2 1 50 Malcolm A. Cooper Editor Antony Firth Editor John Carman Editor David Wheatley Editor mixed material London Routledge 1995 Managing Natural and Human Impacts Rick Stanley Additional Author Antony Firth Additional Author David Nutley Additional Author Ole Varmer Additional Author Pilar Luna E Additional Author Jerome Lynn Hall Additional Author Margaret E. Lesihikar-Denton Additional Author Javier Garcia Cano Additional Author John Gribble Additional Author Filipe Castro and Carlos Fitzgerald Additional Author R. James Ringer Additional Author Cosmos Coroneos Additional Author Donny L. Hamilton Additional Author Mark Staniforth Additional Author M. R. Manders Additional Author Andrew Viduka Additional Author Marc-Andre Bernier Additional Author Hans Van Tilburg Additional Author M. R, Manders Additional Author Manuel Izaguirre Additional Author Dolores Elkin Additional Author John D. Broadwater Additional Author Donald H. Keith Additional Author Fransisco J.S.Alves Additional Author Paul F. Johnston Additional Author Max Guerout and Robert Vaccella Additional Author mixed material 2006