Steller Sea Lion Project Theme:  Vital Rates

Click on title links below for the project details

• Installation of a remote census and photogrammetry network: validation and assessment of seasonal and individual Steller sea lion body condition and population trends
  
• Demographic studies at Marmot and Ugamak Islands rookeries
  
• Growth, condition, and disease
  
• Stock studies using nuclear and mitochondrial DNA
  
• Stock structure - determine exchange rates among putative stock boundaries through genetic analysis
  
• Survival and mortality of marked sea lions-Oregon
  
• Early and late pregnancy rates of Alaskan Steller sea lions and examination of the role of maternal condition
  
• Survival and mortality of marked sea lions-Alaska
  
• Russian Steller sea lion studies
  
• Large format aerial photogrammetry of SSL rookeries to enumerate non-pups and pups
  
• Kuril Islands survey and investigations of an increasing rookery in Russia
  
• Assess sea lion reproductive failure in the eastern Gulf of Alaska
  
• Satellite-linked life history transmitters in Steller sea lions: assessing the effects of health status, foraging ability, and environmental variability on juvenile survival and population trends
  
• Traditional knowledge of Steller sea lions and community-based monitoring of local seasonal haulouts
  
• Identify Steller sea lion rookeries; gathering traditional ecological information on Steller sea lions from Perryville, Alaska
  
• Trends in diet and population of SSLs in Oregon
  
• Monitoring diet and demographics of SSLs in WA state
  
• Population viability analyses for SSL
  
• Review of nutritional stress hypothesis in seabirds and SSLs; ecosystem
  
• Leptin, reproductive cycles, and energy balance in Steller sea lions
  
• Population dynamics of SSLs in Oregon vs Alaska
  
• Physiological stress of Steller sea lions using fecal hormone analysis: validation and range-wide assessment
  
• Capture and holding of transient juvenile sea lions
  
• Validating the use of satellite-linked life history transmitters in rehabilitated California sea lions and juvenile Steller sea lions
  
• Assessing Steller sea lion population dynamics through the use of permanent marking
  
• Using blood chemistry and body condition as indicators of nutritional status
  
• Aerial surveys of Steller sea lions
  
• Monitor population trends
  
• Harbor seals as surrogate for Steller sea lions
  
• Photographic mark-recapture of Steller sea lions
  
• Continue development of the use of satellite-linked life history transmitters in Steller sea lions
  

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