Core Insights - The article discusses the development of cold-water fish farming in Turpan, Xinjiang, despite the region's extreme heat conditions, utilizing unique water resources from Karez wells and high mountain springs [1][2][3] Group 1: Industry Development - The cold-water fish farming industry in Turpan has established a mature supply chain, with over 210 tons of cold-water fish sold in the first half of the year, including species like rainbow trout and black bass [2] - The farming method employed is land-based water circulation, which allows for efficient use of water resources and enhances agricultural productivity by utilizing nutrient-rich water for irrigation [3] Group 2: Economic Aspects - The cost of raising black bass is approximately 35 yuan per kilogram, while the selling price can reach 55 yuan, indicating a profitable margin for producers [2] - The expected production of cold-water fish in Turpan is projected to reach 700 tons this year, with an anticipated increase to 300 tons in 2024 [3] Group 3: Farming Techniques - The land-based water circulation model allows for a shorter growth cycle for cold-water fish, reducing the time from fry to market size from three years to just 18 months [2] - The farming facilities maintain high water quality and oxygen levels, enabling a higher stocking density of fish compared to traditional natural ponds [2]