Quick-and-dirty coastal habitat characterization, part 3: Man-made structures

Apart from artificial reefs, could not find substantive information on other types of infrastructure in general texts on coastal ecology; so for this post relying on a recent review paper, and the perspectives of contributers to Sea Grant databases. Characterization of man-made structures:

1) Structure type

  • breakwater
  • groin/jetty
  • bulkhead/seawall/abutment
  • structural support (dock piling, bridge pier, wharf pile, etc.)
  • floating dock
  • fishing/aquaculture gear (cages, nets, poles, ropes, etc.)

2) Elevation

  • persistently at/near sea surface (e.g. a floating dock)
  • above mean high water, spring tides
  • mean high water, spring tides
  • mean high water
  • mean tide level
  • mean low water
  • mean low water, spring tides
  • subtidal

3) Wave Stress

  • wave exposed
  • moderately wave exposed
  • wave sheltered

4) Tidal stress

  • high tidal flow (strong currents)
  • moderate tidal flow (moderate/varying currents)
  • low tidal flow (weak currents)

Forthcoming post: salt marshes.

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