Ecosystem development after mangrove wetland creation : plant–soil change across a 20-year chronosequence Osland, Michael J. Spivak, Amanda C. Nestlerode, Janet A. Lessmann, Jeannine M. Almario, Alejandro E. Heitmuller, Paul T. Russell, Marc J. Krauss, Ken W. Alvarez, Federico Dantin, Darrin D. Harvey, James E. From, Andrew S. Cormier, Nicole Stagg, Camille L. 2012-09-05T15:20:53Z 2012-09-05T15:20:53Z 2012-05-19
dc.description This paper is not subject to U.S. copyright. The definitive version was published in Ecosystems 15 (2012): 848-866, doi:10.1007/s10021-012-9551-1. en_US
dc.description.abstract Mangrove wetland restoration and creation efforts are increasingly proposed as mechanisms to compensate for mangrove wetland losses. However, ecosystem development and functional equivalence in restored and created mangrove wetlands are poorly understood. We compared a 20-year chronosequence of created tidal wetland sites in Tampa Bay, Florida (USA) to natural reference mangrove wetlands. Across the chronosequence, our sites represent the succession from salt marsh to mangrove forest communities. Our results identify important soil and plant structural differences between the created and natural reference wetland sites; however, they also depict a positive developmental trajectory for the created wetland sites that reflects tightly coupled plant-soil development. Because upland soils and/or dredge spoils were used to create the new mangrove habitats, the soils at younger created sites and at lower depths (10–30 cm) had higher bulk densities, higher sand content, lower soil organic matter (SOM), lower total carbon (TC), and lower total nitrogen (TN) than did natural reference wetland soils. However, in the upper soil layer (0–10 cm), SOM, TC, and TN increased with created wetland site age simultaneously with mangrove forest growth. The rate of created wetland soil C accumulation was comparable to literature values for natural mangrove wetlands. Notably, the time to equivalence for the upper soil layer of created mangrove wetlands appears to be faster than for many other wetland ecosystem types. Collectively, our findings characterize the rate and trajectory of above- and below-ground changes associated with ecosystem development in created mangrove wetlands; this is valuable information for environmental managers planning to sustain existing mangrove wetlands or mitigate for mangrove wetland losses. en_US
dc.format.mimetype application/pdf
dc.identifier.citation Ecosystems 15 (2012): 848-866 en_US
dc.identifier.doi 10.1007/s10021-012-9551-1
dc.language.iso en_US en_US
dc.publisher Springer en_US
dc.subject Functional equivalency en_US
dc.subject Carbon accumulation en_US
dc.subject Succession en_US
dc.subject Facilitation en_US
dc.subject Wetland restoration en_US
dc.subject Wetland creation en_US
dc.subject Mangrove forest en_US
dc.subject Salt marsh en_US
dc.subject Tampa Bay Florida en_US
dc.title Ecosystem development after mangrove wetland creation : plant–soil change across a 20-year chronosequence en_US
dc.type Article en_US
dspace.entity.type Publication
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