Definition of ancient tree group

Refers to trees over 100 years old. There are two classification criteria for ancient trees: one is defined by the National Afforestation Committee and the State

Refers to trees over 100 years old. There are two classification criteria for ancient trees: one is defined by the National Afforestation Committee and the State Forestry Administration, that is, trees over 500 years old are classified as 1 grade ancient trees, trees 300-499 years old are classified as grade 2 ancient trees, and trees 100-299 are classified as grade 3 ancient trees. The other is stipulated by the Ministry of Construction, that is, the national level 1 is more than 300 years, and the second level 100~299 years.

Famous trees refer to trees that have social influence and are famous in the world, and the age of trees is often more than 100 years. The old trees that have been growing for more than 100 years have entered a slow growth stage, and the diameter of the trunk has become very slow, giving people a weather-beaten and vibrant sense of Gu Zhuo. According to the regulations of the relevant departments of our country, trees whose age is generally more than 100 years are ancient trees; And those trees with rare and precious species or historical value and commemorative significance can all be called famous trees.