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LY/T 1812-2021: (Forest land classification)
Status: Valid LY/T 1812: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| LY/T 1812-2021 | English | 139 |
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(Forest land classification)
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LY/T 1812-2021
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| LY/T 1812-2009 | English | 239 |
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Forest land classification
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LY/T 1812-2009
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Basic data | Standard ID | LY/T 1812-2021 (LY/T1812-2021) | | Description (Translated English) | (Forest land classification) | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B65 | | Word Count Estimation | 6,655 | | Issuing agency(ies) | State Forestry and Grassland Administration | LY/T 1812-2021: (Forest land classification)---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Forest land classification)
ICS 65.020.40
CCSB60
People's Republic of China Forestry Industry Standard
Forest classification
Published on 2021-06-30
2022-01-01 Implementation
Released by the State Forestry and Grassland Administration
directory
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Forest classification principles 1
5 Woodland Classification 1
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
drafted.
This document replaces LY/T 1812-2009 "Forest Land Classification". Compared with LY/T 1812-2009, the main technical changes are as follows.
--- Changed the first-level land type, from 8 to 7 (see Chapter 5, see Chapter 5 of the.2009 edition);
---Added the first-class land type (see Chapter 5, see Chapter 5 of the.2009 edition);
---Deleted the first-class land type of forest land and the second-class land type of mangrove land, and adjusted the arbor forest land and bamboo forest land from the second-class land type to the first-class land type.
Class land type (see Table 1, see Table 1 of the.2009 edition);
--- Deleted the first-class land category of forest without standing trees, and regarded the felled land and fire-burned land as the second-class land category (see Table 1, see
Table 1 of the.2009 edition);
--- Added other trails as the second-level category of trails (Table 1 in Chapter 5);
--- Deleted the two first-level land categories of suitable forest land and auxiliary production forest land (see Table 1 in Chapter 5 of the.2009 edition).
This document is proposed by the Forest Resources Management Department of the State Forestry and Grassland Administration.
This document is under the jurisdiction of the National Standardization Technical Committee of Forest Resources (SAC/TC370).
This document is drafted by. Survey, Planning and Design Institute of State Forestry and Grassland Administration, School of Forestry, Beihua University.
The main drafters of this document. Wang Hongchun, Ge Lili, Wang Hezhi, Yang Brown, Hu Jiping, Weng Guoqing, Bian Fei, Chen Jing, Feng Wanbin, Ma Yane,
Chen Mengdi, Ma Shangyu, Wang Lianghong.
The previous versions of the standards replaced by this document are as follows.
---LY/T 1812-2009.
Forest classification
1 Scope
This document specifies the classification and classification system and classification technical standards of forest land resources.
This document is mainly applicable to nationwide forest resource monitoring, planning and design, and forest management.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB/T 15162 Technical regulations for aerial seeding afforestation
GB/T 15163 Technical regulations for closing mountains (sand) for afforestation
GB/T 15776 Afforestation Technical Regulations
Lin Zi Fa [2004] No. 14 State Special Provisions on Shrub Forest Land (for Trial Implementation)
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
forestland
Land used for forestry ecological construction and production and operation.
3.2
canopy closure
The ratio of the vertical projected area of the canopy to the woodland area.
3.3
Percentage of shrub canopy vertical projected area to woodland area.
4 Principles of forest classification
4.1 The principle is based on the classification of forest land coverage types, supplemented by the classification of utilization status.
4.2 The principle of taking into account and connecting with the existing forest land classification as much as possible.
4.3 Principles that facilitate the planning and design of forest resources, management, asset management and the implementation of the forest ecological benefit compensation system.
5 Woodland classification
Woodland is divided into two levels. The first level is divided into seven categories, including tree forest land, bamboo forest land, sparse forest land, shrub forest land, unforested afforestation land, trails
ground, nursery ground. Shrub land and unforested afforestation are divided into two second-level land categories, and the slash land is divided into three second-level land categories.
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