LY/T 2938-2018 English PDF

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LY/T 2938-2018: Principles and methods of conserving wild plant species with extremely small populations
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Basic data

Standard ID: LY/T 2938-2018 (LY/T2938-2018)
Description (Translated English): Principles and methods of conserving wild plant species with extremely small populations
Sector / Industry: Forestry Industry Standard (Recommended)
Classification of Chinese Standard: B65
Classification of International Standard: 65.020.40
Word Count Estimation: 21,289
Date of Issue: 2018-02-27
Date of Implementation: 2018-06-01
Regulation (derived from): State Forestry Administration Announcement No. 5 of 2018
Issuing agency(ies): State Forestry Administration

LY/T 2938-2018: Principles and methods of conserving wild plant species with extremely small populations

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Principles and methods of conserving wild plant species with extremely small populations ICS 65.020.40 B65 People's Republic of China Forestry Industry Standard Principles and methods for protection of very small populations of wild plants Published on.2018-02-27 2018-06-01 implementation State Forestry Administration released

Content

Foreword I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 protected object 2 5 Principle 2 6 Population Survey 2 7 In situ protection 3 8 near-ground protection 4 9 Ex situ protection 5 10 in vitro preservation 5 11 Field return 6 12 Monitoring and evaluation 6 13 File Management 7 Appendix A (informative appendix) National Wildlife List of Very Small Populations 8 Appendix B (informative) Natural population survey record 12 Appendix C (informative appendix) Protecting the area of the community 13 Appendix D (informative) Near-ground protection point zoning and near-Earth population layout Figure 14 Appendix E (informative appendix) Collection of germplasm resources and reproductive materials 15 Appendix F (informative) Materials, quantities and conditions in vitro 16 Appendix G (informative appendix) Population Monitoring Record Table 17 Reference 18

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Yunnan Provincial Forestry Department. This standard is under the jurisdiction of the State Forestry Administration. This standard was drafted. Yunnan Academy of Forestry. The main drafters of this standard. Yang Wenzhong, Zhang Shanshan, Kang Hongmei, Duan Zongliang, Yang Hua, He Jiafei, Shao Jinping, Zhang Liangshi, Xiang Zhenyong, Yuan Ruiling, Chen Zhonghua. Principles and methods for protection of very small populations of wild plants

1 Scope

This standard specifies the objects and principles for the protection of wild plants in very small populations, as well as population surveys, in situ conservation, near-field protection, ex situ conservation, Methods of in vitro preservation, field return, monitoring and evaluation and file management. This standard applies to the protection of very small populations of wild plants.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 6001 nursery technical regulations GB/T 14072 Principles and methods for preservation of forest germplasm resources GB/T 15163 Fengshan (sand) forestry technical regulations GB/T 15776 Afforestation Technical Regulations GB/T 16619 Forest seed collection technology LY/T 1819 Technical Regulations for Rare and Endangered Wild Plants LY/T 1953 Nature Reserve Facility Identification Specification LY/T 2589 Regression Guide for Rare and Endangered Plants LY/T 2590 Technical Regulations for Seed Collection of Rare and Endangered Wild Plants

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Population size populationsize The total number of individuals in a species that are distributed over a range of time and space. Also known as "population size." 3.2 Minimum viable population minimumviablepopulation The minimum number of individuals required to survive a species within a certain time and space. 3.3 Very small population of wild plants wildplantspecieswithextremelysmalpopulations The narrow or intermittent distribution in the wild, long-term limited by its own reasons or external factors, the population continues to degenerate or reduce, the population size has been A plant that is less than the smallest survivable population and is endangered. 3.4 In situ protection insituconservation Protect, restore and monitor wild plants and their habitats in their native habitat. 3.5 Near-field protection nearsituconservation Wild plants are collected and preserved in natural or semi-natural areas with similar habitats in the vicinity of natural populations. ......

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