“十四五”以来 我国新增水土流失治理面积超二十八万平方公里

Core Insights - Since the beginning of the 14th Five-Year Plan, China has effectively controlled newly added soil and water loss, with significant progress in key areas, aiming to manage an additional 281,700 square kilometers of soil erosion by the end of 2024, increasing the soil conservation rate to 72.83% [1] Group 1: National Achievements - By the end of 2024, the national soil and water loss area is projected to decrease from 2,692,700 square kilometers in 2020 to 2,601,900 square kilometers, indicating a steady improvement in soil erosion conditions [1] - The soil conservation rate has improved from 71.85% in 2020 to 72.83% in 2024, reflecting a dual decrease in both the area and intensity of soil erosion [1] Group 2: Regional Efforts - In the Yellow River Basin, collaborative efforts have led to the management of 30,000 square kilometers of soil erosion, with the construction of 2,637 silt dams and 3,090 reinforcement projects for dangerous silt dams by the end of 2024 [1] - The area of soil erosion in the Loess Plateau has decreased from 234,200 square kilometers in 2020 to 218,800 square kilometers in 2024 [1] Group 3: Specific Initiatives - In the Northeast Black Soil Region, 33,000 erosion gullies have been managed, and new farmland indicators for gully management have been explored [2] - In the Danjiangkou Reservoir area and its upstream, a joint plan for water pollution prevention and soil conservation has been implemented, targeting 6,306 square kilometers of soil erosion by the end of 2024 [2] - In the "Three North" region, 30,900 square kilometers of soil erosion have been managed, with the capacity to intercept 687 million tons of sediment added through new silt dams [2]