黑龙江省东南部林区6种啮齿动物食性分析

Analysis on the Feeding Habits of Six Kinds of Rodents in the Southeast Forest Region of Heilongjiang Province

为了准确掌握黑龙江省东南部地区对农林危害比较严重的啮齿动物的食性及食物量,以便更好地、有针对性地灭鼠,从而为林业部门预防鼠害提供科学依据,于2010年3月—2011年1月通过实地考察,对捕获的鼠进行解剖,并结合实验室喂养进行食物量测定。结果表明,种子和浆果是树栖型种类啮齿动物的主要食物,约占70%左右;而地栖型种类啮齿动物的食物存在明显的季节性和地域性差异。

In order to master the feeding habits and food quantity of rodents with severe damage to the agriculture and forestry in the southeast region of Heilongjiang Province,the field survey was made from March of 2010 to January of 2011,so as to kill rodents and provide scientific basis for preventing rodent harms in departments of forestry.The captured rats were and fed in the laboratory and anatomized to measure the food quantity.The results showed that the seeds and berries were the staple food of arboreal rodents,accounting for about 70%.While the foods of epigeal rodents had evident seasonal and regional difference.