Understanding the responses of wild animals to habitat and population management is issential for evaluation the effect of management programmes.   Our porjrcts inthis area include:

1. Nutritional ecology  of snub-nosed monkeys (Rhinopithecus roxellana) and the effect of suplimentary feeding on nutrient selection (Brigitte).
2. Do food items provided in the zoos meet the nutrian requirement of captive animals?-- spider monkeys as a model (Brigitte).
3. Effect of captivity on behavioural diversity using vocalisations of snub-nosed monkeys and spider monkeys (Ateles Geoffroyi) as models (Jon)