南通近400公顷滩涂焕新颜

Core Viewpoint - The article highlights the ongoing marine ecological restoration project in Qidong City, Jiangsu Province, which aims to combat the invasive species Spartina alterniflora and restore local biodiversity through the planting of native vegetation and advanced monitoring techniques [1][2][3] Group 1: Project Overview - The marine ecological restoration project covers nearly 400 hectares along the northern bank of the Yangtze River estuary, with a total planned investment of 512 million yuan, of which 300 million yuan is supported by central government funding [1] - The project is recognized as a key initiative by the provincial government and is supported by various local authorities and institutions, including the Jiangsu Provincial Geological Survey Institute [1] Group 2: Invasive Species Management - Spartina alterniflora has a short germination and rapid spread cycle, threatening local biodiversity by outcompeting native species and disrupting habitats for birds and aquatic life [2] - The project employs an integrated "sky-ground" monitoring approach using satellite imagery and drone technology to identify vegetation and assess ecological conditions [2] Group 3: Restoration Techniques - The project focuses on restoring native salt marsh vegetation, utilizing salt-tolerant species such as tall reeds, and implementing large-scale planting via drones over 100 hectares [2] - Innovative methods, including the use of straw and hemp materials to create barriers against tidal erosion, have been introduced to enhance the survival rate of native species [2] Group 4: Monitoring and Progress - A comprehensive monitoring system has been established, successfully keeping the recurrence rate of Spartina alterniflora below 5%, with many areas achieving zero recurrence [3] - As of November 2025, the overall project progress is reported at 93%-94%, with completion expected by the end of the year, leading the progress among similar projects [3] Group 5: Ecological and Social Impact - The restoration efforts have resulted in the observation of 66 bird species, including rare and endangered ones, and have improved the habitat for various aquatic organisms [3] - The project aims to balance ecological restoration with disaster prevention and social benefits, thereby achieving a unified value in ecological, social, and economic terms [3]