Page 269 - Nien giam 2018

Natural forests: forests are available in nature or restored by
natural regeneration, including primary and secondary forests.

Planted forests: refer to forests which are planted by human,
including: new plantations on land without forests; replanted forests after
timber harvest of existing planted forests, naturally regenerating forests
from harvested planted forests.

The planted forest which does not have canopy layer is the planted
forest in the early years, with the canopy cover of tree is below 0.1.

Canopy cover is the level of coverage of canopy trees in a vertical
direction per unit of forest area expressed in tenths.

Newly concentrated forests are planted forests in the first year,

meet the technical standards for afforestation.
By purposes of use, forests are divided into protection forests,
special-use forests and production forests.

Protection forests: forests are mainly used to protect water
resources, protect land, prevent erosion, combat desertification, limit
disasters, regulate climate and protect the environment.

Special-use forests: forests are mainly used for nature
conservation, the standard sample of the national ecosystem, and forest
genetic resources; scientific research; protection of historical and cultural
relics, tourist attraction; serve for rest and tourism, combined with
environmental protection.

Production forests: forests are mainly used for production and
trading of timber, and non-timber forest products, combined with
purposes of protection and environmental protection.

The existing forest area refers to the total forest area at a given time.
Output of timber and non-timber forest products includes
output of timber, firewood, bamboo, neohouzeaua, bambusa nutans,

dendrocalamus barbatus, etc., and other products such as shellac, resins,

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