SLIMF Certification

For small or low-intensity managed forest

Smallholders in Potugal (© Forest Producers Association of Coruche)© Forest Producers Association of CorucheFSC defines a small producer in terms of the area of their forests or the volume of timber they harvest each year. A small or low-intensity managed forest, or SLIMF, can qualify for streamlined auditing procedures that reduce the cost of the audit by, for example, reducing the sampling in the audit. The procedures also allow for desk-based audits in years where a small producer has not harvested. FSC has eligibility guidelines for SLIMFs that certification bodies use to determine if a forest is eligible or not.


Which forests can achieve certification under these streamlined procedures?

To achieve certification under streamlined procedures for SLIMFs, a forest management unit has to be either 'small' or 'low intensity' according to the definitions of FSC.

In general, a forest management unit is classified as small in area when it is less than  100 hectares. However, National Offices can apply to increase this maximum to 1000 hectares. To see what the maximum size of a small forest is in your country, download the list in the right column.

In all countries, forest management units may be classified as low intensity when they comply with at least one of the following two criteria:

  • The harvesting rate is less than 20% of the mean annual growth in timber (Mean Annual Increment or MAI), AND the annual harvest is no more than 5000 m3.
  • The forest is managed exclusively for non-timber forest products.

Download the official policy on eligibility of small and low intensity managed forests in the right column.

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