南京地区农田害鼠种群数量变化及原因分析

Changes of Farmland Rodent Population Quantity in Nanjing and Its Reason Analysis

对近年来南京地区农田害鼠种群数量变化进行分析。结果显示,南京地区农田鼠密度和鼠害损失均呈下降趋势,种群结构变化不大,究其原因,主要有极端气候条件的影响、生态环境的改变、科学灭鼠措施的普及、天敌增多等。

Based on the analysis of changes of farmland rodent population quantity in Nanjing in recent years, the results showed that the density of rodents and losses of rodent pests all showed a downward trend in Nanjing, but the structure of the population did not change much. The reasons were mainly the effects of extreme climatic conditions, the change of ecological environment, the popularization of scientific deratization measures and the increase of natural enemies.