论文部分内容阅读
本文对大兴安岭东南部草原的达乌尔黄鼠及寄生蚤的垂直分布与鼠疫流行病关系进行了初步研究。随着海拔高度的增加，黄鼠数量逐渐减少，其方形黄鼠蚤松江亚种无论体蚤还是巢蚤所占比例随之减少，黄鼠鼠疫和人间鼠疫流行的年次亦随之减少。而方形黄鼠蚤松江亚种与达乌尔黄鼠的有鼠样方率呈显著的正相关（γ巢＝０．９５４９，Ｐ＜０．０１；γ体＝０．９３０５，Ｐ＜０．０１）。阿巴盖新蚤与方形黄鼠蚤松江亚种所占比例状况截然不同，该蚤所占比例与达乌尔黄鼠的有鼠样方率呈显著负相关（γ巢＝－０．９５１４，Ｐ＜０．０１；γ体＝０．９４４９，Ｐ＜０．０１）
In this paper, the relationship between the vertical distribution of Daurian ground squirrels and parasitic fleas in the southeastern part of Daxinganling and the plague epidemic was studied. With the increase of altitude, the number of yellow rat decreased gradually, and its proportion of either body flea or nest flea decreased along with the reduction of the annual number of plague and plague. However, there was a significant positive correlation between the rat-like quadrats of T. gonorrhoeae and S. dulcis (γ = 0.9549, P <0.01; γ = 0.9305, P <0). 01). The proportion of Nephotettix striatellus and Quercus mongolicus was significantly different, and the proportion of this flea was negatively correlated with the rat-like square of Daurian ground squirrel (γ = 0.9514, P <0.01; γ body = 0.9449, P <0.01)