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Inside Lizzie Hart SinkThe appearance of a sinkhole creates the foundation for a new ecosystem, different from the surrounding forest, plain, or desert. A sinkhole provides a cool, damp environment, allowing atypical species to establish themselves. Any species of plant that can dig its tendril-like roots firmly into the slender joints and cracks found in limestone can grow easily in a sinkhole.

Creatures, too, are attracted to this unusual environment, with insects, fish, and amphibians being common residents of sinkholes.

 

  • Sinkhole flora

    The calcium-rich walls of a sinkhole attract plants that need an alkaline environment to survive, and the perpetual moisture of an old, stable sinkhole lures plants that love dampness and humidity, including mosses, orchids, and many rare species of ferns.