Authors: Ostonen, I1, Ven, A2, Meier IC3 Reviewer: Preece, C4 Measurement unit: minutes, hours, days; Measurement scale: length, mass or surface unit of root; ground unit of a plot or site; Equipment costs: €-€€€; Running costs: €-€€€; Installation effort: high; Maintenance effort: low to high (frequent recording); Knowledge need:…
2.1.6 Foliar stoichiometry and nutrient resorption
Author: Soper FM1 Reviewer: Peñuelas J2,3, Estiarte M2,3 Measurement unit: mg g-1 or%; Measurement scale: plot; Equipment costs: €; Running costs: €-€€; Installation effort: low to medium; Maintenance effort: -; Knowledge need: low; Measurement mode: manual Nitrogen (N) and phosphorus (P) are the most widely measured foliar nutrients because…
2.2.1 Soil microbial biomass – C, N, and P
Authors: Schmidt IK1, Reinsch S2, Christiansen CT3 Reviewers: Verbruggen E4, Berauer, B5 Measurement unit: mg C, N, or P g-1 dry soil or g-1 SOM; Measurement scale: plot; Equipment costs: none; Running costs: €; Installation effort: low; Maintenance effort: medium; Knowledge: medium; Measurement mode: manual The soil microbial biomass…
2.2.2 Root and soil colonisation by mycorrhizal fungi
Authors: Verbruggen E1, Radujković D1 Reviewers: Weigel R3, Ribbons R4 Measurement unit: percentage of colonisation; Measurement scale: plot or plant; Equipment costs: €; Running costs: €; Installation effort: medium to high; Maintenance effort: -; Knowledge need: medium to high; Measurement mode: manual Mycorrhizae are plant–fungi symbiotic relationships in which…
2.2.3 Soil CO2 (and other trace gas) fluxes
Authors: Schindlbacher A1, Larsen KS2, Vicca S3 Reviewer: Christansen CT4 Measurement unit: µmol m-2 sec-1; Measurement scale: plot; Equipment costs: €€-€€€; Running costs: €-€€; Installation effort: medium to high; Maintenance effort: medium; Knowledge need: medium to high; Measurement mode: manual and/or data logger Soil CO2 efflux, often denoted as…
2.2.4 Soil carbon and nutrient stocks
Authors: Leblans NIW1, Stuart-Haëntjens E2, Schindlbacher A3, Vicca S1 Reviewer: Almagro M4 Measurement unit: Mg C ha-1 or kg C m-2; Measurement scale: plot; Equipment costs: €; Running costs: €; Installation effort: medium; Maintenance effort: -; Knowledge need: medium; Measurement mode: manual The soil carbon (C) stock is the…
2.2.5 Nutrient mineralisation
Authors: Schmidt IK1, Christiansen CT2 Reviewers: Berauer B3, Verbruggen E4, Measurement unit: μg N or P g-1 soil (or g m-2; ug N g-1 SOM); Measurement scale: plot; Equipment costs: None – €; Running cost: € – €€; Installation effort: low; Maintenance effort: medium; Knowledge need: medium to high;…
2.2.6 Foliar litter decomposition
Authors: Djukic, I1 Reviewers: Almagro, M2, Hansen K3, Lee H4, Christiansen CT5 Measurement unit: mass loss %; Measurement scale: plot or site; Equipment costs: €; Running costs: €; Installation effort: low; Maintenance effort: low; Knowledge need: low; Measurement mode: manual Decomposition is the breakdown (biological and chemical processes) and…
2.2.7 Root decomposition
Authors: Smith, SW1, Taghizadeh-Toosi, A2, Ostonen, I3 Reviewers: Hansen K4,5, Lee H6 Measurement unit: mass loss %, nutrient loss %; Measurement scale: root segments of individual plants; Equipment costs: €; Running costs: €; Installation effort: medium to high; Maintenance effort: low; Knowledge need: low; Measurement mode: manual (and data…
2.2.8 Soil organic matter (SOM) decomposition
Author: Fuchslueger L1 Reviewer: Hansen K2,3, Lee H4, Schmidt IK5 Measurement unit: carbon ha-1 yr-1; Measurement scale: plot, site; Equipment costs: €€; Running costs: €€–€€€; Installation effort: medium; Maintenance effort: medium; Knowledge need: medium to high; Measurement mode: manual Soil organic matter (SOM) is one of the largest terrestrial…