Model estimates of topsoil nutrients [Countryside Survey]

• Published by: Environmental Information Data Centre
• Last updated: 03 May 2023
• Topic: Not added
• Licence: Other Licence ; View licence information

Summary

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. Full details about this dataset can be found at https://doi.org/10.5285/7055965b-7fe5-442b-902d-63193cbe001c

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Data links

Link to the data	Format	File added	Data preview
Web map service (WMS)	N/A	03 May 2023	Not available
Supporting documentation	ZIP	03 May 2023	Not available
Download the data	N/A	03 May 2023	Not available

Additional information

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• Added to data.gov.uk: 2023-04-27T08:46:51
• Access contraints: © UK Centre for Ecology & Hydrology. Contains British Geological Survey materials © NERC 2014. Contains Ordnance Survey data © Crown copyright and database right 2007.
• Harvest GUID: 7055965b-7fe5-442b-902d-63193cbe001c
• Extent: Latitude: 59.85° to 49.41°
• Extent: Longitude: -8.67° to 3.04°
• Dataset reference date: 2012-03-26 (publication)
• Frequency of update: notPlanned
• Responsible party: UK Centre for Ecology & Hydrology (pointOfContact); Centre for Ecology & Hydrology (author); NERC EDS Environmental Information Data Centre (custodian); NERC Environmental Information Data Centre (publisher)
• ISO 19139 resource type: dataset
• Metadata language: eng
• Source Metadata: XML
• Source Metadata: HTML

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