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Full-Text Articles in Physical Sciences and Mathematics
A 2,500-Year Record Of Environmental Change In Highlands Hammock State Park (Central Florida, U.S.A.) Inferred From Siliceous Microfossils, Christof Pearce, Holger Cremer, Emmy Lammertsma, Friederike Wagner-Cremer
A 2,500-Year Record Of Environmental Change In Highlands Hammock State Park (Central Florida, U.S.A.) Inferred From Siliceous Microfossils, Christof Pearce, Holger Cremer, Emmy Lammertsma, Friederike Wagner-Cremer
FCE LTER Journal Articles
Analysis of siliceous microfossils of a 79 cm long peat sediment core from Highlands Hammock State Park, Florida, revealed distinct changes in the local hydrology during the past 2,500 years. The coring site is a seasonally inundated forest where water availability is directly influenced by precipitation. Diatoms, chrysophyte statospores, sponge remains and phytoliths were counted in 25 samples throughout the core. Based on the relative abundance of diatom species, the record was subdivided into four diatom assemblage zones, which mainly reflect the hydrological state of the study site. An age-depth relationship based on radiocarbon measurements of eight samples reveals a …