摘要
根据地理状况、气候条件、作物布局、农业昆虫种类与分布为害特点等因素 ,将陕西农业昆虫地理区划为 2界 6区 .两界以秦岭为分界线 ,其中古北界包括陕北风沙滩地农牧区 ,陕北黄土高原丘陵沟壑农林牧区 ,渭北旱原粮油烟果区及关中平原粮棉油菜区 4区 ;东洋界包括秦巴山区农林果区和汉江盆地稻油果区 2区 .
According to geographical features, climate, crops, insect kinds and characteristics of their distribution and occurrence, their geographical division in Shaanxi can fall into two realms_Palearctic Realm and Oriental Realm, with Qinling Mountains as the dividing line. The Palearctic Realm can be further subdivided into 4 regions_Northern Shaanxi sand and bottomland farming region, Northern Shaanxi loess plateau farming region, Weibei draught plateau wheat, oil, tobacco and fruit region, Guanzhong plain wheat, cotton, cole and vegetable region. The Oriental Realm can be further subdivided into 2 regions_ Qinling and Dabashan mountain agriculture, forestry and fruit region, Hanjiang river basin rice, oil, fruit and tea region.
关键词
农业昆虫
陕西
地理区划
Agricultural Insects
Geographic Division
Shaanxi
