Humic substances and humification rate in a municipal refuse disposed of in a landfill O. CastagnoliL. MusmeciM. Chirico OriginalPaper Pages: 1 - 12
A case study of forest decline in Western Canada and the adjacent United States Allan N. D. AuclairHans C. MartinSherry L. Walker OriginalPaper Pages: 13 - 31
Information measures for acid precipitation networks John DonaldEdward Mcbean OriginalPaper Pages: 33 - 52
Buffer capacity and lead retention in some clay materials Raymond N. YongBenno P. WarkentinRosa Galvez OriginalPaper Pages: 53 - 67
A field study on factors influencing Cd levels in soils and in grain of oats and winter wheat Jan E. Eriksson OriginalPaper Pages: 69 - 81
Atmospheric deposition to grassland canopies: Lysimeter budgets discriminating between interception deposition, mineral weathering and mineralization D. Van DamG. W. HeilB. Heijne OriginalPaper Pages: 83 - 101
Isolation of amoebae of the genera Naegleria and Acanthamoeba from public fountains in Galicia (N.W. Spain) Esperanza Paniagua CrespoMargarita Marti MallenMa Pilar Combarro Combarro OriginalPaper Pages: 103 - 111
Toxicity (EC50) comparisons of some animal wastes Gian GuptaPeter Kelly OriginalPaper Pages: 113 - 117
Accumulation and leaching of the fungicide fentin acetate and intermediates in sandy soils J. P. G. LochP. A. GreveS. van der Berg OriginalPaper Pages: 119 - 129
Influence of thermal power station effluents on hydrobiology of seawater B. SubramanianS. K. PrabuA. Mahadevan OriginalPaper Pages: 131 - 137
Adsorption of quaternary ammonium surfactants on Fuller's earth T. MangialardiA. E. Paolini OriginalPaper Pages: 139 - 150
Patterns of trace metal concentration and acidity in montane forest soils of the northeastern United States Graham T. HerrickAndrew J. Friedland OriginalPaper Pages: 151 - 157
Arsenic resistant microorganisms isolated from agricultural drainage water and evaporation pond sediments K. Davis HuysmansW. T. Frankenberger Jr OriginalPaper Pages: 159 - 168
Effect of the chemical composition of industrial dusts on forest floor organic matter accumulation Władysław GrodzińskiJan GresztaAnna Rożen OriginalPaper Pages: 169 - 178
A comparative study of mercury distribution on the aeolian volcanoes, vulcano and stromboli C. BarghigianiR. BargagliS. M. Siegel OriginalPaper Pages: 179 - 188
Temporal changes in metal levels of the lichens Parmotrema praesorediosum and Ramalina stenospora, Southwest Louisiana Dorothy A. WaltherGerald J. RamelowMichael F. Maroon OriginalPaper Pages: 189 - 200