Shrub biomass measurement model

A technology of biomass and shrubs, applied in the direction of biological systems, bioinformatics, special data processing applications, etc., to achieve the effect of improving calculation efficiency and accuracy

Inactive Publication Date: 2018-08-21
BEIJING FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the relatively small proportion of shrub biomass to tree biomass, and relatively few domestic and foreign studies on shrub biomass, it is necessary to establish a scientific shrub biomass measurement model

Method used

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Embodiment Construction

[0008] The shrubs are divided into several categories according to the region and species, and a certain number of samples are taken for different types. By measuring the branch diameter (d), crown width (W) and average height (H) of different types of shrubs, the samples are then baked. After drying, the biomass B of each component such as trunk, branch, leaf, bark and root was measured, and the a, b, c, and f parameters of the equation were obtained by fitting, so as to establish the calculation model of shrub biomass in this area. The specific method is as follows:

[0009] (1) evenly select 30 plants of the same type and in good growth state for the shrub forest to be measured, and measure its latitude and longitude coordinates;

[0010] (2) Measure the crown width (W) of the selected shrub with a steel tape, the crown width is the average value of the north-south and east-west width of the shrub, in meters, accurate to 0.1 meter; measure the plant height (H) with a steel ...

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Abstract

The invention provides a shrub biomass measurement model, and discloses a model formula for calculating shrub biomass. A power function equation among the shrub branch base diameter, the crown breadth, the height and the shrub biomass is built.

Description

1. Technical field [0001] The invention relates to a shrub biomass measurement model. 2. Technical Background [0002] Shrub forests, coniferous forests, broad-leaved forests, and bamboo forests constitute the four major types of forests in my country. They are an important terrestrial ecosystem type that exists widely in nature and are an important part of forest resources, accounting for 16.02% of the total forest land in the country. , in mitigating atmospheric CO 2 It plays an irreplaceable role in increasing the concentration of greenhouse gases and maintaining global climate stability. However, because shrub biomass accounts for a smaller proportion than tree biomass, and there are relatively few domestic and foreign studies on shrub biomass, it is necessary to establish a scientific shrub biomass measurement model. 3. Contents of the invention [0003] In order to accurately calculate the shrub biomass, the present invention proposes a power function equation betwe...

Claims

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Application Information

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IPC IPC(8): G06F19/12
CPCG16B5/00
Inventor 冯仲科申朝永赵修莉
Owner BEIJING FORESTRY UNIVERSITY
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