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Response of soil respiration to changes in soil temperature and water table level in drained and restored peatlands of the southeastern United States

November 19, 2022

Extensive drainage of peatlands in the southeastern United States coastal plain for the purposes of agriculture and timber harvesting has led to large releases of soil carbon as carbon dioxide (CO2) due to enhanced peat decomposition. Growth in mechanisms that provide financial incentives for reducing emissions from land use and land-use change could increase funding for hydrological restoration that reduces peat CO2 emissions from these ecosystems. Measuring soil respiration and physical drivers across a range of site characteristics and land use histories is valuable for understanding how CO2 emissions from peat decomposition may respond to raising water table levels. We combined measurements of total soil respiration, depth to water table from soil surface, and soil temperature from drained and restored peatlands at three locations in eastern North Carolina and one location in southeastern Virginia to investigate relationships among total soil respiration and physical drivers, and to develop models relating total soil respiration to parameters that can be easily measured and monitored in the field.

Citation Information

Publication Year 2022
Title Response of soil respiration to changes in soil temperature and water table level in drained and restored peatlands of the southeastern United States
DOI 10.1186/s13021-022-00219-5
Authors Erin E. Swails, Marcelo Ardon, Ken Krauss, A.L. Peralta, Ryan E. Emmanuel, A.M. Helton, J.L. Morse, Laurel Gutenberg, Nicole Cormier, D. Shoch, Scott Settlemyer, Eric Soderholm, Brian P. Boutin, Chuck Peoples, Sara Ward
Publication Type Article
Publication Subtype Journal Article
Series Title Carbon Balance and Management
Index ID 70238581
Record Source USGS Publications Warehouse
USGS Organization Wetland and Aquatic Research Center