(553) AN ASSESSMENT OF RIPARIAN INVERTEBRATE PREY AVAILABILITY IN AN EASTERN OREGON STREAM.
C.H. Frady¹, W.J. Gerth¹, J.L. Li¹, S.L. Johnson², and H.W. Li³. ¹Department of Fisheries and Wildlife, Oregon State University, Corvallis, OR 97331, ²USDA Forest Service, PNW Research Station, 3200 SW Jefferson Way, Corvallis, OR 97331, ³Oregon Cooperative Fish and Wildlife Research Unit, Oregon State University, Corvallis, OR 97331

(554) TERRESTRIAL INVERTEBRATE INPUTS DETERMINE THE LOCAL ABUNDANCE OF STREAM FISHES IN A FORESTED HEADWATER STREAM.
Y. Kawaguchi¹, S. Nakano², and Y. Taniguchi³. ¹Aqua Restoration Research Center Government Land Reserve, Kasada, Kawashima, Gifu, 501-6021, Japan, ²Center for Ecological Research, Kyoto University, Hirano-cho, Kamitanakami, Otsu, Shiga, 520-2113, Japan, ³Department of Life Environmental Science, Yamaguchi Prefectural University, 3-2-1 Sakurabatake, Yamaguchi, Yamaguchi, 753-8502, Japan