7万余方积雪滋养公园绿地

Core Insights - The article discusses the innovative ecological practice "Snow Returns to the Forest" implemented by the city's park management center following the first snowfall of the year, focusing on utilizing snow to benefit the ecosystem and enhance the beauty of parks [1][2] Group 1: Ecological Practices - The parks, including the Summer Palace and the National Botanical Garden, have adopted a principle of "leave it if it’s suitable" to preserve natural snow scenery while ensuring safety for visitors [1] - Specific snow resource utilization plans have been developed based on plant characteristics and green space types to maximize the benefits of snow [1] Group 2: Snow Management Techniques - In the Summer Palace, snow height is controlled to a maximum of 0.5 meters around tree bases to prevent damage to vulnerable species, while also providing a natural insulation layer for plants [1] - The National Botanical Garden employs a method of spreading snow evenly to enhance soil moisture and protect plant roots, while also managing snow accumulation to avoid hindering visitor access [2] Group 3: Quantitative Data - During this snowfall, 13 municipal parks and the China Garden Museum effectively utilized 70,200 cubic meters of snow, benefiting 2,837 tree pits and 3,093 flower shrubs, while also covering 506,100 square meters of grassland and bamboo forest [2] - The snow management efforts are aimed at improving soil moisture levels, which is crucial for plant growth in the upcoming spring season [2]