主要气候因子对天水地区林木有害生物发生规律的影响初探  

Effects of main climatic factors on occurrence of forest pests in Tianshui area

作　　者：鲁莉[1] 桑娟萍[1] Lu Li(Gansu Forestry Vocational and technical college,Tianshui City,Gansu 741020)

机构地区：[1]甘肃林业职业技术学院,甘肃天水741020

出　　处：《农业灾害研究》2020年第4期92-93,105,共3页Journal of Agricultural Catastrophology

摘　　要：天水是典型农林牧交错复合区,属于气候变化敏感区和生态环境脆弱区。1981—2010年,天水各地年平均气温变化总体呈上升趋势,年降水距平百分率出现明显下降。气候变化不仅影响农林生产和经济活动,还对天水地区主要林木有害生物的发生与危害产生了明显影响。Tianshui is a typical ecotone of agriculture,forestry and animal husbandry,which is sensitive to climate change and vulnerable to ecological environment in China.From 1981 to 2010,the annual average temperature in Tianshui showed an upward trend,and the percentage of annual precipitation anomaly decreased significantly.Climate change not only affects the agricultural and forestry production and economic activities,but also has an obvious impact on the occurrence and damage of main forest pests in Tianshui area.

关 键 词：气候因子 林木 有害生物 发生规律 

分 类 号：S763[农业科学—森林保护学]