By Alan Weisman
By Paul Giller
By Konrad Dettner, Gerhard Bauer, Wolfgang Volkl
By J. Philip Grime
By Keith Kirby (Oxford University, UK), Charles Watkins (School of Geography, University of Nottingham
By Vernon Ahmadjian, Surindar Paracer, Lynn Margulis
By Kerry F. Harris (Texas A&M University, College Station, U.S.A.), Oney P. Smith (Hood College, Frederick, Maryland, James E. Duffus (United States Department of Agriculture, Salinas, California)
By Christopher Rootes
By Paul Micklethwaite
By Mcgregor, James H. S.
By M. Naseem
By J. Herbst
By Eric R. Pianka
By Michael L. Morrison, Bruce Marcot, William Mannan
By H. Herring
By R. Sollund
By R. Usher
By D. Elliott
By F. Gale, Marcus Haward
By C. Myers
By S. Wiborg
By Michael J. Watts
By Bobbie Kalman
By Tom Griffiths, Libby Robin
By H. Jeong
By Howard Margolis
By Steven Bernstein
By G. Jordan
By Peter Roberts