[Geography and Climate]
Zhangye Area lies in the northwest of Gansu province, to its north are Heli mountains and Longshou mountain,and in its central part is the oasis plain with an altitude from 1284 metres to 5564 metres. And to its east is Jingchang, Wuwei, to its west is Jiuquan and Jiayuguan, to its south is Beizhou of Qinghai province and to its north is Jiheiqi and Alashanqi of inner Mongolia. Zhangye is often called "Gloden Zhangye".
Zhangye Area lies in the inner part of China and in the middle latitude zone. In this area,its southern Qilian mountains belong to half dried climate and the other areas all belong to the middle latitude dried climate. The four seasons in this area change clearly, in this area winter is long and cold,the summer is short and hot and the temperature of spring rises quickly and that of autumn decreases quickly too. In this area. there is little rain, insuffient sunshine and the big temperature difference between day and night. In this area every year the total amount of sunshine can reach 2,6833,088 hours and the total amount of sun radiation is 5,6006,230 billion Joule per square meter. This area belongs to the sun radiation highvalue zone , which can provide good conditions for the development of high quality and many quantities of crops. In this area, the difference in topography is very clear, so is in temperature. The average temperature per year of the mountain ous counties : Zhangye, Linze , Gaota; is 7.0 -- 7. 6`C. The average rainfall per year of the mountainous counties Minle, Shangdan and northern mountains 'Gansu Corridor' is around 60 -- 200 millimeters. The average rainfall per year of southern mountainous area is about 250 -- 330 millimeters. The average rainfall per year of Qilian mountains is around 400 -- 500 millimeter and the rainfall is focused on June -- September. The amount of evaporating per year is 2000 -- 2700 millimeters. frost three seasons are 112 -- 165 days.
[Region and Population]
This area has 210 -- 465 kilometers from east to west and 30 -- 148 kilometers from north to south. And the total land area is 42,000 square kilometers. The area includes five counties and one city ,that is Shandan ,Minle , Linze, Gaotai, Sulan Yugur counties and Zhangye city. The total population of this area reaches 1200,000 and among them there are 1000,000 people dealing with argriculture , there are 26 minority nationalities in this area , such as Hans , Yugurs , Zhungs , Huis . Zangs , Mongols, Uighurs, etc. Among them, Yuagurzu is the only one of China who live in this area.
The varieties of the verified mineral products in this area add by 32. The deposits of iron , limestone , quartzstone , clay . mirabilite . barite rank first in Gansu Province. The deposits of gypsum, fluorspar, dolomite rank second in the province. The total quantity of the verified coals is 10.08 billion kilograms. There are many sorts of living things in this area, and the main seventeen food crops are wheats ,corns , beans, and so on. And the main 52 economic crops are oil crops, beets , vegetables , cotton, melons and fruits, etc. Zhangye area is the one of the National Commercial Foods bases and the one of the Five Vegetables. Meions and Fruits Productive bases. Rice, onions, Chinese cabbages, oleaster, peaches tgarlic, pears produced in Zhangye are of high quality and popularboth home and abroad. Zhangye is also rich in husbandary resources including horses, goats, buffalos, donkeys ,camels, pigs ,chickens ,piegons and so on. And the water area which is suitable to fish living reaches Over 2,0000 hectare, wild plantsreach 200 kinds, and the plantsfor medicine reachnearly 90 kinds including qinjiu, dahuang , mahuang and qianghuo, etc, food reaches 8l kinds , including facai ,marshroom , sallow thorn, narrow leaved oleasters. The wild animals reach 264 kinds, among them there are 15 kinds of national A -- grade protective animals such as leopards, wild donkeys ,black storks, white shoulder eagles and 44 kinds of national B -- grade protection animals including white -- tip deer, blue pheasants, Tibetanbears. Zhangye is also famous for the production of rare Chinese medicine such as small deer horns, musk. In recent years , the protection of wild animals has been enhanced and anunique base raising blue pheasant of China has been set up in Zhangye.