山西省未成林造林地野兔危害现状调查

为有效防治兔害,通过目测法和标准地法,对山西省未成林造林地野兔(lepus capensis)的危害现状进行了调查,并用spss11统计软件对调查数据进行分析,结果表明:山西省未成林造林地野兔平均分布密度为1.53只.hm-2,高于国家林业局确定的未成林造林地野兔生态域值(保成林指标)0.24只.hm-2的指标;野兔对刺槐危害最重,其次是山杏、油松、侧柏,对毛白杨危害相对较轻;地区间野兔对刺槐的危害差异不显著。

Shanxi Province Hare of Unwoodland Distribute Density Hare Harm Condition Survey

To effectivly prevent and cure the hare harm,the present situation of lepus capensis in Shanxi unwoodland was investigated through visual measurement and standard field methods.The data of this study was analized by spss 11.Results showed that the average distribution density was 1.53 per hare·hm-2,which was higher than the ecological threshold of lepus capensis from State Forestry Administration 0.24 per hare·hm-2.Acacia is main target of lepus capensis,which is followed by apricot,pinus tabuliformis and arborvitae.Relatively less adverse effect on Populus tomentosa was obsreved.In addition,the damagement of lepus capensis to acacia exhibited no significancy among different areas.