The kinetics of extraction of soil-applied metoxuron by methanol and its biological implications Saroja RamanP. Chandrasekhar Rao OriginalPaper Pages: 217 - 222
Throughfall of plant nutrients in relation to crown thinning in a swedish coniferous forest Ingemar AlenäsLena Skärby OriginalPaper Pages: 223 - 237
A survey of vehicular lead deposition in a woodland ecosystem Lynda KingstonStephen LeharneEuan McPhee OriginalPaper Pages: 239 - 250
Effect of heavy metals on growth population of a fecal coliform bacterium Escherichia coli in aquatic environment Sasadhar JanaDinen N. Bhattacharya OriginalPaper Pages: 251 - 254
Comparison of the standard and direct-mpn methods for faecal coliform enumeration in some Nigerian waters M. T. Ogan OriginalPaper Pages: 255 - 262
Some features of a bloom of Oscillatoria rubescens D.C. registered in two italian reservoirs Alberto LoizzoNicola SechiAntonio Contu OriginalPaper Pages: 263 - 271
Chemistry of precipitation near a limestone building E. RoekensZ. KomyR. Van Grieken OriginalPaper Pages: 273 - 282
Physiology of phytoplankton in relation to metal concentration Effect of cadmium on Scenedesmus bijugatus and Nitzschia palea K. S. SathyaK. P. Balakrishnan OriginalPaper Pages: 283 - 297
The effects of PCB's (Aroclors 1254 and 1016) on fertilization and morphology in Arbacia punctulata James A. AdamsSabrina Slaughter-Williams OriginalPaper Pages: 299 - 310
Heavy metals in the lichen Ramalina duriaei transplanted at biomonitoring stations in the region of a coal-fired power plant in Israel after 3 years of operation Jacob GartyJürgen Hagemeyer OriginalPaper Pages: 311 - 323
Concentration and size distribution of airborne particles in a broiler house Gian GuptaRavinder SandhuArslan Khan OriginalPaper Pages: 325 - 332
The role of air bubbles in the desorption of ammonia from landfill leachates in high pH aerated lagoon Paul. G. SmithFaxz. K. Arab OriginalPaper Pages: 333 - 343
Chemical deposition to a high elevation red spruce forest Stephen F. MuellerFrances P. Weatherford OriginalPaper Pages: 345 - 363
Application of an efficient nonlinear regression technique for sewer cost modelling S. L. Ong OriginalPaper Pages: 365 - 377
Effect of simulated acid rain on nitrogenase activity in the lichen genus peltigera under field and laboratory conditions Andrew J. Gunther OriginalPaper Pages: 379 - 385
Weathering of primary silicate minerals in the natural soil environment in relation to a chemical weathering model H. SverdrupP. Warfvinge OriginalPaper Pages: 387 - 408
Boron content in freshwaters of Northern Italy Gianni TartariMarina Camusso OriginalPaper Pages: 409 - 417