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