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Oak near-natural forest management operation method

A technology for natural forests and oaks, applied in the field of forest management, can solve the problems of not improving the economic value, ornamental value and stability of the forest area, large forest area, and declining biodiversity, etc. The effect of improving economic value and improving stability

Inactive Publication Date: 2020-07-24
JILIN CITY ACADEMY OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In North China, in the existing near-natural forests, oak trees are often single-dominant trees, causing various problems, such as decline in biodiversity, pests and diseases, fire-prone and serious secondary growth, resulting in a year-by-year decline in economic value
Conventional tending and thinning is an important technical measure of forest management. Its purpose is to adjust the species composition and density of the stand, improve the environment in the forest, increase the productivity of the stand, enhance the landscape value of the stand, and enhance the resistance of the stand. However, the simple Thinning cannot solve the problem of a single tree species, and the forest area is large, and the effect of unplanned thinning is not good, nor can it improve the economic value, ornamental and stability of the forest area

Method used

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Examples

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Effect test

Embodiment 1

[0025] In a forest farm in Liaoning, oak trees are the dominant tree species, accounting for more than 70%, and 3 square kilometers were selected for tending experiments.

[0026] A method for managing oak near-natural forests, comprising the following steps:

[0027] (1) Operation planning: Divide the oak forest area to be treated into three divisions, A, B, and C, and set a buffer zone of 30 to 40 meters between the divisions. After on-the-spot calculations, the area of ​​the test area except the buffer zone About 3 square kilometers, all trees are about 2,550, divided into protected trees and cleared trees, marked and cleared trees are about 1,910 trees, and marked and protected trees are about 640;

[0028] (2) Renewal and tending: From 2012 to 2018, the felling of cleared trees was completed, and the surface residues were cleaned up during harvesting. About 270 cleared trees were harvested each year, and the land vacated after felling was prepared in time. According to di...

Embodiment 2

[0036] In a forest farm in Henan, oak trees are the absolute dominant tree species, accounting for more than 90%. 2.5 square kilometers were selected for tending experiments.

[0037] A method for managing oak near-natural forests, comprising the following steps:

[0038] (1) Operation planning: Divide the oak forest area to be treated into three divisions, D, E, and F, and set a buffer zone of 30 to 40 meters between the divisions. After on-the-spot calculations, the area of ​​the test area except the buffer zone About 2.5 square kilometers, with about 3,219 trees in total, divided into protected trees and cleared trees, about 2,620 marked and cleared trees, and about 599 marked and protected trees;

[0039] (2) Renewal and tending: From 2008 to 2017, the felling of cleared trees was completed, and the surface residues were cleaned up during harvesting. About 260 cleared trees were harvested each year, and the land vacated after felling was prepared in time. According to diff...

Embodiment 3

[0047] In a forest farm in North China, the forest area was managed according to the method of the present invention. After many years, there were about 1200 trees per hectare in the forest area, with an average diameter at breast height of 21.0 cm. The number of species was gradually enriched. After deep processing, the comprehensive income increased by nearly 3 times. The output value has increased by nearly 4 times, and eco-tourism projects have been developed. The increase in income has further provided funds for forest protection and planting, forming a virtuous circle.

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Abstract

The present invention discloses an oak near-natural forest management operation method, and relates to the technical field of forest operation and management. The method comprises the steps of dividing a to-be-treated oak forest region into multiple regions, then dividing all forest trees into protected forest trees and cleared forest trees, cutting all the cleared forest trees in 7-10 years, clearing surface residues in cutting, performing land preparation on vacated land timely after cutting, and replanting broadleaf and coniferous forest trees timely according to different regions, whereinthe forest trees replanted in the regions are different in species; and finally performing management under forest, wherein the replanted coniferous forest trees account for 15-20% of the whole, the replanted broadleaf forest trees account for 60-65% of the whole, the number of the forest trees per hectare is 850-1,200, and the mean diameter at breast height is 15.5-21.0 cm. According to the method, the economic value and the biodiversity of the modified forest region are obviously improved, the under-forest economy is coordinatively developed, the stability of the forest ecological system isimproved, disease and pest control and forest fire prevention are promoted, and a new idea is provided for sustainable development and protection of the forest region.

Description

technical field [0001] The invention relates to the technical field of forest management, and more specifically relates to a method for managing oak near-natural forests. Background technique [0002] my country's existing forest area is 208 million hectares, with large forest resources, but the forest quality is not high. Due to years of unreasonable harvesting and utilization, large areas of forests are gradually replaced by secondary forests. [0003] In North China, in the existing near-natural forests, oak trees are often single-dominant trees, causing various problems, such as decline in biodiversity, pests and diseases, fire-prone and serious secondary growth, resulting in a year-by-year decline in economic value. Conventional tending and thinning is an important technical measure of forest management. Its purpose is to adjust the species composition and density of the stand, improve the environment in the forest, increase the productivity of the stand, enhance the la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G23/00
CPCA01G17/005A01G23/00Y02A40/28
Inventor 张忠辉何怀江张大伟包广道罗也赵珊珊林士杰
Owner JILIN CITY ACADEMY OF FORESTRY
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