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Chinese Journal of Applied Entomology. 2020, (06) Core

Geostatistical analysis of the spatial distribution of Dendroctonus valens in Pinus tabuliformis forests with different levels of infestationChinese Full Text

GAO Bing-Tao;REN Li-Li;JIANG Qi;LIU Yi-Zhou;YU Lin-Feng;LUO You-Qing;Beijing Key Laboratory for Forest Pest Control, Beijing Forestry University;

Abstract: [Objectives] To analyze the spatial distribution of Dendroctonus valens LeConte, a major invasive pest that threatens the ecological security of pine forests in northern China. [Methods] The spatial distribution of entrance holes in four infested forests with different levels of infestation was studied using geostatistical methods. [Results] D. valens had an aggregated distribution in different forests, but its spatial distribution differed with level of infestation. The spherical model best app... More
Keywords：

Dendroctonus valens; new range; infestation levels; geostatistics; aggregated distribution;

  • Series：

    (A) Mathematics/ Physics/ Mechanics/ Astronomy; (D) Agriculture

  • Subject：

    Plant Protection; Forestry

  • Classification Code：

    S763.7

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