1. Introduction -- 2. Brief description of the pulp and paper making process -- 3. Tree improvement -- 4. Biodebarking -- 5. Biodepitching -- 6. Bioretting -- 7. Biopulping -- 8. Biobleaching -- 9. Biodeinking -- 01. Fiber modification -- 11. Removal of shives -- 21. Production of dissolving-grade pulp -- 31. Biological treatment of pulp and paper mill effluents -- 41. Slime control -- 51. Stickies control -- 61. Enzymatic modification of starch for surface sizing -- 71. Biofiltration of odorous gases -- 81. Management/utilization of wastewater treatment sludges -- 91. Integrated forest biorefinery