Leaching of nitrogen from a forest catchment at söder»sen in southern Sweden Gunnar WiklanderGertrud NordlanderRune Andersson OriginalPaper Pages: 263 - 282
Mercury dispersal in water, sediments and aquatic biota of a gold mining tailing deposit drainage in pocone, Brazil L. D. LacerdaW. C. PfeifferW. R. Bastos OriginalPaper Pages: 283 - 294
Response of freshwater algae (Scenedesmus spp.) to phenylurea herbicides M. A. El-DibSalwa A. ShehataHoda F. Abou-Waly OriginalPaper Pages: 295 - 303
Natural radionuclides in a tropical river subjected to pollution A. C. PaulK. C. Pillai OriginalPaper Pages: 305 - 319
Phosphorus loads from peaty polders in the SW Frisian lake District, The Netherlands Harry J. W. J. Van Huet OriginalPaper Pages: 321 - 335
Variabilité spatio-temporelle de l'aluminium chez l'epinette noire (Picea mariana) J. ZayedP. AndréG. Kennedy OriginalPaper Pages: 337 - 344
Liming acid streams: Aluminium toxicity to fish in mixing zones N. S. WeatherleyG. P. RuttS. J. Ormerod OriginalPaper Pages: 345 - 353
Measuring the costs of improving the quality of the environment in the United States Roy BoydNoel D. Uri OriginalPaper Pages: 355 - 377
Comparative availability to wheat of metals from sewage sludge and inorganic salts W. TadesseJ. W. ShufordK. S. Sajwan OriginalPaper Pages: 397 - 408
Residual metal reactivity of humic acids extracted, from soil amended with sewage sludge Nicola SenesiGarrison SpositoKenneth M. Holtzclaw OriginalPaper Pages: 409 - 425
Pollutant loadings from solvay waste beds to lower Ninemile Creek, New York Steven W. EfflerCarol M. BrooksBruce A. Wagner OriginalPaper Pages: 427 - 444
Long term monitoring of amphibian populations with respect to the effects of acidic deposition Joseph FredaWalter J. SadinskiWilliam A. Dunson OriginalPaper Pages: 445 - 462