LY/T 2936-2018 English PDF

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LY/T 2936-2018: Indicators system for long-term observation of saline land ecosystem in desert region
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Basic data

Standard ID: LY/T 2936-2018 (LY/T2936-2018)
Description (Translated English): Indicators system for long-term observation of saline land ecosystem in desert region
Sector / Industry: Forestry Industry Standard (Recommended)
Classification of Chinese Standard: B65
Classification of International Standard: 65.020
Word Count Estimation: 7,795
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 2936-2018: Indicators system for long-term observation of saline land ecosystem in desert region

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Indicators system for long-term observation of saline land ecosystem in desert region ICS 65.020 B65 People's Republic of China Forestry Industry Standard Salinized land ecosystem in desert area Positioning observation index system Published on.2018-02-27 2018-06-01 implementation State Forestry Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the National Sand Control and Sand Control Standardization Technical Committee (SAC/TC365). This standard is drafted by. Institute of Desertification, Chinese Academy of Forestry. The main drafters of this standard. Cong Richun, Lu Qi, Feng Jinchao, Liu Yanshu, Yan Wenqiang. Salinized land ecosystem in desert area Positioning observation index system

1 Scope

This standard specifies the meteorological, soil, hydrological and biological indicators for the salinized land ecosystem. This standard applies to the observation and observation of salinized land ecosystems in desert areas.

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. LY/T 1698-2007 Desert Ecosystem Positioning Observation Index System

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Desert ecosystem desertecosystem A small community dominated by super-arid, small trees, shrubs, semi-shrubs and herbaceous plants with low precipitation, strong evaporation, extreme drought The natural ecosystem formed by the abiotic environment. 3.2 Salinization salinity The phenomenon or process of accumulation of easily soluble salts on the surface of the soil, also known as salinization. 3.3 Salinized land thesalineland The soil in the surface layer or the upper layer (root layer), the soil in the surface layer or the upper layer (root layer) affects the normal crops. The long land has also become a saline land.

4 indicator system

4.1 Meteorological indicators See Table 1 for various types of observations. Table 1 Meteorological indicators Indicator category observation indicator unit observation frequency Wind direction continuous observation or parallel observation 4 times/d (02 o'clock, 08 o'clock, 14 o'clock, 20 o'clock) Wind speed m/s continuous observation or parallel observation 4 times/d (02 o'clock, 08 o'clock, 14 o'clock, 20 o'clock) ......

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