Since April 2009, RSK has carried out field data collection for phase 1 of the NFI. To date, we have surveyed more than 280 squares of 1 ha. The survey involves locating the sample squares and mapping discrete woodland blocks. During field work, each square is divided into different units with broadly similar species compositions or land uses. Each unit is then assessed for a large number of ecological, land use, silvicultural and general site features (attributes), which are recorded in the field on Toughbook laptops using electronic survey forms held in ArcGIS and Access software. Within each square, the area is subdivided into treed or non-treed sections.
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