Dynamic evaluation and partition early warning system for region land deterioration

A land degradation and dynamic early warning technology, applied in the field of agricultural resources and environment, can solve problems that rarely involve the difference in the distribution of dynamic changes of different degradation types

Inactive Publication Date: 2008-06-18
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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Problems solved by technology

[0027] However, so far, most of the research work at home and abroad has focused on the evaluation of the spatial change or degradation of a specific region or specific land type, and rarely involves the dynamic change and spatial distribution of different degradation types in time series difference
Moreover, most of the research work on land deg

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  • Dynamic evaluation and partition early warning system for region land deterioration
  • Dynamic evaluation and partition early warning system for region land deterioration
  • Dynamic evaluation and partition early warning system for region land deterioration

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Embodiment Construction

[0101] Utilize the principle of the present invention to complete the project "Limited Model Research on Safe Breeding of Livestock and Poultry in Heilongjiang Province" according to the above method and procedure.

[0102]This invention transforms the cumbersome and complicated weight determination and effect inspection problems in the analytic hierarchy process into a simple, fast and accurate software calculation model. Using the idea of ​​spatio-temporal dynamic simulation to dynamically evaluate the land degradation process in the region, it improves the limitation of the AHP that only statically evaluates at a certain moment, and integrates dynamic evaluation and dynamic early warning, which can not only trace the historical evolution trajectory, but also can Predicting the future development trend is a rare dynamic monitoring, price and dynamic early warning system in the process of regional agricultural environmental assessment and governance or planning and decision-ma...

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Abstract

The invention belongs to the field of agricultural resources and environment, in particular to a dynamic evaluation and warning system for regional ecological environment. Through the dynamic monitoring and evaluation on the regional land degradation and the design of division warning system, the dynamic evaluation and warning system can scientifically, completely and dynamically describe the space-time evolution of regional agricultural resources and environment, which comprises the establishment of an index system, the determination of indexes ordering, the calculation of index weight and the development of effect testing software; dynamic and quantitative simulation to land degradation is carried out according to time sequence, while the division warning to regional land degradation is carried out according to geographical space. The invention can not only trace the evolution path of resources and environment, but also reveal the future evolution trend of regional land degradation in every period and every region to find out regional difference and limiting factor of land degradation and put forward resources optimal allocation model of sustainable development and countermeasure of sustainable development on regional agriculture.

Description

technical field [0001] The invention belongs to the field of agricultural resources and environment. It is an important method for dynamic quantitative evaluation and early warning of resources and environment in both time and space. On this basis, dynamic linear simulation and dynamic trend early warning of regional environmental evolution trends can be carried out, providing scientific information for macro-control in the fields of agriculture and social development. theoretical basis. Whether human beings can develop sustainably is related to the guarantee and support capabilities of resources and environment. How to judge the coordination relationship between sustainable development and resource and environment systems is the key to correctly grasping the trend of sustainable development of human beings. technical background [0002] Land degradation refers to the decline or loss of land productivity. Its manifestations include soil erosion, land desertification, soil ...

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Application Information

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IPC IPC(8): G06Q50/00G06Q50/02
Inventor 刘志强陈丽荣程叶青梁桂荣兰志华
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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