|
US$389.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
LY/T 1689-2007: Indicators system for long-term observation of forest ecosystem in warm temperate zone
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| LY/T 1689-2007 | English | 389 |
Add to Cart
|
3 days [Need to translate]
|
Indicators system for long-term observation of forest ecosystem in warm temperate zone
| |
LY/T 1689-2007
|
PDF similar to LY/T 1689-2007
Basic data | Standard ID | LY/T 1689-2007 (LY/T1689-2007) | | Description (Translated English) | Indicators system for long-term observation of forest ecosystem in warm temperate zone | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B65 | | Classification of International Standard | 65.020 | | Word Count Estimation | 11,177 | | Date of Issue | 2007-06-04 | | Date of Implementation | 2007-10-01 | | Quoted Standard | LY/T 1606-2003 | | Regulation (derived from) | Chinese industry standard filing Notice 2007 No. 9 (No. 93 overall) | | Issuing agency(ies) | State Forestry Administration | | Summary | This standard specifies the temperate forest ecosystem observations, namely meteorological conventional indicators, forest microclimate and gradient index, the forest atmospheric deposition targets, the physical and chemical indicators of forest soils, forest ecosystem health indicators, indicators of forest hydrology and forest community characteristics indicators. This standard applies to our range of temperate forest ecosystem observation. | LY/T 1689-2007: Indicators system for long-term observation of forest ecosystem in warm temperate zone
---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.
Indicators system for long-term observation of forest ecosystem in warm temperate zone
ICS 65.020
B65
People's Republic of China Forestry Industry Standard
Warm temperate forest ecosystem
Positioning observation index system
Released on.2007-06-04
2007-10-01 implementation
State Forestry Administration released
Foreword
This standard is proposed and managed by the State Forestry Administration.
This standard is drafted by. Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, Inner Mongolia Agricultural University.
The main drafters of this standard. Wang Bing, De Yongjun, Yang Fengwei, Zhou Mei, Gao Runhong, Liu Dianguo, Li Shaoning, Zheng Qiuhong, Zhang Huidong.
This standard was first published.
Warm temperate forest ecosystem
Positioning observation index system
1 Scope
This standard specifies the indicators for the observation of warm temperate forest ecosystems, namely meteorological routine indicators, forest microclimate and gradient indicators, forests.
Atmospheric deposition indicators, physical and chemical indicators of forest soils, forest ecosystem health indicators, forest hydrological indicators and forest community characteristics indicators.
This standard is applicable to the long-term positioning observation of warm temperate forest ecosystems in China.
2 Normative references
The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all
Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study
Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard.
LY/T 1606-2003 Forest Ecosystem Positioning Observation Index System
3 Terms and definitions
The terms and definitions established by LY/T 1606-2003 and the following terms apply to this standard.
3.1
In the climatic conditions of hot and rainy summers and cold and dry winters, the deciduous broad-leaved arbor species (or other arbor species) are the main
Community (including animals, plants, microorganisms, etc.), with continuous energy exchange, material circulation and energy information transfer with time and space
A functional unit with life and regenerative capabilities.
3.2
The amount of water lost when the soil is dried at 105 ° C to constant weight, the mass of water in the unit soil mass (mass fraction) or unit soil capacity
The volume (volume fraction) of water in the product is expressed.
3.3
Direct radiation from the sun's surface and a very narrow circular sky radiation around the sun (annual radiation). It is indicated by the symbol S.
3.4
The portion of short-wave radiation that is reflected upward by the underlying surface (active layer) after the total radiation reaches the ground. It is represented by the symbol Er↑.
3.5
Optical radiation having a wavelength in the range of about 10 nm to 400 nm.
3.6
Under certain conditions, the reciprocal of the electrical resistance between two electrodes per unit volume of aqueous solution. As a measure of the concentration of ionizable solutes in a water sample.
3.7
The phenomenon of water seeping into the soil from the surface of the soil.
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of LY/T 1689-2007_English be delivered?Answer: Upon your order, we will start to translate LY/T 1689-2007_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of LY/T 1689-2007_English with my colleagues?Answer: Yes. The purchased PDF of LY/T 1689-2007_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.
|