Method for evaluating grassland degradation degree

A technology of degraded degree and grassland, applied in the direction of design optimization/simulation, resources, instruments, etc., can solve the problems of oversimplification and low applicability, and achieve the effect of strong versatility and objective and accurate evaluation

Inactive Publication Date: 2019-10-18
QINGHAI UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The impact of grassland degradation on the environment is particularly severe. The existing methods for collecting and processing grassland degradation information are too simple and have low applicability

Method used

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  • Method for evaluating grassland degradation degree
  • Method for evaluating grassland degradation degree
  • Method for evaluating grassland degradation degree

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0030] A method for evaluating the degree of grassland degradation is characterized in that it comprises the following steps:

[0031] Step 1: Collect and sort out the visual grassland vegetation information on the grassland to be evaluated manually or by machine to form a database;

[0032] Step 2: Divide the degree of grassland degradation into five types: non-degraded, slightly degraded, moderately degraded, severely degraded and extremely degraded;

[0033] Step 3: Classify the data in step 1, corresponding to the five types of grassland degradation in step 2, and then input the classified data into the computer-specific software to generate data sets of different colors, according to the data sets of different colors The distribution determines the grassland degradation degree information to be evaluated.

[0034] Step 4: Sampling and analyzing the soil on the grassland to be evaluated manually or by machine and recording the organic matter content;

[0035] Step 5: Com...

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Abstract

The invention relates to the technical field of grassland degradation improvement, in particular to a method for evaluating grassland degradation degree. The method comprises the following steps: performing data collection and arrangement on visual grassland vegetation information on grassland to be evaluated in a manual or mechanical mode to form a database; dividing grassland degradation degreesinto five types: non-degradation, mild degradation, moderate degradation, severe degradation and extreme degradation; classifying the data to correspond to five types of grassland degradation degreesrespectively, then inputting the classified data into computer special software to generate data sets of different colors, and judging grassland degradation degree information to be evaluated according to distribution of the data sets of different colors; sampling and analyzing the soil on the grassland to be evaluated in a manual or mechanical manner, and recording the content of organic matters; verifying the grassland degradation degree information by comparing and analyzing the soil organic matter content.

Description

technical field [0001] The invention relates to the technical field of grassland degradation improvement, in particular to a method for evaluating grassland degradation degree. Background technique [0002] In the long-term research on the ecological environment protection of Sanjiangyuan, scientific researchers have collected a large amount of data related to ecology, geography, geology, environmental science, sociology, economics and other aspects. However, due to the relationship between the disciplines of scientific researchers, they are often some isolated information data, which has the characteristics of this discipline and the isolation of data. For a long time, it has been relying on expert experience and using artificial methods to evaluate grassland degradation. In the long-term research work, aiming at the alpine meadows in the Sanjiangyuan area, an expert system for the classification decision-making and management of alpine meadow grasslands was developed by u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50G06Q10/06G06Q50/02
CPCG06Q10/0639G06Q50/02G06F30/20
Inventor 李春梅肖锋韦浩民欧为友尚永成苏丽萍
Owner QINGHAI UNIVERSITY
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