43 湖南省地方标准 国家储备林建设技术规范 Technical Code on Construction of National Forest ReservesICS CCS 6 65.020.40 B 4 发 布 湖南省市场监督管理局2021-12发布-07 2022-02实施-07DB43/T224—2021 2 DB43/T 2242—2021 I 目 次 前言 ························································································································ Ⅲ 1 范围 ···················································································································· 1 2 规范性引用文件 ····································································································· 1 3 术语与定义 ··········································································································· 1 4 原则 ···················································································································· 2 5 建设分区 ·············································································································· 2 6 经营类型与技术要求 ······························································································· 2 7 定量标准 ·············································································································· 4 8 树种选择 ·············································································································· 4 9 方案编制与作业设计 ······························································································· 5 10 作业要求 ············································································································· 5 11 验收 ··················································································································· 5 12 档案管理 ············································································································· 5 附录A（资料性） 建设区域自然条件及范围 ··································································· 6 附录B（规范性） 国家储备林建设立地质量等级划分表 ···················································· 7 附录C（规范性） 国家储备林树干通直度等级划分表 ······················································· 8 附录D（资料性） 国家储备林主要造林树种适生条件及密度表 ··········································· 9 DB43/T 2242—2021 II DB43/T 2242—2021 III 前 言 本文件按照 GB/T 1.1 —2020《标准化工作导则 第1部分：标准化文件的结构和起草规则》的规 定起草。 请注意本文件的某些内容可能涉及专利，本文件的发布机构不承担识别专利的责任。 本文件由湖南省林业局提出。 本文件由湖南省林业标准化技术委员会归口。 本文件起草单位：湖南省青羊湖国有林场、原湖南省林业外资项目管理办公室、湖南省农林工业勘 察设计研究总院、国家林业和草原局中南调查规划设计院、湖南省林业事务中心、湘西州林业综合服务 中心。 本文件主要起 草人：易烜、李玉平、刘永强、廖科、周根苗、李新建、朱晋梅、边更战、和红晓、 陈宇茂、杨俊杰、成其书、喻剑波、黄靓、刘文剑。 DB43/T 2242—2021 IV DB43/T 2242—2021 1 国家储备林建设技术规范 1 范围 本文件规定了国家储备林建设的原则、建设分区、经营类型与技术要求、定量标准、树种选择、方 案编制与作业设计、作用要求、验收及档案管理等内容和要求。 本文件适用于湖南省国家储备林建设。 2 规范性引用文件 下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。 其中， 注日期的引用文件， 仅该日期对应的版本适用于本文件；不注日期 的引用文件，其最新版本（包括所有的修改单）适用于本 文件。 GB 6000 主要造林树种苗木质量分级 GB/T 15776 造林技术规程 GB/T 15781 森林抚育技术规程 LY/T 1000 容器育苗技术 LY/T 1706 速生丰产用材林培育技术规程 LY/T 2118 大径级用材林培育导则 LY/T 2787 国家储备林改培技术规程 国家储备林建设规划（ 2018～2035年） 湖南省国家储备林建设规划（ 2018～2035年） 3 术语与定义 下列术语与定义适用于本标准。 3.1 国家储备 林 national forest reserves 为满足经济社会发展和人民美好生活对优质木材的需要，在自然条件适宜地区，通过人工林集约栽 培、现有林改培、抚育及补植补造等措施，营造和培育工业原料林、乡土树种、珍贵树种和大径级用材 林等多功能森林。 3.2 工业原料用材林 industrial timber forest 以生产纸浆 材及特殊工业用木质原料为主要目的，通过使用良种壮苗和实施集约经营，缩短培育周期， 按照工程项目管理，获取最佳经济效益，森林生长指标 达到LY/T 1706 Ⅰ类生长量下限 15.0 m3/hm2•a的 乔木林。 3.3 珍贵树种用材林 rare timber forest 指列入国家或省级珍贵树种名录，具有材质优良、特殊用途或较高价值的用材林分。 DB43/T 2242—2021 2 3.4 乡土树种用材林 indigenous timber forest 指本地区天然分布树种或者已引种多年且在当地一直表现良好的外来树种， 具有较高价值或优良材 质的用材林分。 3.5 大径级用材林 large~size timber forest 指以培育大径材为主要目的的林分（大径材比例达到 50％以上） 。大径材标准按照 LY/T2118执行。 4 原则 4.1 坚持因地制宜、因林制宜，分类经营。 4.2 坚持适地适树，采用良种壮苗。 4.3 坚持以提升林地综合利用率和优化林分结构，提高林分质量和生长量为重点。 4.4 坚持用材功能和生态功能相结合。 5 建设分区 按照《国家储备林建设规划（ 2018～2035年） 》和《湖南省国家储备林建设规划（ 2018～2035年） 》 的规定，依据显著影响林木生长发育的地形地貌和气候条件及其差异性，全省划分 4个建设区，参见附 录A。 6 经营类型与技术要求 6.1 集约人工林栽 培 立地质量较好的荒山荒地、迹地等，通过实施集约人工造林、人工更新措施，使用乡土珍贵树种、 良种壮苗，采用先进林业技术，定向培育工业原料林、珍贵树种和大径级用材林的森林经营活动。