Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 361, Issue 1-3, Pages 179-188Publisher
ELSEVIER
DOI: 10.1016/j.scitotenv.2005.06.007
Keywords
carbon sequestration; wetlands; prairie pothole region; global climate change
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We evaluated the potential of prairie wetlands in North America as carbon sinks. Agricultural conversion has resulted in the average loss of 10.1 Mg ha(-1) of soil organic carbon on over 16 million ha of wetlands in this region. Wetland restoration has potential to sequester 378 Tg of organic carbon over a 10-year period. Wetlands can sequester over twice the organic carbon as no-till cropland on only about 17% of the total land area in the region. We estimate that wetland restoration has potential to offset 2.4% of the annual fossil CO2 emission reported for North America in 1990. (c) 2005 Elsevier B.V. All rights reserved.
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