1. Introduction

   • Daniel Demeyer
   • Oswald Van Cleemput

   EditorialNotes Pages: 1 - 2

2. Environmental impact of biomethanogenesis

   • David P. Chynoweth

   OriginalPaper Pages: 3 - 18

3. Metabolic regulation in methanogenic archaea during growth on hydrogen and CO₂

   • Jan T. Keltjens
   • Godfried D. Vogels

   Case Notes Pages: 19 - 37

4. Genetic and evolutionary constraints for the symbiosis between animals and methanogenic bacteria

   • Johannes H. P. Hackstein
   • Peter Langer
   • Jörg Rosenberg

   OriginalPaper Pages: 39 - 56

5. The rumen and hindgut as source of ruminant methanogenesis

   • Irmgard Immig

   OriginalPaper Pages: 57 - 72

6. Control of rumen methanogenesis

   • C. J. Van Nevel
   • D. I. Demeyer

   OriginalPaper Pages: 73 - 97

7. Methanogenesis in monogastric animals

   • Bent Borg Jensen

   OriginalPaper Pages: 99 - 112

8. Gastro-enteric methane versus sulphate and volatile fatty acid production

   • L. Nollet
   • W. Verstraete

   OriginalPaper Pages: 113 - 131

9. Estimates of animal methane emissions

   • Donald E. Johnson
   • Gerald M. Ward

   OriginalPaper Pages: 133 - 141

10. Methane emissions from natural wetlands

    • Zhengping Wang
    • Dong Zeng
    • William H. Patrick Jr.

    OriginalPaper Pages: 143 - 161

11. Fluxes and pools of methane in wetland rice soils with varying organic inputs

    • R. Wassmann
    • H. U. Neue
    • H. Rennenberg

    OriginalPaper Pages: 163 - 173

12. Methane fluxes in aerobic soils

    • K. W. T. Goulding
    • T. W. Willison
    • D. S. Powlson

    OriginalPaper Pages: 175 - 187

13. Flux estimates from soil methanogenesis and methanotrophy: Landfills, rice paddies, natural wetlands and aerobic soils

    • Pascal Boeckx
    • Oswald Van Cleemput

    OriginalPaper Pages: 189 - 207

14. Workshop conclusions

    Abstract Pages: 209 - 210