Maskell, L.C.; Henrys, P.A.; Norton, L.R.; Smart, S.M.; Wood, C.M.

Distribution of individual ash trees in Great Britain

The dataset consists of a map of individual ash trees (Fraxinus excelsior) across Great Britain. The data is derived from Countryside Survey 2007 and includes individual trees in the landscape, clumps of trees and veteran trees. Trees were mapped in 569 1km sample squares across Britain, and this national estimate dataset was derived from the sample data using ITE Land Classes.

Publication date: 2013-08-30

Get the data

This dataset is made available under the terms of the Open Government Licence

Format of the dataset : ESRI Shapefile

You must cite: Maskell, L.C.; Henrys, P.A.; Norton, L.R.; Smart, S.M.; Wood, C.M. (2013). Distribution of individual ash trees in Great Britain. NERC Environmental Information Data Centre.


© Centre for Ecology & Hydrology (Natural Environment Research Council)

This dataset is part of the following


Study area
Temporal extent
2007-05-01    to    2007-10-31

Supplemental information

Other useful information regarding this dataset:

Distribution of Ash trees (Fraxinus excelsior) in Countryside Survey data (2013). Maskell, L.C., Henrys, P.A., Norton, L.R., Smart, S.M. and Wood, C.M. January 2013, NERC/Centre for Ecology & Hydrology, Lancaster.

Provenance & quality

Data were collected as part of the Countryside Survey monitoring project in 2007. Data were collected from 591 1km sample squares and scaled up to national estimates using the ITE Land Classification. See supporting documentation for further information.

Correspondence/contact details

Dr. Lindsay Maskell
Centre for Ecology & Hydrology
Lancaster Environment Centre, Library Avenue, Bailrigg
United Kingdom


Maskell, L.C.
Centre for Ecology & Hydrology
Henrys, P.A.
Centre for Ecology & Hydrology
Norton, L.R.
Centre for Ecology & Hydrology
Smart, S.M.
Centre for Ecology & Hydrology
Wood, C.M.
Centre for Ecology & Hydrology

Other contacts

Environmental Information Data Centre
NERC Environmental Information Data Centre


Spatial representation type
Spatial reference system
OSGB 1936 / British National Grid


Topic categories
Biota , Environment
ash,  Biodiversity Countryside Survey,  Fraxinus excelsior Great Britain
Species Distribution