Model estimates of topsoil nutrients [Countryside Survey]
https://doi.org/10.5285/7055965b-7fe5-442b-902d-63193cbe001c
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© UK Centre for Ecology & Hydrology. Contains British Geological Survey materials © NERC 2014. Contains Ordnance Survey data © Crown copyright and database right 2007.
This dataset is made available under the terms of the Open Government Licence
Topsoil nutrient data - total nitrogen (N) concentration (%), C:N ratio and Olsen-Phosphorus (mg/kg). Data is representative of 0 - 15 cm soil depth. Cores from 256 1km x 1km squares across Great Britain were analysed in 2007. For total N concentration (and therefore C:N ratio), a total of 1024 cores were analysed, and for Olsen-P, a total of 1054 cores were analysed. See Emmett et al. 2010 for further details of sampling and methods (http://nora.nerc.ac.uk/id/eprint/5201/1/CS_UK_2007_TR3%5B1%5D.pdf)
Estimates of mean values within selected habitats and parent material characteristics across GB were made using Countryside Survey (CS) data from 1978, 1998 and 2007 using a mixed model approach. The estimated means of habitat/parent material combinations are modelled on dominant habitat and parent material characteristics derived from the Land Cover Map 2007 and Parent Material Model 2009, respectively. The parent material characteristic used was that which minimised AIC in each model (see Dataset Documentation). Please see Scott, 2008 for further details of similar statistical analysis (http://nora.nerc.ac.uk/id/eprint/5202/1/CS_UK_2007_TR4%5B1%5D.pdf).
Areas, such as urban and littoral rock, are not sampled by CS and therefore have no associated data. Also, in some circumstances sample sizes for particular habitat / parent material combinations were insufficient to estimate mean values.
Estimates of mean values within selected habitats and parent material characteristics across GB were made using Countryside Survey (CS) data from 1978, 1998 and 2007 using a mixed model approach. The estimated means of habitat/parent material combinations are modelled on dominant habitat and parent material characteristics derived from the Land Cover Map 2007 and Parent Material Model 2009, respectively. The parent material characteristic used was that which minimised AIC in each model (see Dataset Documentation). Please see Scott, 2008 for further details of similar statistical analysis (http://nora.nerc.ac.uk/id/eprint/5202/1/CS_UK_2007_TR4%5B1%5D.pdf).
Areas, such as urban and littoral rock, are not sampled by CS and therefore have no associated data. Also, in some circumstances sample sizes for particular habitat / parent material combinations were insufficient to estimate mean values.
Publication date: 2012-03-26
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< 5.0 5.0 - 7.5 7.5 - 10.0 10.0 - 12.5 12.5 - 15.0 15.0 - 17.0 > 17.0 < 25 25 - 50 50 - 75 75 - 100 100 - 125 125 - 150 > 150 < 3.2 3.2 - 3.4 3.4 - 3.6 3.6 - 3.8 3.8 - 4.0 4.0 - 4.2 > 4.2 < 0.60 0.60 - 0.65 0.65 - 0.70 0.70 - 0.75 0.75 - 0.80 > 0.80 < 0.920 0.920 - 0.925 0.925 - 0.930 0.930 - 0.935 0.935 - 0.940 0.940 - 0.945 0.945 - 0.950 > 0.950 < 3.2 3.2 - 3.3 3.3 - 3.4 3.4 - 3.5 3.5 - 3.6 3.6 - 3.7 3.7 - 3.8 > 3.8 -1 to -0.5 -0.5 to -0.25 -0.25 to 0 0 to 0.2 0.2 to 0.4 > 0.4 0 - 50 50 - 60 60 - 70 70 - 80 80 - 90 > 90 0 - 25 25 - 50 50 - 75 75 - 100 100 - 500 > 500 0 - 10 10 - 20 20 - 30 30 - 40 40 - 50 > 50 0 - 0.25 0.25 - 0.50 0.50 - 0.75 0.75 - 1.00 1.00 - 1.25 > 1.25 < 11 11 - 13 13 - 15 15 - 17 17 - 19 19 - 21 21 - 23 23 - 25 > 25 10 - 15 15 - 20 20 - 25 25 - 30 30 - 35 35 - 40 > 40 < 5.0 5.0 - 6.0 6.0 - 6.5 6.5 - 7.2 7.2 - 7.5 7.5 - 8.0 > 8.0 < 0.2 0.2 - 0.4 0.4 - 0.6 0.6 - 0.8 0.8 - 1.0 1.0 - 1.2 > 1.2 < 25 25 - 30 30 - 35 35 - 40 40 - 45 45 - 50 50 - 55 55 - 60 60 - 65 65 - 70 70 - 75 > 75
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Format
Shapefile
Spatial information
Study area
Spatial representation type
Raster
Spatial reference system
OSGB 1936 / British National Grid
Spatial resolution
1000
Provenance & quality
Data used are taken from the Countryside Survey Soils Report (Emmett et al. 2010) which can be found at http://nora.nerc.ac.uk/id/eprint/9354/1/CS_UK_2007_TR9.pdf
Licensing and constraints
This dataset is made available under the terms of the Open Government Licence 
Cite this dataset as:
Henrys, P.A.; Keith, A.M.; Robinson, D.A.; Emmett, B.A. (2012). Model estimates of topsoil nutrients [Countryside Survey]. NERC Environmental Information Data Centre. https://doi.org/10.5285/7055965b-7fe5-442b-902d-63193cbe001c
© UK Centre for Ecology & Hydrology. Contains British Geological Survey materials © NERC 2014. Contains Ordnance Survey data © Crown copyright and database right 2007.
Related
Services associated with this dataset
Web Map Service for model estimates of topsoil properties [Countryside Survey]
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Supplemental information
Emmett, B.A., Reynolds, B., Chamberlain, P.M., Rowe, E., Spurgeon, D., Brittain, S.A., Frogbrook, Z., Hughes, S., Lawlor, A.J., Poskitt, J., Potter, E., Robinson, D.A., Scott, A., Wood, C., Woods, C. (2010). Countryside Survey: Soils Report from 2007. Technical Report No. 9/07. NERC/Centre for Ecology & Hydrology 192pp. (CEH Project Number: C03259).
Scott, W.A. (2008). Countryside Survey: Statistical Report. Technical Report No. 4/07. NERC/Centre for Ecology & Hydrology.
Correspondence/contact details
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Publisher
NERC Environmental Information Data Centre
info@eidc.ac.uk
Custodian
NERC EDS Environmental Information Data Centre
info@eidc.ac.uk