Environmental Influences and Effects

• Fisheries investigations for Lost River and shortnose suckers in Upper Klamath Lake
• Assessment of smolt condition: Biological and environmental interactions
• Water temperature effects on fall chinook salmon in the Snake and Columbia Rivers
• Estuary utilization by juvenile chinook salmon

Fish Distribution and Abundance

• Investigation of trophic conditions and biological resources in Abbotts Lagoon, Point Reyes National Seashore: A fishery inventory
• Distribution and abundance of Cowhead Lake tui-chub (Gila bicolor vaccaceps) within the Cowhead Lake, California, watershed
• Distribution and abundance of Wall Canyon sucker (Catostomus sp.)
• Evaluate status of coastal cutthroat trout in the Columbia River Basin above Bonneville Dam
• The role of natural and human-made barriers in the abundance and life history characteristics of coastal cutthroat trout

Fish Passage and Hydroelectric Dams

• Evaluate spawning of fall chinook and chum salmon just below the four lowermost Columbia River mainstem dams
• Survival estimates for migrant juvenile salmonids passing through the Dalles Dam using radio-telemetry
• Survival estimates for migrant juvenile salmonids passing through the Bonneville Dam using radio-telemetry
• Survival estimates for migrant juvenile salmonids passing through John Day Dam using radio-telemetry
• Evaluation of the effect of water management on fall chinook spawning and rearing habitat, and on stranding of juvenile fall chinook in the Hanford Reach of the Columbia River
• Assessment of the downstream passage of juvenile salmonids through the powerhouse, sluiceway and spillway of The Dalles Dam
• Assessment of the downstream passage of juvenile salmonids at John Day Dam
• Distribution of smolts in the tailrace of hydroelectric dams

Population Dynamics

• Cui-ui population viability analysis
• Lahontan cutthroat population viability analysis

Predictive Methods and Modeling

• Evaluation of energy expenditure in adult salmon and steelhead migrating upstream in the Columbia and Snake rivers
• Cellular and genetic tracers of transport time in groudwater systems under the direct influence of surface water bodies

Restoration Ecology

• Science support for wetland restoration in the Napa-Sonoma Salt Ponds, San Francisco Bay Estuary: An assessment of fish use
• Assess current and potential salmonid production in Rattlesnake Creek associated with restoration efforts
• White sturgeon restoration and enhancement in the Columbia and Snake rivers upstream from Bonneville Dam