Basin topography and relation to surrounding rim. Vegetation, topography, soils, and hydrology for each landscape.
Cores contain history of plant and animal communities during last several millennia.
Analyses of these cores provide cross checks for reconstructions of the 1800s. Core analyses also provide assessment of relative stability of the system over time. Gumbo Limbo Tree Island Satellite image of WCA 3B Pollen analysis from a core adjacent to Gumbo Limbo island indicates that the island is more than 800 years old.