古北区

目前已鉴定的61种蛱蝶中，87%分布在东洋区，13%分布在东洋区和古北区。

At present , 87 percent of the sixty-one species of Vanessa which have been identified are distributed in Orient region , and 13 percent of them are distributed both in Orient region and palaearctic region .

其中古北界种连同古北界共同种占93.9%。表明山西省丽蝇科昆虫属于古北区系。

There are93.9 % of the total belonging to Palaearctic Region , which means , in Shanxi Province , most species have a Palaearctic distribution .

古北区Saiga属（偶蹄目，牛科）在更新世时期的地理分布和进化历史

Pleistocene distributional and evolutionary history of the genus Saiga gray , 1843 ( mammalia , artiodactyla , bovidae ) in the Palaearctic

大沙鼠（Rhombomysopimus）是中亚地区典型的荒漠啮齿动物，栖息于荒漠、半荒漠中，是古北区荒漠、半荒漠景观中生物多样性的指示物种之一。

Great Gerbil ( Rhombomys opimus ) is a typical desert rodent species in the desert and semi-desert habitats in central Asia , so it is regarded as one of the indicator species of Palaearctic desert and semi-desert .

本文对滇西北昆虫区系特征进行了分析。滇西北昆虫区系具有以下特点：古北区与东洋区种类过渡与交混明显；

The present paper deals with the characteristics of insect fauna in northwestern Yunnan province .

我国已知16亚科93属，其中分布于东洋区的居多，古北区种类较少。

It includes 16 subfamilies 93 genera in China , mostly distributed in Oriental realm , others in Paleoarctic realm .

7个族在非洲区均有分布，古北区有4个族、东洋区3个族、澳洲区2个族。

Seven tribes are all exist in Afrotropical region , 4 tribes in palearctic , 3 in Oriental and2 in Australian region respectively .

结论河北省齿股蝇属昆虫种数约占该科全国已知种数的30.00%，属于古北区系。

Conclusion The species of genus Hydrotaea in Hebei province make up 30.00 % of known Hydrotaea in China and have a Palaearctic distribution .

结论河北省花蝇科昆虫种数约占该科全国已知种数的13.20%，约占世界花蝇科种数的5.50%，动物区划属于古北区系。

Conclusion The species of Anthomyiidae in Hebei province made up 13.20 % of known Anthomyiidae in China , 5.50 % of those in the world and most species had a Palaearctic distribution .

长白山北坡访花天牛种类，主要以古北区系成分为主，随着海拔增高，访花天牛种类逐渐减少，古北区系成分种类增多，古北、东洋区系成份种类减少。

The Palaearctic species are the main specie in the north slope of Changbai Mountain . With the rising of altitude , the flower-visiting longicorn beetles gradually become less , the Palaearctic species increase , and the species common to Palaearctic and Oriental regions decrease .

徐-盱丘陵岗地省和淮北平原省古北界区系特征最明显，古北界鸟类分别占68.31%、68.57%。

Xuzhou-Xuyi Hilly Land Province and Huaibei Plain Province have obvious features of Palaearctic fauna and Palaearctic birds were accounting for 68.31 % , 68.57 % respectively .

淮南平原省和宁-宜丘陵山地省具有过渡性区系特征，前者偏重于古北界区系，后者偏重于东洋界区系。

Huainan Plain Province and Nanjing-Yixing Mountains Province have features of Transitional flora . The former inclined to the Palaearctic fauna while the latter inclined to the Oriental fauna .

在繁殖鸟中北方型鸟类77种，占繁殖鸟总数的81%，表现出明显的古北界鸟类区系特征。

77 species belong to boreal taxa , which are 81 % of all breeders . It obviously reflects the feature of Palearctic realm .

在针叶林群落中，东洋界和古北界的动物区系几乎各占半。

In the coniferous forests , the oriental and the palearctic almost accounted for a half .

云南革螨物种数和多样性的分布格局可能直接受到古北和东洋两区系边缘效应的影响。

The spatial distribution patterns of gamasid mites in Yunnan Province may be the results of the edge effect between the Oriental and Palaearctic realms .