1. Alteration in the neurotransmitter levels in the brain of the freshwater snakehead fish (Channa punctatus) exposed to carbofuran

   • Krishna Gopal
   • Muralidhar Ram

   Paper Pages: 1 - 4

2. The slider turtle as an environmental sentinel: multiple tissue assays using flow cytometric analysis

   • Trip Lamb
   • John W. Bickham
   • J. Whitfield Gibbons

   Paper Pages: 5 - 13

3. Organic pesticide modification of species interactions in annual plant communities

   • Thomas Pfleeger
   • Donald Zobel

   Paper Pages: 15 - 37

4. Sediment contamination and biological effects in a Chesapeake Bay marina

   • Beth L. McGee
   • Christian E. Schlekat
   • Terry L. Wade

   Paper Pages: 39 - 59

5. Ordination techniques for analysing response of biological communities to toxic stress in experimental ecosystems

   • René P. A. Van Wijngaarden
   • Paul J. Van Den Brink
   • Peter Leeuwangh

   Paper Pages: 61 - 77