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INDEX I-13<br />

Static systems, 44, 44f<br />

Stationary sources, air pollution and, 463<br />

Steady state systems, 45–46<br />

Stevens, General Isaac I., 259<br />

Stone, Christopher D, 560<br />

Stone decay, acid rain and, 471<br />

Storm King Mountain c<strong>as</strong>e, 563, 563f<br />

Stratosphere, 434–435<br />

Stratospheric ozone layer, 435<br />

Streams<br />

cl<strong>as</strong>sification of, 372, 372f<br />

ecosystem conditions and, 421<br />

restorations of, 174–176<br />

Strip-cutting, trees, 245<br />

Strip mining, 316–317, 316f, 317f<br />

Striped hare, 147<br />

Stromatolites, 109, 109f<br />

Sub-Saharan Africa, population growth rates<br />

and, 75<br />

Subsurface mining, 526<br />

Succession. See Ecological succession<br />

Sudbury, Ontario, 189–190, 190f<br />

Sugarcane fields, burning, 463f<br />

Sulfur dioxide, 465, 477–478, 488t<br />

Sulfurous smog, 473<br />

Superfund Amendment and Reauthorization<br />

Act (SARA), 540<br />

Superhybrids, 229<br />

Superweeds, 229<br />

Surface -water pollution<br />

sources and processes and, 401t<br />

Surface mines, 526<br />

Surface Mining Control and Reclamation Act,<br />

319<br />

Surface water<br />

flow system and, 372, 372f<br />

groundwater interactions and, 372–373,<br />

373f<br />

Surface-water pollution<br />

nanotechnology and, 411<br />

nonpoint sources and, 410<br />

point sources and, 410, 410f<br />

reduction of, 410–411<br />

urban-water naturalization and, 411, 411f<br />

Surge flow, 231<br />

Sustainable energy development, 298<br />

Sustainable-energy policy, 297–299<br />

Sustainable forestry, 246–247<br />

Sustainable global economy, 9<br />

Sustainable growth, 8–9<br />

Sustainable resource management, 546<br />

Sustainable water use, 384<br />

Sustainable yields, 260–262<br />

Sweetwater Marsh National Wildlife Refuge,<br />

California, 181<br />

Swine flu, 60–61, 61f<br />

Switzerland, Leibstadt, 349f<br />

Symbionts, 157–158<br />

Symbiosis, 157–158<br />

Synergism, 188<br />

Synergistic effect, 224, 464<br />

Synfuels, 321<br />

Syng<strong>as</strong>, 320<br />

Synthetic organic compounds, 193<br />

Syr Darya River, 232<br />

System responses<br />

lag time, 50<br />

linear and nonlinear flows, 50<br />

selected examples of, 50–52<br />

Systematic errors, 32<br />

Systems concepts<br />

average residence time, 46–48<br />

balance of nature, 46, 46f<br />

feedback, 48–50<br />

open systems, 44–45<br />

residence time, 46–48<br />

simple systems, 45, 45f<br />

static and dynamic systems, 44, 44f<br />

systems defined, 44<br />

T<br />

Tallgr<strong>as</strong>s prairie, 176–178<br />

Tampa, Florida, 383<br />

Tangible factors, 129<br />

Tanzania<br />

Lake Manyara National Park, 249<br />

population policy and, 75<br />

Tar Creek, Oklahoma, 316f, 409<br />

Tar sands, 322, 322f<br />

Tarifa, Spain, 326f<br />

Tax on emitters, carbon dioxide emissions<br />

and, 128<br />

Taxa, 147<br />

TD-50 values, 204, 204f<br />

Tectonic cycle, 113–114, 114f<br />

Temperate forest food web, 86f<br />

Temperature<br />

atmospheric, 434f, 435–436<br />

during p<strong>as</strong>t million years, 432, 433f<br />

Tenerife, Canary Islands, 331f<br />

Tennessee, Kingston Fossil Plant, 321<br />

Tennessee Valley Authority (TVA), 558–559,<br />

559f<br />

Terminator gene, 229<br />

Termolite, 199<br />

Terrestrial food web, 86<br />

Terrorism, 563–564<br />

Tex<strong>as</strong><br />

Arkans<strong>as</strong> National Wildlife Refuge, 263<br />

cypress swamp water in, 388f<br />

Dall<strong>as</strong>, 462<br />

Horse Hollow Wind Energy Center, 337<br />

Houston, 186–187<br />

Lubbock, 375<br />

Woodlands, 510, 511<br />

Thailand, Chao Phraya River, 232<br />

Thallium toxicity, 191<br />

Thames River, Great Britain, 410<br />

Therapeutic index, 204<br />

Thermal efficiency, 293<br />

Thermal pollution, 198–199, 198f<br />

Thermodynamic equilibrium, 108<br />

Thinning, trees, 245<br />

Thoreau, Henry David, 158, 252–253<br />

Threatened species, 271<br />

Three Gorges Dam, China, 390–391, 391f<br />

Three Mile Island nuclear power plant,<br />

Pennsylvania, 358–359<br />

Threshold effects, 204–205, 204f<br />

Threshold world population, 5<br />

Thresholds, global, 565–566, 566t<br />

Tiburón Island, Mexico, 153–154<br />

Tidal power, 335–336, 335f<br />

Tigris and Euphrates river system, 176, 177f<br />

Timber harvest, soil erosion and, 54, 54f<br />

Timber investment management organizations,<br />

238<br />

Time, economic value and, 135–136, 135f<br />

Time series, 263–264<br />

Times Beach, Missouri, 195, 195f<br />

Tobacco smoke, 490<br />

Tolerance, 205<br />

Total catch quot<strong>as</strong>, 139<br />

Total fertility rate, 63t<br />

Total suspended particulates, 467<br />

Toxic heavy metals, 191<br />

Toxic pathways, 191–193, 191f, 192f<br />

Toxic Substances Control Act, 138<br />

Toxicology, 188<br />

Toxins, 188<br />

Trade winds, 436<br />

Tradescantia, 150, 150f<br />

Tragedy of the commons, 130<br />

Trans-Al<strong>as</strong>ka Pipeline, 312, 408<br />

Transfer efficiency, 94–95<br />

Transform fault boundary, 114<br />

Transport, water, 378–379<br />

Transportation, coal, 319–320<br />

Transuranic w<strong>as</strong>te, 361, 361f<br />

Trapper Mine, Colorado, 318, 318f<br />

Traps, oil and g<strong>as</strong>, 306, 306f<br />

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

Trees. See also Forests<br />

clear cutting and, 245, 246f<br />

codominants, 245<br />

dominants, 245<br />

growth of, 243–244, 244f<br />

harvesting of, 245, 245t<br />

home cooling and, 512, 512f<br />

intermediates, 245<br />

niches, 243, 243f<br />

seed-tree cutting, 245<br />

selective cutting of, 245<br />

shelterwood cutting, 245<br />

strip-cutting, 245<br />

suppressed, 245<br />

thinning of, 245<br />

tree rings, 31, 31f, 439, 439f<br />

in urban environments, 512–513<br />

Trophic level, food web, 84<br />

Trophic-level efficiency, 95<br />

Tropical rain forests, 248, 248f, 254<br />

Tropopause, 434<br />

Troposphere, 434–435<br />

Tucson, Arizona, 513, 513f<br />

Tuna catch, 267, 267f<br />

Tuna nets, 269<br />

Tuvalu, 452f<br />

U<br />

Ultrafine particles, air pollution and, 467<br />

Ultraviolet (UV) Index, 485, 486t<br />

Ultraviolet radiation, ozone and, 481–482,<br />

481f, 482f<br />

Ulysses, Kans<strong>as</strong>, 375<br />

Uncertainty in science, 31–32<br />

Underground mines, 319, 526<br />

Undernourishment, 212–213, 212f, 216,<br />

217f<br />

Underweight children, 7f<br />

Uniformitarianism, 54–55, 450

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