By Bright, M
By Chris Saltmarsh
By Smith, B. J., Phillips, G M, Sweeney, M
By Agosta, WILLIAM
By Le Page, Rosenn
By Cowie, Jonathan
By Collins
By Jarman, Melanie
By Waddington, Paul
By Charles C. Mann
By Burton, Robert
By Eliane Brum, Translated by Diane Whitty
By Thomas, Leah
By Sebag, Roy
By Emilia A. Leese, Eva J. Charalambides
By Mance, Henry
By Boatman, Derrick J.
By Elizabeth A. Johnson
By Richard T. Holmes, Gene E. Likens
By T. M. Smith (University of Virginia), H. H. Shugart (University of Virginia), F. I. Woodward (University of Sheffield)
By Peter D. Tyson, Roland Fuchs, Congbin Fu, Louis Lebel, Hermine Vloemans
By Josep G. Canadell, Diane E. Pataki, Louis F. Pitelka
By Brian H. Walker (Division of Wildlife and Ecology CSIRO, Australian Capital Territory), Will Steffen (Division of Wildlife and Ecology CSIRO
By Michael J. Wade
By Marguerite S. Shaffer, Phoebe S. K. Young
By Diane Ackerman
By David Middleton
By Eric F. Lambin, Helmut J. Geist
By Eugene Linden
By Richard. S. K. Barnes, etc., P. Calow (Professor of Zoology, University of Sheffield), P.J.W. Olive (Senior Lecturer in Zoology), M. Dove