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I-12 INDEX<br />

Resource Conservation and Recovery Act, 399,<br />

535, 539–540<br />

Resource recovery, hazardous w<strong>as</strong>te and, 542<br />

Resource sustainability, 8<br />

Respiration, 93<br />

Responding variables, 27<br />

Rest m<strong>as</strong>s, 351<br />

Restoration, ecological. See Ecological<br />

restoration<br />

Restoration, soils, 222–224<br />

Reuse, w<strong>as</strong>te management and, 530–531<br />

Rewilding, 561<br />

Rice, 218f, 229<br />

Rice superstrains, 228, 228f<br />

Richardson, Curtis, 176<br />

Rio de Janeiro, Brazil, 533f<br />

Rio <strong>Earth</strong> Summit on Sustainable<br />

Development, 14, 564<br />

Riparian vegetation, 421<br />

Risk <strong>as</strong>sessment, 205–206<br />

Risk-benefit analysis, 136–138, 137t<br />

River floodplain environment, 174–175, 174f<br />

River flow changes, global warming and, 451<br />

River restorations, 174–176<br />

River Severn, England, 404f, 539, 539f<br />

River water, heating, 198<br />

Rivers, cities and, 511<br />

Rock cycle, 116, 116f<br />

Rockport, W<strong>as</strong>hington, 409f<br />

Rome, Italy, 71, 71f<br />

Roof runoff, 411, 411f<br />

Roosevelt, Franklin D., 558<br />

Rotation time, forests and, 244<br />

Rowland, F. Sherwood, 483<br />

Rule of climatic similarity, 161–162, 162f<br />

Runoff patterns, 375<br />

Russia, Moscow, 472<br />

S<br />

Sacramento River, 269, 270f<br />

Saguaro cactus, 162–163, 163f<br />

Sahara Desert, Algeria, 311f<br />

St. Louis, Missouri, 42–43, 42f<br />

Salmonella, 190<br />

San Andre<strong>as</strong> Fault, California, 114<br />

San Francisco, California, 15, 15f, 389, 389f<br />

Sandy River Dam, W<strong>as</strong>hington, 392<br />

Sanitary landfills<br />

federal legislation for, 535–536<br />

leachate and, 533–534<br />

monitoring pollution and, 534<br />

multiple-barrier approach and, 535,<br />

536f<br />

pollutants entering environment from,<br />

534–535, 536f<br />

reducing w<strong>as</strong>te and, 536–537, 537t<br />

site selection and, 534<br />

Santa Barbara, California, 105–106,<br />

105f–106f, 172, 178–179, 178f, 384,<br />

385f, 411f<br />

Santa Cruz Island, California, 179, 179f<br />

Saturation (Michaelis-Menton) curve, 51, 52f<br />

Scallops harvest, 267<br />

Scarcity, economic value and, 133<br />

Scenic Hudson, 400<br />

Schrödinger, Erwin, 91<br />

Schwarzenegger, Arnold, 270<br />

<strong>Science</strong><br />

decision making and, 34<br />

objectivity and, 35<br />

scientific proof, 27–29<br />

scientific theory, 29<br />

technology and, 34<br />

values and, 13–16<br />

Scientific method, 24, 26f, 27t, 37<br />

Scrubbing, 320, 478, 478f<br />

Sea ice, global warming and, 452–455<br />

Sea level, global warming and, 452, 452f<br />

Sea lions, 270<br />

Sea otters, 81–82, 81f–82f, 276<br />

Sea urchins, 81–82, 81f–82f<br />

Seafloor spreading, 114<br />

Second-growth forest, 244<br />

Second-law efficiency, energy, 290–293, 291t<br />

Second law of thermodynamics, 92–93, 290<br />

Secondary production, 93<br />

Secondary succession, 95–96<br />

Secondary treatment, w<strong>as</strong>tewater, 415–417<br />

Secondhand smoke, 490<br />

Secure landfill, hazardous w<strong>as</strong>te and, 540–542<br />

Sediment pollution, 408<br />

Sediment samples, climate study and,<br />

439–440, 439f<br />

Sedimentary processes, 524<br />

Sedimentary rocks, 116<br />

Seed-tree cutting, 245<br />

Seeger, Pete, 400<br />

Selective cutting, trees, 245<br />

Sengwa National Park, Zimbawe, 250<br />

September 11 attacks, 468, 563<br />

Septic-tank disposal systems, 415, 415f<br />

Serra Geral do Tocantins Ecologocial Station,<br />

147<br />

Settling chambers, 477<br />

Severe acute respiratory syndrome (SARS), 60<br />

Sewage drainage fields, 415, 415f<br />

Sewage treatment process diagram, 416f<br />

Sex pheromones, 227<br />

Sex reversal, frogs and, 196–197, 197f<br />

Shallow earth, low-density geothermal energy,<br />

340<br />

Shark Bay, Australia, 109f<br />

Shelterwood cutting, 245<br />

Sick building syndrome, 491<br />

Sierra Club, 560, 562<br />

Silent Spring (Carson), 5<br />

Silviculture, 238<br />

Simple ecosystem, 84–85<br />

Simple systems, 45, 45f<br />

Simplified stratospheric chlorine chemistry,<br />

483–484<br />

Singapore, population policy and, 75<br />

Single-species wildlife management, 260–262<br />

Single-stream recycling, 531<br />

Sink, biogeochemical cycle and, 112<br />

Site quality, forests, 245<br />

Small-grain production, 218, 219f<br />

Smelting, 134, 189–190, 190f<br />

Smithsonian Institution, 263<br />

Smog, 473–476<br />

Soil<br />

in cities, 510<br />

coarse-grained soils, 221–222<br />

cross section of, 12f<br />

decomposition and, 221<br />

erosion and, 73<br />

fertility and, 221<br />

fertilizers and, 222–223<br />

horizons and, 221, 222f<br />

limiting factors and, 223–224<br />

nitrogen and soil development, 99, 99f<br />

phosphorous and soil development, 99, 99f<br />

rainfall and, 2–4<br />

restoration of, 222–224<br />

timber harvest and, 54, 54f<br />

toxicity and air pollution, 464<br />

Solar collectors, 329–330, 330f<br />

Solar cycles, climate change and, 446<br />

Solar energy<br />

active solar energy, 329–331<br />

cities and, 509<br />

environment and, 332<br />

p<strong>as</strong>sive solar energy systems, 328–329,<br />

329f<br />

photovoltaics, 330–331, 330f, 331f<br />

solar collectors, 329–330, 330f<br />

solar thermal generators, 331–332, 331f,<br />

332f<br />

Solar One, 332<br />

Solar radiation, vegetation and, 242f<br />

Solar system, atmospheres and, 106–110, 107f<br />

Solid-w<strong>as</strong>te management. See Municipal solidw<strong>as</strong>te<br />

management<br />

Somalia, political disruption and starvation, 7f<br />

Sounds levels, 200t<br />

Source reduction, hazardous w<strong>as</strong>te and, 542<br />

Source rock, 306<br />

South Africa<br />

Kimberley, 524f<br />

phosphorous reserves and, 123<br />

South America, contraceptive devices and, 75<br />

South Asia, population growth rates and, 75<br />

South Dakota, Custer State Park, 178f<br />

Soviet Union, Chernobyl nuclear power plant,<br />

357, 359–360, 360f<br />

Sowbread, 272f<br />

Soybeans, 218f<br />

Spain<br />

Coto Doñana National Park, 251, 251f<br />

Granada, 508, 508f<br />

Tarifa, 326f<br />

Spatial relationships, endangered species and,<br />

281<br />

Species<br />

biological diversity and, 145–146<br />

evenness and, 146–147, 147f<br />

numbers of on earth, 147–149, 148f<br />

overabundance and, 270<br />

population dynamics and, 62<br />

Species richness, 146–147, 147f<br />

Spent fuel, 353<br />

Sperm whales, 278f<br />

Spindle-horned oryx, 147<br />

Spring fires, tallgr<strong>as</strong>s prairies and, 177–178<br />

Squirrel, American gray, 154–155, 155f<br />

Sri Lanka<br />

malaria and, 152<br />

population growth rates and, 75<br />

population policy and, 75<br />

Stack effect, 490<br />

Starvation, 216, 217f

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