SUBJECT INDEX
573
Hare, 504
Harmattan, 121
Harpoons, 516
Hatching, delayed, in fishes, 463-465
Hawk moth, body temperature, 352
Hawks, 516
food taboos and, 514
Hermaphroditic rivulus, 460
Hiddensee, halophytes of, 288
Hopsage, 90
Hormones, in insect urine production,
331
Horns, shrines of, 514
Horses, 523
Huachuca agave, 507
Hubbert's force potential, 4-5
Humidity, 316-317, 318
of ergs, 127
hydrature and, 229, 232
microclimatic, 157
in Sahara Desert, 122
Humpback sucker, 511
Humus, in Sonoran Desert, 499
Hunting, 519
among Pimans, 514-515
Hydrature, 225-226, 243, 247, 249, 255
defined, 214
ecological plant types and, 262
environmental water conditions and,
229, 232-234
growth and xeromorphism and,
242-249
of protoplasm, 226-229
of succulents, 270-274
in xerophytes, 263-270
Hydrogen sulfide, effects on fishes,
432-433
Hydrohalophytes, salt tolerance, 70
Hydrologie budget, 8-9
Hydrologie cycle, 2
Hydrophils, of Sahara Desert, 150
I
Idaho, silicates of, 58
Iguana, 513
Iguidi, see Erg
Incense, 548
India, 81
desert climate of, 224
desert soils of, 82-83
Indian ricegrass, 90, 91, 93
Insects, 514, 540; see also specific insect
absorption of water vapor in, 340-344,
346-347
body temperature, 350-352, 354-356
cutaneous absorption of water in,
339-340
environmental water and, 316-318
in fishes' diets, 466, 467-468
larvae as food, 514
morphological adaptations, 356-363
nests of, 157, 546
organization, 314-316
osmoregulation in, 344-346
oxidation water and, 337-339
as Papago food, 514
phenology and behavior, 363-371
reabsorption of water from rectal
lumen in, 332-336
tolerance of water depletion and high
temperatures, 347-349, 355-356
water gain by eating and drinking in,
336-337
water loss in, 319-332
Ions
effects on halophyte protoplasm,
281-285
in ground water, 18
Iran, pavements of, 49
Iranian deserts
climate, 104, 224
lichens of, 189, 190-191
soils of, 81-82
Iranian-Turkemenian Desert, climate,
224
Iraqi desert
fungi of, 76, 200
microorganisms of, 73
water supply in, 222
Iron, 523
characteristics, 58
deficiency of, 66, 67
in desert varnish, 186-187
distribution, 59
in duripans, 39
in groundwater, 18
organic acid formation from, 68
origin, 58-59
Iron oxides, 57
in duripan horizon, 39
573
Hare, 504
Harmattan, 121
Harpoons, 516
Hatching, delayed, in fishes, 463-465
Hawk moth, body temperature, 352
Hawks, 516
food taboos and, 514
Hermaphroditic rivulus, 460
Hiddensee, halophytes of, 288
Hopsage, 90
Hormones, in insect urine production,
331
Horns, shrines of, 514
Horses, 523
Huachuca agave, 507
Hubbert's force potential, 4-5
Humidity, 316-317, 318
of ergs, 127
hydrature and, 229, 232
microclimatic, 157
in Sahara Desert, 122
Humpback sucker, 511
Humus, in Sonoran Desert, 499
Hunting, 519
among Pimans, 514-515
Hydrature, 225-226, 243, 247, 249, 255
defined, 214
ecological plant types and, 262
environmental water conditions and,
229, 232-234
growth and xeromorphism and,
242-249
of protoplasm, 226-229
of succulents, 270-274
in xerophytes, 263-270
Hydrogen sulfide, effects on fishes,
432-433
Hydrohalophytes, salt tolerance, 70
Hydrologie budget, 8-9
Hydrologie cycle, 2
Hydrophils, of Sahara Desert, 150
I
Idaho, silicates of, 58
Iguana, 513
Iguidi, see Erg
Incense, 548
India, 81
desert climate of, 224
desert soils of, 82-83
Indian ricegrass, 90, 91, 93
Insects, 514, 540; see also specific insect
absorption of water vapor in, 340-344,
346-347
body temperature, 350-352, 354-356
cutaneous absorption of water in,
339-340
environmental water and, 316-318
in fishes' diets, 466, 467-468
larvae as food, 514
morphological adaptations, 356-363
nests of, 157, 546
organization, 314-316
osmoregulation in, 344-346
oxidation water and, 337-339
as Papago food, 514
phenology and behavior, 363-371
reabsorption of water from rectal
lumen in, 332-336
tolerance of water depletion and high
temperatures, 347-349, 355-356
water gain by eating and drinking in,
336-337
water loss in, 319-332
Ions
effects on halophyte protoplasm,
281-285
in ground water, 18
Iran, pavements of, 49
Iranian deserts
climate, 104, 224
lichens of, 189, 190-191
soils of, 81-82
Iranian-Turkemenian Desert, climate,
224
Iraqi desert
fungi of, 76, 200
microorganisms of, 73
water supply in, 222
Iron, 523
characteristics, 58
deficiency of, 66, 67
in desert varnish, 186-187
distribution, 59
in duripans, 39
in groundwater, 18
organic acid formation from, 68
origin, 58-59
Iron oxides, 57
in duripan horizon, 39