央视聚焦广州海珠！探究海珠高畦深沟传统农业系统蕴藏智慧

Core Viewpoint - The article highlights the significance of the Haizhu high-bed deep ditch traditional agricultural system in Guangzhou, showcasing its cultural heritage, ecological importance, and innovative agricultural practices that have evolved over two millennia [4][8][22]. Group 1: Cultural Heritage - The Haizhu high-bed deep ditch traditional agricultural system is recognized as one of three important agricultural cultural heritage sites in Guangzhou, alongside the Lingnan lychee planting system and the Zengcheng silk rice culture system [6][7]. - This agricultural system reflects the wisdom of the ancestors in adapting to the natural environment, particularly in managing the fluctuating water levels of the Pearl River [13][14]. Group 2: Ecological Importance - The core protection area of this agricultural system is the Haizhu Wetland, which plays a crucial role in maintaining ecological balance and biodiversity [9][22]. - The system retains over 800 hectares of agricultural land, with more than 2,200 plots and 9,500 deep ditches, supporting a diverse range of flora and fauna, including 835 vascular plant species, 903 insect species, 64 fish species, and 202 bird species [23][24]. Group 3: Innovative Agricultural Practices - The traditional agricultural practices include a unique production model that integrates dry farming, aquaculture, and horticulture, creating a sustainable ecological chain [15][16]. - The Haizhu model serves as a valuable example for urban areas worldwide in preserving agricultural cultural heritage while promoting ecological sustainability [28].