Dataset file information for: "Kranabetter, Philpott and Dunn. 2021. Manganese limitations and the enhanced soil carbon sequestration of temperate rainforests. Biogeochemistry. doi.org/10.1007/s10533-021-00840-5" General Information JM Kranabetter "British Columbia Ministry of Forests, Lands and Natural Resource Operations. Victoria BC. Marty.kranabetter@gov.bc.ca" TJ Philpott "British Columbia Ministry of Forests, Lands and Natural Resource Operations. Williams Lake, BC. Tim.philpott@gov.bc.ca" D Dunn "Natural Resources Canada, Pacific Forestry Centre. Victoria BC. Dave.dunn@canada.ca" Data collected 2018-2020 "Geographic location: southern Vancouver Island, British Columbia Canada" Funding provided by BC Ministry of Forests Dataset file: Field soil peroxidase enzyme assay Soil type "= the contrasting soil type (Brunisol, Podzol) from the edaphic gradient" Site = geographic name given to each location of a soil type replicate Substrate "= the two substrates used in the study, forest floor and upper mineral soil (0-20 cm)" Replicate = 5 replicates per soil type Subsample = 3 subsamples per replicate Mn-peroxidase = the concentration of the Mn-dependent peroxidase enzyme (?mol h-1 g-1 dry soil) Non Mn-dependent peroxidase = the concentration of the remaining peroxidase enzyme (?mol h-1 g-1 dry soil) Dataset file: Incubated soil peroxidase enzyme assay Soil type "= the contrasting soil type (Brunisol, Podzol) from the edaphic gradient" Site = geographic name given to each location of a soil type replicate Substrate "= the two substrates used in the study, forest floor and upper mineral soil (0-20 cm)" Replicate = 5 replicates per soil type Treatments = two factorial study design Mn amendment = an amendment with or without MnSO4; 'no Mn' = no Mn amendment; 'plusMn' = Mn added Inoculum = an added soil slurry to transfer live or sterile fungal inoculum; 'noinoc' = autoclaved slurry inoculum added; 'plusinoc' = slurry inoculum added Mn-peroxidase = the concentration of the Mn-dependent peroxidase enzyme at the end of the incubation study (?mol h-1 g-1 dry soil) Ergosterol = the concentration of ergosterol at the end of the incubation study as a measure of fungal biomass (mg kg-1 dry soil) Exchangeable Mn = the concentration of exchangeable Mn at the end of the incubation study (cmol+ kg-1 dry soil) Dataset file: "Bulk soil chemistry, podzolization gradient" Soil type "= the contrasting soil type (Brunisol, Podzol) from the edaphic gradient" Site = geographic name given to each location of a soil type replicate Rep = 5 replicates per soil type Substrate "= the two substrates used in the study, forest floor and upper mineral soil (0-20 cm)" Subsample = 3 subsamples per replicate Exch Al = exchangeable aluminum concentration (cmol+ kg-1 soil) Exch Ca = exchangeable calcium concentration (cmol+ kg-1 soil) Exch Fe = exchangeable iron concentration (cmol+ kg-1 soil) Exch K = exchangeable potassium concentration (cmol+ kg-1 soil) Exch Mg = exchangeable magnesium concentration (cmol+ kg-1 soil) Exch Mn = exchangeable manganese concentration (cmol+ kg-1 soil) CEC (Ba) = cation exchange capacity (cmol+ kg-1 soil) N = total nitrogen (%) C = total carbon (%) S = total sulphur (%) 1:1 H2O = pH in water Inorganic P = inorganic phosphorus concentration (mg kg-1 soil) Organic P = organic phosphorus concentration (mg kg-1 soil)