1. Observed Differences in Life History Characteristics of Nematodes Aphelenchus and Acrobeloides upon Exposure to Copper and Benzo(a)pyrene

   • Fafeng Li
   • Deborah A. Neher
   • Thomas R. Weicht

   OriginalPaper Pages: 419 - 429

2. Methyl Parathion Modifies Foraging Behaviour in Honeybees (Apis mellifera)

   • David Guez
   • Shao-Wu Zhang
   • Mandyam V. Srinivasan

   OriginalPaper Pages: 431 - 437

3. Effects of Exposure to a Mixture of Cadmium and Chromium on Detoxification Enzyme (GST, P450-MO) Activities in the Frog Rana ridibunda

   • Iason Kostaropoulos
   • Dimitra Kalmanti
   • Nikolaos S. Loumbourdis

   OriginalPaper Pages: 439 - 447

4. Multiple Biomarker Comparison in Mytilus galloprovincialis from the Greece Coast: “Lysosomal Membrane Stability, Neutral Red Retention, Micronucleus Frequency and Stress on Stress”

   • N. Koukouzika
   • V. K. Dimitriadis

   OriginalPaper Pages: 449 - 463

5. Metal Concentrations in the Radula of the Common Limpet, Patella vulgata L., from 10 Sites in the UK

   • Mark S. Davies
   • Donna J. Proudlock
   • A. Mistry

   OriginalPaper Pages: 465 - 475

6. Effects of Three Organic Wastewater Contaminants on American Toad, Bufo americanus, Tadpoles

   • Geoffrey R Smith
   • Amber A Burgett

   OriginalPaper Pages: 477 - 482

7. Insecticides and Arable Weeds: Effects on Germination and Seedling Growth

   • M. E. Hanley
   • M. D. Whiting

   OriginalPaper Pages: 483 - 490