David G. RaffaelliDavid G. Raffaelli is Director of the UK's NERC Centre, UKPopNet. He has written extensively on aspects of ecosystem ecology, especially food webs and integrated catchment ecology, and more recently has become extensively involved with the ecosystem ervices approach to the management of natural resources within the UK and Europe through his work with DIVERSITAS, UKBRAG, the Royal Society's Global Environment Research Committee, DEFRA and the BES. Read More Read Less