1. The acoustic climate of plant communities

   • H. F. Linskens
   • M. J. M. Martens
   • A. M. J. Strik-Jansen

   OriginalPaper Pages: 165 - 177

2. Synchronous growth of a freshwater diatom Melosira italica under natural environment

   • Nobutada Nakamoto
   • Marcos A. Marins
   • José G. Tundisi

   OriginalPaper Pages: 179 - 184

3. Short-term and circadian rhythms in the behaviour of the vole, Microtus agrestis (L.)

   • Ulrich Lehmann

   OriginalPaper Pages: 185 - 199

4. The influence of sublethal concentrations of sulfur dioxide on morphology, growth and product yield of the duckweed Lemna minor L.

   • H. Fankhauser
   • Chr. Brunold
   • K. H. Erismann

   OriginalPaper Pages: 201 - 209

5. The influence of weed-cover on the mortality imposed on artificial prey by predatory ground beetles in cereal fields

   • M. R. Speight
   • J. H. Lawton

   OriginalPaper Pages: 211 - 223

6. Burrowing, feeding, egestion and energy budgets of Allolobophora rosea (Savigny) (Lumbricidae)

   • P. J. Bolton
   • J. Phillipson

   OriginalPaper Pages: 225 - 245

7. Factors influencing leaf vein selection in the lime aphid (Eucallipterus tiliae L.)

   • N. A. C. Kidd

   OriginalPaper Pages: 247 - 254