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STUDIES ON THE SEASONAL POPULATION FLUCTUATION IN RATTUS RATTOIDES

ZHENG Zhimin1, HUANG Yingxiu2   

  1. 1. Xiamen Anti-epidemic and Health Center;
    2. Xiamen Suburban Station of Anti-Epidemic and Health
  • Online:2011-11-23 Published:2011-11-22

黄毛鼠种群数量季节变动及其影响因素的研究

郑智民1, 黄应修2   

  1. 1. 厦门市卫生防疫站;
    2. 厦门市集美区卫生防疫站

Abstract: The seasonal fluctuation of R. rattoides in Xinglin, Xiamen from March 1979 to February 1981 exhibited a high-low-high annual pattern.The first peak occurred in spring (April) and the second in winter (December to February), with a sight increase from August to September.The amount of R. rattoides living in vegetable plots essentially determined the quantitative pattern in comparison with those of other habitats. Of the 894 individuals investigated, the sex ratio is 1:1.2(♀:♂); the average number of fetuses and the survival rate of newborns are the highest in autumn, in accordance with the sustained population peak in winter.The quantitative fluctuation of R. rattoides population has related to temperature, relative humidity and rainfall, as well as the farming activities.

Key words: Turkestan rat, Rattus rattoides, Population number, Seasonal fluctuation

摘要: 黄毛鼠是农业、卫生保健事业的主要害鼠之一,其种群数量的季节变动明显地表现为初春的数量上升,夏秋季低数量和冬季持续高数量3个阶段。数量消长曲线呈马鞍形。 菜地是黄毛鼠良好的栖息地,鼠密度终年多保持在较高的水平;旱地的鼠密度稍高;水田的鼠密度较低。 黄毛鼠种群数量的季节变动主要是种群的繁殖力和年龄组成变化的反映,同时又受到气候条件和农业生产活动的制约。

关键词: 黄毛鼠, 种群数量, 季节变动