xinghua city Shagou, Zhongbao, Hainan, Duotian, Linhu, Xijiao, Chenbao, Zhouzhuang and other natural water bodies; This area is located at 32 4 ′-33 13 ′ north latitude and 119 43 ′-12 16 ′ east longitude. The characteristics of specific quality
Macrobrachium nipponense are: strong adaptability and rapid breeding; Shrimp meat is tender, delicious and nutritious; The individual is big and the color is good. Neatly packed with frozen shells, or processed into high-quality shrimps, crystal clear and bright. At the national aquatic products fair, Xinghua freshwater prawn was once rated as an excellent product. Shanghai "Crystal Shrimp" and Hangzhou "Longjing Shrimp" cooked with Xinghua Shrimp are superior in taste to other local products and won unanimous praise from Chinese and foreign guests.
cultural allusions
Macrobrachium nipponense is the most important freshwater shrimp in Xinghua, accounting for one tenth of the national freshwater shrimp market. I like to live in lakes, rivers and ponds. Xinghua has a variety of water surface types, and the environmental conditions are suitable for the growth of freshwater shrimp.
geographical range
Macrobrachium nipponense is mainly distributed in 35 towns (districts) in xinghua city administrative region, Include shagou town, Zhoufen, Ganggu, Lizhong, Xijiao, Zhaoyang, Development Zone, Chenbao, Zhouzhuang, Maoshan, Dainan, Zhangguo Town, Taozhuang, Diduo, Shentulun, Zhuhong, Daduo, Changrong, Linhu, Chengdong and Xibao. The total production area of Macrobrachium nipponense is 37,333 hectares.
natural ecological environment and human and historical factors
Xinghua is rich in aquatic resources, and it is a national famous key county (city) for aquatic products. The whole city has a water area of 627.25 square kilometers, accounting for 26.21% of the total area. It has 18 longitudinal and latitudinal rivers, 5 lakes and 12 swings, belonging to the Yangtze River and Huaihe River systems. The salinity of the water is about .5‰, with abundant rain and light all the year round. The annual average temperature is 15℃, the average water temperature is 16.5℃, and the precipitation is 997mm. The water quality is clear and pollution-free, with moderate hardness and slight alkalinity. There are abundant food such as plant fragments, organic debris, aquatic plants, larvae of aquatic insects and terrestrial insects, filamentous algae and sessile algae, which are suitable for aquatic products to inhabit and grow in inland fresh water areas.
as early as the warring States period, Xinghua had a history of catching and eating shrimp. There are historical records about the Macrobrachium nipponense in the historical books such as the Records of Xinghua County in the 19th year of Wanli in Ming Dynasty (1591), the Records of Xinghua County in the 23rd year of Kangxi in Qing Dynasty (1684), Rebuilding the Records of Xinghua County in the first year of Xianfeng in Qing Dynasty (1851) and the Continued Records of Xinghua County in the 32nd year of the Republic of China (1943). Before 1992, freshwater shrimps in Xinghua were mainly produced in natural water bodies such as river ditches and waidang. From 1994, after three years, we took the lead in finding a way to polyculture freshwater shrimp in ponds, and this technology was quickly popularized and applied in the whole province.