科技点沙成“金”产出“大经济” 多样化“沙漠海鲜”撑起养殖户“钱袋子”

Core Insights - The Xinjiang Hotan region has successfully implemented large-scale aquaculture of various aquatic products through saline-alkali land transformation technology, particularly in the desert edge [1][11] - The region is currently experiencing a peak in crab harvesting, with an average daily catch of around 500 kilograms [3] - The aquaculture base has achieved a total water area of 3,800 acres, with an expected total aquatic product output exceeding 1,000 tons in the first half of 2025 [15] Aquaculture Development - The crabs were introduced to the ponds in March 2025 and have grown for seven months, now entering the harvesting season [5] - The successful cultivation of crabs, bass, and lobsters in the saline-alkali desert has led to the rapid development of a unique "desert seafood" industry [11] - The use of techniques such as salt reduction, alkalinity removal, and beneficial bacteria regulation has stabilized the water pH to suitable levels for aquatic growth [13] Technical Challenges - The primary challenge in raising crabs in saline-alkali land is managing the water's pH level, which must be adjusted to between 8.0 and 8.2 for optimal crab growth [9][7] - The expected crab production for 2025 is around 40 tons, with bass production estimated at 30 tons and blue lobsters at a few tons, leading to a total expected output of over 70 tons [13]