察汗淖尔的“重生”

Core Insights - The ecological restoration efforts at Chahan Lake have led to a significant increase in water surface area, reaching a historical high of 66.7 square kilometers, compared to nearly dry conditions in 2020 [2][7] - The collaborative mechanism established between Shandu County and Shangyi County has facilitated multi-sector cooperation in ecological protection and restoration, focusing on integrated management of water, land, and biodiversity [2][4] Group 1: Ecological Restoration Efforts - The establishment of a collaborative mechanism for ecological protection and restoration has been in place for five years, involving various sectors such as agriculture, water resources, and meteorology [2] - Specific measures include the implementation of a "one river, one policy" approach for five primary tributaries, enhancing water supply channels through river dredging [4] - The area designated for wetland protection and restoration has seen the construction of the Shandu Chahan Lake National Wetland Park, contributing to a cohesive protective network [2] Group 2: Agricultural and Water Management - In the groundwater over-extraction management area, agricultural water-saving measures have been implemented, converting 145,300 acres from irrigated to dry farming and shutting down 1,551 electric wells [4] - The crop structure has been optimized, reducing high-water-consuming crops by 200,000 acres while expanding low-water and drought-resistant crops by 240,000 acres [4] - Artificial weather modification has been employed to supplement water for the lake, alongside a combination of artificial restoration and natural recovery methods to achieve full vegetation coverage within the wetland park [4] Group 3: Biodiversity and Vegetation Recovery - The restoration efforts have resulted in the presence of 121 plant species thriving better than in previous years, and the number of bird species has increased from 79 to 147, including the appearance of national first-class protected animals [7] - Remote sensing monitoring indicates that the comprehensive vegetation coverage in the Chahan Lake basin is projected to reach 53.46% in 2024, an increase of 5.66 percentage points since 2020 [7]