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Method for analyzing carbon sink structure of small-khingan acicular-broad-leaved mixed forest based on carbon reserve distribution state

A distribution state and mixed forest technology, applied in the field of forest analysis, can solve the problems of insufficient depth of spatial heterogeneity analysis and insufficient consideration of scale effects, etc.

Inactive Publication Date: 2020-06-26
HEILONGJIANG ACAD OF FORESTRY
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Problems solved by technology

[0004] The current research on carbon storage of forest vegetation does not analyze the spatial heterogeneity deeply enough, the main reason is that the scale effect is not fully considered
There is little research on this

Method used

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  • Method for analyzing carbon sink structure of small-khingan acicular-broad-leaved mixed forest based on carbon reserve distribution state
  • Method for analyzing carbon sink structure of small-khingan acicular-broad-leaved mixed forest based on carbon reserve distribution state
  • Method for analyzing carbon sink structure of small-khingan acicular-broad-leaved mixed forest based on carbon reserve distribution state

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Embodiment 1

[0091] Primary forests, lightly felled Korean pine-spruce forests, larch-spruce fir forests, over-cut forests, and bare-land secondary forests in Fenglin Nature Reserve and its subordinate Lilin Experimental Forest Farm in Heilongjiang Province were selected as analysis objects.

[0092] Table 3 below shows the forest types and important values ​​of the sample plots

[0093]

[0094] 1) Community characteristics of coniferous and broad-leaved mixed forests in primary forests

[0095] The original representative vegetation of the Xiaoxing’an Mountains is the Korean pine broad-leaved mixed forest, and the original vegetation of the Korean pine broad-leaved forest in the Lilin Experimental Forest Farm (sample plot 01) and the Fenglin Nature Reserve (sample plot 02) were respectively selected for analysis. Both are the original vegetation of Korean pine broad-leaved mixed forest, but there are certain differences in tree species composition.

[0096] Tree species such as Acer ...

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Abstract

The invention relates to the technical field of forest analysis. The invention and particularly relates to a method for analyzing a carbon sink structure of a small-khingan acicular-broad-leaved mixedforest based on a carbon reserve distribution state. The method comprises the following steps: 1, preparing raw materials; setting a standard sample plot setting, adopting a sample method and an arbor positioning method to carry out are adopted. Sspecies identification, listing and positioning are carried out on arbor and small arbor plant individuals; measuring the tree height, the diameter atbreast height, the height under branches and the crown breadth; calculating carbon reserves are calculated, acquiring the spatial distribution pattern differentiation characteristic of the forest carbon reserves is obtained according to the carbon reserves, analyzing the sample plot spatial structure is analyzed through the vertical projection area, the mixing angle, the angular scale and the competition index, analyzing the carbon reserve distribution state is analyzed, discussing the variation situation of carbon reserve spatial distribution is discussed, and providing the carbon reserve spatial distribution characteristics of the coniferous and broadleaf mixed forest are provideds. The method invention has important significance for mastering the relationship between the forest space structure and the carbon reserves, and provides reference for discovering the defects existing in the development of the forest carbon reserves and searching for a higher sink increasing space.

Description

technical field [0001] The invention relates to the technical field of forest analysis, in particular to a method for analyzing the carbon sink structure of mixed coniferous and broad-leaved forests in the Xiaoxing'an Mountains based on the carbon storage distribution state. Background technique [0002] The coniferous and broad-leaved mixed forest in the Xiaoxing’an Mountains is the main zonal forest vegetation in Northeast my country and a typical temperate mixed coniferous and broad-leaved forest. It has the characteristics of unique construction species, rich species diversity, and complex spatial structure. As much as 1 / 3 of the total forest area, it plays an important role in my country's forest carbon sink research and environmental protection. [0003] At present, most of the research on the spatial distribution of forest carbon stocks is based on the sub-class statistics collected by administrative provinces / counties, and the estimation accuracy is generally low. So...

Claims

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Application Information

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IPC IPC(8): G06Q50/02G06Q10/04G06Q10/06
CPCG06Q10/04G06Q10/0639G06Q50/02Y02P90/84
Inventor 刘滨凡王文帆崔崧肖锐冯磊廖春光李丹张东来刘延滨李东玖刘广菊孙庆芳
Owner HEILONGJIANG ACAD OF FORESTRY
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