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I I I I I I I I I I I I I I I I I I I from each seine haul were held in live nets. Following sampling, fish were identified, counted, measured and weighted. Fyke Net--A single throated fyke net constructed of 6 mm nylon netting, 2.5 m in length, with two 76 cm hoops was set with the entrance facing downstream in deep channels where velocities held the net upright. Time of sets ranged from 1 to 10 hours. Minnow Traps-- Two collapsible, 2 mm mesh minnow traps (30 cm x 30 cm x 45 cm) were set it in slack water habitats near shore. Time of sets ranged from 1 to 10 hours. Trammel Net--A 15 cm outer and 1.2 cm inter panels trammel net measuring 1.3 by 15 m was set in or near deeper holes or backwaters. Trammel nets were typically set overnight. RESULTS Physical measurements were taken at the first 5 sampling sites where the river was smaller, more channelized and could effectively be seined (Table 2.1). The primary purpose of measuring sample area was to calculate fish densities and biomass per surface area or habitat volume. Unfortunately, due to high flows and velocities (>3.0m3/>lm/s) it was not possible to effectively seine the study sites. Seining was difficult for the lack of suitable sites and high (> 1 mlsec) river velocities. Appropriate seining sites having suitable depth, velocities, and unobstructed reaches were uncommon. This might not be the case at lower flows. We also had problems fIDding sites with adequate depth (> 1 m) and lengths (>3 m) to set the fyke net. The trammel net proved to be the biggest challenge. There were essentially no backwater or pool habitats. We would normally set a portion of the trammel net (<7 m) in eddie pools behind large boulders. The net was fished 3 nights, 2 of which produced fish. The trammel produced the second highest species diversity: roundtail chub, flannelmouth sucker, carp, and stripped bass. It also provided good information on adult fish that are difficult to seine and provide information on reproductive status. Insufficient data was collected to allow density or biomass estimates. Field information is limited to individual fish data, relative abundance, and species persence. Stream measurements were not taken at sites 6, 7, and 8. Fish--Survey efforts yielded 306 fish, representing eleven species (Table 2.2). We encountered two new species, yellow bullhead and striped bass new not previously reported for the drainage and brown trout which were not reported that far downstream by Holden and Irving (1975). We did not encountered largemouth bass nor bluehead sucker which were previously reported. 11