高致病禽流感时空分布规律研究——温度对我国禽流感传播影响的时空模式分析
文献类型: 中文期刊
作者: 崔尚金;王靖飞;吴春燕;李曦;符芳;童光志;孔宪刚
作者机构:
关键词: 禽流感;传播;风险评估;GIS;月平均气温
期刊名称:畜禽业
ISSN: 1008-0414
年卷期: 2005 年 11 期
页码:
摘要: 为研究温度对禽流感传播的影响,本文根据禽流感传播最适温度6~16℃确立了风险分析标准,以中国各个气象站的各月平均气温为基础数据,运用本实验室二次开发的地理信息系统软件绘制了风险图。研究结果显示风险区域随时间变化而转移,其时空模式为:1-5月,风险区域从南向北迁移;6-8月,除青藏高原外,全国基本处于低风险;9-12月,从北向南迁移。其时空转移规律与2004年第一季度的禽流感疫情扩散趋势基本吻合。
分类号: S855.3
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