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]

Core Viewpoint - The Xinjiang Altay region is actively engaged in ecological resource protection through the release of rare fish species, indicating a commitment to environmental sustainability and biodiversity enhancement [1] Group 1: Fish Release Activities - In 2025, a total of 14,000 rare fish species, including Arctic grayling and fine-scaled salmon, were released in the Ertix River basin [1] - This year, the Altay region plans to release 3.28 million fish fry in three phases, covering eight species including Zhikong fish, river cod, and white-spotted pike [1] Group 2: Ecological Impact - The fish release initiative is a significant measure for restoring and protecting aquatic biological resources and improving the ecological environment of water bodies [1] - The local authorities have established a virtuous cycle ecosystem characterized by "using fish to nourish water, using fish to purify water, and using fish to protect water" through scientific planning, careful organization, and strict supervision [1]

Core Viewpoint - The article emphasizes the importance of fish stocking as an effective method for restoring fish populations, enhancing biodiversity, and stabilizing ecosystems, particularly focusing on the Qinghai Lake naked carp [1][2] Group 1: Fish Stocking and Conservation Efforts - The contribution rate of fish stocking to the recovery of Qinghai Lake naked carp resources is assessed at 26% [1] - Qinghai Province has implemented six lake closures for fish breeding, a first in China's fish resource conservation history [2] - The scale of fish stocking has increased from 3 million fish in 2002 to 20 million fish currently, with the weight of each fish increasing from 5 grams to 10 grams [2] Group 2: Current Status of Qinghai Lake Naked Carp - As of the end of 2023, the resource stock of Qinghai Lake naked carp reached 120,300 tons, transitioning from "endangered" to "vulnerable" status [2] - The total stock of Qinghai Lake naked carp has grown nearly 49 times since the initial protection efforts, now totaling 127,500 tons [2] - Over 210 million juvenile naked carp have been released in Gangcha County, contributing to the ecological balance of the region [2]