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author:

Huang Xu-ying (Huang Xu-ying.) [1] | Xu Zhang-hua (Xu Zhang-hua.) [2] (Scholars:许章华) | Lin Lu (Lin Lu.) [3] | Liu Jian (Liu Jian.) [4] | Zhong Zhao-quan (Zhong Zhao-quan.) [5] | Zhou Hua-kang (Zhou Hua-kang.) [6]

Indexed by:

SCIE PKU CSCD

Abstract:

The paper aims to obtain the characteristic wavelengths of moso bamboo leaves damaged by Pantana phyllostachysae chao, with which the pest can be identified effectively and accurately. 105 hyperspectral data collected in Shunchang County, Fujian Province were randomly divided into two groups, i.e. the experimental group (71) and verificantion group (34). Selecting wavelengths which were highly significant differences between different pest levels group by One-way ANOVA. The wavelengths were screened by combining the wave band of the commonly used remote sensing satellite. The ability to discriminate between the pests of the selected wavelengths was analyzed by the Euclidean distance method, spectral angle mapping method and correlation coefficient method. According to the analysis results, the characteristic wavelengths were obtained and verified. The results showed that: (1) the spectral reflectance of moso bamboo leaves damaged by P. phyllostachysae were significantly lower than that of healthy leaves, and the higher the pest level is, the lower the reflectance will be; (2) with the increase in pest level, the spectral reflectance curves' "green peak" and "red balley" of Pinus massoniana gradually disappeared, and the red edge was leveled; (3) the characteristic wavelengths of 703.43 similar to 898.56 nm (original spectrum) and 497.68 similar to 540.72, 554.53 similar to 585.25, 596.24 similar to 618.23 nm (first derivative spectrum) were determined, which had good response ability at different pest levels. Our findings will not only provide the theoretical guidliances for "ground-space" coupling, but also provide important basis for establishing the system of pest remote sensing monitoring technology.

Keyword:

Characteristic wavelengths Derivative spectrum Moso bamboo leaves Pantana phyllostachysae Chao Shunchang County

Community:

  • [ 1 ] [Huang Xu-ying]Fuzhou Univ, Coll Environm & Resources, Fuzhou 350116, Fujian, Peoples R China
  • [ 2 ] [Xu Zhang-hua]Fuzhou Univ, Coll Environm & Resources, Fuzhou 350116, Fujian, Peoples R China
  • [ 3 ] [Lin Lu]Fuzhou Univ, Coll Environm & Resources, Fuzhou 350116, Fujian, Peoples R China
  • [ 4 ] [Xu Zhang-hua]Fuzhou Univ, Postdoctoral Res Stn Informat & Commun Engn, Fuzhou 350116, Fujian, Peoples R China
  • [ 5 ] [Xu Zhang-hua]Fujian Prov Key Lab Resources & Environm Monitori, Sanming 365004, Peoples R China
  • [ 6 ] [Liu Jian]Fujian Prov Key Lab Resources & Environm Monitori, Sanming 365004, Peoples R China
  • [ 7 ] [Xu Zhang-hua]Minist Educ, Key Lab Spatial Data Min & Informat Sharing, Fuzhou 350002, Fujian, Peoples R China
  • [ 8 ] [Zhong Zhao-quan]State Owned Forest Farm Shunchang Cty, Nanping 353200, Peoples R China
  • [ 9 ] [Zhou Hua-kang]Yanping Dist Forestry Bur Nanping, Nanping 353000, Peoples R China

Reprint 's Address:

  • 许章华

    [Xu Zhang-hua]Fuzhou Univ, Coll Environm & Resources, Fuzhou 350116, Fujian, Peoples R China;;[Xu Zhang-hua]Fuzhou Univ, Postdoctoral Res Stn Informat & Commun Engn, Fuzhou 350116, Fujian, Peoples R China;;[Xu Zhang-hua]Fujian Prov Key Lab Resources & Environm Monitori, Sanming 365004, Peoples R China;;[Xu Zhang-hua]Minist Educ, Key Lab Spatial Data Min & Informat Sharing, Fuzhou 350002, Fujian, Peoples R China

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Source :

SPECTROSCOPY AND SPECTRAL ANALYSIS

ISSN: 1000-0593

CN: 11-2200/O4

Year: 2018

Issue: 12

Volume: 38

Page: 3829-3838

0 . 4 3 4

JCR@2018

0 . 7 0 0

JCR@2023

ESI HC Threshold:209

JCR Journal Grade:4

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 3

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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