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Volume 2 Issue 6
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Article Navigation >  Forest Research  > 1989 >  2(6): 582-586

Citation:
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THE PHPR OF THE PINE CATERPILLAR (DENDROLIMUS TABULAEFORMIS TSAI ET LIU) Ⅲ.AN EXPLORATION OF MATHEMATICAL MODEL OF CRITICAL PHOTOPERIOD

  • 1.

    Application Mathematic Department of Campus of Beijing University

  • 2.

    The Research Institute of Forestry CAF

  • Received Date: 1988-10-06
  • The factors influencing the developmental rate of the pine caterpillar in Beijing area were studied and analysed.In this paper,a mathematical model of critical photoperiod was explorated,with emphasis on the influence of temperature and photoperiod,based on the experimental data.A diagram showing the variation of the developmental rate was given under various temperatures and photoperiods,The results may be able to provide some basis and convenience for forecasting the population dynamics of the pine caterpillar in the forest.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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THE PHPR OF THE PINE CATERPILLAR (DENDROLIMUS TABULAEFORMIS TSAI ET LIU) Ⅲ.AN EXPLORATION OF MATHEMATICAL MODEL OF CRITICAL PHOTOPERIOD

  • 1. Application Mathematic Department of Campus of Beijing University
  • 2. The Research Institute of Forestry CAF
  • Received Date: 1988-10-06
  • Available Online: 2012-12-04

Abstract: The factors influencing the developmental rate of the pine caterpillar in Beijing area were studied and analysed.In this paper,a mathematical model of critical photoperiod was explorated,with emphasis on the influence of temperature and photoperiod,based on the experimental data.A diagram showing the variation of the developmental rate was given under various temperatures and photoperiods,The results may be able to provide some basis and convenience for forecasting the population dynamics of the pine caterpillar in the forest.

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