Chapter. 1.- Long-term hydrological research in the humid tropics.- Chapter. 2.- The forests of the Danum Valley Conservation Area.- Chapter. 3.

- The Danum hydrology project: origins, aims, context.- Chapter. 4.- The regional physiographical and land management context of the hydrology of Danum Valley.- Chapter. 5.- Rainfall and its interception by the forest.- Chapter.

6.- Overland flow.- Chapter. 7.- Infiltration, soil water and pipeflow.- Chapter. 8.- Origins of stream flow.

- Chapter. 9.- Sediment supply and movement on slopes.- Chapter. 10.- Water, sediment and solutes in channels.- Chapter. 11.

- Periodicity of Processes (Impact of extreme events: floods and drought).- Chapter. 12.- The lessons from the natural forest.- Chapter. 13.- The disturbance caused by logging.- Chapter.

14.- Impact of logging on interception and soil water.- Chapter. 15.- Changes to erosion rates and sediment yields during and after logging.- Chapter. 16.- Logging, stream flow, stream chemistry and sediment transport.

- Chapter. 17.- Extreme events and the dynamics of logged catchments.- Chapter. 18.- Conclusions on the impacts of logging at Danum.- Chapter. 19.

- Mitigating the effects of logging.- Chapter. 20.- The significance of hydrological and geomorphological processes for lowland tropical rainforest ecology.- Chapter. 21.- Conclusions from the Long-Term Ecological Research on hydrology at Danum.