Heavy Metal Concentrations in the Liver of Three Duck Species: Influence of Species and Sex M I C H A E L G O C H F E L D and J O A N N A B U R G E R (USA) The Effects of Intermittent Exposure to Suspended Solids and Turbulence on Three Species of Freshwater Mussels DAVID W. A L D R I D G E , BARRY S. PAYNE and A N D R E W C. M I L L E R (USA)
17
Effects of Ambient Levels of Air Pollution on Grass Swards Subjected to Different Defoliation Regimes T. W. A S H E N D E N (Great Britain)
29
Nitrification and Urea Hydrolysis in Deciduous Woodland Soils from a Site Exposed to Heavy Atmospheric Pollution W E N D Y NEVELL and M. W A I N W R I G H T (Great Britain)
49
The Fate of Some Components of Acidic Deposition in Ombrotrophic Mires S. J. W O O D I N and J. A. LEE (Great Britain)
61
Animals Need Not be Killed to Reveal Their Body-burdens of Chlorinated Hydrocarbons PER LARSSON and A N N A L I N D E G R E N (Sweden)
73
Book Review
79 Number 2
Autoradiographic Studies of Ethylenediurea Distribution in Woody Plants 81 B. R. ROBERTS, L. R. WILSON, J. J. CASCINO and G. P. SMITH (USA) 315 Environ. Pollut. (45) (1987)--O Elsevier Applied Science Publishers Ltd, England, 1987. Printed in Great Britain
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Contents of Volume 45
The Effect of Hydrological Factors on Trace Metal Contamination in the River Tawe, South Wales S. C. BIRD (Great Britain) Spectrophotometric Determination of Sulphur Dioxide D. C. PARASHAR, V. R A M A N and M. SINGH (India)
87
125
Transferrin, Haematological Indices and Liver Glycogen in Field Mice Collected from a Coal Mining Area and a Control Site in Poland A N N A DOBROWOLSKA and M A L G O R Z A T A KOMOSA (Poland)
133
Physiological Effects of Metal Toxicity on the Tropical Freshwater Shrimp Macrobrachium carcinus (Linneo, 1758) M A N U E L C O R R E A (Venezuela)
149
Announcements
157 Number 3
The Influence of Inputs to the Firth of Forth on the Concentations of Trace Metals in Coastal Waters. P. W. BALLS and G. TOPPING (Great Britain) Genetic Adaptation to Heavy Metals in Aquatic Organisms: A Review PAUL L. K L E R K S and J U D I T H S. WEIS (USA) Exposure to Insecticides of Brushland Wildlife within the Lower Rio Grande Valley, Texas, USA THOMAS W. C U S T E R and CHRISTINE A. MITCHELL (USA)
159
173
207
Biologically Based Water Quality Management . C. A. EXTENCE, A. J. BATES, W. J. FORBES and P. J. B A R H A M (Great Britain)
221
Book Reviews
237 Number 4
Physico-Chemical Treatments for the Complete Removal of Non-ionic Surfactants from Effluents H O W A R D W E I N B E R G and NAVA N A R K I S (Israel) Effects of pH and Feeding Regime on Methylmercury Accumulation within Aquatic Microcosms DAVID W. RODGERS, T. A. WATSON, J. S. L A N G A N and T. J. W H E A T O N (Canada) Chemical and Ecological Effects of a Pennine Peat-Slide C. P. McCAHON, P. A. C A R L I N G and D. PASCOE (Great Britain)
245
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Contents of Volume 45 The Fate of Metal Contaminated Sediments in Foundry Cove, New York. AMY B. KNUTSON, PAUL L. KLERKS and JEFFREY S. LEVINTON (USA) Pyrolysing Insecticidal Coils: Air Pollution by Polycyclic Aromatic Hydrocarbons and Other Mutagens Detected by the Salmonella/Microsome Test GEORGIOS LAZARIDIS and GORAN LOFROTH (Sweden)