GB/T 42631-2023 English PDF

US$579.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 42631-2023: Guideline for marine ecosystem health assessment in nearshore area
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42631-2023	579	Add to Cart	5 days	Guideline for marine ecosystem health assessment in nearshore area	Valid

Similar standards

GB/T 33584.2   GB/T 33584.3   GB 18420.1   GB/T 33584.1   GB/T 17923   

Basic data

Standard ID: GB/T 42631-2023 (GB/T42631-2023)
Description (Translated English): Guideline for marine ecosystem health assessment in nearshore area
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Z17
Classification of International Standard: 07.060, 13.060
Word Count Estimation: 28,269
Date of Issue: 2023-05-23
Date of Implementation: 2023-12-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42631-2023: Guideline for marine ecosystem health assessment in nearshore area

---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.
ICS 07:060;13:060 CCSZ17 National Standards of People's Republic of China Guidelines for Assessment of Coastal Marine Ecological Health Released on 2023-05-23 2023-12-01 Implementation State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Ecological health classification 2 5 Ecological health assessment 2 5:1 Coral Reef Ecosystem Assessment 2 5:2 Ecosystem assessment of seagrass beds5 5:3 Evaluation of mangrove ecosystem9 5:4 Evaluation of estuary ecosystems and bay ecosystems13 Appendix A (Normative) Biological Evaluation Basis for Various Groups 16 Reference 22 Table 1 Coral reef ecosystem index weight score2 Table 2 Evaluation indicators of coral reef water environment3 Table 3 Coral reef habitat evaluation indicators4 Table 4 Coral reef biome evaluation indicators4 Table 5 Weight scores of seagrass bed ecosystem indicators5 Table 6 Evaluation indicators of seagrass bed water environment 6 Table 7 Evaluation index of seagrass bed depositional environment 6 Table 8 Habitat evaluation indicators for seagrass beds7 Table 9 Evaluation indicators of seagrass bed biome8 Table 10 Weight scores of mangrove ecosystem indicators9 Table 11 Mangrove ecosystem water environment evaluation indicators 10 Table 12 Mangrove biological quality evaluation indicators10 Table 13 Mangrove habitat evaluation indicators 11 Table 14 Mangrove biome evaluation indicators12 Table 15 Index weight scores of estuary ecosystems and bay ecosystems13 Table 16 Water environment assessment indicators for estuary ecosystems and bay ecosystems13 Table 17 Habitat evaluation indicators for estuarine ecosystems and bay ecosystems14 Table 18 Biome evaluation indicators of estuary ecosystems and bay ecosystems14 Table A:1 Evaluation standard value of phytoplankton density (A) in four seasons in each region 16 Table A:2 Evaluation standard value of zooplankton density (B) in four seasons in each region 17 Table A:3 Evaluation Standard Values of Zooplankton Biomass (C) in Four Seasons in Each Region 17 Table A:4 Evaluation standard value of macrobenthic density (D) in four seasons in each region18 Table A:5 Evaluation Standard Values of Macrobenthos Biomass (E) in Four Seasons in Each Region 19 Table A:6 Coordinate system of spatial distribution of each area 20

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 for Standardization Documents" drafting: Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by the Ministry of Natural Resources of the People's Republic of China: This document is under the jurisdiction of the National Marine Standardization Technical Committee (SAC/TC283): This document was drafted by: National Marine Environmental Monitoring Center, South China Sea Institute of Oceanology, Chinese Academy of Sciences, and the Third Ocean Research Institute of the Ministry of Natural Resources Institute, Guangxi Mangrove Research Center: The main drafters of this document: Ma Minghui, Luo Hao, Huang Hui, Tang Kunxian, Fan Hangqing, Lan Dongdong, Yu Chunyan, Liang Bin, Zheng Xinqing, Bao Chenguang, Li Mian, Xu Yan, Liang Yahui, Zhu Rongjuan, Sui Weina, Yu Dong, Zhang Zhifeng: Guidelines for Assessment of Coastal Marine Ecological Health

1 Scope

This document provides guidance and recommendations for ecological health grading and assessment methods for nearshore marine ecological health assessment: This document is applicable to the ecology of coral reefs, seagrass beds, mangroves, estuaries and bays in the inland sea, territorial sea and sea areas under the jurisdiction of the People's Republic of China System health assessment:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: GB 17378:2 Marine monitoring specification Part 2: Data processing and analysis quality control GB 17378:3 Marine Monitoring Specification Part 3: Sample Collection, Storage and Transportation GB 17378:4 Marine Monitoring Specifications Part 4: Seawater Analysis GB 17378:5 Marine Monitoring Specification Part 5: Sediment Analysis GB 17378:6 Marine Monitoring Specification Part 6: Analysis of Organisms GB 17378:7 Specifications for Marine Monitoring Part 7: Ecological Survey and Biological Monitoring of Offshore Pollution HJ442:10 Evaluation and Report of Part 10 of Technical Specifications for Environmental Monitoring in Coastal Sea Areas HY/T 081 Mangrove Ecological Monitoring Technical Regulations HY/T 082 Coral Reef Ecological Monitoring Technical Regulations HY/T 083 Technical Regulations for Seagrass Bed Ecological Monitoring HY/T 084 Gulf Ecological Monitoring Technical Regulations HY/T 085 Estuary Ecological Monitoring Technical Regulations

3 Terms and Definitions

The following terms and definitions apply to this document: 3:1 ecological health ecosystemhealth The ecosystem maintains its natural attributes, maintains the stability of biodiversity and key ecological processes, and continues to perform its service functions: 3:2 coral reef ecosystem coralreefecosystem In tropical and subtropical waters, a unified natural environment composed of coral reef habitats and biological communities formed by reef-building corals and reef-building organisms However overall: 3:3 seagrass bed ecosystem seagrassbedecosystem A unified natural whole composed of higher plant seagrass communities and other biological communities and environments that grow in nearshore shallow water areas: ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 42631-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 42631-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 42631-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 42631-2023_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+ countries

Question 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 Sales@ChineseStandard.net. 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.