作　　者： ; ; ; ; ;

机构地区： 中国科学院

出　　处： 《生态学杂志》 2013年第10期2830-2836,共7页

摘　　要： 为了有效减少洞庭湖区东方田鼠对农业生产造成的损失,采用样点调查的方法对东方田鼠灾害进行了调查。自2003年开始,在洞庭湖区设置8个典型调查点,对每个调查点连续调查至少3年,每个季节至少调查1次。结果表明:不同地点东方田鼠的暴发风险等级存在差异,东洞庭湖是暴发风险等级较高的地区;东方田鼠种群的年内波动为单峰,且峰值出现在夏季;东洞庭湖西岸洲滩为东方田鼠的主要迁出地,东洞庭湖东岸则主要是由于迁入的东方田鼠而导致鼠害发生。通过分析不同地点东方田鼠成灾的规律,建立相应的预警模型,能够实现东方田鼠的综合管理。 An investigation was conducted on the Microtus fortis disaster in the Dongting Lake region of China, aimed to effectively reduce the agricultural production loss caused by this vole. Since 2003, 8 typical sampling sites along the Lake were installed, and the investigation at each site was conducted at least once in each season for more than 3 years. There existed differences in the outbreak risk degree of the M. fortis at different sites, and the East Dongting Lake area was considered as the higher outbreak risk region. The M. fortis population had a singlepeak fluctuation within a year, and peaked in summer. The west bank of East Dongting Lake was the main emigrated area of M. fortis, while the east bank of the Lake was the main immigrated area of this vole, causing the occurrence of M. fortis disaster. There was a close correlation between the quantity and the infection degree of the immigrated M. fortis. Through the analysis on the occurrence patterns of M. fortis disaster at different sites, a corresponding forecast model was established, which could be helpful to the integrative management of M. fortis disaster.

关 键 词： 东方田鼠 预警模型 暴发风险 有害生物管理

领　　域： [农业科学] [农业科学]