What is the living environment in Weihai?

Weihai is located at the eastern end of Shandong Peninsula, bordering the Yellow Sea on three northeast sides, Liaodong Peninsula on the north, the Korean Peninsula and the Japanese archipelago across the sea on the east and southeast, and Yantai City on the west. ? Weihai is a famous port and tourist city in China, one of the coastal open cities in China, the first batch of national sanitary cities in China, one of the first batch of national environmental protection model cities in China, the top 40 cities with excellent investment in hard environment and the top 50 cities with comprehensive economic strength. ? In May 2009, it was selected as a national forest city.

City Flower Market Tree: Osmanthus fragrans-evergreen all the year round, lush foliage, fragrant Mid-Autumn Festival, with certain resistance to toxic gas, is an excellent greening tree species in institutions, schools and residential buildings. Osmanthus fragrans likes warm, sunny and semi-cloudy, and is not strict with soil. Planting osmanthus is widely loved by Weihai citizens. 1993 In May, it was confirmed by the Standing Committee of Weihai Municipal People's Congress that the flower in Weihai was osmanthus. Albizia Albizia (also known as Hibiscus)-a deciduous tree with an umbrella crown. The leaves are slender as feathers, the shade is umbrella-shaped, and the safflower is [1] clustered, which is beautiful and unique. Albizia Albizia has strong resistance to harmful gases such as sulfur dioxide and hydrogen chloride, and is the first choice for greening trees in residential green spaces, factories and mines. Albizia Albizia is also barren and drought-resistant, with strong cold resistance and soil consolidation, which can be used as dike forests on both sides of rivers. 1993 In May, the Standing Committee of Weihai Municipal People's Congress confirmed that the trees in Weihai were acacia trees. ?

Weihai is located in the middle latitude and belongs to the continental climate of the north temperate monsoon, with obvious seasonal changes and monsoon advance and retreat. Compared with inland areas at the same latitude, it has the characteristics of abundant rainfall, moderate annual temperature and mild climate. In addition, under the regulation of the ocean, it has the characteristics of maritime climate such as cold in spring, cool in summer, warm in autumn, warm in winter, small temperature difference between day and night, long frost-free period, strong wind and high humidity. The annual average temperature in the city is 1 1.9℃, the annual average precipitation is 730.2 mm, and the annual average sunshine hours are 2538.2 hours. In 2005, the urban temperature was high; Rongcheng City has less rainfall, while other urban areas have more rainfall. There is less light.

Geological Weihai City is located at the eastern end of Jiaobei fault block uplift in Shandong Province, and its south side borders on the eastern edge of Jiaolai Depression. The outcropped strata in China are late Archean Jiaodong Group, Mesozoic Upper Jurassic Laiyang Formation, Lower Cretaceous Qingshan Formation and Cenozoic Quaternary. The fold structure is Rushan-Weihai anticlinorium, with axis in Taiyi of Rushan, Wangtuan and Yang Ting, the main peaks of Kunyu Mountain in the north east longitude, and collapsed in Tiancun, with axis in the northeast direction. The fault structures include nearly North-South Shuangdao fault, NNE Jinniushan fault and Laomuhe fault, NE Mu Ping-Jimo fault (passing through the west of Rushan), NW Wangdao fault, Haibei-Shendaokou fault and Lidao-Haixitou fault. Magmatic rocks mainly include Proterozoic Kunyushan rock mass and Wendeng rock mass, late Mesozoic Aishan Weideshan rock mass and Shidao rock mass, Laoshan Chashan rock mass and Longxudao rock mass. Landform Weihai is a hilly area with gentle relief and gentle valley width and slope. Except for Taibao Peak, the main peak of Kunyu Mountain, which is 923 meters above sea level, other mountainous hills in the area are all below 700 meters, mostly undulating hills with a slope of 200-300 meters below 25 degrees. The mountain is mainly composed of granodiorite, and the surface of the mountain base is mostly brown soil formed by weathering residual, with thin covering soil but good soil permeability. How open and flat the valleys in the mountains are; ? The plains are mostly coastal plains and piedmont inclined plains. ? Among them, low hills account for 15.77% of the total land area. Hills account for 52.38%, plains for 27.56%, islands for 0.28%, and beaches for 4.0 1%. The river network is dense, the river is unobstructed and the surface drainage is good. The central part is relatively high, the mountains are east-west, and the water system flows into the sea from north to south. Surrounded by the sea on three sides, the coast type belongs to the harbor coast, with winding coastline, staggered headlands and bays, and numerous harbors and islands. The highest peak is the majestic Kunyu Mountain. The rivers in Hydrological Weihai belong to the water system on the edge of the peninsula and are the rain source rivers in the monsoon region. The river bed gradient is large, the source is short and the flow is urgent, and it fluctuates greatly. Runoff is greatly influenced by seasons, and it is often cut off in dry season. There are more than 0/000 rivers in the city, among which Zimu River, Rushan River and Huanglei River run through Wendeng City and Rushan City. The total drainage area is 2884 square kilometers, accounting for 53% of the total land area of the city, of which Zimuhe drainage area is the largest. Watershed area 1278 km2. There are 94 rivers with a length of more than 5 kilometers, of which 44 are over 10 kilometers. Huanglei River is the longest, with a total length of 69 kilometers. The average density of river network is 0.22km/km2. The average annual runoff coefficient for many years is about 0.36, and in 2005 it was 0.5 1. There are brown soil, fluvo-aquic soil, saline soil, aeolian sand soil, cinnamon soil, paddy soil and mountain meadow soil in the city. ***7 soil types. According to their respective development degree, additional soil-forming process and soil properties, it can be divided into brown soil, brown soil, moist brown soil, bleached brown soil, fluvo-aquic soil, salinized fluvo-aquic soil, cinnamon soil, coastal saline soil, mobile aeolian sand, semi-fixed aeolian sand, fixed aeolian sand, latent paddy soil and mountain meadow soil. 13 subcategory. Brown soil is the most widely distributed and largest soil in the city, covering the hilly areas of the city, accounting for 83.5% of the total soil area. Tidal soil is the second largest distribution soil in Weihai. It accounts for 13.2% of the total soil area. From the texture of soil (plough layer), it can be divided into three categories:? Sandy soil, light loam, medium loam. According to the soil structure, it can be divided into 15 categories, and according to the impact on crops, it can be mainly summarized into five categories:? Homogeneous soil type, sandy-homogeneous, sandy-mixed, gravel-mixed, viscous, homogeneous, white paste-mixed, hard (brittle) stone bottom type. Chemically, the parent material of Weihai is mostly acid rock weathering. The soil pH value is between 5.2-8. 1, with an average value of 6.4. The average amount of soil replacement is 6.5me/ 100g soil, and the ability of maintaining fertilizer is weak. The average ratio of soil carbon to nitrogen in the city is between 8.5∶ 1 ~ 9.6∶ 1, and the ratio is relatively coordinated. The northern part of Weihai? East? South of the Yellow Sea, the coastline is 985.9 kilometers long, accounting for 33% of Shandong Province and 6% of the whole country. The type of coast belongs to harbor coast, and the coastline is tortuous. There are more than 30 large and small ports along the coast. There are more than 20 headlands and many high-quality beaches. There are four large and small islands 1 14 in the city, including 84 islands with an area of over 500 square meters and 6 inhabited islands.

Weihai tourism image logo Weihai is rich in tourism resources, including more than ten types of islands and coasts, urban gardens, scenic spots and historical sites, and folk customs. There are 2 national scenic spots and 3 provincial scenic spots. There are 5 1 cultural relics protection units, 4 provincial tourist resorts and more than 80 scenic spots. On the coastline of thousands of kilometers, there are Liu Gongdao, the birthplace of China's first modern navy, Chengshantou, the Cape of Good Hope in the East visited by Qin Shihuang, Shengjing Mountain, the birthplace of the Quanzhen School of Taoism in China, Chishan Fahua Academy, Tiecha Mountain, the first beach in the world and Yintan, the largest swan habitat in Asia. The city has formed a tourism pattern of "one line (thousand kilometers of coastline) and six districts (central city, coastal ecology, fisherman's customs, hot spring recuperation, traditional culture, leisure and holiday)". ?

Weihai is rich in mineral resources, and 47 kinds of minerals (including secondary minerals) have been discovered, including metallic minerals 1 1 species, non-metallic minerals, energy minerals 1 species and water vapor minerals. 26 species have been developed and utilized. There are 22 kinds of minerals with proven reserves, and there are industrial-scale deposits 103, including large-scale deposits 17, medium-sized deposits 20 and small-scale deposits 66. Gold, magnets, quartz sand, granite, zircon sand, beryllium, geothermal and other resources occupy an important position in the country and the whole province respectively, among which gold mines account for 8.9% of the proven reserves in the province, ranking third; ? Silver ore accounts for10.4% of the proven resource reserves in the province; Glass sand accounts for 75.7% of the province's proven resource reserves; Zircon resources are all concentrated in Weihai.