古北界的英文

palearctic ecozone

• 古:    antiquity; ancient ...
• 北:    north
• 界:    boundary

例句与用法

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1. After sorting and identification , these scarabaeoidea beetles were found to belong to 157 species , 59 genera , 9 families
   该区系属的组成为：只属于古北界成分的占10 . 53 % ；只属于东洋界成分的占20 . 34 % ，二者共有种类占71 . 93 % 。
2. Conclusion the species of sarcophagidae in shanxi province make up 36 . 3 % of sarcophagidae known in china , also 3 . 9 % of those in the world
   结论山西省麻蝇科种数占全国已知种数的36 . 3 % ，约占世界麻蝇科种数的3 . 9 % ，其中古北界种连同古北界共同种占98 . 0 % 。
3. 137 species belong to palaeartic realm and 18 to oriental . the species of palaeartic are dominant , and 187 species ( 93 . 0 % ) are migratory birds . the avian species diversity shows clear seasonal variation
   其中古北种有137种( 68 . 2 ) ，东洋种有18种( 8 . 9 ) ，区系组成呈现南、北鸟类混杂分布，以古北界鸟类为主的特征。
4. The number of species in the southern slope of qinling mountain was most abundant because of distribution of some palaearctic species to the top of qinling mountain , especially species of oedipodidae , another reason may b . e the large number of endemic species in this area
   秦岭南坡种类最多，主要是有部分古北界的种类渗透分布在中、高山地带，特别是斑翅蝗科的种类，另外还有部分特有种。
5. The fauna of acriodiodea in the region was prominently the oriental species . there were about 23 oriental species occupying 45 . 1 % in total , about 10 endemic species occupying 19 . 6 % . both palaearctic species and common species in palaerctic and oriental region were 9 occupying 17 . 6 % respectively
   汉中地区的蝗总科的昆虫以东洋界为主，共23种，占45 . 1 ，其次为汉中地区特有种类10种，占19 . 6 ，古北界和两界共有种类均为9种，均占17 . 6 。

百科释义

古北界是一个以欧亚大陆为主的动物地理分区。它涵盖整个欧洲、北回归线以北的非洲和阿拉伯、喜马拉雅山脉和秦岭以北的亚洲。