古树名木种质资源
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广西累计收集59个树种共177份古树名木种质资源
Guang Xi Ri Bao· 2025-10-20 03:04
Core Points - The article highlights the ongoing efforts in Guangxi to protect ancient trees and their genetic resources, marking a significant advancement in conservation practices [1][2] - Guangxi has established a comprehensive protection network that combines technology, public participation, and institutional support to safeguard ancient trees [1] - The region is focusing on building a genetic resource bank for ancient trees to address issues related to aging and breeding difficulties [2] Group 1 - Guangxi has collected 177 samples from 59 tree species, including endangered and long-lived ancient trees, indicating a shift from physical protection to genetic preservation [1] - There are currently 1,311 ancient tree clusters and over 156,000 ancient trees in Guangxi, which are considered "green cultural relics" [1] - The protection network includes measures such as marking responsibilities, innovative restoration techniques, and the establishment of volunteer teams to enhance conservation efforts [1] Group 2 - The genetic resource bank project focuses on the "highest, oldest, most beautiful," and endangered ancient trees, utilizing techniques like ex-situ conservation and asexual reproduction [2] - Successful germination and planting have been achieved for 99 samples of 42 species, with 183 seedlings of certain species already planted [2]
山东现存古树名木24.7万余株,千年银杏见证历史变迁
Qi Lu Wan Bao· 2025-10-16 03:26
Core Points - The Shandong Provincial Government announced the existence of over 247,000 ancient trees, with 1,449 classified as first-level protected, 9,305 as second-level, and 52,624 as third-level [1][3] Group 1: Ancient Trees and Protection Levels - Ancient trees are defined as trees over 100 years old, with a grading system for protection based on age: first-level for those over 500 years, second-level for those between 300 and 500 years, and third-level for those between 100 and 300 years [3] - Shandong is rich in ancient tree resources, with a total of 24,7000 ancient trees, including 19,679 individual ancient trees and 619 groups of ancient trees [3] Group 2: Notable Ancient Trees - The "World's First Ginkgo" located in Juxian, with a height of 26.7 meters, a circumference of 1,520 cm, and an estimated age of 3,700 years, is recognized as the oldest known ginkgo tree [4] - The "Confucius Hand-Planted Cypress" in Qufu, believed to be planted by Confucius, has an estimated root age of 2,500 years and currently stands at 18 meters tall with a circumference of 239 cm [7] - The Qing Tan Ancient Tree Group in Zaozhuang consists of 36 trees, with 15 being over 1,000 years old, representing the only existing Qing Tan tree group in northern Jiangsu [7] Group 3: Conservation Efforts - Shandong has implemented the "Shandong Province Ancient Trees and Famous Trees Protection Measures," focusing on detailed management and conservation strategies for ancient trees [6] - The province has established over 1,800 records of ancient tree genetic resources and is actively working to rescue and restore 146 first-level protected ancient trees [6]