Oral Session #17: Mammalian Herbivory.

Presiding: R.J. Collins, University of Pittsburgh.
Sunday, August 6, 2000
1:30 PM to 5:00 PM
Cottonwood Room IV - Sports Event Center

1:30 PM	Do ground-dwelling mammals promote high tropical tree diversity: Testing Janzen-Connell at the community level. CARSON, W.P. , S. SCHNITZER, H. STEVENS
1:45 PM	Rodent effects on synthetic tallgrass assemblages. HOWE, H.
2:00 PM	Root and/or shoot competition: Critical mechanisms for survival in a grazed environment. WALLACE, L.
2:15 PM	Contrasting effects of mammalian herbivore guilds on plant community structure. BEEBEE, M.D. , L.R. FOX
2:30 PM	Predation risk and food quantity in the selection of habitat by black tailed jack rabbit (Lepus californicus): An optimal foraging approach. MARIN, A. , L. HERNáNDEZ, J.W. LAUNDRé
2:45 PM	Cattle use of prairie dog towns on the shortgrass steppe of Colorado. GUENTHER, D.A. , J.K. DETLING
3:00 PM	Break
3:15 PM	Eat green but not any green! Consequences of ungulate introduction on an long-lived tree species. VOURC'H, G. , B. VILA, D. GILLON and T.P. CLAUSEN, J. ESCARRé, J. MARTIN
3:30 PM	Effects of summer grazing by reindeer on composition of vegetation, productivity and nitrogen cycling. OLOFSSON, J. , H. KITTI, P. RAUTIAINEN and S. STARK, L. OKSANEN
3:45 PM	Impact of white-tailed deer foraging on prairie forbs. NELSON, D.L. , R.C. ANDERSON
4:00 PM	Reproductive compensation by wild carrot, Daucus carota: The interaction of plant competition and mammalian herbivory. SACCHI, C.F. , J.L. DOOLEY
4:15 PM	Persistence or extinction: A demographic analysis of elevated herbivore pressure in an herbaceous understory community. KNIGHT, T. , S. KALISZ, L. SMITH and J. DAVIS
4:30 PM	Elk and bison: Foraging in the landscape of fear of Yellowstone National Park . LAUNDRé, J.W. , L. HERNáNDEZ
4:45 PM	Ecology of fear: Foraging games between owls and gerbils . BROWN, J.S. , B.P. KOTLER, A. BOUSKILA