Data for: Regeneration of Pyrophilic Sand Pine (Pinus clausa) in Fragmented Fire-Suppressed South Florida Scrub

Abstract Pinus clausa var. clausa is the dominant tree of biorich but ecologically compromised Southeast Florida scrub. Scrub habitats and P. clausa have dwindled due to habitat reduction and fragmentation, to regional development, and to fire suppression. The purpose of the present project was to seek correlates of P. clausa establishment under present unnatural development-impacted conditions, using field measurements at four sites hosting juvenile Pinus clausa. Potential establishment predictors were adjacency to other woody plants, depth to hard sand horizon, seed tree distance and direction, light-intensity, soil-core color, soil pH, and soil surface firmness. Comparing frequency distributions of juvenile P. clausa locations with frequency distributions of random spots within the same perimeters, juvenile pines tended toward adjacency to other woody plants (Χ2 p