反映林分密度的生态学指标，指乔木树冠在阳光直射下的总投影面积与林地总面积之比。常用于竹林等植被覆盖评估，阈值通常设定为0.2以上或40%覆盖率。
| 标准号 & 类别 | 标准名称 | 发布 |
|---|---|---|
| DB11/T 771-2010 规程 |
Technical Regulations for the Cultivation of Laoyu Carex
土壤质地 |
2011-04-01 北京市地方标准 |
| DB12/T 1069-2021 规范 |
Scale Peony Cultivation Regulations for Oil Use
油用牡丹 |
2021-08-16 天津市地方标准 |
| DB1310/T 211-2019 规程标准 |
Technical regulations for understory cultivation of clover
林下栽培 |
2019-12-02 河北省标准 |
| DB14/T 1621-2025 规范 |
Technical regulations for ecological cultivation of Pleurotus nebrodensis
白灵菇 |
2025-04-16 山西省标准 |
| DB15/T 2756-2022 规范标准 |
Technical regulations on pest control of Ganoderma lucidum planting in alpine regions
灵芝 |
2022-08-15 内蒙古自治区标准 |
| DB21/T 4169-2025 规程标准 |
Technical Regulation for the Cultivation of Anemarrhena asphodeloides under Poplar Forest
知母 |
2025-07-30 辽宁省标准 |
| DB21/T 4247-2025 规范 |
Technical Regulations for the Cultivation of Epimedium sagittatum under Forest Shade in Linxia, Gansu
林下种植 |
2025-11-27 辽宁省标准 |
| DB21/T 4248-2025 规范 |
Technical Regulations for the Cultivation of Cimicifuga foetida under Forest Canopy
林下种植 |
2025-11-27 辽宁省标准 |
| DB21/T 4249-2025 规范 |
Technical Regulations for the Cultivation of Asarum heterotropoides var. mandshuricum under the Forest Canopy
林下种植 |
2025-11-27 辽宁省标准 |
| DB21/T 4439.1-2026 规程 |
Technical Code for Ecological Cultivation of Forest-Under Flowers Part 1: Tulip
郁金香 |
2026-05-07 辽宁省标准 |
| DB2104/T 0023-2023 规范 |
Technical regulations for ginseng cultivation under forest in Fushun
|
2023-04-03 辽宁省标准 |
| DB2105/T 015-2024 规程 |
Technical Standards for Gastrodia Elata Cultivation in Xing'an
林下种植 |
2024-12-27 辽宁省标准 |
| DB2105/T 016-2024 规范 |
Lingya Korea Epimedium Planting Technical Specifications
林下种植 |
2024-12-27 辽宁省标准 |
| DB22/T 1073-2011 规程标准 |
Technical regulations for the production of green epimedium
种苗 |
2011-12-01 吉林省地方标准 |
| DB3212/T 2001-2019 规程标准 |
Technical regulations for goose breeding under forest
|
2019-12-10 江苏省标准 |
| DB35/T 1347-2013 规程标准 |
Cultivation Technical Regulations of Grass Coral Understory
林下栽培 |
2013-08-01 福建省地方标准 |
| DB36/T 1554-2021 规范 |
Technical Regulations for Ecological Cultivation of Dendrobium officinale
铁皮石斛 |
2021-12-31 江西省标准 |
| DB4105/T 144-2020 规范 |
Technical Regulations for Understory Grass Production
|
2020-10-10 河南省标准 |
| DB4114/T 104-2019 规范 |
Technical regulations for the renovation of closed apple orchards in the old course of the Yellow River
间伐 |
2019-01-09 河南省标准 |
| DB42/T 1809-2022 规范 |
Technical Regulations for Improvement of Low-yielding Walnut Forest
|
2022-03-03 湖北省地方标准 |
| DB4203/T 143-2019 规范 |
Cultivation Technical Regulations of Chinese Medicinal Herb Aescin
林下栽培 |
2019-07-30 湖北省地方标准 |
| DB43/T 2110-2021 规程标准 |
Jiujie tea seedling cultivation technical regulations
|
2021-07-02 湖南省标准 |
| DB43/T 2185-2021 规程标准 |
Technical regulations for artificially promoting natural regeneration of Quercus argyi secondary forest
|
2021-10-14 湖南省标准 |
| DB45/T 2390-2021 规范 |
Technical Regulations for Epiphytic Cultivation of Tropical Orchid
|
2021-11-27 广西壮族自治区标准 |
| DB46/T 561-2021 规范 |
Technical regulations for interplanting stylo in oil palm undergrowth
油棕 |
2021-11-19 海南省标准 |
| DB5104/T 93-2023 技术规范 |
Technical regulations for planting konjac under forest
魔芋 |
2023-12-29 四川省标准 |
| DB53/T 1390.1-2025 规范标准 |
Technical Regulations for the Production of Wild Ginseng under the Forest - Part 1: Site Selection and Land Preparation
西洋参 |
2025-05-09 云南省地方标准 |
| DB53/T 982.2-2020 规范 |
Technical regulations for the production of Chinese herbal medicine Panax notoginseng under the forest Part 2: Planting under the forest
三七 林下种植 |
2020-06-11 云南省地方标准 |
| DB61/T 500.04-2010 规范标准 |
Technical specification for Eucommia garden construction
杜仲 |
2010-11-23 陕西省标准 |
| DB6107/T 56-2024 规范 |
Technical regulations for planting American ginseng under forests
有机肥 西洋参 |
2024-09-19 陕西省标准 |
| DB63/T 1303-2014 规程 |
Alpine mountainous forest tending technical regulations
森林抚育 目标树 |
2014-06-09 青海省标准 |
| GB/T 41546-2022 |
Forest certification in China—Bamboo stand management
|
2022-04-15 国家市场监督管理总局 |
| GB/T 41552-2022 |
Code of practice for ecological cultivation of Panax notoginseng in forest
三七 |
2022-04-15 国家市场监督管理总局 |
| LY/T 1812-2009 分类 |
Forest land classification
林地 |
2009-06-18 行业标准-林业 |
| LY/T 1812-2021 规范 |
Woodland classification
林地 |
2021-06-30 行业标准-林业 |
| T/CSF 022-2021 指南标准 |
Identification guideline for young growth of natural broad-leaved forests in mid-subtropical zone
|
2021-12-02 中国团体标准 |
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