8:00 EFFECTS OF MULTIPLE DISTURBANCES ON TROPICAL STREAM CHEMISTRY.
W.H. McDowell¹, F.N. Scatena², and D.A. Schaefer³. ¹Department of Natural Resources, University of New Hampshire, Durham, NH 03824 USA, ²International Institute of Tropical Forestry, USDA Forest Service, Rio Piedras, PR 00928 USA, ³Institute for Tropical Ecosystem Studies, University of Puerto Rico, San Juan, PR 00936 USA

8:15 THE INFLUENCE OF UNUSUAL HYDROLOGIC EVENTS ON BASELINE WATER QUALITY: A STUDY OF 3 COASTAL PLAIN WATERSHEDS.
S.W. Golladay and J.M. Battle. J.W. Jones Ecological Research Center, Newton Georgia, USA, 31770

8:30 SIMULATED EFFECTS OF AGRICULTURAL MANAGEMENT STRATEGIES ON WATER QUANTITY AND QUALITY IN STREAMS OF DIFFERING GEOLOGY.
J.D. Schomberg¹, C. Richards², L.B. Johnson¹, and G. Host¹. ¹Center for Water and Environment, Natural Resources Research institute, University of Minnesota, Duluth, MN 55811-1442, ²Minnesota Sea Grant, University of Minnesota, Duluth, MN 55812

8:45 HUMANS, ANIMALS AND FERTILIZERS: PATTERNS IN PERIPHYTON ABUNDANCE IN ALBERTA RIVERS FROM 1980 TO 1995.
G.M. Carr¹, P.A. Chambers², and M. Guy². ¹Department of Biology, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5, ²National Water Research Institute, 11 Innovation Boulevard, Saskatoon, Saskatchewan S7N 3H5

9:00 INFLUENCES OF LAND USE ON LEAF BREAKDOWN IN SOUTHERN APPALACHIAN HEADWATER STREAMS: A MULTIPLE SCALE ANALYSIS.
R.A. Sponseller and E.F. Benfield. Department of Biology, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061-0406

9:15 CATCHMENT LAND USE AND THE PHYSICAL-CHEMICAL STRUCTURE OF LOW-ORDER STREAMS IN A SOUTHERN APPALACHIAN DRAINAGE.
H.M. Valett, E.F. Benfield, and R.A. Sponseller. Department of Biology, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA, 24061-0406

9:30 PRIMARY PRODUCTION AND COMMUNITY RESPIRATION IN STREAMS OF THE OUACHITA MOUNTAINS, ARKANSAS.
J.M.S. Kiner and A.V. Brown. Department of Biological Sciences, University of Arkansas, Fayetteville, AR 72701

9:45 IMPORTANCE OF WOOD TO MACROINVERTEBRATES OF FIRST-ORDER STREAMS IN WASHINGTON'S COASTAL RANGE.
S.M. Haggerty¹, D.P. Batzer¹, and C.R. Jackson². ¹Department of Entomology, University of Georgia, Athens, GA 30602, ²Warnell School of Forest Resources, University of Georgia, Athens, GA 30602