Application of GIS technology in monitoring and warning system for crop diseases and insect pests
2008
By researching and analyzing the crop diseases and insect pests, we find the distribution and spread of crop diseases and
insect pests have tight touch with the time and space information, which provides a premise of applying geography
information system (GIS) and spatial interpolation technology especially. By considering the particularity of spatial
interpolation on the plant diseases and insect pests in agriculture, the authors bring forward one new method: multifactors
spatial interpolation model. It is made up of many factors, such as spatial orientation relationship, topological
relationship, distance relationship and national weather conditions so on. Then, on the basis of building the multi-factors
spatial interpolation model, the monitor and warning system of crop diseases and insect pests is constructed by using GIS
technology and ArcIMS software. The basic functions, such as map visualization, information query, data input, data
management, spatial interpolation, are implemented. What's more, by using the multi-factors spatial interpolation model,
the effluence and spread speed of crop diseases and insect pests are showed and the monitoring and early-warning of
crop diseases and insect pests is implemented.
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