Natural Resource Monitoring of Rheum tanguticum by Multilevel Remote Sensing

文献类型： 外文期刊

第一作者： Xie, Caixiang

作者： Xie, Caixiang;Song, Jingyuan;Suo, Fengmei;Li, Xiwen;Li, Ying;Xu, Xiaolan;Luo, Kun;Li, Qiushi;Xin, Tianyi;Yu, Hua;Guan, Meng;Xu, Xiuhai;Miki, Eiji;Takeda, Osami;Chen, Shilin

作者机构：

期刊名称：EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE （ 影响因子：2.629； 五年影响因子：2.845 ）

ISSN： 1741-427X

年卷期： 2014 年

页码：

收录情况： SCI

摘要： Remote sensing has been extensively applied in agriculture for its objectiveness and promptness. However, few applications are available for monitoring natural medicinal plants. In the paper, a multilevel monitoring system, which includes satellite and aerial remote sensing, as well as ground investigation, was initially proposed to monitor natural Rheum tanguticum resource in Baihe Pasture, Zoige County, Sichuan Province. The amount of R. tanguticum from images is M = S*rho and S is vegetation coverage obtained by satellite imaging, whereas rho is R. tanguticum density obtained by low-altitude imaging. Only the R. tanguticum which coverages exceeded 1 m(2) could be recognized from the remote sensing image because of the 0.1 m resolution of the remote sensing image (called effective resource at that moment), and the results of ground investigation represented the amounts of R. tanguticum resource in all sizes (called the future resource). The data in paper showed that the present available amount of R. tanguticum accounted for 4% to 5% of the total quantity. The quantity information and the population structure of R. tanguticum in the Baihe Pasture were initially confirmed by this system. It is feasible to monitor the quantitative distribution for natural medicinal plants with scattered distribution.

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