[spring propagation and size dynamics characteristics of two kinds of bee populations in anhui province]. | systematical observations and researches were conducted on the population size dynamics of apis mellifera ligustica spi. and apis cerana cerana feb. in wanzhong, wanxi and wannan mountainous area in anhui province in 1997-1999. the results showed that the bee population size was influenced by climate and flower fertility, which was higher in spring and autumn, and lower in summer and winter. the propagation and renewal of a. mellifera in autumn were quicker than those of a. cerana cerana, while ... | 2002 | 12561176 |