EARLY HEARING DETECTION AND INTERVENTION VIRTUAL CONFERENCE
MARCH 2-5, 2021
(Virtually the same conference, without elevators, airplane tickets, or hotel room keys)
5/20/2019 | 3:00 PM - 3:15 PM | WETLAND BIOGEOCHEMICAL RESPONSES TO CLIMATE CHANGE PREDICTED SCENARIOS | 250 AB
WETLAND BIOGEOCHEMICAL RESPONSES TO CLIMATE CHANGE PREDICTED SCENARIOS
Wetlands are one of the world's largest known carbon sinks, while comprising only 2-6% of the Earth's surface. Carbon in wetlands is stored through decomposition and sedimentation of organic matter and absorption of CO2 from the atmosphere by soil microbes. As climates continue to change and some regions are expected to experience increased periods of drought, wetlands are predicted to become carbon sources instead of carbon sinks. Increased drought periods are also predicted to cause more frequent wetland wildfires. We examined changes in soil microbial biomass, soil organic matter, and soil C:N ratio in a series of experimental ponds manipulated with hydroperiod fluctuation and vegetation control using prescribed burns. Preliminary results show that frequently changing hydrologic conditions limit microbial biomass compared to more stable flooded or dry conditions. Our goal is to develop a framework to better understand the response of southeastern coastal plain wetlands to predicted climate change scenarios.
- Microbial
- Water Quality
- ClimateChange
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Presenters/Authors
Angela Shaffer
(), Georgia Southern University, as17251@georgiasouthern.edu;
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Checo Colon-Gaud
(), Georgia Southern University, jccolongaud@georgiasouthern.edu;
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