RVI Index Characteristic of Uranium Accumulation Dominant Plants

doi:10.11924/j.issn.1000-6850.casb15120090

Chinese Agricultural Science Bulletin ›› 2016, Vol. 32 ›› Issue (18): 96-99.doi: 10.11924/j.issn.1000-6850.casb15120090

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RVI Index Characteristic of Uranium Accumulation Dominant Plants

Wu Lianxi^1,2, Li Jiazhen²

(¹Jiangxi Key Lab for Digital Land, Nanchang 330013; ²Faculty of Geomatics, East China University of Technology, Nanchang 330013)

Received:2015-12-15 Revised:2016-01-21 Accepted:2016-01-25 Online:2016-06-28 Published:2016-06-28

Abstract

Abstract: The paper aims to study the impact mechanism of uranium on plant spectrum. Three kinds of plants, including Phytolacca acinosa Roxb, Dichotomy Forked Fern and Vitex negundo Linn., in uranium ore area and non-uranium ore area were studied by using SVC HR-768 portable field spectrometer for spectral data acquisition. Chemical analysis results showed that uranium content of Phytolacca acinosa Roxb and Dichotomy Forked Fern in the uranium ore area was significantly higher than those in the non-uranium ore area, respectively; the uranium content of Vitex negundo Linn. in the uranium ore area was similar to that in the non-uranium ore area. The RVI curve analysis results showed that RVI curve of pokeweed, Dichotomy Forked Fern in the uranium ore area was higher than that in the non-uranium ore area, respectively; however, RVI curve of Vitex negundo Linn. in the uranium ore area overlapped each other with that in the non-uranium ore area. The study results indicated that uranium had an obvious impact on the spectrum of uranium-accumulated plant such as Phytolacca acinosa Roxb and Dichotomy Forked Fern; however, had no obvious effect on that of non-uranium accumulation plant, such as Vitex negundo Linn. Also, the study results proved that RVI curve could be used as an indicator of spectroscopy for uranium accumulation plant.

Wu Lianxi and Li Jiazhen. RVI Index Characteristic of Uranium Accumulation Dominant Plants[J]. Chinese Agricultural Science Bulletin, 2016, 32(18): 96-99.

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RVI Index Characteristic of Uranium Accumulation Dominant Plants

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