在保障传统树种供应的同时，广西积极推进造林树种结构调整。2025年，桉树、油茶、杉木等传统主要 造林树种苗木占总产量的70%，供应充足。与此同时，闽楠、黑木相思等乡土珍贵树种产苗量实现爆发 式增长：闽楠产苗942.14万株，同比增长近2.64倍；黑木相思产苗951.32万株，实现翻倍增长；红锥产 苗485.73万株，较2024年增加20.9万株。 近年来，广西持续完善林木种苗生产体系，已构建起布局合理、特色鲜明、覆盖全区的种苗生产格局。 目前，全区建成各类林木良种生产基地61个、一般林木采种基地40个、各类苗圃2273个，为林业高质量 发展提供了有力支撑。 2025年度林木种苗统计年报及供需分析显示，广西种苗生产供应基础愈发稳固，良种使用率稳中有升是 首要特征。2025年，广西林木种子良种产量占比达28.11%，较上年提高2个百分点；良种苗木占比达 51.0%，主要造林树种良种使用率提升至85.6%。 广西壮族自治区林业局负责人介绍，2026年广西造林绿化苗木需求量约6.60亿株，较2025年实际用量略 有增加。随着国家储备林建设、油茶产业后续发展、森林质量提升等重点工程的持续推进，良种苗木、 乡土珍贵树种、 ...

Core Viewpoint - The article discusses the transformation of forest quality in Guangdong, particularly focusing on Shimen National Forest Park, highlighting the shift from quantity to quality in forest management and ecological practices [12][20][31]. Group 1: Forest Quality Improvement - Shimen National Forest Park, located in Guangzhou, has a forest coverage rate of 96.56% and is undergoing a transition from single-layer forests to diverse, multi-aged mixed forests, enhancing both health and quality [14][7]. - The park serves as a model for the systematic practice and ecological logic of improving forest quality in Guangdong, addressing challenges such as monoculture and ecological function weaknesses [9][17][24]. - By the end of 2022, Guangdong's provincial government set a goal to optimize 15 million acres of forest and improve 30 million acres of forest care by 2035, with a target of over 60% mixed forest proportion [25][26]. Group 2: Ecological and Aesthetic Enhancements - The forest quality improvement involves a comprehensive approach, including forest structure control, ecological restoration, and landscape enhancement, creating a more vibrant and diverse ecosystem [33][36]. - The park's initiatives include the cultivation of large timber, colorful forest construction, and the nurturing of young forests, which collectively enhance ecological experiences and aesthetic value [35][50][66]. - The biodiversity within the park has increased, with sightings of protected species like the white pheasant becoming common, indicating a healthier ecosystem [62][66]. Group 3: Community and Cultural Integration - The improvements in forest quality have fostered a closer relationship between people and nature, with the park offering various activities such as nature education and wellness tourism [71][90]. - Shimen National Forest Park has been recognized with multiple accolades, including being a national AAAA-level tourist attraction, and has received over 800,000 visitors since 2023 [87][89]. - The park's initiatives also include cultural events and festivals that enhance public engagement and ecological awareness, contributing to a holistic approach to forest management [83][96].