Principles of conservation biology 3rd edition martha j groom gary k meffe c ronald carroll 2006 sinauer associates sunderland ma. Principles of conservation biology third edition features a wholly revised organization emphasizing analyses of different categories of threat and approaches to conservationcoverage has been expanded to incorporate both terrestrial and marine conservation issues and efforts in the us and across the globe. Principles of conservation biology third edition features a wholly revised organization emphasizing analyses of different categories of threat and approaches to conservation coverage has been expanded to incorporate both terrestrial and marine conservation issues and efforts in the us and across the globe. Principles of conservation biology third edition features a wholly revised organization emphasizing analyses of different categories of threat and approaches to conservation coverage has been expanded to incorporate both terrestrial and marine conservation issues and efforts in the us and across the globe. Principles of conservation biology third edition is a complete revision of the most comprehensive textbook on conservation biology first published in 1994 the book is richly praised by reviewers teachers and students alike written by leading experts in the field it is intended for use in conservation biology courses at the advanced undergraduate and graduate levels as well as by