Table Of Content

SUBJECT INDEX ACCELERATED FLOW Sulphur and Oxygen Isotopes Behaviour in Sul- Intensive 1-Month Investigation of Trace Metal Convective Accelerations and Boundary Shear phates of Atmospheric Groundwater System Deposition and Throughfall at a Mountain Stress Over a Channel Bar. Observations and Model. Spruce Forest. W91-11732 2E W91-11660 5B W91-12292 5B ACE LAKE Short-Term Trends and Spatial Variability in Acidic Snowmelt Event in a New Jersey Methane Production in Meromictic Ace Lake, Precipitation Chemistry in the South Coast Air Stream: Evidence of Effects on an Indigenous Antarctica. Basin. Trout Population. W91-12109 2H W91-11829 5B W91-12293 5C ACETYLCHOLINE Programs and Analytical Methods for the U.S. Stochastic Analysis of Acid Shocks Generated Brain AChE Activity Studies in Some Fish Spe- Geological Survey Acid Rain Quality-Assurance by Mixed Hydrological Processes. cies Collected from a Mercury Contaminated Project. W91-12294 2E Estuary. W91-11856 7B W91-12298 5C Consequences of pH Measurement Errors. Preliminary Report on the Hydrogeology of W91-12310 7B ACETYLCHOLINESTERASE Lake Five-O and Vicinity. Brain Acetylcholinesterase as an In Vitro Detec- W91-11920 2H Emerald Lake Watershed Study: Introduction tor of Organophosphorus and Carbamate Insec- and Site Description. ticides in Water. Use of the RAINS Model in Acid Rain Negotia- W91-12329 5B W91-12914 5A tions in Europe. W91-11962 5G Precipitation Chemistry in and Ionic Loading to ACHERON RIVER an Alpine Basin, Sierra Nevada. Longitudinal Variation in Recolonization Rates Physical Factors Influencing Winter Precipita- W91-12332 2B of Macroinvertebrates Along an Upland River in tion Chemistry. South-Eastern Australia. W91-11968 2B Solute Chemistry of Snowmelt and Runoff in an W91-12312 2E Alpine Basin, Sierra Nevada. Low-Intensity Radiolysis Study of Free-Radical W91-12333 5B ACID LAKES Reactions in Cloudwater: H202 Production and Metal Concentrations in Crayfish Tissues in Re- Destruction. Chemical Composition of Precipitation Collect- lation to Lake pH and Metal Concentrations in W91-11969 2B ed on a Weathership on the North Atlantic. Water and Sediments. W91-12540 2K W91-12260 5B STEM-II Acid Deposition and Photochemical Oxidant Model: II. A Diagnostic Analysis of Seasonal Variations in the Concentration of Be- Comparative Study of Cadmium and Lead Ac- Mesoscale Acid Deposition. 10, Ci(-), NO3(-), SO4(2-), H202, Pb-210, H-3, cumulations in Cambarus bartoni (Fab.) (Decap- W91-11988 5B Mineral Dust, and delta O-18 in Greenland oLdaak,e . Crustacea) from an Acidic and a Neutral Lagrangian Backward Trajectory Model and Its SWn9o1w-.1 2541 5A W91-12436 5B Application to the Study of Acid Rain in the Emei Mountainous District. Spatial and Temporal Variability of Rime Ice Limnochemical Studies at Small Black Forest W91-11989 5B and Snow Chemistry at Five Sites in California. Lakes (FRG) with Special Emphasis to Acidifi- W91-12542 5A cation. Acidification-Related Changes in the Biogeoche- W91-12682 2H mistry and Ecotoxicology of Mercury, Cadmi- Estimating Cloud Water Deposition to Subal- um, Lead and Aluminum: Overview. pine Spruce-Fir Forests: I. Modifications to an Regulatory Mechanisms and Behaviour of W91-12027 5C Existing Model. Copper in an Incustrially-Polluted Acidic Lake W91-12543 2B in Northern Italy. Mercury Methylation in Aquatic Systems Af- W91-12731 5B fected by Acid Deposition. Estimating Cloud Water Deposition to Subal- W91-12029 5B pine Spruce-Fir Forests: II. Model Testing. Breakdown Rates of Alder (Alnus glutinosa) Leaves in an Acid Lake (Lake Orta, North Acidification, Metals and Macrophytes. W91-12544 2B Italy). W91-12030 5B Sulphur Inputs from Rainfall Throughout New W91-12732 5G Effect of Acidification on the Accumulation and Zealand. Mass Budget as a Tool for Predicting the Re- Toxicity of Metals to Freshwater Invertebrates. W91-12552 5B sponse to Liming of the Acidified, Ammonium W91-12031 5C Scaled Chrysophytes as Indicators of Lake Polluted Lake Orta. W91-12733 5G pEhfifbeicatnss .o f Aluminum and Other Metals on Am- AWc9i1d-i1f2ic6a8t1i on in West Germany. 2H Microbiology and Chemistry of Acid Lakes in W91-12033 x Limnochemical Studies at Small Black Forest Florida: I. Effects of Drought and Post-Drought Conditions. Effects of Acidification on the Availability of Lakes (FRG) with Special Emphasis to Acidifi- cation. W91-12888 5C Toxic Metals and Calcium to Wild Birds and Mammals. W91-12682 2H Microbiology and Chemistry of Acid Lakes in W91-12034 5C Mass Budget as a Tool for Predicting the Re- Florida: II. Seasonal Relationships. W91-12889 sc New Clean Air Act. sponse to Liming of the Acidified, Ammonium W91-i12076 5G Polluted Lake Orta. ACID MINE DRAINAGE W91-12733 5G Early Diagenesis of Sulfur in the Sediments of Regional Characteristics of Land Use in North- Lakes that Receive Acid Mine Drainage. east and Southern Blue Ridge Province: Asso- Surface Water Acidification: A Comparison of W91-12134 5B ciations with Acid Rain Effects on Surface- Methods for pH Determination in Weakly Buf- Water Chemistry. fered Natural Waters. Effect of Coal Mine Waters of Variable pH on W91-12120 5B W91-12775 7B Springwater Quality: A Case Study. W91-12466 5B Survival of Introduced Smallmouth Bass in Major Ionic Composition in the Spanish Reser- Low-pH Lakes. voirs. ACID MINE WATER W91-12184 5C W91-12799 2H Chemical Composition of Ochreous Precipitates from Ohio Coal Mine Drainage. Glacial Ice Composition: A Potential Long- Microbiology and Chemistry of Acid Lakes in W91-12006 5B Term Record of the Chemistry of Atmospheric Florida: I. Effects of Drought and Post-Drought Deposition, Wind River Range, Wyoming. Conditions. ACID RAIN W91-12237 2C W91-12888 5C Acid Sensitivity and Water Chemistry Corre- lates of Amphibian Breeding Ponds in Northern SO2 Oxidation in a Rainband: Effects of In- Microbiology and Chemistry of Acid Lakes in Wisconsin, USA. Cloud H202 Production. Florida: II. Seasonal Relationships. W91-11633 5C W91-12252 5B W91-12889 5C SUBJECT INDEX ACID RAIN Scavenging of Two Different Types of Marine Changes in Structure and Composition of an Chemical Character and Origin of Organic Aerosol Particles Calculated Using a Two-Di- Assemblage of Hydroporus Species (Coleoptera: Acids in Streams and Seepage Lakes of Central mensional Detailed Cloud Model. Dytiscidae) Along a pH Gradient. Maine. W91-12903 2B W91-12314 2E W91-12275 2H ACID RAIN EFFECTS Emerald Lake Watershed Study: Introduction Stochastic Analysis of Acid Shocks Generated Response of Macroinvertebrates to Low pH and and Site Description. by Mixed Hydrological Processes. Increased Aluminium Concentrations in Welsh W91-12329 5B W91-12294 2E Streams: Multiple Episodes and Chronic Expo- sure. Effect of Sulfate Ions on Growth and the Effi- Investigation of a New Approach to Predict W91-11620 xc cSiceennceyd eonfs mPruism aqruya dPrhioctaousdyan thCeutlitcur eR e(aicnt iRounsss iainn) .a WChaetmeirc aQlu alDiettye rmEixntarnedmse s inw iStthr eaam CWaastee r.S tudy of Acid Sensitivity and Water Chemistry Corre- W91-12376 5C W291-12572 5B lates of Amphibian Breeding Ponds in Northern Wisconsin, USA. Formation and Evolution of Soils from an Acidi- Scaled Chrysophytes as Indicators of Lake W91-11633 5C fWi9e1d -1W2a8t1er6s hed: Plastic Lake, Ontario, Canada5.C Acidification in West Germany. W91-12681 2H Biological Processes in Two Beech Forest Soils ACID SLUDGE Treated with Simulated Acid Rain: A Laborato- Heavy Metals and Nutrients Uptake by Plants as Limnochemical Studies at Small Black Forest ry Experiment with Isotoma tigrina (Insecta, Affected by the Application of Acid Sludge on Lakes (FRG) with Special Emphasis to Acidifi- Collembola). an Egyptian Sandy Soil. cation. W91-11662 5C W91-12534 SE W91-12682 2H Modeling the Hydrogeochemical Response of a ACID STREAMS Mass Budget as a Tool for Predicting the Re- Stream to Acid Deposition Using the Enhanced Life History and Distribution of Mayflies (Ephe- sponse to Liming of the Acidified, Ammonium Trickle-Down Model. meroptera) in Some Acid Streams in South Cen- Polluted Lake Orta. W91-11758 5B tral Ontario, Canada. W91-12733 5G Preliminary Report on the Hydrogeology of W91-12259 2H Surface Water Acidification: A Comparison of Lake Five-O and Vicinity. Stochastic Analysis of Acid Shocks Generated Methods for pH Determination in Weakly Buf- W91-11920 2H by Mixed Hydrological Processes. fered Natural Waters. Transport and Prediction of Sulfate in Agricul- W91-12294 2E W91-12775 7B tural Runoff. ACIDIC SOILS Formation and Evolution of Soils from an Acidi- W91-12001 5B Spatial Variations of Sapwood Chemistry with fied Watershed: Plastic Lake, Ontario, Canada. Soil Acidity in Appalachian Forests. Effects of Acidification on the Geochemistry of W91-12008 5C W91-12816 3c AAl ,L iCtde,r atPubr ea nRd evHige w.in Freshwater Environments: ACIDIC WATER ACIDITY W91-12028 sc Hydrochemistry on the Yilgarn Block, Western Spatial Variations of Sapwood Chemistry with Australia: Ferrolysis and Mineralization in Soil Acidity in Appalachian Forests. Mercury Methylation in Aquatic Systems Af- Acidic Brines. W91-12008 5C fected by Acid Deposition. W91-12815 2K W91-12029 5B Chemical Character and Origin of Organic ACIDIFICATION Acids in Streams and Seepage Lakes of Central Acidification, Metals and Macrophytes. Response of Macroinvertebrates to Low pH and Maine. W91-12030 5B Increased Aluminium Concentrations in Welsh W91-12275 2H Streams: Multiple Episodes and Chronic Expo- Effect of Acidification on the Accumulation and sure. ACIDS Toxicity of Metals to Freshwater Invertebrates. W91-11620 5C Mixed Weak Acid/Base Systems, Part II: W91-12031 > Dosing Estimation, Aqueous Phase. Acid Sensitivity and Water Chemistry Corre- W91-11766 SF Metal Bioavailability and Toxicity to Fish in lates of Amphibian Breeding Ponds in Northern Low-Alkalinity Lakes: A Critical Review. Wisconsin, USA. ACTIVATED CARBON W91-12032 5C W91-11633 sc Non-Linear Stochastic Model for Adsorption in Batch Reactors. pEhfifbeicatnss .o f Aluminum and Other Metals on Am- Amcisitdriyf icaantdi onE-cRoetloaxtiedc olCohgayn geosf Mine rtchuer yB,i ogCeaodcmhie-- W91-12575 5D W91-12033 5C um, Lead and Aluminum: Overview. Adsorption Equilibrium Studies of Some Aque- W91-12027 & ous Aromatic Pollutants on Granular Activated TEfofxeicct s Meotfa lAsc idainfdi caCtiaolnc iuomn ttoh e WiAlvadi laBbiirldist y anodf Effects of Acidification on the Geochemistry of Carbon Samples. Mammals. Al, Cd, Pb and Hg in Freshwater Environments: W91-12899 5F W91-12034 sxc AW9 1L-it1e2r0a2t8ur e Review. 5C ACTIVATED SLUDGE Regional Characteristics of Land Use in North- Effect of pH on Fungal Growth and Bulking in east and Southern Blue Ridge Province: Asso- Acidification, Metals and Macrophytes. Laboratory-Activated Sludges. ciations with Acid Rain Effects on Surface- W91-12030 5B W91-11764 5D Water Chemistry. Effect of Acidification on the Accumulation and Optimization of the Operation of the Oxidation W91-12120 5B Toxicity of Metals to Freshwater Invertebrates. Ditch Process Incorporating a Dynamic Model. Life History and Distribution of Mayflies (Ephe- W91-12031 sc W91-12596 5D mtrearl oOpnttearrai)o , inC aSnoamdea . Acid Streams in South Cen- pEhfifbeicatnss .o f Aluminum and Other Metals on Am- ACTIVATED SLUDGE PROCESS W91-12259 2H W91-12033 5¢ Effects of Oxygen Transport Limitation on Ni- trification in the Activated Sludge Process. Metal Concentrations in Crayfish Tissues in Re- Effects of Acidification on the Availability of W91-11757 5D lation to Lake pH and Metal Concentrations in Toxic Metals and Calcium to Wild Birds and Water and Sediments. Mammals. Biological Phosphorus Removal in a Fed-Batch W91-12260 5B W91-12034 sc Reactor without Anoxic Mixing Sequences. W91-11761 5D Acidic Snowmelt Event in a New Jersey Metal Concentrations in Crayfish Tissues in Re- Stream: Evidence of Effects on an Indigenous lation to Lake pH and Metal Concentrations in Fate of Water Soluble Azo Dyes in the Activat- Trout Population. Water and Sediments. ed Sludge Process. W91-12293 5C W91-12260 5B W91-12142 5D $U-2 SUBJECT INDEX AGRICULTURAL PRACTICES State and Coefficients Estimation for the Acti- Simultaneous Transport of Parent and Daughter Biodegradation Kinetics of Chlorinated Aliphat- vated Sludge Process Using a Modified Kalman Compounds in Aquifers with Linear First-Order ic Hydrocarbons with Methane Oxidizing Bacte- Filter Algorithm. Sorption Kinetics. ria in an Aerobic Fixed Biofilm Reactor. W91-12597 5D W91-12556 5B W91-12918 5D Stochastic Control of the Activated Sludge ADVANCED WASTEWATER TREATMENT AEROMONAS Process. Next Generation of Computerized Process Con- Survival of Aeromonas salmonicida in Lake W91-12598 5D trol. Water. Use of Protozoa to Indicate Changes in the W91-12074 5D W91-12014 2H Performance of Activated Sludge Plants. ADVECTION AEROSOLS W91-12848 5D Intratidal Variability of Living and Detrital Scavenging of Two Different Types of Marine Synchronized Division of Activated Sludge Seston Components in the Inner Part of the Aerosol Particles Calculated Using a Two-Di- Microorganisms. Weser Estuary: Vertical Exchange and Advec- mensional Detailed Cloud Model. W91-12911 5D tive Transport. W91-12903 2B W91-11616 2L Density of Activated Sludge Solids. AFRICA W91-12915 5D Two-Dimensional Modeling of Advection- Inland Salt Waters of Southern Africa. Dominated Solute Transport in Groundwater by W91-12103 2H ADMINISTRATIVE AGENICES the Matched Artificial Dispersivity Method. Comparative Performance of Institutional Ar- W91-11740 5B AGRICULTURAL CHEMICALS rangements for Groundwater Resources. Persistent Organochlorine and Current Use In- W91-11877 6E AERATION secticide Concentrations in Major Watershed Temperature-Controlled, Aerated Static-Pile Components of Moon Lake, Mississippi, USA. ADEMPIAN IESvTalRuAatTiInVg EB ypRrEoGdUucLtA TRuIlOe.N S CWo9m1p-o1s1t8i2n0g of Slaughterhouse Waste Solids. 5D W91-11619 5B W91-11991 5G Reconnaissance of the Occurrence of Agricul- Reaction of Phytoplankton Community on Hy- ADRIATIC SEA polimnic Aeration. tural Chemicals in Ground Water in Haywood, Pthheo sDprhaoirnuasg e LoAardesa offr otmh e SNeolretctheedr n WaAtderirasthiecd sS eai.n W91-12702 5G sLeaek. e and Obion, and Shelby Counties, Tennes- W91-12004 5B AERATION ZONE W91-11866 5B Three-Dimensional Field Study of Solute Trans- Contamination of Dateshell (Lithophaga litho- Monitoring Groundwater and Well Water for phaga) from the Eastern Coast of the Adriatic port Through Unsaturated, Layered, Porous Crop Protection Chemicals. Media. I. Methodology, Mass Recovery, and Sea by Polycyclic Aromatic Hydrocarbons. W91-12536 5A Mean Transport. W91-12160 5B W91-11746 2G Seasonal Fluctuations of Organochlorine Resi- ADSORPTION dues in the Portuguese Oyster, Crassostrea angu- WRe9g1e-n1e1r8a7t5i on Properties of Spent Tailored Soi5lsG. TpMoehrdrtie ae.-T DhiIrmIo.e unCgshhiao rnaacUltn esraFitizuearltadit oeSndt ,u dofy LaVoeyfre trSieocdlau,lt e DPTiorsraponeusrs-- Wla9t1a,- 1f2r5o4m 5 the Sado Estuary. 5B Sorption of Nonpolar and Polar Compounds to sion. Regional Water Flow and Pesticide Leaching Soils: Processes, Measurements and Experience W91-11747 2G Using Simulations with Spatially Distributed wGWiu9ti1hd- e1lt2ihn1ee4 6A p10p6l.i cability of the Modified OECD5-B tFhiee ldG roScuanldew aMtaesrs. Arrival of oe Solute into DWa9t1a-.1 2547 5B W91-12245 5B Effect of Kelthane on pH Dependency of Li- Trimethylphenyl -Smectite as an Ef- fective Adsorbent of Water Soluble Aromatic Hysteresis and State-Dependent Anisotropy in pases in Tissues of the Penaeid Prawn, Metapen- Hydrocarbons. Modeling Unsaturated Hillslope Hydrologic aeus monoceros (Fabricus) under Sublethal Ex- W91-12451 5E Processes. posure. W91-12326 2F W91-12553 5C Long-Term Effects of Soil Heterogeneity on Cadmium Behaviionu Soril . AEROBIC BACTERIA System Modeling Approach for Solute Trans- W91-12558 5B Biodegradation of Chlorinated Biphenyls (Fen- port Through Upper Soils. clor 42) in Batch Cultures with Mixed and Pure W91-12577 5B Non-Linear Stochastic Model for Adsorption in Aerobic Cultures. Batch Reactors. W91-12135 5D AGRICULTURAL PRACTICES W91-12575 5D Physical and Economic Benefits of Subsurface AEROBIC CONDITIONS Drainage by Soil Type in Eastern Ontario. Sorption and Release of Phosphorus in a Peaty Aerobic Decomposition of Settled Algae in a W91-11604 3F Sediment. Laboratory System: The Impact of Resuspen- W91-12665 2H sion on Microbial Activity. Hydrologic Impacts of Changing Land Manage- Modified Solution of Homogeneous Surface Dif- W91-12668 2H mCeanttc hmPernatc.ti ces in a Moderate-Sized Agricultural fusion Model for Adsorption. AEROBIC DIGESTION W91-11738 4C W91-12821 5D Aerobic and Anaerobic Soil Metabolism of Di- Protecting Iowa’s Common Wealth: Challenges iPnaer aPmeestteircsi defso r inP rtehdei cEtninvgi roFnantiee ntof. Or(IgIa)n oAcdhsloorrp-- cWa9m1b-a1.2 049 5B for the Leopold Center for Sustainable Agricul- ture. tion Constant to Soil. Synchronous Microaerobic and Aerobic Degra- W91-11748 3F W91-12832 5B dation of Ca-Lignosulfonate by an Immobilized Adsorption Equilibrium Studies of Some Aque- Mixed Culture System (Mikrobieller Abbau von Crop Sequences and Conservation Tillage to ous Aromatic Pollutants on Granular Activated Ligninsulfonaten unter Mikroaeroben Bedingun- Control Irrigation Furrow Erosion and Increase Carbon Samples. gen). Farmer Income. W91-12861 5D W91-11751 3F W91-12899 5F ADSORPTION KINETICS AEROBIC TREATMENT Management Effects of Crops and Crop Strip Regeneration Properties of Spent Tailored = Vinasses Biological Treatment by Anaerobic and Widths on Crop Yield and Conservation of Soil W91-11875 Aerobic Processes: Laboratory and Pilot-Plant and Moisture on a Limited-Resource Farm. Tests. W91-11753 4D Sorption of Chelating Agents (HEDP and NTA) W91-11778 5D onto Mineral Phases and Sediments in Aquatic Effect of Tillage and Residue Management on Model Systems. Part 1: Sorption onto Clay Min- Bacterial Leaching of Heavy Metals from Aero- Hydro-Thermal Regime, Nutrient Uptake and erals. bic Sludge. Yield of Wheat in a River Deposit. W91-12136 5B W91-11782 5D W91-12529 3F SUBJECT INDEX AGRICULTURAL RUNOFF AGRICULTURAL RUNOFF 8-Year Record of the Seasonal Variation of 2-H ALBUQUERQUE Persistent Organochlorine and Current Use In- and 18-O in Atmospheric Water Vapour and Construction, Lithologic, and Geophysical Data secticide Concentrations in Major Watershed Precipitation at Heidelberg, Germany. from Monitoring Wells in Albuquerque, Berna- Components of Moon Lake, Mississippi, USA. W91-12902 2K lillo County, New Mexico. W91-11619 5B W91-11862 2F AIR POLLUTION CONTROL Transport and Prediction of Sulfate in Agricul- Use of the RAINS Model in Acid Rain Negotia- ALDEHYDES tural Runoff. tions in Europe. Mutagenicity of the Components of Ozonated W91-12001 5B W91-11962 5G Humic Substance. Phosphorus Loads from Selected Watersheds in AIR POLLUTION EFFECTS W91-12150 5C the Drainage Area of the Northern Adriatic Sea. Regional Climate Change Impacts: I. Impacts on Mutagenicity of Ozonation and Chlorination W91-12004 5B Water Resources. Products from p-Hydroxybenzaldehyde. Reduction of Dissolved Oxygen Concentration W91-11795 5C W91-12151 5C iWn9 1W-i1s2c0o0n5s in Streams during Summer Runoff5.B oRne giWoantaelr MClainmaagtee meCnhta ngWoer ksI.m pacts: II. Impacts ALBDrEeRa kdToRwEnE S Rates of Alder (Alnus glutinosa) Longitudinal Distribution of Macroinvertebrates W91-11796 $C Leaves in an Acid Lake (Lake Orta, North Subject to Salinization. Italy). W91-12106 5C VOC Emissions and Associated Health Risks. W91-12732 5G W91-12077 5E Removal of Phosphorus and Nitrogen by Runoff Chemical Composition of Precipitation Collect- ALDICARB and Surface Drainage: Investigation of Their ed on a Weathership on the North Atlantic. Bacterial Transformations of Nitrate and Aldi- Contribution to the Eutrophication W91-12540 2K carb (TEMIK) in Anoxic Groundwaters of Phenomenon(Asportazione di Fosforo e Azoto Long Island. con le Acque di Deflusso e di Drenaggio Super- AIR POLLUTION SOURCES W91-12629 5B ficiali: Indagine sul loro Contributo al Fenomeno Analytical Method to Determine Henry’s Law dell’Eutrofizzazione). Constant for Selected Volatile Organic Com- ALGAE W91-12535 5B pounds at Concentrations and Temperatures Which Factors Controlled Seasonal and Spatial gDaecvietly opMmoednelt oafn dP esVtailciiddaet ioLne acohfi na g Mofdriofmi edF arFmu-- CWo9r1r-e1s2p4o5n2d ing to Tap Water Use. 5B WDSic9sh1tl-ra1icb1hu6tt1ein7osn e e (oBfe rliPnh, ytFo.pRl.Ga.n)k to1n98 7. Species 2Hin land. AIR STRIPPING W91-12870 SB Evaluating the Performance of Two Plastic Growth Rate of Four Freshwater Algae in Rela- AGRICULTURAL WATER Packings in a Crossflow Aeration Tower. tion to Light and Temperature. Irrigation of Wheat with Saline Drainage Water W91-12459 SF W91-11706 2H on a Sandy Loam Soil. AIR TEMPERATURE Toxicity of Copper to the Green Alga, Chlamy- W91-11603 3C Prediction of Water Temperatures in Chalk domonas reinhardtii (Chlorophyceae), as Affect- AGRICULTURAL WATERSHEDS Streams from Air Temperatures. ed by Humic Substances of Terrestrial and Economic Feasibility of Agricultural Manage- W91-12108 2H Freshwater Origin. ment Practices for Reducing Sedimentation in a W91-12017 5c Water Supply Lake. AIRCRAFT W91-11612 4D Modeling Case Study of Interaction between Portable Chamber for Measuring Algal Primary Heavy Precipitation and a Low-Level Jet over Production in Streams. Hydrologic Impacts of Changing Land Manage- Japan in the Baiu Season. W91-12094 7B ment Practices in a Moderate-Sized Agricultural W91-12892 2B Associations Between Lake Phytoplankton Catchment. W91-11738 4C ALABAMA Community and Growth Factors--A Canonical Water Resources Data for Alabama, Water Year Correlation Analysis. Baseflow and Stormflow Transport of Nutrients 1990. W91-12110 2H from Mixed Agricultural Watersheds. W91-12643 7C W91-12000 5B Variation in Nutrient Limitation of Lotic and ALASKA Lentic Algal Communities in a Texas (USA) Transport and Prediction of Sulfate in Agricul- Biophysical Surface Energy Budget Analysis of River. tural Runoff. Soil Temperature in the Boreal Forests of Interi- W91-12125 2E W91-12001 5B or Alaska. Phytoplanktonic Sources of Volatile Aldehydes W91-11731 2G Phosphorus Loads from Selected Watersheds in in the River Rhone Estuary. the Drainage Area of the Northern Adriatic Sea. Preliminary Forecast of the Advance of Hub- W91-12267 2H W91-12004 5B bard Glacier and Its Influence on Russell Fiord, IWn9v1e-s1t2ig3a5t8i on of Curve Number Procedure. 2B AWl9a1s-k1a1. 921 2c Mmwaeitncetrroosu.- sE nvAilrgoanlm eCnotmamlu nitChiaersa ctienr iFstliocwsi ngo f FrFeislha-- Locations Maps and List of U.S. Geological W91-12308 2E AIR POLLUTION Survey Reports on Water Resources in Alaska, Short-Term Trends and Spatial Variability in 1950 to 1990. Environmental Factors Influencing Chlorophyll Precipitation Chemistry in the South Coast Air W91-11942 10C v. Nutrient Relationships in Lakes. Basin. W91-12311 2H W91-11829 5B Snow Hydrology of a Headwater Arctic Basin: Environmental Pollution Research in South IW.9 1P-hy1s2i2c2a6l Measurements and Process Studie2s.C tPhhey toWpaltaenrkst ono f aLnadk e ChJeamcikc alL onCdoomnp os(iMtiaogna danof America. Province) (in Russian). W91-11961 5G Snow Hydrology of a Headwater Arctic Basin: W91-12374 2H II. Conceptual Analysis and Computer Model- Trace Element Contamination of Soils in the ing. Effect of Sulfate Ions on Growth and the Effi- IWn9d1i-a1na2 00Du9n es. 5B W91-12227 2C ciency of Primary Photosynthetic Reactions in a Scenedensmus quadricauda Culture (in Russian). New Clean Air Act. Environmental Effects on CO2 Efflux from W91-12376 xe W91-12076 5G Water Track and Tussock Tundra in Arctic Alaska, U.S.A. Non-Steady State Dynamics of Algal Population VOC Emissions and Associated Health Risks. W91-12539 2H Growth: Experiments with Two Chlorophytes. W91-12077 SE W91-12423 2H Effect of Prudhoe Bay Crude Oil on the Homing Environmental Measures in Sewage Works. of Coho Salmon in Marine Waters. Ammonium Stimulation of Dark Carbon Fixa- W91-12080 5G W91-12829 5C tion as an Indicator of Nitrogen Deficiency in su-4 SUBJECT INDEX ALLUVIAL CHANNELS Phytoplankton: Potential Errors Caused by Am- Vertical Migration of a Flagellate-Dominated duction Under Consideration of Vertical Mixing monium-Oxidizing Bacteria. Bloom in a Shallow South African Estuary. in a Shallow Eutrophic Lake. W91-12424 2H W91-12041 2L W91-12778 2H Comparison of Periphytic Algal Biomass and Plankton Succession in Lake Sempach, Lake Improvement in Accuracy of the Interpretation Community Structure on Scirpus validus and on Hallwil and Lake Baldegg Before and During of Algal Growth Curves Using a 200 Channel a Morphologically Similar Artificial Substratum. Internal Restoration Measures. Automatic Batch Culture Apparatus. W91-12426 2H W91-12710 5G W91-12779 2H Nitrogen Uptake and C:N:P Ratio of Epiphytic Nitrate Reductase Activity in Freshwater Phy- Water Quality Aspects of Two Small Shallow Algae in the Littoral Zone of Lake Kasumi- toplankton. Man-Made Impoundments with Different Water guara. W91-12737 2H Residence Times. W91-12470 2H W91-12788 2H Use of Aluminium Sulphate to Control Algal Primary Production of Phytoplankton in an Blooms and Chironomids in Jackadder Lake, Effect of Resuspension on Algal Production in a Oligo-Mesotrophic Lake. Western Australia. Shallow Lake. W91-12472 2H W91-12750 5G W91-12887 2H Weak Coupling of Bacterial and Algal Produc- Bioregulation Measures in Drinking Water Stor- ALGAL MATS tion in a Heterotrophic Ecosystem: The Hudson age Reservoirs in the Antwerp Region, Belgium. ‘Giant’ Blue-Green Alga. River Estuary. W91-12786 5G W91-12938 4A W91-12484 2L ALGAL CONTROL ALGAL PHYSIOLOGY Application of the DROOP-Model of Nutrient Use of Aluminium Sulphate to Control Algal Modelling Biomass and Oxygen Dynamics of Limitation to Natural Phytoplankton. Blooms and Chironomids in Jackadder Lake, Prochlorothrix hollandica in Laboratory-Scale W91-12679 2H Western Australia. Enclosures. W91-12750 5G W91-12669 2H Long Term Development of Phytoplankton in Lake Constance. ‘Giant’ Blue-Green Alga. Cyanobacterial Nitrogen Fixation in Lake W91-12686 2H W91-12938 4A Kariba, Zimbabwe. W91-12749 2H ALGAL GROWTH pRSWhee9ila1cas-t o1inoa2annl6sd 8 7C yAHcmeltoeen rgo1 9t8r7ot hpeih ni cCL oamkePpl oanCnoeknntstotsna ncoeDf.u rAiuntgo trt2oh-He GtWi9ro1on -w1tto1h 7 L0iR6ga htte aonfd FToeumrp eFrraetsuhrwea.t er Algae in Rel2aH- ALALGpiAmpilLti actaPitoOinoP nU toL oAfN aTttIuhreO aNlD SRP OhyOtPo-pMlaondketoln . of Nutrient Phytoplankton and Chemical Composition of W91-12679 2H Community Grazing in Lakes of Different TWr9o1p-h1i2c6 9S3t ates. 2H tWPhr9eo1 v-i1Wn2act3ee7)r4 s ( in oRfu ssLiaakne) . Jack London (Magada2nH cWPoh9ro1dt-io1nt2gr7 o7pE3ha ircly PEingvmiernotnsm enantda l MiSniegrnaalls . Phases R2eH- Ninu tSrcihelnatc hBtaelnasnecee s Duarnidn gP hOyltiogpoltarnokphtiocna tiDoynn.a mics Visatriicsa tUionnd ero f tPhhe ytInofplluaennkcteo no f GLrioghwtt ha ndC haTreamcpteerr-- ALMGixOeRdI THWeMaSk Acid/Base Systems, Part II: W91-12696 2H ature (in Russian). Dosing Estimation, Aqueous Phase. Competition Experiments with Two Planktic W91-12377 2H W91-11766 SF Blue-Green Algae (Oscillatoriaceae). Effects of a Diazinon Formulation on Unialgal Network Algorithm for the Optimum Operation W91-12699 2H Growth Rates and Phytoplankton Diversity. of Urban Drainage Systems. W91-12430 5C Eutrophication and Stress in Physically Stable W91-12594 5G and Unstable Lakes: Effects on Phytoplankton Seasonality of Planktonic Desmid Species in State and Coefficients Estimation for the Acti- Structure and Seasonality. Lake Maarsseveen (The Netherlands) Related to vated Sludge Process Using a Modified Kalman W91-12704 5C Experimentally Determined Growth Rates in a Filter Algorithm. Temperature-Light Gradient. Phytoplankton Studies in a Tropical Lake (Lake W91-12674 2H W91-12597 5D Xolotlan, Nicaragua). ALKALINITY W91-12756 2H Changes in Community Structure and Growth Limitation of Phytoplankton Due to Top-Down Alkaline, Saline Lakes of Uganda: A Review. W91-11628 2H Phytoplankton Composition and Activity in Food-Web Manipulation. Lakes of the Warm Belt. W91-12676 5G Metal Bioavailability and Toxicity to Fish in W91-12770 2H Low-Alkalinity Lakes: A Critical Review. Irregular Biomass Response in Recovering W91-12032 sc Utility of Latitude and Other Environmental Prealpine Lakes. Factors as Predictors of Nutrients, Biomass and W91-12683 2H ALKYLBENZENE SULFONATES Production in Lakes Worldwide: Problems and Neutral Oil in Commercial Linear Alkylbenzen- Competition Experiments with Two Planktic Alternatives. esulfonate and Its Effect on Organic Solute Sol- Blue-Green Algae (Oscillatoriaceae). W91-12771 2H ubility in Water. W91-12699 2H W91-11963 5B Algal-Consumer Interactions in 2-Stage Contin- Reaction of Phytoplankton Community on Hy- uous Culture Systems. polimnic Aeration. Liquid Chromatographic Determination of W91-12780 2H W91-12702 5G Linear Alkylbenzenesulfonates in Aqueous En- vironmental Samples. ALGAE BLOOMS Numbers and Activity of Bacterio- and Phyto- W91-12538 5A Buoyant Density of Chromatium sp.: Its Effect plankton in Contrasting Maritime Antarctic on the Blooming at an Upper Boundary of the Lakes. ALLIGATORWEED H2S Layer in Lake Kaiike. W91-12754 2H Biological Control Operations on Alligator- W91-12178 2H weed. Continuous Flow-System to Measure Phyto- W91-12930 4A ALGAL BLOOMS plankton Photosynthesis. Phytoplankton Flora in the Warri/Forcados Es- W91-12776 7B ALLUVIAL CHANNELS tuary of Southern Nigeria. Convective Accelerations and Boundary Shear W91-11630 s€ C-14 Uptake and Growth Rate of Phytoplankton Stress Over a Channel Bar. in Continuous Cultures. W91-11732 2E Alkaline Phosphatase Activity Fluctuations and W91-12777 7B Associated Factors in a Eutrophic Lake Domi- Velocity Distribution and Bed Roughness in nated by Oscillatoria rubescens. Discrepancies Between O2- and 14C-Method High-Gradient Streams. W91-11708 5C Resulting from Measurements of Primary Pro- W91-11736 2E su-5 SUBJECT INDEX ALLUVIAL CHANNELS Incision and Morphologic Evolution of an Allu- AMERICAN RIVER AMPHIPODS vial Channel Recovering from Hydraulic Public Trust and In-Stream Uses. Sublethal Effects and Bioaccumulation of Cad- Mining Sediment. W91-11957 6E mium, Chromium, Copper and Zinc in the W91-11786 2J Marine Amphipod Allorchestes compressa. AMERICIUM RADIOISOTOPES W91-12518 5C Neotectonic Effects on Sinuosity and Channel Radionuclide Distributions in Seawater Around Migration, Belle Fourche River, Western South the Sellafield Pipeline. Effects of Sampling Techniques on the Dakota. W91-12046 5B Gammarus:Asellus Ratio. W91-12263 2 W91-12860 7B AMES TEST ALLUVIAL DEPOSITS Mutagenicity of the Components of Ozonated ANAEROBIC CONDITIONS Some Problems Concerning the Genesis, Classi- Humic Substance. Anaerobic Microbial Biogeochemistry in Sedi- fWi9c1at-i1o2n 84a5n d Use of Soils in the Danube Delt2aE. W91-12150 5C mEevnitdse ncfer omf orT wIor on Basainnds Mian ngthaen eGsuel f Roefd ucMtaiionne.: ALLUVIAL RIVERS Mutagenicity of Ozonation and Chlorination W91-12043 2K Surface-Subsurface Water Interactions in an Al- Products from p-Hydroxybenzaldehyde. luviated Mountain Stream Channel. W91-12151 ~. os Synchronous Microaerobic and Aerobic Degra- W91-12336 2E dation of Ca-Lignosulfonate by an Immobilized AMMONIA Mixed Culture System (Mikrobieller Abbau von ALLUVIAL SEDIMENTS Effect of Sublethal Concentrations of Four Ligninsulfonaten unter Mikroaeroben Bedingun- Temporal Variations in the Trace Element Con- Chemicals on Susceptibility of Juvenile Rainbow gen). tent of Stream Sediments: An Example from a Trout (Oncorhynchus mykiss) to Saprolegniosis. W91-12861 5D Tropical Rain Forest Regime, Solomon Islands. W91-12015 Pe W91-12132 2K ANAEROBIC DIGESTION Reducing Nitrogen in Reject Water. Mathematical Modelling of Upflow Anaerobic ALLUVIUM W91-12075 5D Sludge Bed (USAB) Systems Treating Carbohy- River Alluvium and the Beach Formation of the drate Waste Waters. North-East Caucasian Black Sea Coast (in Rus- In situ Study of the Effect of Oyster Biomass on W91-11765 5D sian). Benthic Metabolic Exchange Rates. W91-12897 2J W91-12128 2L Vinasses Biological Treatment by Anaerobic and Aerobic Processes: Laboratory and Pilot-Plant ALMOND TREES Experience in Operating the Water-Cooling Sys- Tests. Trickle Irrigation Rates and Soil Salinity Distri- tems of the Generator Stator Windings at the W91-11778 5D bution in an Almond (Prunus amygdalus) Or- Inguri Hydroelectric Station. chard. W91-12618 8C Anaerobic Digestion of Rabbit Wastes. W91-11606 3F W91-11779 5D Lethal and Sub-Lethal Toxicity of Field Simu- ALUM lated Farm Waste Episodes to Several Freshwa- Comparative Economic Analysis: Anaerobic Di- Use of Aluminium Sulphate to Control Algal ter Invertebrate Species. gester Case Study. Blooms and Chironomids in Jackadder Lake, W91-12851 5C W91-11780 5D Western Australia. W91-12750 5G AMMONIA REMOVAL First Order and Step-Diffusional Kinetic Models Treatability Study of Organic and Ammonia Ni- in Simulating the Mesophilic Anaerobic Diges- ALRIUnecsMrpeIoanNsseUed M o Afl Muamcirnoiiunmv ertCeobnrceanttersa ttioo nLso wi n pWHe lasnhd ttiroong einn aR eRmootvaatli;n g SBliuodlgoeg icSaelt tlCionngt aacntdo r-SSteatbtilliisnag- tWi9o1n- 1of1 7C8o1m plex Substrates. 5D Streams: Multiple Episodes and Chronic Expo- Tank System. On-Site Hybrid Anaerobic Treatment of Particu- sure. W91-11825 5D lated Poultry Wastes. W91-11620 sc AMMONIUM W91-11818 5D Acidification-Related Changes in the Biogeoche- Mesocosm Studies on the Influence of Phos- Biogas Recovery from a Thermally Treated mistry and Ecotoxicology of Mercury, Cadmi- phate Enrichment on Ammonium and Nitrate Sewage Sludge by a Fixed-Bed Anaerobic Bior- um, Lead and Aluminum: Overview. Flux in an Oligotrophic Lake. eactor. W91-12027 sc W91-12385 2H W91-11819 5D Effects of Acidification on the Geochemistry of Ammonium Stimulation of Dark Carbon Fixa- Aerobic and Anaerobic Soil Metabolism of Di- Al, Cd, Pb and Hg in Freshwater Environments: tion as an Indicator of Nitrogen Deficiency in camba. A Literature Review. Phytoplankton: Potential Errors Caused by Am- W91-12028 3c monium-Oxidizing Bacteria. W91-12049 5B W91-12424 2H Ultimate Biodegradability and Decay Rates of Epfhfiebicatnss .o f Aluminum and Other Metals on Am- Effects of Sea Salts on the Forms of Nitrogen Cow Paunch Manure Under Anaerobic Condi- W91-12033 Oe Released from Estuarine and Freshwater Sedi- tWi9o1ns-.1 2256 5D ments: Does Ion Pairing Affect Ammonium LSWu9or1wv--i1vpa2Hl1 84Lo afk es.I ntroduced Smallmouth Bass sicn WFl9u1x-. 12499 2L EBfafteccht s Aonf aeArgoibtiacti on Diagneds tiPorne treoaft meOnlti ve on Mitlhle Wastewater. ALUMINUM SULFATE Effect of Salinity on Ammonium Sorption in W91-12258 5D Aquatic Sediments: Implications for Benthic Nu- Use of Aluminium Sulphate to Control Algal Blooms and Chironomids in Jackadder Lake, trient Recycling. Biogas Plants Construction Technology for W91-12500 2L Rural Areas. Western Australia. W91-12750 5G Mass Budget as a Tool for Predicting the Re- W91-12461 5D AMAZON RIVER sponse to Liming of the Acidified, Ammonium Changes to the Microbial Ecology in Anaerobic Photosynthetic Parameters for Phytoplankton in Polluted Lake Orta. Digesters Treating Ice Cream Wastewater Amazon Floodplain Lakes, April-May 1987. W91-12733 5G During Start-up. W91-12763 2H W91-12849 5D AMPHIBIANS Productivity and Heterotrophic Activities in Acid Sensitivity and Water Chemistry Corre- Evaluation of the Inhibitory Effects of Lithium Warm and Temperate Lakes. lates of Amphibian Breeding Ponds in Northern when Used as a Tracer for Anaerobic Digesters. W91-12766 2H Wisconsin, USA. W91-12904 5D W91-11633 5C AMAZON RIVER BASIN Anaerobic Digestion of High Strength Molasses Productivity and Heterotrophic Activities in Effects of Aluminum and Other Metals on Am- Wastewater Using Hybrid Anaerobic Baffled Warm and Temperate Lakes. phibians. Reactor. W91-12766 2H W91-12033 5C W91-12907 5D SU-46 SUBJECT INDEX AQUACULTURE Dynamic Modelling of a Single-Stage High-Rate dation and Flow Injection Analysis (Online-Ver- ANISOTROPY Anaerobic Reactor--I. Model Derivation. fahren zur Bestimmung von loslichem Gesamt- Hysteresis and State-Dependent Anisotropy in W91-12916 5D Stickstoff in Abwassern durch Kopplung eines Modeling Unsaturated Hillslope Hydrologic UV-Aufschlusses mit der Fliessinjektionsana- Processes. DAnyanearmoibci c MoRdeaecltloirn-g- IIo.f aM oSdienlgl eV-eSrtiafgiec atHiiogn.h -Rate lWy9s1e)-.1 2862 5A W91-12326 2F W91-12917 5D ANKEVEEN LAKE ANAEROBIC FILTERS Interlaboratory Test for the Determination of s- Eutrophication Abatement Programme for Dairy Wastewater Treatment Using Anaerobic Triazines in Water Samples (Zweite Vergleich- Three North Holland Vecht Lakes. Filters. suntersuchung zur Bestimmung von s-Triazinen W91-12675 5G W91-11651 5D in Wasserproben). W91-12863 5A ANNAPOLIS RIVER ANAEROBIC TREATMENT Mortality of Juvenile Clupeids during Passage Dairy Wastewater Treatment Using Anaerobic New Method for Measuring the Hardness of through a Tidal, Low-Head Hydroelectric Tur- Filters. Water. bine at Annapolis Royal, Nova Scotia. W91-11651 5D W91-12865 2K W91-12827 8I Anaerobic Treatment of Potato-Processing Lysimeter Studies. ANNUAL FLOODS Wastewater by a USABR-UAF System at Low W91-12871 5B Hierarchical Approach to Regional Flood Fre- Organic Loadings. quency Analysis. W91-12301 5D ANALYTICAL TECHNIQUES W91-12242 2E Comparison of Grain Size Correction Proce- ANALOG MODELS dures for Organic Micropollutants and Heavy ANNUAL PRECIPITATION Geostatistical Characterization of Groundwater Metals in Marine Sediments. Year-to-Year Variation of Snow Cover Area in Flow Parameters in a Simulated Aquifer. W91-11635 5A the Northern Hemisphere. W91-11722 2F W91-12891 2C ANDRE COYNE ANALYTICAL METHODS Andre Coyne: A Review of His Ideas and Their ANODES Centrifugal Flotation as an Aid to Separating Invertebrates from Detritus in Benthic Samples. Application Today. Cathodic Protection of the Penstocks of the W91-11641 7B W91-12198 8A Mingechaur Hydroelectric Station. W91-12614 8G Centrifugal Techniques for Measuring Saturated ANIMAL BEHAVIOR Hydraulic Conductivity. Diel Vertical Migration of Daphnia hyalina ANOXIC CONDITIONS W91-12240 7B (sensu latiori) in Lake Maarsseveen: Part 1. As- Formation of Toluene by Microorganisms from pects of Seasonal and Daily Timing. Anoxic Freshwater Sediments. Enzyme Immunoassays for the Determination of W91-12469 2H W91-12479 5B s-Triazines in Water Samples: Two Interlabora- tory Tests. Effect of Whole-Lake Fish Community Manipu- ANTARCTIC W91-12268 5A lations on Daphnia Migratory Behavior. Numbers and Activity of Bacterio- and Phyto- W91-12490 2H plankton in Contrasting Maritime Antarctic Determination of Technetium-99 in Environ- Lakes. mental Samples by Inductively Coupled Plasma Distribution of the Productivity over Different W91-12754 2H Mass Spectrometry. Size Classes of Phytoplankton in Lake Maarsse- W91-12276 5A veen I (The Netherlands). A Possible Factor ANTARCTICA Optimum Geometry of Radioactive Aqueous Influencing Zooplankton Vertical Migration. Methane Production in Meromictic Ace Lake, Sample Container for Measurement with a Ger- W91-12673 2H Antarctica. W91-12109 2H manium Detector. Zooplankton Grazing in Lake Constance: Sea- W91-12277 5A sonal and Day-Night in Situ Measurements. ANTIACH LANDFILL SITE Continuous Flow Thin-Layer Headspace W91-12689 2H Determination of Hydraulic Properties in the mW(aiTtnLeaHrtS.i o)n Aonfa lVyosliast:i leII . OSrpgeacnitcr opHhaoltoogmeentsr i(cV ODXet)e ri-n ANESIpaMirzAcooLomt ai DolIoiSngE yA MSaaEnrdSy laDinsdt ribSuotfitosnhe llo f TCrlaanmssm,i ssiMbylae VDWi9ec1ci-en1imt2by6e 5r6 o f1 98a7 . Landfill Near Antioch, Illinoi2sF, W91-12439 5A arenaria, 1984-1988. ANTIFOULANTS Analytical Method to Determine Henry’s Law W91-11666 5C Comparative Toxicity of Organotin Compounds Constant for Selected Volatile Organic Com- to Rainbow Trout (Oncorhynchus mykiss) Yolk pounds at Concentrations and Temperatures ANIMAL GROWTH Sac Fry. Corresponding to Tap Water Use. Increased Abundance and Growth of the Sus- W91-12154 5C W91-12452 5B pension-Feeding Bivalve Corbula gibba in a Shallow Part of the Eutrophic Limfjord, Den- ANTIMONY Physica! Measurements in Subsurface Hydrolo- mark. Simultaneous Determination of Inorganic Ar- sy. W91-12069 5A senic and Antimony Species in Natural Waters W91-12512 2F Using Selective Hydride Generation with Gas ANIMAL METABOLISM Chromatography/Photoionization Detection. Simultaneous Determination of Inorganic Ar- Uptake, Elimination, and Bioconcentration of W91-12537 5A senic and Antimony Species in Natural Waters Ten Anilines in Zebrafish (Brachydanio rerio). Using Selective Hydride Generation with Gas W91-12149 5B APPALACHIAN FORESTS Chromatography/Photoionization Detection. Spatial Variations of Sapwood Chemistry with W91-12537 SA ANIMAL PARASITES Soil Acidity in Appalachian Forests. Effect of Oil-Contaminated Sediment on the W91-12008 5C Liquid Chromatographic Determination of Longhorn Sculpin (Myoxocephalus octodecem- i Ifonates in Aqueous En- spinosus) Following Chronic Exposure. APPALACHIAN MOUNTAINS vironmental Samples. W91-12432 5C Nitrogen Effects on Soil Water Extraction by W91-12538 5A Tall Fescue in Northern Appalachia. Abundance and Activity of Bacterioplankton in ODyisstterrisb:u tiIotns Roefl aPteiroknisnhsiups wmiatrhi nTuesm pienr aGtuulrfe ,C oaRset- W91-11754 3F Warm Lakes. production, and Pollutant Body Burden. AQUACULTURE W91-12767 2H W91-12448 5C Managing Shrimp Pond Water to Reduce Dis- Effects of Sampling Techniques on the charge Problems. Gammarus:Asellus Ratio. ANIMAL PHYSIOLOGY W91-12493 5G Uptake of Cadmium in Tropical Marine Lamelli- W91-12860 7B branches, and Effects on Physiological Behav- Calibration and Validation of TAP, an Aquacul- Continuous Determination of Total Soluble Ni- iour. ture Pond Water Quality Model. trogen in Waste Water using On-Line Photooxi- W91-12521 5B W91-12494 5G SUBJECT INDEX AQUATIC ANIMALS AQUATIC ANIMALS Biogeochemical Processes Governing Exposure Seasonal and Spatial Variation in the Abundance Effect of Acidification on the Accumulation and and Uptake of Organic Pollutant Compounds in of Aquatic Phytophilous Macroinvertebrate Toxicity of Metals to Freshwater Invertebrates. Aquatic Organisms. Fauna on Nuphar lutea (L.) Sm. in an Oxbow W91-12031 ~ W91-11670 5B Lake. W91-12677 2H Beaver Population Fluctuations and Tropo- Carcinogenesis Studies in Rodents for Evaluat- spheric Methane Emissions in Boreal Wetlands. ing Risks Associated with Chemical Carcino- Consequences of Water Oligotrophication on W91-12274 2H gens in Aquatic Food Animals. Macrophytic Vegetation of Swiss Lakes. W91-11676 5A W91-12712 5G First Attempt to Measure the Clearance Rate of Anuraeopsis fissa. Mercury Methylation in Aquatic Systems Af- Nutrient Cycling in a Freshwater Reed Marsh. W91-12670 2H fected by Acid Deposition. W91-12719 5B W91-12029 5B AQUATIC BACTERIA Contribution of Mudflat Primary Production to Seasonal Coupling Between Phyto- and Bacter- Comparison of Four Methods for Measuring a Reservoir Carbon Budget. ioplankton in a Sand Pit Lake (Creteil Lake, Chitinase Activity and the Application of the 4- W91-12785 2H France). MUF Assay in Aquatic Environments. W91-11689 2H W91-12307 7B Effect of External Phosphorus, Nitrogen and Calcium on Growth of Lemna trisulca. Distribution of Microaerophilic Bacteria Elements of Management Systems in Coastal W91-12803 2H through the Oxic-Anoxic Transition Zone of Regions. Lagoon Sediments. W91-12591 6A Role of Nutrient Cycling and Herbivory in Reg- W91-11698 2L AQUATIC ENVIRONMENT MANAGEMENT uSltarteianmgs . Periphyton Communities in Laboratory Advantages of Distinguishing the Active Frac- SYSTEM W91-12806 5G tion in Bacterioplankton Assemblages: Some Ex- Elements of Management Systems in Coastal amples. Regions. AQUATIC POPULATIONS W91-11715 5A W91-12591 6A Biological and Ecological Study of the Aquatic Oligochaetes of the River Tambre and Its Envi- Characterization of Exopolymers of Aquatic AQUATIC FUNGI ronment (Galicia, Spain) (Etude Biologique et WBa9c1t-e1ri2a0 1b0y Pyrolysis-Mass Spectrometry. 2K ARqivueart icT eignH:y p[hVo.m yTcweitge ColoCnoimzmautnioint.i es in the ERicvoileorgei quTea mbdrese Oleti godceh etSeess AMqiulaietuixq uesA ssodcei esla W91-12040 2H (Galice, Espagne)). DNA Synthesis and Tritiated Thymidine Incor- AQUATIC HABITATS W91-12272 2E pino rCaotnitoni nuboyu s HeCtuelrtoutrer.o phic Freshwater Bacteria Impact Targets versus Discharge Standards in AQUATIC PRODUCTIVITY W91-12012 2H Agricultural Pollution Management. Transformation by Bacterial Communities of Or- W91-11614 5G ganic Matter Secreted by Living Phytoplankton Survival of Aeromonas salmonicida in Lake Rain-Pools on Peat Moorland as Island Habitats (in Russian). Water. for Midge Larvae. W91-12373 2H W91-12014 2H W91-11640 2H Numbers and Activity of Bacterio- and Phyto- Distribution of Bacteria in the Sediment of an Stream Habitat Assessment Programs in States plankton in Contrasting Maritime Antarctic OBrxabziolw). Tropical Lake (Lagoa do Infernao, SP, oWf9 1t-he1 2A1F7S4 North Central Division. 6B LWa9k1e-s1.2 754 2H W91-12185 2H AQUATIC WEED CONTROL AQUATIC INSECTS Bacterial Secondary Production and Its Relation Colonization of a Headwater Stream During Natural Resource Management of Water and with Primary Production in the Embalse del Rio Three Years of Seasonal Insecticidal Applica- Land. III Reservoir, Argentina. tions. W91-12922 6A W91-12186 2H W91-12187 5C Water and Land and Herbivorous Fish. Studies on the Ecology of Aquatic Bacteria of AQUATIC LIFE W91-12929 4A tCehlel sL oanwde rP hyNsiigoelro giDceallt a:G roPuoppsu.l ations of Viable APqruoaotxiidca nOtr ganainsdm s. Antioxidant Mechanisms in wBeioeldo.g ical Control Operations on Alligator- W91-12473 2H W91-12021 5C W91-12930 4A Formation of Toluene by Microorganisms from AQUATIC ORGANISMS Dissipation of Residues of 2,4-D in Water, Hy- AWn9o1x-i1c2 47F9re shwater Sediments. 5B RSceoctollaonndi satiFoonl loowfi nFgo ur DSrmoaullg htS treCaomnsd iitni oCnesn trailn dWr9o1s-oi1l2 9a3n3d Fish. 5B 1984. Effect of Salinity on Petroleum Biodegradation. W91-11638 2E Dissipation of 2,4-D Residues in Large Reser- W91-12480 5B voirs. Weak Coupling of Bacterial and Algal Produc- AQCUaAdTmiIuCm , PLCAoNppTeSr and Lead in Aquatic Macro- W91-12934 5B tRiiovne ri n Esa tuHaertye.r otrophic Ecosystem: The Hudson pWh9y1t-e1s1 6i3n 7S hoal Lake (Manitoba-Ontario). 2H WRiavteerr.h yacinth Control Plan for the St. Johns W91-12484 2L W91-12935 4A Wastewater Treatment Using Aquatic Plants. Identification of Bacteriochlorophylls in Lakes W91-11809 5D Corps of Engineers Aquatic Plant Management via Reverse-Phase HPLC. Program. W91-12485 2H Accumulation of Arsenic by Aquatic Plants. W91-12936 6A W91-12153 5B AQUATIC BEETLES Developing a Plan to Manage Lake Vegetation. Biological Control Operations on Alligator- Transformation by Bacterial Communities of Or- W91-12937 6A weed. ganic Matter Secreted by Living Phytoplankton W91-12930 4A (in Russian). Aquatic Weeds and Public Health. W91-12373 2H W91-12939 4A AQUATIC DRIFT Mesh-Size Effects on Drift Sample Composition Effect of pH and Temperature on the Uptake of AQUATIC WEEDS as Determined with a Triple Net Sampler. Cadmium by Lemna minor L. Biological Control Operations on Alligator- W91-12096 7B W91-12435 5B weed. W91-12930 4A AQUATIC ENVIRONMENT Sediment and Water as Sources of Nitrogen and Review of Some Characteristics of Freshwater Phosphorus for Submerged Rooted Aquatic Ma- Vegetative Spread of Eurasian Watermilfoil in and Coastal Ecosystems in Ghana. crophytes. Lake George, New York. W91-11625 2L W91-12515 2H W91-12931 2H SU-8 SUBJECT INDEX AROMATIC COMPOUNDS Nuisance Aquatic Macrophyte Growth. Hydrogeology of the Middle Wilcox Aquifer ARGENTINA W91-12932 2H System in Mississippi. Physical and Chemical Characters, Phytoplank- W91-11847 7C ton and Primary Production of Ezequiel Ramos Aquatic Weeds and Public Health. W91-12939 4A AQUIFER TESTING Mexia Reservoir (Argentina). Sample Functions as Indicators of Aquifer Het- W91-12092 2H AQUIFER CHARACTERISTICS erogeneities. Sample Functions as Indicators of Aquifer Het- W91-11659 2F Bacterial Secondary Production and Its Relation erogeneities. with Primary Production in the Embalse del Rio W91-11659 2F AQUIFERS III Reservoir, Argentina. Geostatistical Characterization of Groundwater W91-12186 2H Hydrogeology and Water Quality of the Tug Flow Parameters in a Simulated Aquifer. Hill Glacial Aquifer in Northern New York. W91-11722 2F Empirical Relationships Between Nutrients, W91-11841 2F Phyto- and Zooplankton and Relative Fish Bio- Potentiometric Surface of the Intermediate Aq- GItrso uPnodte ntWiaatle r Inifn ltuheen cAel exoann drthiea DAdujnaec eFnite ld Suarnfd- mWa9s1s- 1i2n7 6L5ak es and Reservoirs of Argentina. 2H uifer System, West-Central Florida, September Zone. 1989. W91-11771 2F Histological Gill Lesions Attributable to Toxics W91-11842 7C Potentiometric Surface of the Upper Floridan in Odonthestes bonariensis (Cuv. & Val. 1835) Potentiometric Surface of the Upper Floridan Aquifer in the St. Johns River Water Manage- (Lesiones Histologicas Branquiales Atribuibles a Aquifer, West-Central Florida, September 1989. ment District and Vicinity, September 1989. Toxicos en Odonthestes bonariensis (Cuv. y W91-11843 7C W91-11839 71C Val., 1835) (Pisces, Atherinidae)). W91-12841 2K Approximate Water-Level Changes in Wells Potentiometric Surface of the Intermediate Aq- Completed in the Chicot and Evangeline uifer System, West-Central Florida, September Annual Cycle and Spatial Heterogeneity of Au- Aquifers, 1977-90 and 1989-90, and Measured 1989. totrophic and Heterotrophic Processes, and Compaction, 1973-December 1989, in the Hous- W91-11842 7C Physicochemical Features of Rio Tercero Reser- ton-Galveston Region, Texas. voir, Cordoba, Argentina (Ciclo Anual y Heter- W91-11844 2F Potentiometric Surface of the Upper Floridan ogeneidad Espacial de Procesos Autotroficos y Aquifer, West-Central Florida, September 1989. Hydrogeology of the Middle Wilcox Aquifer W91-11843 7C Heterotroficos, y Caracteres Fisicoquimicos del System in Mississippi. Embalse Rio Tercero, Cordoba, Argentina). W91-11847 7C Potentiometric-Surface Map of the Gordo Aqui- W91-12842 2H fer in Northeastern Mississippi, August through Aquifer-Characteristics and Water-Chemistry December 1987. ARID CLIMATES Data from Wells on or Near Navajo Tribal W91-11846 71C Selected Meteorological Data for an Arid Cli- Lands in the Zuni River Basin and Whitewater mate Over Bare Soil Near Beatty, Nye County, Arroyo Drainage, West-Central New Mexico. Geohydrologic Evaluation of the Upper Part of Nevada, November 1977 Through May 1980. W91-11870 2F the Mesaverde Group, Northwestern Colorado. W91-11940 2B W91-11949 4C Method to Estimate Canal Leakage to the Bis- ARID LANDS cayne Aquifer, Dade County, Florida. In Situ Biodegradation: Microbiological Patterns W91-11934 2E in a Contaminated Aquifer. Water and Land Use and the North American W91-12212 5B Arid Lands. Geohydrologic Evaluation of the Upper Part of W91-12923 6E the Mesaverde Group, Northwestern Colorado. Groundwater Contamination at the Kesterson W91-11949 4C Reservoir, California: I. Hydrogeologic Setting ARIZONA and Conservative Solute Transport. Geohydrology and Chemical Quality of Ground Nonequilibrium Sorption of Organic Chemicals W91-12224 5B Water, San Bernardino National Wildlife by Low Organic-Carbon Aquifer Materials. Refuge, Arizona. W91-12148 5B Numerical Modeling of Natural and Enhanced W91-11859 2F Denitrification Processes in Aquifers. Three-Dimensional Spatial Moments Analysis of W91-12228 5B Guayule Biomass Production Under Irrigation. the Borden Tracer Test. W91-12238 5B Rate-Limited Sorption and Nonequilibrium W91-12255 3F Transport of Organic Chemicals in Low Organ- Comparison Between Natural and Forced Gra- ic Carbon Aquifer Materials. ARKANSAS dient Tests to Determine the Vertical Distribu- W91-12229 5B Preliminary Assessment of the Potential for Ar- tion of Horizontal Transport Properties of tificial Recharge in Eastern Arkansas. Aquifers. ARCH DAMS W91-11867 2F W91-12244 5B Kolnbrein Dam: An Unusual Solution for an Unusual Problem. Hydrogeology and Quality of Ground Water in Stochastic Model of Solute Transport in W91-12196 8A the Boone Formation and Cotter Dolomite in Groundwater: Application to the Borden, Ontar- Karst Terrain of Northwestern Boone County, io, Tracer Test. Investigation of Problems of Constructing the Arkansas. W91-12248 5B Khudoni Arch Dam by the Continuous Convey- W91-11931 5B or Technology. Determination of Hydraulic Properties in the W91-12612 8A Summary and Analysis of Water-Use Data Col- Vicinity of a Landfill Near Antioch, Illinois, December 1987. Seepage Regime in the Foundation of the lection in Eastern Arkansas. W91-12656 2F Sayano-Shushenskoe Hydroelectric Station Dam W91-11937 6D During Staged Filling of the Reservoir. (Bio)Geochemical Reactions In Aquifer Material W91-12619 8A Summary of Reported Water Use for Arkansas from a Thermal Energy Storage Site. Counties, 1989. W91-12858 2K ARCTIC ZONE W91-11953 6D Snow Hydrology of a Headwater Arctic Basin: AQUIFER REMEDIATION I. Physical Measurements and Process Studies. AROCLORS Efficient and Accurate Front Tracking for Two- W91-12226 2C Comparison of PCB Quantitation Methods: Re- Dimensional Groundwater Flow Models. Analysis of Archived Specimens of Herring Gull W91-12324 5B Snow Hydrology of a Headwater Arctic Basin: Eggs from the Great Lakes. II. Conceptual Analysis and Computer Model- AQUIFER SYSTEMS ing. W91-12143 5A Approximate Water-Level Changes in Wells W91-12227 2c AROMATIC COMPOUNDS Completed in the Chicot and Evangeline Aquifers, 1977-90 and 1989-90, and Measured Environmental Effects on CO2 Efflux from Adsorption Equilibrium Studies of Some Aque- Compaction, 1973-December 1989, in the Hous- Water Track and Tussock Tundra in Arctic ous Aromatic Pollutants on Granular Activated ton-Galveston Region, Texas. Alaska, U.S.A. Carbon Samples. W91-11844 2F W91-12539 2H W91-12899 5F SUBJECT INDEX AROMATIC PESTICIDES AROMATIC PESTICIDES ATMOSPHERIC CHEMISTRY Use of Aluminium Sulphate to Control Algal Extension of USEPA Method 531 for the Analy- Low-Intensity Radiolysis Study of Free-Radical Blooms and Chironomids in Jackadder Lake, sis of Several Classes of Nitrogenous Pesticides Reactions in Cloudwater: H202 Production and Western Australia. in Groundwater by Postcolumn UV Photolysis. Destruction. W91-12750 5G W91-11873 5A W91-11969 2B Saline Lake Microcosms (Microecosystems) as a AROSURF MSF Beaver Population Fluctuations and Tropo- Method of Investigating Ecosystem Attributes. Effects of Arosurf MSF on a Variety of Aquatic spheric Methane Emissions in Boreal Wetlands. W91-12751 2H Nontarget Organisms in the Laboratory. W91-12274 2H W91-12549 5C Hydrochemistry on the Yilgarn Block, Western ATMOSPHERIC CIRCULATION Australia: Ferrolysis and Mineralization in ARSENIC Large-Scale Ocean Atmospheric Variability As- Acidic Brines. Accumulation of Arsenic by Aquatic Plants. sociated with Hydrological Extremes in Western W91-12815 2K North America. W91-12153 5B W91-11871 2B AUSTRIA Simultaneous Determination of Inorganic Ar- Chemistry and Crustacean Zooplankton of the Meso-Beta-Scale Potential Vorticity Anomalies senic and Antimony Species in Natural Waters and Rainbands. Part I: Adiabatic Dynamics of Seewinkel Pans: A Review of Recent Condi- Using Selective Hydride Generation with Gas Potential Vorticity Anomalies. tions. Chromatography/Photoionization Detection. W91-12532 2B W91-12100 2H W91-12537 SA ATMOSPHERIC PHYSICS Status and Prospects of Hydropower in Austria. ARTIFICIAL INTELLIGENCE Physical Factors Influencing Winter Precipita- W91-12195 8C Aspects of Intelligent Tutoring Systems Applied tion Chemistry. to Small Water Treatment Plant Expert Systems. W91-11968 2B Kolnbrein Dam: An Unusual Solution for an W91-12605 5F Unusual Problem. ATMOSPHERIC PRESSURE W91-12196 8A ARTIFICIAL LAKES Estimation of Fluid Flow Properties from the Microbial Larvicides for the Control of Nui- Response of Water Levels in Wells to the Com- Recent Re-Oligotrophication in Mondsee (Aus- sance Aquatic Midges (Diptera: Chironomidae) bined Atmospheric and Earth Tide Forces. tria) as Indicated by Sediment Diatom and Inhabiting Mesocosms and Man-Made Lakes in W91-11742 2F Chemical Stratigraphy. California. W91-12716 5G W91-12550 4A ATMOSPHERIC PROCESSES Identification of High-Risk Atmospheric and Aspects of Phytoplankton Seasonal Succession ARTIFICIAL RECHARGE Surface Conditions for Urban Flash Flooding in in Mondsee, Austria, with Particular Reference Preliminary Assessment of the Potential for Ar- Louisiana. to the Ecology of Dinobryon Ehrenb. tificial Recharge in Eastern Arkansas. W91-12637 2E W91-12717 2H W91-11867 2F ATMOSPHERIC WATER Zooplankton Changes in Mondsee. Effects of an Organic Mat Filter on Artificial 8-Year Record of the Seasonal Variation of 2-H W91-12718 2H Recharge with Turbid Water. and 18-O in Atmospheric Water Vapour and W91-12247 4B Precipitation at Heidelberg, Germany. AUTOMATION W91-12902 2K Automatic, Real-Time Monitoring of Soil Mois- ARTIFICIAL SUBSTRATES ture in a Remote Field Area with Time Domain Comparison of Periphytic Algal Biomass and ATOLLS Reflectometry. Community Structure on Scirpus validus and on Trophic Structure and Productivity of the La- W91-11739 2G a Morphologically Similar Artificial Substratum. goonal Communities of Tikehau Atoll (Tuamotu W91-12426 2H Archipelago, French Polynesia). Automatic Measurement of Boundary Shear W91-11687 2L Stress and Velocity Distributions in Duct Flow. ARTIFICIAL WETLAND TREATMENT AUSTRALIA W91-12366 2E AWWsa9ss1et-se1sw1ma7et6ne0tr Torfe attmheen t. Root Zone Method 5oDf WDfoo9rm1 e-tsh1et1 i8Mc0t 8 WLaosftteyw aRtaenrg esM aWnaatgeermsehendt. Alternativ5eDs AcPuootwmoemmraa ntdiScet a tidoCenossn toru(ovLlre as geSesyq sutihepymde rmaeunolfti sq uHeydsde r odce’olEneltcerctotrlrieic-- ARTIFICIAL WETLANDS Wastewater Treatment Using Aquatic Plants. cite de Frante). Metal Cation Binding to Sphagnum Peat and W91-11809 5D W91-12413 8C Sawdust: Relation to Wetland Treatment of Metal-Polluted Waters. Fate of Lead from Duck Shooting and Road Automatic Control of the Rance Tidal Plant W91-12303 5D Runoff in Three Western Australian Wetlands. (Conduite automatique de l’usine maremotrice W91-12022 5B de la Rance). ASH W91-12417 8C Phosphorus and Nitrogen Dynamics in Streams Review of the Salt Sensitivity of the Australian During a Wildfire. Freshwater Biota. Remote Control and Automation of Hydro W91-12397 2E W91-12104 5G Power Plants (Telecommande et automatisme dans les usines hydro-electriques). ASIA Salinity Tolerances of Four Species of Fish from W91-12418 8C Progress and Problems of Irrigation Investment the Murray-Darling River System. in South and South-East Asia. W91-12105 5C Rule-Based Expert Systems in the Control of W91-11803 3F Wastewater Treatment Systems. Longitudinal Distribution of Macroinvertebrates W91-12604 5D ASPHALT Subject to Salinization. Site Sampling and Treatability Studies for Dem- W91-12106 x AVAILABLE WATER onstration of WasteChem’s Asphalt Encapsula- Surber and Kick Sampling: A Comparison for Test of Guidelines for Field Estimates of Water tWi9o1n -1T2e0c3h9n ology Under EPA’s SITE Program5.G tthye SAtsrsucetsusrmee nti n oSft rMeaacmrso inovfe rStoeubtrha-twee stCeormnm uAnuis-- Rcaentiecn tMiaotne rPiraolsp eritni eNso rtofh eSroni lsT aDnezrainviea.d from Vol- tralia. W91-11652 2G ASPHALTIC CONCRETE W91-12189 7B Construction of Compacted Asphaltic Concrete Yield Response of Groundnuts to the Amount Core Walls of Earth Dams. Eucalypt Leaf Decomposition in an Intermittent and Timing of Water Application. W91-12617 8A Stream in South-eastern Australia. W91-11654 3F W91-12190 2E ATHENS AVALANCHES Environmental Considerations for Design of the Predicting Water Consumption from Homeown- Numerical Simulation of Powder-Snow Ava- Athens Sea Outfall, Saronikos Gulf, Greece. ers’ Attitudes. lanches. W91-12468 SE W91-12287 6D W91-11984 2C SU-10