Addresses several key questions regarding primates in fragments. Divided into 4 sections: Genetics and Population Dynamics, covering topics in viability, metapopulation and species that remain in remnant forests. Behavioural Ecology, covering feeding, ranging, and other behaviours that allow primates to remain in or disperse between fragments. Conservation and management, covering strategies for their long term viability. Integration and future directions, makes recommendations for future work in this field.