1. Factors controlling bacterial production in marine and freshwater sediments

   • Bettina C. Sander
   • Jacob Kalff

   OriginalPaper Pages: 79 - 99

2. Field relationships between scytonemin density, growth, and irradiance in cyanobacteria occurring in low illumination regimes

   • Allan Pentecost

   OriginalPaper Pages: 101 - 110

3. Channeling of bacterioplanktonic production toward phagotrophic flagellates and ciliates under different seasonal conditions in a river

   • Juan Iriberri
   • Begoña Ayo
   • Luis Egea

   OriginalPaper Pages: 111 - 124

4. Aerobic microorganisms associated with alfalfa leafcutter bees (megachile rotundata)

   • G. Douglas Inglis
   • Lynne Sigler
   • Mark S. Goette

   OriginalPaper Pages: 125 - 143

5. Characterization of the microbiology within a 21 m³section of rock from the deep subsurface

   • Dana L. Haldeman
   • Penny S. Amy
   • David C. White

   OriginalPaper Pages: 145 - 159

6. Characterization of chemoheterotrophic bacteria associated with the in situ bioremediation of a waste-oil contaminated site

   • Peter Kämpfer
   • Martin Steiof
   • Wolfgang Dott

   OriginalPaper Pages: 161 - 188