Contribution of different wetland plant species to the DOC exported from a mesocosm experiment in the Florida Everglades
作者： Jorge A. Villa , William J. Mitsch , Keunyea Song , ShiLi Miao
DOI: 10.1016/J.ECOLENG.2014.07.011
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摘要: Abstract Carbon stable isotopes were used to investigate the contribution of different wetland plant communities commonly found in Everglades dissolved organic carbon (DOC) exported from a mesocosm experiment. The species conforming treatments mesocosms were: Typha domingensis Pers, Cladium jamaicense Crantz, Nymphaea sp., sp./Eleocharis Najas guadalupensis [Spreng] Magnus/Chara sp. and guadalupensis. Results indicate that guadalupensis/Chara functioned as temporary sinks for DOC, but over study period all net sources DOC. A two-source isotope mixing model was estimate inflow water biomass into outflow DOC each treatment. relatively higher with emergent floating vegetation (24–30%) than containing submerged aquatic (≤5%). relevance these findings restoration management context region, specifically its implications phosphorus exports, are discussed.
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