基于3S技术的羌活区划研究Ⅱ.基于协同克里金插值的羌活品质适宜性分析及评价
[摘要]药用植物经济价值关注药效物质为基础的质量特征。很多药材的道地产区与其生长适宜区并不重合，这使得基于生态适宜性的传统区划方法在中药材生产实际应用中有很大局限。为解决药材的高品质区域与高产量区域空间分离的问题，该研究以羌活药材为例提出综合药材品质参数的中药材区划方法。该文在基于协同克里金，结合药材品质空间差异，进行空间插值并进行空间叠加，得到羌活药材品质适应性区划图，再对药材品质与生长适宜性区划图进行空间叠加，构建优质高产药材区划图。结果显示，协同克里金插值构建基于药材品质数据的空间插值是可行的，理论值与实测值极显著相关，为建立基于品质适宜性的药材生产区划方法提供了理论基础；羌活药材品质区划显示品质最适区主要分布在四川省（约占2942%），但品质适宜性与生态适宜性在空间分布上不完全吻合，显示羌活药材的品质适宜性与生态适宜性存在空间分布差异。研究结果有助于为生态适宜性和品质适宜性空间不重合药用植物的优质高产人工栽培的生产和区划提供定量依据。
[关键词]羌活； 药材品质； 协同克里金插值； 品质适宜性
[Abstract]Quality characteristics based on active substance are focused for in the cultivation of traditional Chinese medicine（TCM） plants due to their economic values However， ecological and quality suitability are not always a coincidence， which makes traditional cultural regionalization for TCM cultivation based on ecological suitability have great limitations in practical applications A regionalization method integrated GIS and medicinal plants quality have been analyzed by using field quality data of Notopterygii Rhizoma et Radix as a case study Spatial interpolation based on medicine quality by Cokriging method is reasonable， and the predicted values of interpolation are correlated with measured values significantly， which shows that cultural regionalization for TCM cultivation based on spatial quality suitability is possible theoretically The results indicate that the most suitable areas for quality suitability were ...
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