Table Of Content

CONTENTS OF VOLUME 29 Volume 29 No.1 January 1994 ALEXANDRA E. BOEKHOLD and SJOERD E. A. T. M. VAN DER ZEE / Field Scale Variability of Cadmium and Zinc in Soil and Barley STEFANO LOPPI, FABRIZIO CHITI, ADELMO CORSINI, and LUCA BERNARDI / Lichen Biomonitoring of Trace Metals in the Pistoia Area (Central Northern Italy) VIRENDRA MISRA, FARHAT N. JAFFERY, and P. N. VISWANATHAN / Risk Assessment of Water Pollutants WOJCIECH MNISZEK, JACEK WYPYCH, and URSZULA ZIELONKA / Determination of Elemental Carbon Emission LEONARDO LAVANDEROS, HERNAN VILLAGRAN, and HERMAN MUHLHAUSER / Temporal and Spatial Changes in Primary Biomass as a Diagnosis and Prognosis in Environmental Impact (Rapel Reservoir, Central Chile) JORGE EDUARDO MARCOVECCHIO / Trace Metal Residues in Tissues of Two Crustacean Species from the Bahia Blanca Estuary, Argentina V. K. SHARMA and R. S. PATIL / Chemical Mass Balance Model for Source Apportion- ment of Aerosols in Bombay POONAM GARG and PRAKASH CHANDRA / The Duckweed Wolffia Globosa as an Indicator of Heavy Metal Pollution: Sensitivity to CR and CD Book Reviews: Monitoring Genetically Manipulated Microorganisms in the Environment (LINDA D. STETZENBACH) Tardiff, Robert G. (Ed.), Methods to Assess Adverse Effects of Pesticides on Non- Target Organisms (JOHN A. SANTOLUCITO) DaSilva, E.J., C. Ratledge and A. Sasson (Eds.), Biotechnology: Economic and Social Aspects: Issues for Developing Countries (JOHN A. SANTOLUCITO) Volume 29 No.2 January 1994 WUNCHENG WANG /R ice Seed Toxicity Tests for Organic and Inorganic Substances J.B. LATOUR and R. REILING / Comparative Environmental Threat Analysis: Three Case Studies STEVEN P. FERRARO, RICHARD C. SWARTZ, FAITH A. COLE and WALDEMAR A. DEBEN / Optimum Macrobenthic Sampling Protocol for Detecting Pollution Impacts in the Southern California Bight P. T. E. OZOH / The Effect of Salinity, Temperature and Time on the Accumulation and Depuration of Copper in Ragworm, Hediste (Nereis) Diversicolor (O.F. Muller) R. FRANK, B. D. RIPLEY, W. LAMPMAN, D. MORROW, H. COLLINS, G. R. GAM- MOND, and P. MCCUBBIN / Comparative Spray Drift Studies of Aerial and Ground Applications 1983-1985 C. BARCELLOS and L. D. LACERDA / Cadmium and Zinc Source Assessment in the Sepetiba Bay and Basin Region Environmental Monitoring and Assessment 29: 295-296, 1994. CONTENTS OF VOLUME 29 Volume 29 No.3 February 1994 MICHAEL KOHL, JOHN L. INNES, and EDGAR KAUFMANN / Reliability of Differing Densities of Sample Grids Used for the Monitoring of Forest Condition in Europe V. M. ARTYOMOV, E. M. ARTYOMOV, and SH. D. FRIDMAN / Ammonia Uptake by Plants D. V. CHIP WESELOH, PETER J. EWINS, JOHN STRUGER, PIERRE MINEAU, and ROSS J. NORSTROM / Geographical Distribution of Organochlorine Con- taminants and Reproductive Parameters in Herring Gulls on Lake Superior in 1983 RENE COVARRUBIAS / Notes on the Dynamics and Decomposition of Leaves in a Nothofagus pumilio Forest CHARLES J. HENNY, LAWRENCE J. BLUS, DAVID J. HOFFMAN, and ROBERT A. GROVE / Lead in Hawks, Falcons and Owls Downstream from a Mining Site on the Coeur d’ Alene River, Idaho Announcement Information for Authors Author Index of Volume 29 Contents of Volume 29