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The Science Issue and Relevance: Coastal wetlands are some of the most productive and valuable habitats in the world. Louisiana contains 40% of the United States’ coastal wetlands, which provide critical habitat for waterfowl and fisheries, as well as many other benefits, such as storm surge protection for coastal communities. In terms of ecosystem services, biological resource production, and infrastructure investments, the value of Louisiana’s coastal wetlands exceeds $100 billion. Thus, stakeholders are gravely concerned about sea-level rise which is causing coastal marsh habitat to convert to open water and resulting in the highest rates of wetland loss in the world, with nearly 1.2 million acres lost since...
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This SSP project resulted in one publication. Carbon storage was compared between impounded and naturally tidal freshwater marshes along the Lower Waccamaw River in South Carolina, USA. Soil cores were collected in (1) naturally tidal, (2) moist soil (impounded, seasonally drained since ~1970), and (3) deeply flooded "treatments" (impounded, flooded to ~90 cm since ~2002). Cores were analyzed for % organic carbon, % total carbon, bulk density, and 210Pb and 137Cs for dating purposes. Carbon sequestration rates ranged from 25 to 200 g C m-2 yr-1 (moist soil), 80-435 g C m-2 yr-1 (naturally tidal), and 100-250 g C m-2 yr-1 (deeply flooded). The moist soil and naturally tidal treatments were compared over a period...
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In 2020, Governor Edwards of Louisiana issued two executive orders: establishing the Climate Initiatives Task Force to develop the state’s first ever Climate Action Plan to reach net zero greenhouse gas emissions by 2050 and to enhance coastal resilience in the state. Louisiana’s coastal wetlands and natural lands are of vital importance not just for hurricane protection, health and wellbeing, and natural resources, but also for carbon sequestration (i.e. capturing and storage of carbon from the atmosphere). Enhancing natural carbon sinks (i.e. ecosystem that stores more carbon than it releases) to offset greenhouse gas emissions is a critical step for Louisiana to achieve its net zero goals. Coastal wetlands have...
    map background search result map search result map Carbon sequestration rates in managed and tidal freshwater marshes in the Waccamaw National Wildlife Refuge, South Carolina Understanding Impacts of Sea-Level Rise and Land Management on Critical Coastal Marsh Habitat Developing a Decision Support Tool to Inform Louisiana’s Climate Change Adaptation Strategy Carbon sequestration rates in managed and tidal freshwater marshes in the Waccamaw National Wildlife Refuge, South Carolina Understanding Impacts of Sea-Level Rise and Land Management on Critical Coastal Marsh Habitat Developing a Decision Support Tool to Inform Louisiana’s Climate Change Adaptation Strategy