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Definition of a Mangrove

A tree or shrub that grow in tropical coastal swamps. Mangroves typically have tangled roots above ground.

Benefits of Mangrove

  • Provide nursery to young marine organism
  • Filter and trap dirt/toxins before it arriving to the shore.
  • Provides Detritus

Natural threats to the Mangrove

  • Hurricanes
  • Strong winds can uproot and topple them
  • sediments can clog the roots

Human threats to the Mangrove

  • Garbage
  • Dredging spoils
  • Oil spills
  • Sewage
  • Slash and Burn

Environmental Impacts Upon Destruction

  • Fish will have no nursery
  • Birds will have no place to roost
  • Sediment washes to the sea
  • Homes will have no protection from winds, waves, and tides

White Mangroves

  • Least tolerant to salt water.
  • Grows farthest from the sea.
  • Usually found on higher grounds
  • No root adaptation (looks like a normal bush)

Black Mangroves

  • 2nd most salt tolerant
  • Have Pneumataphores (Drinking straws)
  • shallow roots brings oxygen to the roots
  • Anaerobic environment (lacking oxygen)
  • Grows furthest from coast
  • Only mangrove found in Texas
  • The name is based from the black pigment it gives off.
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Red Mangoves

  • Highly salt tolerant
  • Found in low or high tides
  • Name given because of the red tannin on the roots when wet
  • Prop roots help anchor them to loose mud.
  • Stabilize the shore line
  • Not found in Texas
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  • Keep the shoreline clean
  • Designated mangroves as a natural resource
  • Designate as buffer zone
The Mangrove Action Project - Mangrove Forest Restoration & Conservation