作者: Edwin H. Bryant
DOI: 10.1007/BF02514508
关键词: Instantaneous rate 、 Agronomy 、 Biology 、 Stochastic modelling 、 Botany
摘要: 1. A stochastic model was applied to the changes in distribution of aphids on plants a field determined by their plant-to-plant movements. 2. The expected numbers were calculated for 5 days an experiment reported byShiyomi (1967) and compared with observed frequencies at these times.