LUCAS 2018 metadata

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Full name:

Land Use and Coverage Area 2018

Version:

-

Abstract:

Following a decision of the European Parliament, the European Statistical Office (EUROSTAT) in close cooperation with the Directorate General responsible for Agriculture and the technical support of the JRC, is organising regular, harmonised surveys across all Member States to gather information on land cover and land use. This survey is known as LUCAS (Land Use/Cover Area frame statistical Survey). The name reflects the methodology used to collect the information. Estimates of the area occupied by different land use or land cover types are computed on the basis of observations taken at more than 250,000 sample points throughout the EU rather than mapping the entire area under investigation. By repeating the survey every few years, changes to land use can be identified.

The soil module of LUCAS 2018 collected soil samples at 18,984 locations, with samples taken at various depths as outlined below:

Soil samples were gathered from the 0-20 cm depth at 18,744 points. In 141 of these points, exclusively in Portugal, additional samples from the 20-30 cm depth were analyzed for OC and CaCO3.

Soil samples from the 0-10 cm depth were collected at 232 points.

Samples from the 10-20 cm depth were collected at 8 points.

Geographical Coverage:

Continental - Europe

GIS Data Type:

Vector - Point

Spatial resolution:

-

Publication date:

2022-??-??

Reference period-start:

2018-??-??

Reference period-stop

2018-??-??

Key Soil Properties:

pH, Electrical Conductivity, Organic Carbon Content, Calcium Carbonate, Phosphorus, Nitrogen, Potassium, Aluminium, Iron, Bulk Density

Soil deph coverage (cm):

Up to 30 cm

Soil Functions:

-

Soil Threats:

-

Soil parameters overview

Prior to ingestion in SoilHive, LUCAS 2018 data shows cells with the value "<0.0" that are used to express values below the limit of detection (<LOD). The data you download in SoilHive will show "<LOD" when expressing values that are below the limit of detection.

Original Soil Parameter Unit of measurement Description Analytical method Reference Standard LOD (limit of detection)
pH_CaCl2 - Glass electrode in a 1:5 (V/V) suspension of soil in CaCl2 Glass electrode in a 1:5 (V/V) suspension of soil in H20 and CaCl2 ISO 10390:2005 2-10
pH_H2O - Glass electrode in a 1:5 (V/V) suspension of soil in H2O Glass electrode in a 1:5 (V/V) suspension of soil in H20 and CaCl2 ISO 10390:2006 2-11
EC mS/m Metal electrodes in aqueous extract of soil Metal electrodes in aqueous extract of soil ISO 11265:1994 0.1
OC g/kg Dry combustion (elementary analysis) Dry combustion (elementary analysis) ISO 10694:1995 2.0
CaCO3 g/kg Volumetric Method Volumetric method ISO 10693:1995 1.0
P_extractable g/kg Spectrometric determination of P soluble in sodium hydrogen CaCO3 solution Spectrometric determination of P soluble in sodium hydrogen CaCO3 solution ISO 11263:1994 10.0
N_total g/kg Modified Kjeldahl method Modified Kjeldahl method ISO 11261:1995 0.2
K_extractable mg/kg Atomic absorption spectrometry after extraction with Na4OAc Atomic absorption spectrometry after extraction with NH4OAc USDA−NRCS, 2004 10.0
Ox_Al_extractable mg/kg Acid ammoium oxalate method Acid ammonium oxalate method Ross and Wang, (1993) 20
Ox_Fe_extractable mg/kg Acid ammoium oxalate method Acid ammonium oxalate method Ross and Wang, (1993) 20
BD g/kg Calculated from the mass and the volume of sole cores taken with rings of known volume Calculated from the mass and the volume of sole cores taken with rings of known volume Adapted ISO 11272:2017 -
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