SUBJECT INDEX
579
Quartz, 47, 50
Quechans, 493
R
Rabbit, 515, 522
Rabbit bush, 91
Raccoon, 510
Radioactive debris, in soils, 71
Raincrusts, 172
Rainfall, see Precipitation
Rajasthan Desert, see Thar Desert
Rajputana Desert, see Thar Desert
Raven, 540
Razorback sucker, 437, 439
Rbia, 128
Rectal lumen, résorption of water from,
332-336
Red River pupfish, 402
Red Sea Hills, 348
Red shiner, 406, 416, 453
Red velvet mite, 312
water vapor absorption in, 344
Reg, 79, 123, 125-126
vegetation of, 151, 153
Regosols, 33, 37, 47
Reguibat Shield, 108
Reproduction
in fishes, 454-461
in fungi, 201
Reptiles, 514
burrows of, 157
of Sonoran Desert, 507, 511
Resins, in soils, 67
Respiratory system
in fishes, 407
in insects, 316, 324-328
Rhinoceros, skeletons of, 110
Ringtail, 504
Rio Conception, 508
Rio Grande killifish, 406
Rio Grande mountain-sucker, 456
Rio Magdalena, 508
Rio San Miguel, 508
Rivers, 387-393
aquifer recharge and, 13
of Sonoran Desert, 501
underground, 2
River sturgeons, 437
Roadrunner, 32
Rock(s), 533-534
sedimentary, saline soils and, 275
weathering of
algae and, 186
lichens in, 196
Rockland, 48
Rock tank, 501, 502, 507
Rodents, 504, 514, 515
burrows of, 157
Rod shrubs, 267
Roots, 140-142
climate and plant density and, 217
saline soils and, 290-291, 292
in salt concentration regulation, 301
of succulents, 270, 271
Rotenone, longfin dace eggs and, 465
Roundtail chub, 466
S
Sacaton, 519
Sage, 515
Sagebrush, 90, 91, 233, 266
Saguaro cactus, 500, 506, 509, 515
Sahara Desert, 13, 20, 104, 391
algae of, 173
boundaries, 104-106, 107
climate, 104, 109-123, 224, 225
fungi of, 199-200
geologic history, 107-110
insects of, 312, 320, 357-358
isopods of, 353-354
lichens of, 134, 188, 191
microorganisms of, 71, 72, 73
relief, 107-109, 120, 123-127
siliceous crusts of, 57
soils of, 78-79, 110, 155-156, 275
vegetation of, 125, 126-127, 128,
133-149, 150
groups, 149-155
microclimates and, 156-157
soils and, 155-156
water in, 127-133
Sailfin molly, 453
Salic horizon, 38, 42, 43
Salinity
effects on fishes, 421-427
delayed hatching, 464
distribution, 444
morphology, 462-463
579
Quartz, 47, 50
Quechans, 493
R
Rabbit, 515, 522
Rabbit bush, 91
Raccoon, 510
Radioactive debris, in soils, 71
Raincrusts, 172
Rainfall, see Precipitation
Rajasthan Desert, see Thar Desert
Rajputana Desert, see Thar Desert
Raven, 540
Razorback sucker, 437, 439
Rbia, 128
Rectal lumen, résorption of water from,
332-336
Red River pupfish, 402
Red Sea Hills, 348
Red shiner, 406, 416, 453
Red velvet mite, 312
water vapor absorption in, 344
Reg, 79, 123, 125-126
vegetation of, 151, 153
Regosols, 33, 37, 47
Reguibat Shield, 108
Reproduction
in fishes, 454-461
in fungi, 201
Reptiles, 514
burrows of, 157
of Sonoran Desert, 507, 511
Resins, in soils, 67
Respiratory system
in fishes, 407
in insects, 316, 324-328
Rhinoceros, skeletons of, 110
Ringtail, 504
Rio Conception, 508
Rio Grande killifish, 406
Rio Grande mountain-sucker, 456
Rio Magdalena, 508
Rio San Miguel, 508
Rivers, 387-393
aquifer recharge and, 13
of Sonoran Desert, 501
underground, 2
River sturgeons, 437
Roadrunner, 32
Rock(s), 533-534
sedimentary, saline soils and, 275
weathering of
algae and, 186
lichens in, 196
Rockland, 48
Rock tank, 501, 502, 507
Rodents, 504, 514, 515
burrows of, 157
Rod shrubs, 267
Roots, 140-142
climate and plant density and, 217
saline soils and, 290-291, 292
in salt concentration regulation, 301
of succulents, 270, 271
Rotenone, longfin dace eggs and, 465
Roundtail chub, 466
S
Sacaton, 519
Sage, 515
Sagebrush, 90, 91, 233, 266
Saguaro cactus, 500, 506, 509, 515
Sahara Desert, 13, 20, 104, 391
algae of, 173
boundaries, 104-106, 107
climate, 104, 109-123, 224, 225
fungi of, 199-200
geologic history, 107-110
insects of, 312, 320, 357-358
isopods of, 353-354
lichens of, 134, 188, 191
microorganisms of, 71, 72, 73
relief, 107-109, 120, 123-127
siliceous crusts of, 57
soils of, 78-79, 110, 155-156, 275
vegetation of, 125, 126-127, 128,
133-149, 150
groups, 149-155
microclimates and, 156-157
soils and, 155-156
water in, 127-133
Sailfin molly, 453
Salic horizon, 38, 42, 43
Salinity
effects on fishes, 421-427
delayed hatching, 464
distribution, 444
morphology, 462-463