Quantitative research method of stand structure for protection forest

A technology of stand structure and shelterbelt, applied in the field of quantitative research on shelterbelt stand structure, can solve the problems of insufficient index selection and unscientific results of stand structure, and achieve realistic operability and feasibility, rapid results and credible results. The effect of wide degree and suitability

Inactive Publication Date: 2012-07-18
BEIJING FORESTRY UNIVERSITY
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Problems solved by technology

[0003] When the above-mentioned prior art is analyzing and researching the stand structure, the index selection is not comprehensive enough, and the result of the stand structure obtained is not scientific enough

Method used

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  • Quantitative research method of stand structure for protection forest
  • Quantitative research method of stand structure for protection forest
  • Quantitative research method of stand structure for protection forest

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Embodiment Construction

[0026] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0027] figure 1 The quantitative research method flowchart of the protection forest stand structure of the embodiment of the present invention is shown, as shown in the figure, this quantitative research method comprises the following steps:

[0028] S1: Organize the data of each tree ruler in the target stand structure into csv format.

[0029] This belongs to the preliminary data processing step. The data of DBH, tree height and crown width of each tree in the stand structure are sorted out, and the data format is csv format.

[0030] S2: converting the data in the csv format into a visual color map corresponding to the data.

[0031] Specifically, compile the program...

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Abstract

The invention belongs to the technical field of forest science and discloses a quantitative research method of a stand structure for a protection forest. The method comprises the following steps of: arranging data of every wood scale in a target stand structure into data of csv format; converting the data of csv format into corresponding visible color images; performing gray processing on the visible color images; overlaying the processed images so as to obtain a color image; performing gray processing on the color image obtained by overlaying so as to obtain a gray scale image; and determining the information index and stability of the stand structure by using the determined gray scale image. Data of the stand structure is converted into an image for processing by R software, Photoshop software and ENVI software, so that comprehensive reflection information of the index of the stand structure is finally obtained and the complexity and stability of the stand structure are evaluated. The method has practical operability, feasibility and wider adaptability and can be used easily and quickly to evaluate a forest structure, in particular a three-dimensional space structure, and resultreliability is high.

Description

technical field [0001] The invention relates to the field of forestry science and technology, in particular to a quantitative research method for the stand structure of a protective forest. Background technique [0002] Based on the analysis of various indicators of the forest ecosystem stand, combined with computer technology to study the stand structure, the forest stability can be evaluated. In the existing research methods, the stand structure is studied by the graphical method, including the description of the tree crown and the vertical direction of the projection map; by establishing the model of the slope surface barrage conical tree crown projection boundary, the tree measurement factor, latitude and longitude, On the basis of changing elements such as slope, aspect, time (including time and date), the theoretical boundary model of slope projection Z(x', y')=0 is established to study the stand structure; through a digital surface elevation model based on ( DSM) and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/00G06T11/00
Inventor 余新晓陈丽华贾国栋史宇牛健植樊登星吴海龙信忠保李轶涛
Owner BEIJING FORESTRY UNIVERSITY
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