Potential watershed impacts on Elkhorn Slough

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Watershed Impacts on Elkhorn Slough

Due to European settlement, the natural connectivity of both fresh and salt water has been disrupted. Development has caused major changes in water flow.

  • subsidence from artificial restriction of tidal exchange
  • loss of brackish communities
  • river diversion
  • artificial river mouth for Moss Landing Harbor
  • Culverts
  • tidal gates
  • sloughs diked and drained
  • Burnett, Moro Cojo, Tembladero Sloughs disconnected
  • cattle grazing, railroad, road construction, freshwater impoundments for duck hunting

residential development

  • destruction and fragmentation of maritime chaparral and oak woodland habitat
  • steep access driveways leads to soil erosion
  • spread of invasive species
  • fire suppression
  • nutrient load from lawns and corrals

Links

[1]

Carneros Watershed

Sedimentation and Contamination

Increase of impervious surfaces/ Habitat loss