Oral Session #54: Lake Ecology.

Presiding: L.M. Qvarnemark, Idaho State University.
Wednesday, August 9, 2000
8:00 AM to 12:15 PM
Wasatch Room - Cliff Lodge

8:00 AM	Nearshore ecological properties associated with shoreline erosion processes in selected Great Lakes ecosystems. GOFORTH, R.R. , G.A. MEADOWS, D.M. MICKELSON, T.B. EDIL, S.D. MACKEY, D.E. GUY, JR.
8:15 AM	Hysteresis during recovery following a whole-lake acidification experiment: Biology lags substantially behind chemistry. FROST, T.M. , P.K. MONTZ, T.K. KRATZ, A.R. IVES
8:30 AM	Effects of benthic grazers on epilithon C:P stoichiometry in boreal lakes. FROST, P.C. , J.J. ELSER, M.A. TURNER
8:45 AM	Winterkill cascade: Top-down effects of fish on littoral fauna in boreal lakes. LANGLOIS, P.W. , W.M. TONN*, E.E. PREPAS, C.A. PASZKOWSKI
9:00 AM	Revelations on the structure of Bosmina populations in Lake Kinneret, Israel. SCHWARTZ, S.S. , K.D. HAMBRIGHT
9:15 AM	Patterns of aquatic benthic invertebrate distribution in a series of lakes within a landscape continuum. POLLARD, A.I. , T.M. FROST, J.J. MAGNUSON
9:30 AM	Survival and reproduction in the presence of UV radiation: A matter of repair? DEE, G. , C.E. WILLIAMSON, D. KARAPELOU
9:45 AM	Daphnia migrations in the presence and absence of UV radiation: Which way do they go? LEECH, D.M. , C.E. WILLIAMSON
10:00 AM	Break
10:15 AM	UV radiation and zooplankton distribution across vertical habitat gradients in three glacial lakes of differing transparency. WILLIAMSON, C.E. , D.M. LEECH
10:30 AM	Long-term effects of a short-term lake food web manipulation: Tuesday Lake 12 years later. HOUSER, J.N. , C.E.H. SCHEELE, T.E. ESSINGTON, S.R. CARPENTER, J.F. KITCHELL
10:45 AM	Pelagic food web responses to temporal heterogeneity BEISNER, B.E.
11:00 AM	Seston food quality and zooplankton dynamics in Lake Berryessa, a large reservoir in California. PARK, S. , M.T. BRETT, D.C. MUELLER-NAVARRA, S. CHANDRA, A. MUELLER-SOLGER, C.R. GOLDMAN
11:15 AM	Carbon flow dynamics in benthic microbial mats of Lake Hoare, Antarctica. SCHMELING, J.D. , D.L. MOORHEAD
11:30 AM	Dynamics of the deep chlorophyll maximum in lakes of the McMurdo Dry Valleys, Antarctica. BURNETT, L.L. , D.L. MOORHEAD
11:45 AM	Droughts, lakes and crop insurance: Ecological risk assessment using mud and math. LEAVITT, P.R. , J.A. RUSAK, O.G. OLSON, S. WUNSAM, G. CHEN, M. CHEN, J. YOU, L. ZHANG, B. CUMMING
12:00 PM	Carbon fluxes within the pelagic food web of an Antarctic lake: Even slower than expected. MOORHEAD, D. , E. ROBERTS, J. LAYBOURN-PARRY, J. SCHMELING