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Structuring Life After Death: Plant Leachates Promote Co2 Uptake By Regulating Microbial Biofilm Interactions In A Northern Peatland Ecosystem, Allison R. Rober, Allyson J. Lankford, Evan Kane, Merritt R. Turetsky, Kevin H. Wyatt
Structuring Life After Death: Plant Leachates Promote Co2 Uptake By Regulating Microbial Biofilm Interactions In A Northern Peatland Ecosystem, Allison R. Rober, Allyson J. Lankford, Evan Kane, Merritt R. Turetsky, Kevin H. Wyatt
Michigan Tech Publications
Shifts in plant functional groups associated with climate change have the potential to influence peatland carbon storage by altering the amount and composition of organic matter available to aquatic microbial biofilms. The goal of this study was to evaluate the potential for plant subsidies to regulate ecosystem carbon flux (CO2) by governing the relative proportion of primary producers (microalgae) and heterotrophic decomposers (heterotrophic bacteria) during aquatic biofilm development in an Alaskan fen. We evaluated biofilm composition and CO2 flux inside mesocosms with and without nutrients (both nitrogen and phosphorus), organic carbon (glucose), and leachates from common peatland plants (moss, sedge, …