Environmental Pollution (Series A) 32 (1983) 317-319
C O N T E N T S O F V O L U M E 32
Number 1, 1983
The Influence of Transient Temperature Changes on the Biodegradation of Nitrilotriacetic Acid in the Activated Sludge Process: A Pilot Plant Study T. STEPHEN'SONI J. lq. LESTI~R and R. PERRY '(Great Britain) Interaction Between SO 2 and NO 2 and Their Effects on Photosynthetic Properties of Soybean Glycine max ROGER W. CARLSON (USA) Digestibilit~ des Hydrocarbures Satur& Chez la Truite J. P. CRAVEDI, J. TULLIEZ, G. CHOUBERT and (France)
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LUQUET
Factors Affecting the Fate and Behaviour of Toxic Elements in the Activated Sludge Process . SIMON KEMPTON, R()BEI~T MI STERRI'i'T and JOHN N. LESTER (Great Britain)
51
Number 2, 1983
Chemical Characteristics and Acute Toxicity of Sequentially Extracted Water-Soluble Fractions of a Coal Liquid R. H. GRAY, R. M. BEAN, D. D. bAUBLE and'W. E. FALLON (USA) Effects of Ozone and Sulphur Dioxide on Injury and Foliar Concentrations of Sulphur and Chlorophyll in Soybean Glycine max . . . . GREGORY C. PRATT, KATHRYN W. KROMROY and SAGAR V. KRUPA (USA) The Non-Specificity of PAN Symptoms on Tomato Foliage TIMOTHY LEWIS and EILEEN BRENNAN (USA)
Kestrel Predatory Behaviour Under Chronic Low-Level Exposure to DDE SERI GI RUDOLPH, DANIEL W. ANDERSON and ROBERT W. RISEBROUGH (USA)
121
Productivity of Perennial Ryegrass as a Function of Precipitation Acidity J. S." AMTHOR and F. I~I. BORMANN'(USA)
137
Toxicity of the Pesticides Hexachlorocyclohexane and Benomyl to Nitrifying Bacteria in Flooded Autoclaved Soil and in Culture Media RAMESH C, RAY (India)
147
Number 3, 1983
Effect of Rural Highway Runoff on Stream Benthic Macroinvertebrates MICHAEL E. SMITH and JERRY L. KASTER (USA)
157
Alternation in Mineral Accumulation Pattern of Triticum aestivum L. Exposed to Particulate Pollution S. N. SINGH (India)
171
Phytotoxicological Effects of Di-(2-Ethyl Hexyl)-Phthalate and Di-nButyl-Phthalate on Higher Plants in Laboratory and Field Experiments HANS LOKKE and LENNART RASMUSSEN (Denmark)
179
Comparative Studies on the Absorption of Cadmium and Copper in Lemna 201
paucicostata
YUTAKA NA'SU, M A M o R u KU'GIMOTOI OS/~MU" TANAKA and ATSUSHI TAKIMOTO (Japan) Relationships of Environmental Contaminants to Reproductive Success in Red-Breasted Mergansers Mergus serrator from Lake Michigan G. H. HEINZ, S. D. HASELTINE, W. L. REICHEL and G. L. HENSLER (USA)
211
Yield Response of Red Kidney Bean Phaseolus vulgaris to Incremental Ozone Concentrations in the Field ROBERT KOHUT and J. A. LAURENCE (USA)
233
Announcement .
241
Number 4, 1983
The Effects of Impoundment on the Downstream Macroinvertebrate Riffle Fauna of the River Elan, Mid-Wales R. J. INVERARITY, G. D. ROSEHILL and M. P. "BRO'OKER (Great Britain)
245
Contents of Volume 32 The Ecology of Running Waters Near Aberfeldy, Scotland, in Relation to a Proposed Barytes Mine: An Impact Assessment B. D. SMITH, A. A. LYLE and P. S. M A I T L A N D (Great Britain) Observations on the Effect of Outboard Motor Fuel Oil on Phytoplankton Cultures T. HILMER and G. C. BATE (South Africa)