1. A novel nonmetric multivariate approach to the evaluation of biomarkers in terrestrial field studies

   • A. Fairbrother
   • W.G. Landis
   • G.B. Matthews

   OriginalPaper Pages: 1 - 10

2. Resistance to lead and zinc in the western mosquitofish Gambusia affinis inhabiting contaminated Bayou Trepagnier

   • Paul L. Klerks
   • Sandra A. Lentz

   OriginalPaper Pages: 11 - 17

3. Integrated measures of ambient toxicity and fish community diversity in Chesapeake Bay tributaries

   • S. Ian Hartwell
   • Celia E. Dawson
   • John A. Magee

   OriginalPaper Pages: 19 - 35

4. Use of stable isotope ratios to distinguish sources of lead exposure in wild birds

   • A.M. Scheuhammer
   • D.M. Templeton

   OriginalPaper Pages: 37 - 42

5. Response of Azospirillum brasilense to the pesticides bromopropylate and methidathion on chemically defined media and dialysed-soil media

   • F. Gomez
   • V. Salmeron
   • J. Gonzalez-Lopez

   OriginalPaper Pages: 43 - 47

6. Ecotoxicity of 3,4-dichloroaniline in enclosed freshwater plankton communities at different nutrient levels

   • ROBBERT G. Jak
   • J.L. Maas
   • M.C.TH. Scholten

   OriginalPaper Pages: 49 - 60