Division of Forests Based on Origin and Site Conditions

In Articles 4 and 5 of Circular 33/2018/TT-BNNPTNT on forest investigation, inventory, and monitoring of forest changes, effective January 1, 2019, the classification of forests according to their origin and site conditions is stipulated as follows:

Classification of forests by origin:

1. Natural forests, including:

   - Primary forests;

   - Secondary forests, including: recovering secondary forests and secondary forests after exploitation.

2. Planted forests classified by species, age class, including:

   - Newly planted forests on non-forest land;

   - Replanted forests;

   - Naturally regenerating forests from planted forests after logging.

Classification of forests by site conditions:

1. Soil mountain forests, including: forests on hills and soil mountains.

2. Rock mountain forests, including: forests on rock mountains or areas with exposed rock surfaces with little or no soil.

3. Regularly or periodically waterlogged forests, including:

   - Mangrove forests, including: forests along the seashore and river mouths regularly or periodically flooded with saline tides;

   - Acid sulfate waterlogged forests, including: forest areas on acid waterlogged or brackish waterlogged lands;

   - Freshwater regularly or periodically waterlogged forests.

4. Sandy land forests, including: forests on sand dunes and sandbanks.

The above details the classification of forests by origin and site conditions.

Sincerely!