Apalachicola River and BayLongleaf Pine & Fire Ecology Fire, Sand, and Water in the Apalachicola Bluffs and Ravines by Rob Diaz de Villegas October 8, 2020 by Rob Diaz de Villegas October 8, 2020 Habitat restoration in the Apalachicola Bluffs and ravines sends ripples throughout the whole river system, and preserves globally rare ecology and geology.