Case Study: Salton Sea — 1997

• January
  • 50,000 tilapia infected with bacteria [a]
• February-March
  • ~364 deaths avian botulism
  • + 1,000 undiagnosed deaths
• May
  • 10,000 fish infected with bacteria [a]
  • ~2,000 birds with neurological disorder
• June
  • ~1,600 birds infected with virus [b]
• August 5
  • 10,000 tilapia => 121 birds
• Aug 8
  • 1,000,000 fish infected with parasite [c]
• Total bird deaths: 6,845 (537 pelicans)
• Fish Kill pictures

• [a] Vibrio alginolyticus (cholera genus)
• [b] Mesogenic Newcastle disease (~humans)
• [c] Amyloodium ocellatum (dinoflagellate)