Nutrient Dynamics and Biogeochemical Cycling
Nutrient dynamics and biogeochemical cycling are fundamental properties of
ecosystems that can be altered by large-scale human activities such as nutrient
enrichment, hydrologic alteration, sea-level rise, and atmospheric carbon
dioxide increases. Researchers are investigating alterations in biogeochemical
cycling in a diverse range of ecosystems including rivers, lakes, wetlands,
and estuaries.
Researchers at the National Wetlands Research Center are working with other federal agencies and universities to study the effects of anthropogenic disturbances on biogeochemical cycling in a diversity of aquatic ecosystems. Ongoing research efforts include effects of nutrient enrichment on euphotic estuarine sediments, effects of exotic invasive plants on lake limnology, enrichment effects of rainfall on lake phytoplankton, and baseline water quality characteristics of the aquatic ecosystems in southern forested wetlands.
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Research
- Understanding the Role of Microtopography, Salinity, and Distance from River in Mineralization of Nitrogen and Phosphorus from Soils of Tidal Freshwater Forested Wetlands (Dr. Gregory B. Noe, Dr. Ken W. Krauss, Dr. Cliff Hupp)
- Biogeochemical Controls on the Resilience of Organic Matter in Forested Wetland and Marsh Soils to Major Climatic Perturbations (Dr. JoAnn Holloway, Dr. Christopher M. Swarzenski, Dr. Thomas W. Doyle, Dr. Ken W. Krauss)
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Ecosystem