AGROECOLOGY

Tuesday, August 8, 2000
3:30 PM to 5:00 PM
Sports Event Center (Site A)

118	Modeling restoration processes in a bottomland forest-agricultural landscape. NUTTLE, T. and J.W. HAEFNER
119	Soil responses to land-use change on Citlaltepetl Volcano, Mexico. RUIZ-FONT, A. and L. VILLERS-RUIZ, M.A. ROJAS-VILORIA
120	A nitrogen budget for Olmsted County, Minnesota. BRADLEY, K.L. and K. CRAWFORD, J.M.H. KNOPS
121	Long-term changes in nitrogen loading across Chinese village landscapes. ELLIS, E.C.
122	Responses of a low-diversity grassland to six years of experimental soil disturbance and nitrogen addition. PELTZER, D.A. and S.D. WILSON, H.A. HAGER
123	Effects of irrigation and cultivation on soil carbon and nitrogen in northeastern Colorado. SINTON, P.J. and I.C. BURKE, W.K. LAUENROTH
124	Primary production of summer-fallow winter wheat and native grasslands in the shortgrass steppe. SMITH, D.P. and W.K. LAUENROTH, I.C. BURKE
125	Relationships between edaphic factors and vegetation in a chronosequence of abandoned agricultural fields: A case study along the San Pedro River, Arizona . OLEKSYSZYN, M.M. and J.C. STROMBERG, D.M. GREEN
126	Comparing microarthropod and soil quality indices in three agricultural watersheds. ANDREWS, S.S. and R. HANSEN, D.L. KARLEN, C.A. CAMBARDELLA, T. MOORMAN
127	Ecological studies on Monacha cantiana ( Montagu ) snails at Kafr El-Sheikh, Egypt. EL-KHODARY, A.S. and R.R. HELAL, F.A. SHARSHIR, W.A. SHAHAWY
128	Insect species in Egyptian clover and alfalfa as related to crop system at Kafr El-Sheikh, Egypt and Sebha, Libya . GAMAL EL-MEZAYYEN, DRA.
129	Effect of pruning and ammonium nitrate fertilizer on the populations of soil Acarina and Collembola in Jasmine grandiflorum, L. cultivations, in Kafr El-Sheikh, Egypt. TADROS, M.S. and F.A. SHARSHIR