精河县荒漠林鼠害猛禽天敌招引初报

Primary studies on attracting birds of prey to control rodent pests in Jinghe desert forestry

设立了栖架和人造巢箱招引猛禽防治荒漠林鼠害,初步结果表明:猛禽对栖架的利用率依季节不同,可达40%～90%,栖架下发现大量猛禽的吐物,其中含有害鼠的骨骼和毛发;至少一种猛禽———红隼(Falcotinnun culus)可在人造巢箱中繁殖;初步调查表明在非繁殖季节,猛禽对栖架的利用表现为广利用、低频率的特点,在繁殖季节则表现为高频率、局限性而形成明显巢区。

Experiment on desert rodent pests controlled by attracting birds of prey with perch and artificial nest box was discovered that 1. The ratio of perch used by birds of prey was different with seasons, ranging between 40%-90%, there were skeletons and hairs of rodent pests under most of perch; 2.At least one bird of prey-Kestrel (Falco tinnunculus) was found laying eggs in artificial nest box; 3. The inventory suggested that the character of raptor using perches is extensive and less frequent in non-breeding season, but more frequent and restrictive in breeding season.