SUBJECT INDEX 



851 



Response time, to ecosystem 



stress, 105 

 Rheotanytarus sp., effect of 



multistressors on, 753, 762 

 Rhithrogena sp., effect of coal- 

 mine drainage on, 180 

 Rhizosolenia fragillissima, effects 



of thermal effluents and chlorine 



on, 397 

 Rhodomonas spp., effects of 



thermal effluents and chlorine 



on, 397 

 River shrimp (see Macrobrachium 



ohione) 

 Roperia poulsoni, effect of 



thermal effluents on, 546 

 Rotifers 



effect of acid mine drainage on, 

 188 



effect of thermal effluents on, 

 627 



Sail fin moUie (see Poecilia 



latipinna) 

 Salmo gairdneri, effect of coal- and 



fly-ash leachate on development 



of eggs of, 221 

 Salmo trutta, effect of habitat 



quality on survival of, 771 

 Savannah River Plant, thermal 



studies, 342, 498, 663 

 Scomber scombnis, exponential 



model of larval mortality of, 51 

 Sea anemone (see Anthopleura 



elegantissima) 

 Sea catfish (see Arius felis) 



Sea urchin (see Strongylocentrotus 



S'jlenium, effect of, leached from 



coal and fly ash on fish and 



amphibian egg development, 224 

 Serum protein electrophoresis, 



response patterns of alligator 



to stress, 691 

 Sewage discharge 



effect on macroinvertebrate 

 communities, 748 



model of effect on microcosms 

 from, 19 

 Sex ratios, as affected by thermal 



stress in mosquitofish, 498 



Sharptail goby (see Gobionellus 



hastatus) 

 Sheepshead minnow (see 

 Cyprinodon variegatus) 

 Shiners (see Notropis cornutus) 

 Silver, effects of, leached from coal 

 and fly ash on fish and amphibian 

 egg development, 219 

 Silversides (see Membras martinica; 



Menidia beryllina) 

 Similarity (see Community 



similarity) 

 Skeletonema costatum, effect of 

 thermal effluents and chlorine 

 on, 397 

 Snail [see Gastropoda) 

 Sodium arsenate (see Arsenic) 

 Sodium hypochlorzite, as a 



biocide, 794 

 Spadefish, Atlantic (see 

 Chaetodipterus faber) 

 Spartina alterniflora, growth of, 



after thermal stress, 420 

 Spawning {see Reproduction) 

 Species diversity 

 of benthic macroinvertebrates, 

 151, 178, 569, 594, 752, 771 

 diversity— stability models in 



relation to, 6, 107 

 effect of acid mine drainage on, 



197 

 effect of fluctuating stream flow 

 and water levels on, of chirono- 

 mids, 151 

 effect of low- and high-quality 



stressors in ecosystems on, 62 

 effects on ecosystem stability, 



102 

 of meiofauna in polluted 



streams, 197 

 of phytoplankton communities, 



597 

 of zooplankton communities, 

 316 

 Spirodela oligorrhiza, growth of, 

 in fluctuating and constant 

 temperatures, 410 

 Stability 

 discussion of, 102 

 effect of nutrient availability on, 



102 

 effect of species diversity on, 102 



