566
SUBJECT INDEX
lichens of, 191
micronutrients of, 67
potassium in, 66
radioactive debris in, 71
salt relationships in, 61
silicates in, 58
soils of, 36, 39, 41, 47, 52, 70, 90-93
vegetation of, 146
Amino acid synthesis, in halophytes, 293
Ammonia, nitrogen excreted as, 328
Amphibians, 511
Ant, 75, 312, 540
Antarctic desert
algae of, 175
ecology of, 203
lichens of, 198
Antelope, 514, 515
Antelope jackrabbit, 504
Anthocyanin, in halophytes, 293
Aquifers, 5, see also Great Artesian
Basin; Nubian Aquifer
carbonate, 25-27
recharge of, 13
in Sahara Desert, 128
springs from, 393, 395
Aquifer test, 9
Arabian deserts, 20
algae of, 170
climate, 104, 224
lichens of, 189
soils of, 80-81
vegetation of, 80, 81
Arabian Peninsula, 21
Arabo-nubian Shield, 108
Arachnids, 312
Arbre du Tenere, 142
Arctic desert
algae of, 178
lichens of, 190
Arenenos, see Piman Indians
Argentina
climate, 224
desert soils, 88
succulents of, 272
xerophytes of, 267, 268
Argids, 39-40
Argillic horizon, 37, 40
formation, 39
Aridisols, 34-36, see also Argids; Orthids
carbonates in, 34, 54
Aridity
definition, 34, 122-123
of Sahara Desert, 110
Aristida, 139
Arizona, 523
algae of, 167
clay of, 42-43
iron in, 59
microorganisms of, 73
nitrogen of, 62
pavements of, 50
piping in, 51
rivers of, 387, 388, 392, 393
vegetation of, 249, 257, 259-262, 263
xerophytes of, 266, 267-268, 269
Arizona deserts, see also Sonora Desert
algae of, 74, 170
climate, 237
fungi of, 200
microorganisms of, 76
organic matter of, 68, 69
osmotic spectrum for, 229
phosphorus in, 64-66
Arizona sycamore, 510
Arkansas River shiner, 454
Arrowweed, 516
Arroyo cutting, 392, 403, 453
Artesian wells, see Wells
Arthropods, 156, 311
Asian deserts, see also Central Asian
deserts; specific deserts
halophytes of, 293
insects of, 312
lichens of, 189-190
relief, 127
silcrete of, 57
Asiatic goldfish, 410
Asparagus, salt tolerance, 18
Atacama Desert
algae of, 171
fungi of, 76, 200
lichens of, 187, 191, 199
microorganisms of, 71, 73, 75
soils of, 88-89
soluble salts of, 59, 61
Atherinid fishes, 425, 462
Australia
Great Artesian Basin, 23-25
halophytes of, 293
SUBJECT INDEX
lichens of, 191
micronutrients of, 67
potassium in, 66
radioactive debris in, 71
salt relationships in, 61
silicates in, 58
soils of, 36, 39, 41, 47, 52, 70, 90-93
vegetation of, 146
Amino acid synthesis, in halophytes, 293
Ammonia, nitrogen excreted as, 328
Amphibians, 511
Ant, 75, 312, 540
Antarctic desert
algae of, 175
ecology of, 203
lichens of, 198
Antelope, 514, 515
Antelope jackrabbit, 504
Anthocyanin, in halophytes, 293
Aquifers, 5, see also Great Artesian
Basin; Nubian Aquifer
carbonate, 25-27
recharge of, 13
in Sahara Desert, 128
springs from, 393, 395
Aquifer test, 9
Arabian deserts, 20
algae of, 170
climate, 104, 224
lichens of, 189
soils of, 80-81
vegetation of, 80, 81
Arabian Peninsula, 21
Arabo-nubian Shield, 108
Arachnids, 312
Arbre du Tenere, 142
Arctic desert
algae of, 178
lichens of, 190
Arenenos, see Piman Indians
Argentina
climate, 224
desert soils, 88
succulents of, 272
xerophytes of, 267, 268
Argids, 39-40
Argillic horizon, 37, 40
formation, 39
Aridisols, 34-36, see also Argids; Orthids
carbonates in, 34, 54
Aridity
definition, 34, 122-123
of Sahara Desert, 110
Aristida, 139
Arizona, 523
algae of, 167
clay of, 42-43
iron in, 59
microorganisms of, 73
nitrogen of, 62
pavements of, 50
piping in, 51
rivers of, 387, 388, 392, 393
vegetation of, 249, 257, 259-262, 263
xerophytes of, 266, 267-268, 269
Arizona deserts, see also Sonora Desert
algae of, 74, 170
climate, 237
fungi of, 200
microorganisms of, 76
organic matter of, 68, 69
osmotic spectrum for, 229
phosphorus in, 64-66
Arizona sycamore, 510
Arkansas River shiner, 454
Arrowweed, 516
Arroyo cutting, 392, 403, 453
Artesian wells, see Wells
Arthropods, 156, 311
Asian deserts, see also Central Asian
deserts; specific deserts
halophytes of, 293
insects of, 312
lichens of, 189-190
relief, 127
silcrete of, 57
Asiatic goldfish, 410
Asparagus, salt tolerance, 18
Atacama Desert
algae of, 171
fungi of, 76, 200
lichens of, 187, 191, 199
microorganisms of, 71, 73, 75
soils of, 88-89
soluble salts of, 59, 61
Atherinid fishes, 425, 462
Australia
Great Artesian Basin, 23-25
halophytes of, 293