Heavy metals in freshwater snails of Kuala Klawang's rice field, Negeri Sembilan, Malaysia A. Ismail OriginalPaper Pages: 187 - 191
Electrostatic precipitation in atmospheric aerosols Muthana A. M. Jamel OriginalPaper Pages: 193 - 200
A shortened algal growth potential test Donald A. SchultzRonald L. RaschkeRoxanne Jones OriginalPaper Pages: 201 - 205
Factor analysis of trace-element data from tree-bark samples in The Netherlands P. KuikH. Th. Wolterbeek OriginalPaper Pages: 207 - 226
Risk assessment for salmon from water quality changes following timber harvesting J. D. StednickT. J. Kern OriginalPaper Pages: 227 - 238
Mercury accumulation in sediment and fish from rivers affected by alluvial gold mining in the Brazilian Madeira River basin, Amazon Rudolf Reuther OriginalPaper Pages: 239 - 258
In-situ measurement of photosynthetic oxygen production in the water column Donat-P. HäderJochen Schäfer OriginalPaper Pages: 259 - 268
Use of cluster and principal component analyses to profile areas in California where ground water has been contaminated by pesticides John TroianoBruce R. JohnsonSteve Schoenig OriginalPaper Pages: 269 - 288