基于遥感与GIS技术的川产道地药材川贝母适宜区研究——以暗紫贝母为例

Study on the Suitable Distribution Regions of Fritillariae Cirrhosae Bulbus Produced in Sichuan Based on Remote Sensing and GIS-A Case Study of Fritillaria Unibracteata

本文根据川产道地药材暗紫贝母的生长适宜性要求,通过遥感与GIS空间分析、空间数据建库等技术,提取土地利用信息,结合暗紫贝母生长的环境指标进行量化和综合分析,得到川产道地药材暗紫贝母的适宜分布范围。结果表明,四川省红原、松潘、若尔盖、九寨沟、茂县、黑水、理县、平武、马尔康等地等地区为川产道地药材暗紫贝母的适宜分布区域,其中红原、松潘、若尔盖、茂县、黑水、马尔康、九寨沟7个县是暗紫贝母的主要分布地区,占适宜区总面积的45.2%。通过实地暗紫贝母资源调查得知,本次研究结果与暗紫贝母在四川省的实际产地基本吻合。研究表明利用GIS与遥感技术对暗紫贝母适宜区进行研究具有科学性和可行性,为暗紫贝母种植的区域布局提供信息支持。

The suitable distribution regions of Fritillaria unibracteata, one of the famous Daodi-herbs produced in Sichuan Province was studied by remote sensing and GIS spatial analysis of the suitable environmental indicators of Fritillaria unibracteata. The results showed that the suitable regions of Fritillaria unibracteata were Hongyuan, Songpan, Ruoergai, Jiuzhaigou, Maoxian, Pingwu, Heishui, Lixian and Maerkang, etc. Hongyuan, Songpan, Ruoergai, Jiuzhaigou, Maoxian, Heishui and Maerkang were the best suitable regions of Fritillaria unibracteata, accounting for 45.2% of the total suitable areas. It was learned from the field investigation of Fritillaria unibracteata that our results coincided with the wild investigation of Fritillaria unibracteata in Sichuan. Remote sensing and GIS technology is a suitable tool for investigation of Fritillaria unibracteata. Our results also provide support for rational planting and monitoring control of other wild herbs.