... Antonovics and Levin (1 980 ), Weiner (1 982 ),Goldberg and Werner (1 983 ), Barkham and Hance (1 982 ), Pacala and Silander(1 985 ), Silvertown et al. (1992), and Wallinga (1995). Although a distinctionRN0,tᎏᎏᎏᎏ[1 ... 1/13/01 10:46 AM Page 7172 STRUCTURE AND FUNCTION IN AGROECOSYSTEMS DESIGN AND MANAGEMENT can be made between the individual-based models (e.g., Pacala and Silander,1 985 ) and cellular automaton ... ecological management of crop-weed interactionsfrom a modeling and systems perspective.920103_CRC20_0904_CH04 1/13/01 10:46 AM Page 62 80 STRUCTURE AND FUNCTION IN AGROECOSYSTEMS DESIGN AND MANAGEMENT to...