Table 1. Candidate variables used to model likelihood of site visitation by recreationists.
| Code | Predictor | Units | Description |
|---|---|---|---|
| Comp | Arablea | Proportion within site or surrounding landscape | Proportion of annual and perennial crops and freshly ploughed land |
| Coasta | Proportion within site or surrounding landscape | Proportion of sand dunes, shingle, littoral mud and littoral sand | |
| Broadleaved woodlanda | Proportion within site or surrounding landscape | Proportion of broadleaved woodland with >20% tree cover or >30% scrub cover | |
| Built-upa | Proportion within site or surrounding landscape | Proportion of urban and suburban areas including towns, cities (and residential gardens), car parks and industrial estates | |
| Coniferous woodlanda | Proportion within site or surrounding landscape | Proportion of coniferous woodland with >20% cover | |
| Freshwatera | Proportion within site or surrounding landscape | Proportion of lakes, canals, rivers and streams | |
| Improved grasslanda | Proportion within site or surrounding landscape | Proportion of grassland modified by fertiliser and reseeding typically managed as pasture or mown | |
| Lowland heatha | Proportion within site or surrounding landscape | Proportion of heather and dwarf shrub, gorse and dry heath below 300m a.s.l. as defined by Gimingham [24], delimited according to the digital terrain model OS Terrain 50 [25] | |
| Semi-natural grasslanda | Proportion within site or surrounding landscape | Proportion of neutral, calcareous, acid and rough grassland | |
| Pop | Weight.pop.2b | No. people | Total number of people residing within 10km of the site, inverse-weighted by distance squared from visit and control points |
| Cty | Countyc | 85 levels | County in which the site is located |
| Path | Path.lengthd | m | Total length of path network within site |
| Elev | Mean.eleve | m | Mean of all Digital Terrain Model 50m cells within site |
| Road | Dist.Aroadf | m | Distance from visit and control points to nearest major road |
aLCM2007
bkm resolution population raster created from 2011 ONS census data
cAssigned according to county boundaries downloaded from http://www.gadm.org/
dOpenStreetMap
eOS Terrain 50
fOS Meridian