烟台长岛：海洋碳汇，绿色养殖添底气

Core Insights - The "solid algae and fish" farming model has been implemented in Shandong's Changdao, promoting ecological restoration and carbon sequestration through the deployment of artificial reefs and seaweed beds [1][2] - The introduction of "seaweed bed and algae field carbon credit loans" by Changdao Rural Commercial Bank provides financial support for marine ranches, allowing them to leverage future carbon credit revenues for immediate funding needs [1][2] Group 1 - The deployment of over 120,000 artificial reefs has led to the growth of 500,000 seaweed plants, creating a large-scale seagrass bed ecosystem that sequesters more than 280 tons of carbon annually [1] - The "solid algae and fish" model not only absorbs carbon dioxide but also provides spawning and habitat areas for fish, aiding in the restoration of local fishery resources [1] - The East Source Marine Ranch has invested 3 million yuan in bottom-sown sea cucumber seedlings, forming a multi-layered ecological chain as the seagrass bed restoration progresses [1] Group 2 - The intelligent transformation of the East Source Marine Ranch, funded by carbon credit loans, has improved the survival rate of 800,000 brown sole fish fry by 30%, increasing annual catch to 1,000 tons [2] - The village collective has received a total of 7.546 million yuan in dividends from the East Source Marine Ranch, resulting in an average annual income increase of approximately 8,000 yuan per household [2] - The quantification of carbon credit value from seagrass beds and algae fields, along with the pledge of future revenue rights for financing, exemplifies the realization of marine carbon credit value [2]