Core Viewpoint - Guangdong has established 13 national-level marine ranching demonstration zones, showing initial benefits in artificial reef construction and significant ecological restoration effects [1] Group 1: Marine Ranching Development - Guangdong has created 13 national-level marine ranching demonstration zones covering an area of 1,097.2 square kilometers [1] - Over 17,000 artificial reefs have been deployed, totaling 562,000 cubic meters [1] - The construction of artificial reefs has accelerated the recovery of fishery resources and improved marine ecological restoration [1] Group 2: Ecological Resource Conservation Measures - The province has implemented ecological resource conservation measures such as artificial reef construction and species release, achieving good results [1] - From 2021 to 2024, approximately 1.1 billion units of aquatic economic species and endangered species have been released [1] - Follow-up surveys indicate that the average fishery resource density in trawling areas after species release is more than 1.5 times that of baseline surveys, with a contribution rate of over 2% for important economic species [1]