Oral Session #31: Agroecology.

Presiding: M.P. Waldrop, University of California, Berkeley.
Monday, August 7, 2000
1:00 PM to 5:15 PM
Maybird Room - Cliff Lodge

1:00 PM	Research towards sustainable land use and biodiversity in a mosaic of agriculture and tropical forest in Costa Rica. HAINES, B.L. and C. PETERSON
1:15 PM	Regeneration of slash-and-burn agricultural fields in relation to landscape structure in the Orange Walk District, Belize. WEBBEKING, A. and J.A. KUPFER, S.B. FRANKLIN
1:30 PM	Assessing the impact of prairie restoration and agricultural land use on soil carbon dynamics in southern Wisconsin. KUCHARIK, C.J.
1:45 PM	Nitrous oxide production, methane oxidation, and soil carbon sequestration in intensive agriculture: Composite effects on the atmosphere's global warming potential. ROBERTSON, G.P. and E.A. PAUL, R.R. HARWOOD
2:00 PM	Agriculture in the Great Plains: Net carbon consequences of dryland and irrigated cultivation. BURKE, I.C. and W.K. LAUENROTH, C.W. BENNETT, J. BRADFORD, J. MORGAN
2:15 PM	Greenhouse gas emissions from drainage waters in an intensively farmed, subtropical valley. HARRISON, J.A. and P.A. MATSON
2:30 PM	Fungal translocation as a mechanism of external nitrogen inputs to decomposing surface residues in a no-tillage agroecosystem. FREY, S.D. and J. SIX, E.T. ELLIOTT, K. PAUSTIAN
2:45 PM	Effects of straw management and winter flooding on aquatic food web structure in a rice agroecosystem. LAWLER, S.P. and D.A. DRITZ
3:00 PM	Break
3:15 PM	Restoring habitat value of productive ricelands: Silver lining on the agricultural cloud, or the greenwashing of wetland destruction? O'MALLEY, R.E.
3:30 PM	Increasing the suppression of weeds by cereal crops. WEINER, J. and H. GRIEPENTROG, L. KRISTENSEN
3:45 PM	Weed community dynamics in response to different agricultural management practices. MENALLED, F.D. and K.L. GROSS, M. HAMMOND
4:00 PM	The impact of spiders and carabid beetles on the abundance of insect pests and potato yield. VICHITBANDHA, P. and D.H. WISE
4:15 PM	Predation of European corn borer eggs by Coleomegilla maculata DeGeer in the presence of alternative foods. HARMON, J.P. and D.A. ANDOW
4:30 PM	Impacts of combined leaf damage and Plasmodiophora brassicae root infection on Brassica rapa. FRANKE, D.M. and A.E. WEIS
4:45 PM	Threshold effects of landscape structure on biological control in agroecosystems. WITH, K.A. and D.M. PAVUK
5:00 PM	Ecological and resource recovery approaches to reduce the environmental impact of aquaculture production. ADLER, P.R.