1. The joint effect of oil and drilling agents on some invertebrate species of the Caspian Sea

   • A. G. Kasymov
   • E. E. Velikhanov

   OriginalPaper Pages: 1 - 11

2. A simple passive sampler for measuring ammonia emission in the field

   • J. K. Schjoerring
   • S. G. Sommer
   • M. Ferm

   OriginalPaper Pages: 13 - 24

3. Comparison of selenomethionine and selenite cycling in freshwater experimental ponds

   • R. V. Graham
   • B. G. Blaylock
   • M. L. Frank

   OriginalPaper Pages: 25 - 42

4. Mercury in Baltic and North Sea waters

   • Diether Schmidt

   OriginalPaper Pages: 43 - 55

5. Alkalinity regulation in maine headwater lakes: Terrestrial vs. lacustrine contributions in summer

   • Robert E. Stauffer
   • Bruce D. Wittchen

   OriginalPaper Pages: 57 - 73

6. Algal microfossils provide high temporal resolution of environmental trends

   • Aruna S. Dixit
   • Sushil S. Dixit
   • John P. Smol

   OriginalPaper Pages: 75 - 87

7. Trend detection in water quality time series of LRTAP-Quebec network lakes

   • A. Bouchard
   • J. Haemmerli

   OriginalPaper Pages: 89 - 110

8. Speciation of copper in soil solutions from podzols and cambisols of S. Sweden

   • Dan Berggren

   OriginalPaper Pages: 111 - 123

9. Speciation and mobilization of aluminium and cadmium in podzols and cambisols of S. Sweden

   • Dan Berggren

   OriginalPaper Pages: 125 - 156

10. Influence of electrolytes on EDTA extraction of Pb from polluted soil

    • G. A. Brown
    • H. A. Elliott

    OriginalPaper Pages: 157 - 165

11. Sources and behavior of anthropogenic radionuclides in the Ottawa river waters

    • S. R. Joshi
    • R. C. McCrea

    OriginalPaper Pages: 167 - 184