

 Institute of Ecology, The, 368, 381 

 International Biological Programme, 291, 363, 



378 

 International 14 C Laboratory at Charlotten- 



lundSlot, 211 

 Inorganic carbon 



in freshwater, 242 



in oceans, fluxes, 242 



"Ladder of life," 213 

 Lakes 



nutrient recycling in, 183-184 



oxidizing conditions in, 183 



reduced gases in, 183 



reducing conditions in, 183 



thermal stratification of, 183 

 Lateral roots in forests, 348, 354 

 Lawrence Lake, 246, 251-252 

 Linsley Pond, 182, 184-185 

 Litterfall in forests, 358 

 Lumber and wood pulp, 326-327 



Lysocline, 191-192 

 related to carbonate solubility, 373 



Macroinvertebrates in forest litter, 353 

 Macrophytes in freshwater, 249 

 Marshes (.see Estuaries) 

 Mauna Loa, 22-23, 26, 51-53 

 Metabolism, global 

 of carbon, 187 

 of sulfur, 187 

 Methane in the atmosphere, 144 

 1 4 C analyses of, 144-146 

 destruction of, 144, 149-150, 153 

 isotopic composition of, 153-155 

 losses to stratosphere, 149-150 

 mixing ratio of, 151 

 production of, 144, 148 

 profiles of, 152 



relation to CO and H 2 cycle, 149 

 seasonal variations in, 153 

 sinks of, 148-149, 151, 153 

 sources of, 145-148, 154, 183 

 turnover time for, 144, 148, 151 

 Microbial populations in forest, 35 3 

 Microinvertebrates in forest litter, 353 

 Mineral resources 

 marine, 277 

 U. S. reserves of, 274 

 world reserves of, 272-273, 275 

 Models 

 advection— diffusion (ocean circulation), 15 

 for carbon budget of a forest, 345-363 

 for carbon-14 cycle in ocean— atmosphere 



system, 6-18 

 of carbon dioxide in atmosphere 

 ocean— land exchange 

 one-reservoir, 61-69 

 three-reservoir, 21-30 

 six-reservoir, 86-116 

 forest fertilization, 328-341 

 for detritus-pool dynamics, 321 

 Monitoring stations, recommended 

 ofC0 2 in the atmosphere, 371 

 of trace gases, 372 



National Academy of Sciences Committee 



on Resources and Man, 270 

 Net ecosystem production (NEP), defined, 



227,256,258,260 

 Net primary production, defined, 284 

 Nitrogen 



assimilation, global, 187 



