School of Biological Sciences, Royal Holloway, University of London, Egham Hill, Egham, TW20 0EX, UK
Regional Editor (Australia & Asia)
G.J. Daglish
P.O. Box 623, Paddington, QLD 4064, Australia
Regional Editor (Europe & Africa)
C.H. Bell
Agri-Environment and Land Use Strategy, The Food and Environment Research Agency, Sand Hutton, York, YO41 1LZ, UK
Regional Editor ( The Americas)
F.H. Arthur
Northern Plains Area, Grain Marketing, and Production Research Center, U.S. Department of Agriculture (USDA)-Agricultural Research Service (ARS), 1515 College Avenue, Manhattan, KS 66502, USA