Pingyi is the poorest, and it is also a national poverty alleviation county. Yishui and Linshu are the happiest, one developing tourism and the other developing industry. The reason why Pingyi's economy can't develop is that most people are self-employed, supporting themselves or exporting labor services, resulting in a lower overall per capita income. Pingyi County, which belongs to Linyi City, Shandong Province, is located in the southeast of Shandong Province and the west of Linyi City, with a total area of117 25'-17 56' and 35 07'-35 43' respectively. _ According to the data of the seventh population census, as of 0: 00 1 1 in June 2020, the permanent population of Pingyi County was 892,276.

First, the geographical location of Pingyi

Pingyi County is located in the southwest of Mengshan, bordering Feixian County in the east, surabaya county in the west, Zaozhuang City in the south, Mengyin County and xintai city in the north. It is located between east longitude117 25'-17 56' and north latitude 35 07'-35 43', with the maximum horizontal distance of 47.35km from east to west and the maximum from north to south.

Second, Pingyi landform

Pingyi county has complex geological structure, diverse landform types and obvious mountain features. The mountainous area accounts for 85%, and the plain accounts for 15%. The whole terrain is high in the north and south, low in the middle and slightly inclined to the southeast. The Mengshan Mountains in the north are rugged and magnificent; The peaks of Nishan Group in the south are undulating and beautiful; Central valley, fertile land and picturesque fields. There is a peak of 1076, mostly in the northwest-southeast direction. The main peak of Mengshan, Guimengding, is 1 155.8 meters above sea level, which is the first peak in Yimeng Mountain area and the second peak in Shandong Province, and is known as "Daizong Asia".

Third, the climate characteristics of Pingyi

Pingyi County is located in the southeast of the north temperate zone, with a continental degree of 62.8%. It belongs to the continental climate of monsoon region, with the characteristics of hot Leng Xia in winter, abundant sunshine and long frost-free period. Spring: windy, little rain, quick recovery, dry climate, easy to spring drought, and often the harm of late spring cold; Summer: high temperature, high humidity, concentrated rainfall and frequent disastrous weather; Autumn: the temperature drops sharply, the rainfall drops sharply, the air is crisp in autumn, and the drought and flood are unpredictable, which has a certain threat to the production of "Sanqiu" (autumn harvest, autumn ploughing and autumn planting); Winter: cold weather, scarce rain and snow, dry climate and long dry and cold period.

Four. Hydrology of Pingyi River System

Xunhe River, formerly known as water control, is the largest river in Pingyi County. The old records all say that it originated in Cong Shan in the north, but according to the present situation of Xunhe River Basin, Nanshan water source should be the main source. From the southeast of Guoyuan to Weiguo, the Berlin River enters from the northwest; To the southeast of warm water, hot spring water is injected from the west; 7.5 kilometers to the south is also Tongshi Town, which is injected by Gaoxi River. It turns to the southeast, and Pengquan River enters it in the south. It is also southeast, between Xigu and downhill, with Xigu in the south and Jinxian River in the north; East to the northwest of the local town and into the autumn river; Southeast 1.5 km into Feixian territory. The river reaches 47 kilometers in the county, controlling the basin area of 1.606 square kilometers, and is a secondary tributary of the Yi River system. The average width of riverbed is 250 meters, the maximum flood surface width in flood season is 692 meters, the maximum water depth is 5 meters, the average water depth is 2.87 meters, and the flood flow is 4950 cubic meters per second. Xunhe River has 24 tributaries.