Disturbance Ecology I

Session 2 (Contributed)
Thursday, May 30, 8:00 AM-9:45 AM, Allegheny II
Moderator: Covich, A.P.

8:00 (8) EPISODIC ACIDIFICATION IN SWISS ALPINE STREAMS: CHEMICAL CAUSES AND CONSEQUENCES TO BENTHIC COMMUNITIES.
F. Lepori¹, A. Barbieri², and S.J. Ormerod¹. ¹Catchment Research Group, School of Biosciences, Cardiff University, PO Box 915, Cardiff CF10 3 TL, U.K., ²Laboratorio Studi Ambientali, riva Paradiso 15, 6900 Paradiso, C.H.

8:15 (9) COLONIZATION DYNAMICS OF MACROINVERTEBRATES IN ALPINE STREAMS AND LAKE OUTLETS.
M. Hieber, C.T. Robinson, U. Uehlinger, and J.V. Ward. Department of Limnology, EAWAG/ETH, Ueberlandstrasse 133, CH-8600 Duebendorf, Switzerland

8:30 (10) THE POTENTIAL INFLUENCE OF PHYSICAL DISTURBANCE ON MACROINVERTEBRATE COMMUNITIES BY SALMON REDD DIGGING.
A.J. Hewertson¹ and A.M. Milner^1,2. ¹School of Geography and Environmental Sciences, University of Birmingham, Birmingham, B15 2TT, ²Institute of Arctic Biology, University of Alaska, Fairbanks, AK 99775, USA

8:45 (11) THE MEIOFAUNAL COMMUNITY OF A NEW STREAM IN GLACIER BAY NATIONAL PARK, S.E. ALASKA.
M. McDermott¹, A.L. Robertson¹, and A.M. Milner². ¹School of Life Sciences, University of Surrey Roehampton, West Hill, London SW15 3SN, U.K., ²School of Geography and Environmental Science, University of Birmingham Edgbaston, Birmingham B15 2TT, U.K.

9:00 (12) EXTREME FLOW FLOWS IN PERENNIAL MONTANE TROPICAL STREAMS: EFFECTS ON MIGRATORY FRESHWATER SHRIMP.
A.P. Covich¹, T.A. Crowl², and F.N. Scatena³. ¹Fishery and Wildlife Biology, Colorado State University, Fort Collins, Colorado, USA 80523, ²Department of Aquatic, Watershed, and Earth Sciences, Utah State University, Logan, Utah, USA 84322, ³International Institute of Tropical Forestry, U.S.D.A. Forest Service and University of Puerto Rico, Rio Piedras, Puerto Rico, USA 00928

9:15 (13) THE RESPONSES OF LOTIC MEIOFAUNAL COMMUNITIES TO LEAF PACK (CPOM) ENHANCEMENT IN STREAMS OF DIFFERING AGES AND STABILITY IN GLACIER BAY NATIONAL PARK, ALASKA.
A.L. Robertson¹ and A.M. Milner². ¹School of Life Sciences, University of Surrey, Roehampton, West Hill, London SW15 3SN U.K., ²School of Geography and Environmental Science, University of Birmingham, Edgbaston, Birmingham B15 2TT U.K.

9:30 (14) HABITAT MODIFICATION BY THE EMERGENT RIVERINE MACROPHYTE JUSTICIA AMERICANA (L.) VAHL.
K.M. Fritz, M.M. Gangloff, and J.W. Feminella. Department of Biological Sciences, Auburn University, Auburn, AL 36849