云南澜沧江中游地区的鸟类调查研究

在调查区内包括采到和见到未做成标本的鸟类,共101种和亚种,分属于15个目,32个科。其中有一种为云南省新纪录。以上这些鸟类中,有食虫鸟类、猛禽以及杂食性鸟共91种,它们是对农、林业有益的鸟类,占90％;主食或兼食农作物、鱼类的鸟有10种,占10％左右。从区系组成上看,属东洋界的种类有79种,占78.2％;属古北界的种类有8种,占7.9％;广布东洋、古北两界的种类有14种,占13.9％。南北种类成分的混杂及垂直分布现象是该地区鸟类组成的特点。

A Survey of Birds in the Middle Reaches of the Lancan Jiang River

We tecorded 101 species and subspecies including the birds collected,the birds seen snd recognized in the fieids.They belong to 15 orders,32 families,in which 1 species isnew record in Yunnan.There are 91 breeding birds accounting for 90.1% of the total number.On the avifaunnal affinities the oriental elements present 78.2%,the Palearctic elementa present7.9%, and the widespreadihg elements present 13.9%, It shows a hybirdized phenomenon of the elements between south-north,and some difference in vertical distribution in this area.Most of the birds about 91 apecies are insect-eating birds and benifit to the ag riculture and forestry, the others eat or sometimes eat agricultural products or rish.