1. Effects of ECF-Bleached Kraft Mill Effluent on Reproductive Steroids and Liver MFO Activity in Populations of Perch and Roach

   • Aarno E. Karels
   • Markus Soimasuo
   • Aimo O.J. Oikari

   OriginalPaper Pages: 123 - 132

2. Effect of Extended Storage Time on the Toxicity of Sediment-Associated Cadmium on Midge Larvae (Chironomus tentans)

   • Boonsueb Sae-Ma
   • Peter G. Meier
   • Peter F. Landrum

   OriginalPaper Pages: 133 - 139

3. Allozymes Reflect the Population-Level Effect of Mercury: Simulations of the Mosquitofish (Gambusia holbrooki Girard) GPI-2 Response

   • Michael C. Newman
   • Rosemary H. Jagoe

   OriginalPaper Pages: 141 - 150

4. Interclonal Variation in Response to Simazine Stress in Lemna gibba (Lemnaceae)

   • N. Mazzeo
   • B. Dardano
   • A. Marticorena

   OriginalPaper Pages: 151 - 160

5. Effects of Copper on Macrobenthic Assemblages in Soft Sediments: A Laboratory Experimental Study

   • Jonathan S. Stark

   OriginalPaper Pages: 161 - 173

6. Blood Lead Concentrations of Spectacled Eiders Near the Kashunuk River, Yukon Delta National Wildlife Refuge, Alaska

   • J. Christian Franson
   • Margaret R. Petersen
   • Milton R. Smith

   OriginalPaper Pages: 175 - 181

7. Book Reviews

   • David B. Peakall
   • Jason M. Weeks

   BookReview Pages: 183 - 184