Research of spatio-temporal analysis of agricultural pest
2009
The increase of agricultural pest disasters in recent years has become one of major problems in agriculture harvest; how
to predict and control the disasters of agricultural pest has thus attracted great research interest. Although a series of
works have been done and some achievements have been attained, the knowledge in this area remains limited. The
migration of agricultural pest is not only related to the time variation, but also the space; consequently, the population of
agricultural pest has complex spatio-temporal characteristics. The space factor and the temporal factor must be
considered at the same time in the research of dynamics changes of the pest population. Using plant hoppers as an object
of study, this study employed the biological analogy deviation model to study the distribution of pest population in
different periods of time in Guangdong Province. It is demonstrated that the population distribution of plant hoppers is
not only related to the space location, but also has a certain direction. The result reported here offers help to the monitor,
prevention and control of plant hoppers in Guangdong Provinces.
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