Articles | Volume 15, issue 1
Research article
17 Jan 2018
Research article |  | 17 Jan 2018

Geomorphic influences on the contribution of vegetation to soil C accumulation and accretion in Spartina alterniflora marshes

Tracy Elsey-Quirk and Viktoria Unger

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Cited articles

Allen, J. R. L.: Salt-marsh growth and stratification: a numerical model with special reference to the Severn Estuary, southwest Britain, Mar. Geol., 95, 77–96, 1990.
Benner, R., Moran, M. A., and Hodson, R. E.: Biogeochemical cycling of lignocellulosic carbon in marine and freshwater ecosystems: relative contributions of procaryotes and eucaryotes, Limnol. Oceanogr., 31, 89–100, 1986.
Benner, R., Fogel, M. L., and Sprague, E. K.: Diagenesis of belowground biomass of Spartina alterniflora in salt-marsh sediments, Limnol. Oceanogr., 36, 1358–1374, 1991.
Blum, L. K.: Spartina alterniflora root dynamics in a Virginia marsh, Mar. Ecol.-Prog. Ser., 102, 169–178, 1993.
Boyd, B., Sommerfield, C. K., and Elsey-Quirk, T.: Hydrogeomorphic influences on salt marsh sediment accumulation and accretion in two estuaries of the U.S. Mid-Atlantic coast, Mar. Geol., 383, 132–145, 2017.
Short summary
Salt marshes have high rates of plant productivity and carbon accumulation. For this study, we found that differences in environmental conditions between estuary types were important in determining the source and stability of soil organic carbon. Specifically, sediment availability was extremely important in promoting high plant productivity and carbon accumulation in an estuary which was sediment-limited. In a sediment-rich estuary vegetation–soil-carbon relationships were weaker.
Final-revised paper