1. A between-river comparison of extracellular-enzyme activity

   • K. R. Chappell
   • R. Goulder

   OriginalPaper Pages: 1 - 17

2. Ecophysiology of stromatolitic microbial mats, Stocking Island, exuma cays, Bahamas

   • J. Pinckney
   • H. W. Paerl
   • B. Bebout

   OriginalPaper Pages: 19 - 37

3. Recovery of bdellovibrios from submerged surfaces and other aquatic habitats

   • H. N. Williams
   • A. J. Schoeffield
   • W. A. Falkler Jr.

   OriginalPaper Pages: 39 - 48

4. Flow cytometric measurements of cell volumes and DNA contents during culture of indigenous soil bacteria

   • H. Christensen
   • R. A. Olsen
   • L. R. Bakken

   OriginalPaper Pages: 49 - 62

5. [³H]Leucine incorporation methodology to estimate epiphytic bacterial biomass production

   • S. M. Thomaz
   • R. G. Wetzel

   OriginalPaper Pages: 63 - 70

6. Ecology of stem-nodulating Rhizobium and Azorhizobium in four vegetation zones of Senegal

   • B. K. Robertson
   • B. Dreyfus
   • M. Alexander

   OriginalPaper Pages: 71 - 81

7. Role of autotrophic nitrifiers in biological manganese removal from groundwater containing manganese and ammonium

   • J. Vandenabeele
   • M. Vande Woestyne
   • W. Verstraete

   OriginalPaper Pages: 83 - 98

8. Azospirillum strains use phenolic compounds as intermediates for electron transfer under oxygen-limiting conditions

   • A. Barkovskii
   • M. -L. Bouillant
   • J. Balandreau

   OriginalPaper Pages: 99 - 114