CONTROLS ON NUTRIENT PROCESSING IN HYPORHEIC SUBSTRATES FROM AN ARCTIC TUNDRA STREAM.
W.B. Bowden¹, K.J. Edwardson², C. Pruden¹, G. Kling³, and K.J. Riseng³. ¹Landcare Research, Lincoln, 8152, New Zealand, ²Department of Natural Resources, University of New Hampshire, Durham, New Hampshire 03824, ³Department of Biology, University of Michigan, Ann Arbor, Michigan, 48109-1048

GROUNDWATER FAUNA OF NORTHERN UTAH'S KARST TOPOGRAPHY.
C. Brindza, M.R. Vinson, and C. Hawkins. Department of Fisheries and Wildlife, Utah State University, Logan, Utah, USA

CONTROLS ON HYPORHEIC INVERTEBRATE BIODIVERSITY AND COMMUNITY STRUCTURE ON A COASTAL FLOODPLAIN RIVER.
H.J. Coe¹ and R.T. Edwards². ¹School of Fisheries, University of Washington, Seattle, WA 98195, ²Center for Streamside Studies, University of Washington, Seattle, WA 98195

SOURCES, SINKS, AND FLUXES OF CO₂, CH₄, AND O₂ IN TWO STREAMS WITH VARYING LAND USE.
W.C. Colburn and G.K. Kipphut. Center for Reservoir Research, Murray State University, Murray, KY 42071

HYPORHEIC INVERTEBRATE COMMUNITIES AND PHYSICOCHEMICAL VARIABLES ALONG GRAVEL BARS IN TWO STREAMS IN GRAND TETON NATIONAL PARK, WYOMING.
M.C. Marshall and R.O. Hall. Department of Zoology and Physiology, University of Wyoming, Laramie, Wyoming 82071 USA

CLOGGING EFFECTS OF SEDIMENT ON ANIMAL DISTRIBUTION IN THE HYPORHEIC ZONE OF A GRAVELLY MOUNTAIN BROOK.
E.B. Meidl. Institute of Ecology, work. assoc. Limnology, Friedrich-Schiller-University, Winzerlaer Str. 10, 07745 Jena, Germany