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The Contribution Of Leaching To The Rapid Release Of Nutrients And Carbon In The Early Decay Of Wetland Vegetation, Stephen E. Davis, Dan Childers, Gregory B. Noe
The Contribution Of Leaching To The Rapid Release Of Nutrients And Carbon In The Early Decay Of Wetland Vegetation, Stephen E. Davis, Dan Childers, Gregory B. Noe
FCE LTER Journal Articles
Our goal was to quantify the coupled process of litter turnover and leaching as a source of nutrients and fixed carbon in oligotrophic, nutrient-limited wetlands. We conducted poisoned and non-poisoned incubations of leaf material from four different perennial wetland plants (Eleocharis spp., Cladium jamaicense, Rhizophora mangle and Spartina alterniflora) collected from different oligotrophic freshwater and estuarine wetland settings. Total phosphorus (TP) release from the P-limited Everglades plant species (Eleocharis spp., C. jamaicense and R. mangle) was much lower than TP release by the salt marsh plant S. alterniflora from N-limited North Inlet (SC). For most species and sampling times, total …
Coastal Groundwater Discharge – An Additional Source Of Phosphorus For The Oligotrophic Wetlands Of The Everglades, René M. Price, Peter K. Swart, James W. Fourqurean
Coastal Groundwater Discharge – An Additional Source Of Phosphorus For The Oligotrophic Wetlands Of The Everglades, René M. Price, Peter K. Swart, James W. Fourqurean
FCE LTER Journal Articles
In this manuscript we define a new term we call coastal groundwater discharge (CGD), which is related to submarine groundwater discharge (SGD), but occurs when seawater intrudes inland to force brackish groundwater to discharge to the coastal wetlands. A hydrologic and geochemical investigation of both the groundwater and surface water in the southern Everglades was conducted to investigate the occurrence of CGD associated with seawater intrusion. During the wet season, the surface water chemistry remained fresh. Enhanced chloride, sodium, and calcium concentrations, indicative of brackish groundwater discharge, were observed in the surface water during the dry season. Brackish groundwaters of …