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Studying scientific basis for building process of greening bared hills and lands by methods of protection of forestry rehabilitation in Thai Nguyen - Bac Kan

Last modified on 30/10/2009 at 3:04:00 PM. Total 1109 views.

Greening to protect environment and keep ecological balance is first - priority mission of countries which have bared land and hill. There are three methods of greening: (i) protection for natural rehabilitation of forest, (ii) afforestation and (iii) establishment of agricultural and forestry moderns. Among them, protection for natural rehabilitation of forest has been an important solution to raising area of forest recently. To help to carry out the this method, in this paper we presented studies that are the basis for building of process of greening bared land and hill in Thai Nguyen – Bac Kan. The data show that Thai Nguyen and Bac Kan have a an area of 273,557.9 ha bared land and hill (appropriates 32.53% total nature area). Among them Thai Nguyen has 80,555.42 ha (= 22.82%), Bac Kan has 193,002.46 ha (=39.50%). There are three groups of bared land and hill. The group I and group II are great potentiality for natural restoration of forest due they have sources of scatter seed for growth and good soil; and the group III is less than more because of degradation of soil and short of sources of scatter seed for growth. The paper also mentioned to define criterions for building the process of greening bared land and hill. They include the define object of localization and protection for natural rehabilitation of forest; the date and quality of recovered forest; the levels impact in localization and protection for natural rehabilitation of forest; the technical methods in localization and protection for natural rehabilitation of forest; and the economy - society condition to apply methods localization and protection for natural rehabilitation of forest.

Le Dong Tan
IEBR - VAST
Chu Thi Hong Huyen
College of Science, Thai Nguyen University

(Proceedings of 3rd National Scientific Conference on Ecology and Biological Resources, Hanoi 22th October 2009 - IEBR)

anhtai.bvn

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