Ecotoxicology of Soil Organisms: Seeking the Way in a Pitch Dark Labyrinth / H. Eijsackers -- The Pollution of Soils and Groundwater in the European Community / L.H.M. Kohsiek -- The Consequences of Bound Pesticide Residues in Soil / A. Calderbank -- Formation and Binding of Chlorinated Anilines to Soil Organic Matter / M. Mansour -- Soil Microorganisms of Global Importance to Consider Ecotoxicology in an Economical and Ecotoxicological Way / P. Doelman -- A Method For the Ecotoxicological Risk Analysis of Polluted Sediments by the Measurement of Microbial Activities / P. Van Beelen -- Biosensors For Pollution Monitoring and Toxicity Assessment / A. L. Atkinson -- The Effects of Heavy metal Contaminated Sewage Sludges on the Rhizobial Soil Population of an Agricultural Field Trial / J.P. Obbard -- Effects of Heavy Metals, Organic Substances, and Pesticides on Plants / J.A.C. Verkleij -- Phytotoxic Organic Compounds in Spruce Forest Soil: Chemical Analysis Combined With Seeding Bioassays / A. _B. Steen -- The Yorkshire Water Standard Plant Growth Trial for Toxicity Testing of Soils, Sludge, and Sediments / P.D. Hiley -- The Use of Barley Root Elongation in the Toxicity Testing of Sediments, Sludges, and Sewages / P.D. Hiley -- Accumulation of Putrescine in Chromium Exposed Barley and Rape: A Potential Biomarker in Higher Plants / M.Z. Hauschild -- Ecotoxicological Test Systems For Terrestrial Invertebrates / C.A.M. Van Gestel -- Comparison of Effects of Two Pesticides on Soil Organisms in Laboratory Tests, Microcosms, and in the Field / J. Rombke -- Species- specific Sensitivity Differences of Earthworms to Pesticides in Laboratory Tests / H. Kula -- Usefulness of Testing With Eisenia foetida For the Evaluation of Agrochemicals in Soils / G. Diaz Lopez -- A Prolonged Laboratory Test on Sublethal Effects of Pesticides on Eisenia fetida / C. Kokta -- The development of Soil Toxicity Test Systems With Lumbricids to assess Sublethal and Lethal Effects / W. Kratz -- Assessment of Pesticide Safety to the Carabid Beetle, Poecilus cupricus, Using Two Different Semi-Field Enclosures / U. Heimbach -- An Index of the Intrinsic Susceptibility of Nontarget Invertebrates to Residual Deposits of Pesticides / J. A. Wiles -- Effects of Different Input of Pesticides and Fertilizers on the Abundance of Arthropods in a Sugar Beet Crop: An Example For a Long Term Risk Assessment in the Field / W. Buchs -- Effects of Walking Activity and Physical Factors on the Short-Term Toxicity of Deltamethrin Spraying in Adult Epigeal Money Spiders (Linyphiidae) / G. Jagers op Akkerhuis -- Bait-lamina as a Tool For Testing Feeding Activity of Animals in Contaminated Soils / O. Larink -- Uptake, Assimilation, and Ligand Binding of Cadium and Zinc in Helix pomatia After Combined Exposure to Both metals / B. Berger -- Methodological Principles of Using Small Mammals For Ecological Hazard Assessment of Chemical Soil Pollution, With Examples on Cadmium and Lead / W.Ma -- Heavy Metal Tissue Levels, Impact on Breeding and Nestling Development in Natural Populations of Pied Flycatcher (Aves) in the Pollution Gradient From a Smelter / N.E.I Nyholm -- A Method to Assess Biorisks in Terrestrial Ecosystems -- A. M. Abdul Rida -- Progressing Limits For Soil Ecotoxicological Risk Assessment / N.M. Van Straalen -- Ecotoxicological Extrapolation: Tool or Toy? / H. Lokke -- A Case Study on Bioindication and Its Use For the Assessment of Ecological Impact / H. H. Koehler -- On the Effects of Pesticides at the Ecosystem Level / K. Mathes.