ICS 65.020 CCS B65 DB1304 邯 郸 市 地 方 标 准 DB1304/T 470—2024 城市主要行道树健康调查与评价指南 2024-06-12发布 2024-06-20实施 邯郸市市场监督管理局 发 布 DB1304/T 470 —2024 目 录 1 范围 ............................................................................................................................................. 2 2 规范性引用文件 ......................................................................................................................... 2 3 术语和定义 ................................................................................................................................. 2 3.1 行道树健康评价 streettree health diagnosis ........................................................................ 2 3.2 生长量 Growth .................................................................................................................... 2 3.3 冠型Coronal form ................................................................................................................ 2 3.4 枝叶密度 Branch and leaf density ....................................................................................... 2 3.5 叶面积指数 Leaf area index ................................................................................................ 2 3.6 叶色Leaf color ..................................................................................................................... 2 3.7 树干及大枝枯损程度 The degree of withering and damage to tree trunks and branches .. 2 3.8 树皮损伤程度 Degree of bark damage ................................................................................ 3 3.9 树梢枯损程度 The degree of withering and damage to tree tops ........................................ 3 3.10 枝干直立度 Branch upright degree .................................................................................... 3 4 行道树健康评价指标体系 ......................................................................................................... 3 5 行道树健康评价指标调查方法 ................................................................................................. 3 5.1 数据调查时间 ..................................................................................................................... 3 5.2 生长量 .................................................................................................................................. 3 5.3冠型 ....................................................................................................................................... 3 5.4枝叶密度 ............................................................................................................................... 3 5.5叶色 ....................................................................................................................................... 3 5.6枝干及大枝枯损程度 ........................................................................................................... 4 5.7树皮损伤程度 ....................................................................................................................... 4 5.8树梢枯损程度 ....................................................................................................................... 4 5.9枝干直立度 ........................................................................................................................... 4 5.10病虫枝比例 ......................................................................................................................... 4 5.11病虫叶比例 .......................................................................................................................... 4 6 行道树健康评价指标分级 ......................................................................................................... 4 7 行道树健康评价各指标层权重 ................................................................................................. 5 8 行道树健康评价综合指数 (HI)计算 .......................................................................................... 6 9 行道树健康程度等级评价 .......................................................................................