Details and Metadata
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Methods
The methods followed in the creation of the dataset, including description of field, laboratory and processing steps, and quality control procedures
No methods recorded for this dataset
Dataset Fields
Detailed documentation of the fields comprising the dataset, including the type of measurement, units where applicable, and any controlled vocabularies or code lists present in the data
| Field Name | Caption | Description | Additional Information |
|---|---|---|---|
| Site | Abbreviation for site | Three letter abbreviation used for each site | Measurement type: Nominal |
| Plot_location_(degrees) | Plot location (degrees) | Location of the subplot from the plot center in degrees magnetic north | Measurement type: Nominal |
| Depth_(cm) | Soil sampling depth (cm) | Depth below the Oe horizon for soil sample taken. Subplot dimensions were 50 x 50 cm | Measurement type: Nominal |
| Worms_per_m2 | Number of earthworms per square meter | Count of individual earthworms in the subplot layer expressed on a per square meter basis | Measurement type: Ordinal |
| endogeic/m2 | Number of endogeic earthworms per square meter | Count of individual endogeic earthworms in the subplot layer expressed on a per square meter basis | Measurement type: Ordinal |
| epigeic/m2 | Number of epigeic earthworms per square meter | Count of individual epigeic earthworms in the subplot layer expressed on a per square meter basis | Measurement type: Ordinal |
| epi-endo_anecic/m2 | Number of epi-endogeic and anecic earthworms per square meter | Count of individual epi-endogeic and anecic earthworms in the subplot layer expressed on a per square meter basis | Measurement type: Ordinal |
| Number_of_species | Number of unique earthworm species | Number of unique earthworm species in the subplot layer | Measurement type: Ordinal |
| bulk_soil_N_(g/kg) | Total soil nitrogen (g/kg) | Total nitrogen in the soil layer by elemental analyzer | Measurement type: Ordinal |
| bulk_soil_C_(g/kg) | Total soil organic carbon (g/kg) | Total organic carbon in the soil layer by elemental analyzer | Measurement type: Ordinal |
| bulk_soil_C/N_ratio | Bulk soil carbon to nitrogen ratio | Ratio of total organic carbon to total nitrogen in the soil layer, by elemental analyzer | Measurement type: Ordinal |
| fmA_total_C_(g/kg) | Free microaggregate and free light fraction carbon | Carbon in the 'free' (not within macroaggegates) microaggregates (53-250 micron diameter) and the associated light fraction (before separation) | Measurement type: Nominal |
| fmA_LF_C_(g/kg) | Carbon in the light fraction separated with the free microaggregates | Carbon in the light fraction of organic matter associated with, but not entrained in, the 'free' (not within macroaggegates) microaggregates (53-250 micron diameter) | Measurement type: Nominal |
| fmA_prot(g/kg) | Carbon protected within the free microaggregates | Carbon entrained in the 'free' (not within macroaggegates) microaggregates (53-250 micron diameter), calculated by subtraction of the light fraction carbon from the fmA_total carbon | Measurement type: Nominal |
| mAlg_total_C_(g/kg) | Large macroaggregate (>2 mm) total carbon | Carbon in the large macroaggregate (>2 mm) fraction, including carbon within entrained microaggregates and the light fraction of organic matter | Measurement type: Nominal |
| mAlg_LF_C_(g/kg) | Large macroaggregate (>2 mm) light fraction carbon | Carbon in the large macroaggregates (>2 mm) from the inter-microaggregate light fraction of organic matter | Measurement type: Nominal |
| mAlg_prot_(g/kg) | Large macroaggregate (>2 mm) protected carbon | Protected carbon in the large macroaggregates (>2 mm), i.e. that contained within the entrained microaggregates. Calculated by subtracting the large macroaggregate light fraction carbon from the large macroaggregate'total' carbon | Measurement type: Nominal |
| mAsm_total_C_(g/kg) | Small macroaggregate (0.25-2.0 mm) total carbon | Carbon in the small macroaggregate (0.25-2.0 mm) fraction, including carbon within entrained microaggregates and the light fraction of organic matter | Measurement type: Nominal |
| mAsm_LF_C_(g/kg) | Small macroaggregate (0.25-2.0 mm) light fraction carbon | Carbon in the small macroaggregates (0.25-2.0 mm) from the inter-microaggregate light fraction of organic matter | Measurement type: Nominal |
| mAsm_prot_(g/kg) | Small macroaggregate (0.25-2.0 mm) protected carbon | Protected carbon in the small macroaggregates (0.25-2.0 mm), i.e. that contained within the entrained microaggregates. Calculated by subtracting the large macroaggregate light fraction carbon from the large macroaggregate'total' carbon | Measurement type: Nominal |
| Sum_of_protected_C_(g/kg) | Sum of protected carbon contained in all microaggregates | Sum of free microaggregate protected carbon and microaggregate protected carbon entrained in both small and large macroaggregates | Measurement type: Nominal |
| Fraction_protected | The fraction of total carbon that is protected | Calculated by dividing the sum of protected carbon by the bulk soil carbon | Measurement type: Nominal |
| Fraction_of_soil_lgMA | The fraction of total soil weight that is comprised of large macroaggregates (>2 mm) | Calculated by dividing the dry weight of the separated large macroaggregates (>2 mm) by the dry weight of the soil sample analyzed. These data are not shown. | Measurement type: Nominal |
| Fraction_of_soil_mAlg | The fraction of total soil weight that is comprised of microaggregates within large macroaggregates | Calculated by dividing the dry weight of the microaggregates separated from the large macroaggregates (>2 mm) by the dry weight of the soil sample analyzed. These data are not shown. | Measurement type: Nominal |
| Fraction_of_soil_smMA | The fraction of total soil weight that is comprised of small macroaggregates (0.25-2.0 mm) | Calculated by dividing the dry weight of small macroaggregates (0.25-2.0 mm) by the dry weight of the soil sample analyzed. These data are not shown. | Measurement type: Nominal |
| Fraction_of_soil_mAsm | The fraction of total soil weight that is comprised of microaggregates within small macroaggregates | Calculated by dividing the dry weight of microaggregates separated from the small macroaggregates (0.25-2.0 mm) by the dry weight of the soil sample analyzed. These data are not shown. | Measurement type: Nominal |
| Fraction_of_soil_fmA | The fraction of total soil weight that is comprised of free microaggregates | Calculated by dividing the dry weight of free microaggregates (0.053-0.25 mm) by the dry weight of the soil sample analyzed. These data are not shown. | Measurement type: Nominal |
| Fraction_of_all_mA | The fraction of total soil weight that is comprised of all microaggregates | Calculated by dividing the sum of the dry weight of all microaggregates (free and entrained in macroaggregates) by the dry weight of the soil sample analyzed. These data are not shown. | Measurement type: Nominal |
| Fraction_of_all_MA | The fraction of total soil weight that is comprised of all macroaggregates | Calculated by dividing the sum of the dry weight of small and large macroaggregates by the dry weight of the soil sample analyzed. These data are not shown. | Measurement type: Nominal |
Sampling Equipment
Equipment and software used to collect data, including how that equipment was used.
No sampling equipment recorded for this dataset
Site Characteristics
The spatial extent of the dataset site coverage, and descriptions of the spatial extent and context for the data collection
No site characteristics recorded for this dataset