Acknowledgements xix Organization of the United Nations within the framework of the global p roject ‘Mainstreaming Biodiversity Conservation and Sustainable Use for Human Nutrition and Well-being’. To the best of our knowledge, materials presented in this manual have been accurately referenced and sourced. Every effort has been made to ensure that the original source of copyright materials has been provided within the text. If any errors or omissions are noted, we would be pleased to rectify them.