A recovery method after fire-burned Larix Xing'an Larch forest in cold temperate zone

A technology for burning burned areas and revitalizing fallen leaves, applied in forestry, application, agriculture, etc., can solve problems such as the inability to meet the ecological restoration project construction of large-scale burned areas, the lack of post-fire restoration mode and technology, and achieve rapid restoration of original functions, The effect of promoting positive succession

Inactive Publication Date: 2015-11-18
INST OF FOREST ECOLOGY ENVIRONMENT & PROTECTION CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a lack of detailed and systematic post-fire restoration models and technologies for this type of forest, which cannot meet the needs of ecological restoration projects for large-scale burned areas.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0072] Examples of Restoration of Provenance Available in Mild / Moderate Burned Areas

[0073] The implementation site of this embodiment is located in the Songling Forestry Bureau of Daxinganling Mountains, and the implementation year is 2011.

[0074] (1) Investigation of burnt areas:

[0075] To determine the exact time a bushfire occurred:

[0076] The exact time of the forest fire was determined to be June 2006 by searching the forest fire files. Determining the level of damage to the burnt area:

[0077] 19% of standing trees were damaged, which belonged to slightly damaged fire-stricken land.

[0078] Determine pre-fire stand conditions:

[0079] It is determined by searching historical archives and the remaining larch in the burned area: the composition of the pre-burned forest

[0080] It is a mature forest and has begun to bear fruit in large quantities; the average diameter at breast height of the burnt larch mother tree is 23cm. Judging whether the mother larc...

Embodiment 2

[0111] Examples of recovery by manual seeding where provenance cannot be provided in light / moderately burned areas

[0112] The implementation site of this embodiment is located in the Daxinganling Hanyuanzi Forestry Bureau, and the implementation year is 2011.

[0113] (1) Investigation of burnt areas:

[0114] To determine the exact time a bushfire occurred:

[0115] By searching the forest fire files, it is determined that the exact time of the forest fire occurred in May 2006; to determine the damage level of the burned area:

[0116] 19% of standing trees were damaged, and the land was slightly damaged by fire;

[0117] Determine pre-fire stand conditions:

[0118] According to historical archives and the remains of larch in the burned area, it was found that the pre-fire forest is divided into young, middle and young

[0119] In the old forest, the average diameter of the mother larch is 11cm, and a large number of trees have not yet become fruitful.

[0120] Judgin...

Embodiment 3

[0150] Examples of using artificial seedlings to restore seedlings where provenance cannot be provided in light / moderate fires

[0151] The implementation site of this embodiment is located in the Daxinganling Hanyuanzi Forestry Bureau, and the implementation year is 2012.

[0152] (1) Investigation of burnt areas:

[0153] To determine the exact time a bushfire occurred:

[0154] By searching the forest fire files, it is determined that the exact time of the forest fire occurred in May 2006; to determine the damage level of the burned area:

[0155] 19% of standing trees were damaged, which belonged to slightly damaged fire-stricken land; determine the forest stand status before the fire:

[0156] According to historical archives and larch left in the burned area, it is found that the pre-fire forest is divided into middle-aged and young forests, and the average diameter of the mother larch tree is 11cm, which has not yet become fruitful.

[0157] Judging whether the mothe...

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PUM

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Abstract

The invention provides a post-fire recovery method for a cold temperate zone grass type Xing'an larch forest burned area, and aims to put forward a detailed and systematic post-fire recovery method specific to burned areas of the grass type Xing'an larch forests in various damage extents. According to the recovery method for the cold temperate zone grass type Xing'an larch forest burned area in various conditions, through a burned area survey, the exact time of the forest fire, the damaged level of the burned area, the forest stand forest stand before the fire, the condition that whether larch seed trees in the burned area can provide sufficient provenances for area renewal or not, the site condition survey of the burned area and renewed plant investigation of the burned area can be determined, through the judge of seed year, different damage levels can be determined, and whether larch can provide sufficient provenances for area renewal or not can be determined, so that a technical support for large area burned area ecological restoration engineering construction is provided.

Description

technical field [0001] The invention relates to the technical field of ecological restoration, in particular to a post-fire restoration method for cold-temperate grass Xing'an larch forests burned. Background technique [0002] The cold temperate coniferous forest in Northeast China is the southernmost part of the Eurasian coniferous forest region across the northern part of Eurasia, and belongs to the southward extension of the southern bright coniferous forest in East and West Besia. This area is one of the main timber forest bases in my country, with a forest vegetation coverage rate of over 70%. Xing'an larch is the dominant tree species in this area. [0003] Xing'an larch has a wide range of adaptation, and can grow into forests in relatively dry and barren gravel mountains and wet swamps. Its root system has strong plasticity. It can not only form a well-developed root system on deep and fertile soil, grow into a tall forest, but also form a shallow root system on t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G23/00
Inventor 赵凤君舒立福王立中周俊亮杨光田晓瑞王明玉高仲亮
Owner INST OF FOREST ECOLOGY ENVIRONMENT & PROTECTION CHINESE ACAD OF FORESTRY
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