Animal indicators for side-effects of chemical vector control J. W. Everts Ecotoxicology Pages: 229 - 236
Bio-indicators and chemical pollution of surface waters W. SlooffD. De Zwart Ecotoxicology Pages: 237 - 245
Toxicological assessment of river water quality in bioassays with fish M. A. Van Der GaagJ. F. J. Van De KerkhoffC. L. M. Poels Ecotoxicology Pages: 247 - 255
Biological indicators of air pollution J. G. Ten Houten Indicator for the Quality of Air Pages: 257 - 261
Higher plants as indicators and accumulators of gaseous air pollution A. C. Posthumus Indicator for the Quality of Air Pages: 263 - 272
Problems in characterizing the ecological quality of soil in relation to human activities J. W. Vonk Indicator for the Quality of Soil Pages: 289 - 296
Bioindication of a surplus of heavy metals in terrestrial ecosystems W. H. O. ErnstJ. A. C. VerkleijR. Vooijs Indicator for the Quality of Soil Pages: 297 - 305
Soil fauna and soil microflora as possible indicators of soil pollution H. Eijsackers Indicator for the Quality of Soil Pages: 307 - 316
General remarks with regard to biological indicators used in water pollution studies J. Ringelberg Indicator For The Quality Of Water Pages: 317 - 319
The dynamics of dissolved oxygen concentration for water quality monitoring and assessment in polder ditches R. Veeningen Indicator For The Quality Of Water Pages: 321 - 330
Hydropsychidae as bio-indicators L. W. G. HiglerH. H. Tolkamp Indicator For The Quality Of Water Pages: 331 - 341
Zooplankton and its grazing as indicators of trophic status in Dutch lakes R. D. Gulati Indicator For The Quality Of Water Pages: 343 - 354
Bio-indicators and the quality of the Wadden Sea P. De Wolf Indicator For The Quality Of Water Pages: 355 - 367
Vegetation as an indicator of environmental changes Th. A. de Boer Indicator In Complex Systems Pages: 375 - 380
Taraxacum species as environmental indicators for grassland management P. Oosterveld Indicator In Complex Systems Pages: 381 - 389
Ecological indicator organisms for environmental protection policy J. G. Wessels Boer Concluding Remarks From A Political Viewpoint Pages: 399 - 403