Table Of Content

CONTENTS OF VOLUME 59 Volume 59 Nos. 1/2 September 1991 SPECIAL SECTION ECOLOGICAL EFFECTS OF REPEATED TREATMENT OF LAKES WITH LIMESTONE D. B. PORCELLA / Ecological Effects of Repeated Treatment of Lakes with Limestone: An Overview 3 CHAD P. GUBALA and CHARLES T. DRISCOLL / The Chemical Responses of Acidic Woods Lake, NY to Two Different Treatments with Calcium Carbonate 7 PAUL A. BUKAVECKAS and CHARLES T. DRISCOLL / Effects of Whole-Lake Base Addition on Thermal Stratification in Three Acidic Adirondack Lakes 23 CARL L. SCHOFIELD, CHRIS KELEHER, and HENRY K. VANOFFELEN / Population Dynamics of Brook Trout (Salvelinus fontinalis) during Maintenance Liming of an Acidic Lake 41 INGEMAR ALENAS, B. INGVAR ANDERSSON, HANS HULTBERG, and ARNO ROSE- MARIN / Liming and Reacidification Reactions of a Forest Lake Ecosystem, Lake Lysevatten, in SW Sweden 55 REGULAR SECTION REED OSTRANDER and SIMON C. CLARK / Soil Heavy Metal Concentrations and Erosion Damage in Upland Grasslands in the Pennines, England 81 ALAIN HAMBUCKERS and JEAN REMACLE / Nutritional Status of Declining Spruce (Picea abies (L.) Karst.): Effect of Soil Organic Matter Turnover Rate 95 A. SCOTT DENNING, JILL BARON, M. ALISA MAST, and MARY ARTHUR / Hydrologic Pathways and Chemical Composition of Runoff during Snowmelt in Loch Vale Watershed, Rocky Mountain National Park, Colorado, USA 107 ROBERT E. STAUFFER/ Effects of Citrus Agriculture on Ridge Lakes in Central Florida 125 GORDON C. BALCH and ROGER JONES / Zinc in Plants, Sediments, Snow and Ice around a Galvanized Electrical Transmission Tower in a Beaver Pond 145 S. MANNINEN, S. HUTTUNEN, and H. TORVELA / Needle and Lichen Sulphur Analyses on Two Industrial Gradients 153 BJORN BERG, GUNNAR EKBOHM, BENGT SODERSTROM, and HAKAN STAAF / Reduction of Decomposition Rates of Scots Pine Needle Litter Due to Heavy-Metal Pollution 165 M. F. BILLETT, E. A. FITZPATRICK, and M. S. CRESSER / Long-Term Changes in the Cu, Pb, and Zn Content of Forest Soil Organic Horizons from North-East Scotland 179 ABHA GAUR and J. W. BHATTACHERJEE / Toxicity of Selected Chromium Compounds in Microbial Bioassay System 193 Announcements 199 Water, Air and Soil Polution 59: 401, 1991. Volume 59 Nos. 3/4 October 1991 NORMAN E. PETERS / Chloride Cycling in Two Forested Lake Watersheds in the West- Central Adirondack Mountains, New York, U.S.A. M. CHEVREUIL and L. GRANIER / Seasonal Cycle of Polychlorinated Biphenyls in the Waters of the Catchment Basin of the River Seine (France) CLAIRE L. CARLSON, DOMY C. ADRIANO, KENNETH S. SAJWAN, STEVEN L. ABELS, DAVID P. THOMA, and JOSEPH T. DRIVER / Effects of Selected Trace Metals on Germinating Seeds of Six Plant Species J. C.A GUNWAMBA / Dispersion Number Determination in Waste Stabilization Ponds V. RASIAH, R. P. VORONEY, and R. G. KACHANOSKI / Effect of N Amendment on C Mineralization of an Oily Waste A. R. ABDEL-MOATI / An Input/Output Flux for Lead in a Coastal Bay off Alexandria Region NOEL D. URI / Water Quality, Trend Detection, and Causality TATIANA MAYER and PHILIP G. MANNING / Evaluating Inputs of Heavy Metal Contaminants and Phosphorus to Lake Ontario from Hamilton Harbour J. C. AGUNWAMBA / Simplified Optimal Design of the Waste Stabilization Pond S. R. JOSHI, R. C. McCREA, B. S. SHUKLA, and J.-C. ROY / Partitioning and Transport of Lead-210 in the Ottawa River Watershed A. CLADERA, A. CARO, J. M. ESTELA, and V. CERDA / Automatic Determination of Calcium and Magnesium by Coulometric Titration K. B. PELIG-BA, C. A. BINEY, and L. A. ANTWI / Trace Metal Concentrations in Borehole Waters from the Upper Regions and the Accra Plains of Ghana D. V. ELLIS, R. SAMOSZYNSKI, and the late A. A. JONES / Re-Analysis of Species Associational Data Using Bootstrap Significance Tests JUDITH BENDER, JOSEPH P. GOULD, YUPHA VATCHARAPIJARN, and GAUTAM SAHA/ Uptake, Transformation and Fixation of Se(VI) by a Mixed Selenium-Tolerant Ecosystem |. NIRDOSH and R. M. OSTAFF / Thickening of a Starch Anaerobic Digester Effluent WUNCHENG WANG / Literature Review on Higher Plants for Toxicity Testing Volume Contents + —