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NFI Third Cycle (2017)

The 2006 National Forest Inventory (NFI) was the first statistical and multi-resource inventory carried out on the national forest estate. In order to assess changes in the forest estate over time repeated assessments are required. The second NFI was completed in 2012.

A third cycle of the NFI was carried between 2015 and 2017 which involved a detailed nationwide field survey of Ireland's forests using a set of 1,923 permanent sample plots based on a randomised systematic grid sample design. The field data collection began in November 2015 and was completed in June 2017. Data processing and analysis were then undertaken and completed in June 2018.

On all occasions multi-resource information was recorded including information on forest area and species composition, growing stock volume, biodiversity, health, and carbon content; for the entire national forest estate. The repeated NFI cycles have provided results on aspects such as forest area change, volume increment and latest felling volume estimates. This facilitates the assessment of changes in the state of Ireland’s forests over time.