Steller Sea Lion Project Theme:  Fish Assessment and Fisheries

Click on title links below for the project details

• Effects of fishing using covariate analysis
  
• Efficacy of Trawl Fishery Exclusion Zones in Maintaining Prey Availability for Steller Sea Lions: Atka mackerel Tagging Project in the Aleutian Islands, AK
  
• Improving access to ADFGs lower Cook inlet Pacific herring stock assessment and commercial fishery database, including observations of Steller sea lions
  
• Retrospective analysis of ichthyoplankton data from the Gulf of Alaska and Bering Sea: understanding ecosystem dynamics in relation to Steller sea lion decline
  
• Climate variability, structural front dynamics, and zooplankton availability; what determines forage fish abundance around sea lion rookeries?
  
• Kodiak Island walleye pollock fishery interactions
  
• Seasonality of prey availability in regions of contrasting Steller sea lion abundance trends (SE Alaska prey project)
  
• Archival tagging of Pacific cod
  
• Pacific cod pot fishing and tagging studies
  
• Fish assemblages associated with Steller sea lion haulouts
  
• Development and application of empirical acoustic models for the assessment of forage fish populations around a Steller sea lion rookery
  
• Assessment of Steller sea lion prey availability within critical habitat in Chiniak and Marmot Bays, Alaska
  
• Use of the nearshore environment: a comparison of habitat use by Steller sea lion prey
  
• Trophic interactions of Steller sea lions and their competitors near Kodiak Island
  
• Comparison of prey availability and ecology in Steller sea lion foraging regions: a coordinated aerial remote sensing study
  
• Acoustic characterization of Steller sea lion forage species
  
• Assessment of fine-scaled interactions between Steller sea lion abundance and trends of local fisheries
  
• Geographical ecology of Steller sea lions and ephemeral high-quality prey species in southeast Alaska
  
• Interaction of Steller sea lions and fisheries managed by the state of Alaska
  
• Estimates of changes in the foraging behavior of Steller sea lions in response to precipitous declines of the herring population in Prince William Sound
  
• Seasonal assessment of prey competition between Steller sea lions and walleye pollock
  
• Investigation of foraging behavior of Steller sea lions in the vicinity of Kodiak Island, Alaska
  
• Long-term variability in Bering Sea forage fish
  
• Effects of climate variability and fish size
  
• Steller sea lion habitat and commercial fisheries
  
• The quality of commercial fish species in Steller sea lion habitat units
  
• Interactions among Steller sea lions, pollock and herring and an examination of variability associated with acoustic surveys of pollock
  
• Archival tag (data-storage tag) work with walleye pollock
  
• Improved sampling methodologies for Atka mackerel
  
• Deployment of an acoustic data logger on commercial fishing vessels to evaluate the potential of fishing-induced declines in local pollock abundance
  
• Proximate analysis of Steller sea lion prey
  
• Krenitzen predator-prey study
  
• Seasonal food habits of forage and predators
  
• Small mesh surveys
  
• Salmon as forage fish samplers
  
• Observer training for forage fish identification
  
• Forage fish stock assessment
  
• Age and growth of forage fish
  
• Index of abundance and spawning habitat requirements of eulachon, a key forage fish for Steller sea lions
  
• Analysis of groundfish abundance, community structure, and fishing activities near Steller sea lion rookeries in Alaska
  
• Steller sea lions, fisheries, and food webs: a sensitivity analysis of alternative community interaction models
  
• Acoustic backscatter properties of Steller sea lion prey
  
• Bayesian and decision theoretic analysis of the status of the western stock of Steller sea lions in relation to fisheries and environmental factors
  

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