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South Florida Aquatic Environments

Freshwater Marshes



GATORHOLES
Alligator Hole
courtesy South Florida Water Management District
Alligator Hole

Freshwater marshes include:

Alligator Holes

  • Alligator holes are found in marshes throughout the Everglades
  • Alligators form holes by clearing muck from depressions in the limestone bedrock
  • Alligator holes remain filled with water during the dry season

Located in marshes with long hydroperiods throughout the Everglades, alligator holes result either from fire burning an area of rich peat soil or from alligator activity. Alligators form holes by using their feet and snouts to clear muck from holes in the limestone bedrock. Water remains in these holes throughout the year except during severe drought conditions. As the dry season approaches and water dries up from other areas within the Everglades, alligator holes retain water and become refuges to a variety of wildlife. Alligators prey on the animals that frequent gator holes in search of refuge, food, and water.


Alligator
© Dana Ehret
Alligator