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GB/T 45058-2024 English PDF

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GB/T 45058-2024: Technical specification for survey and assessment of biological resources in island and reef waters
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Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 45058-2024	English	439	Add to Cart	4 days [Need to translate]	Technical specification for survey and assessment of biological resources in island and reef waters	Valid	GB/T 45058-2024

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Basic data

Standard ID	GB/T 45058-2024 (GB/T45058-2024)
Description (Translated English)	Technical specification for survey and assessment of biological resources in island and reef waters
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	B50
Classification of International Standard	65.020.99
Word Count Estimation	22,245
Date of Issue	2024-12-31
Date of Implementation	2025-07-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration

GB/T 45058-2024: Technical specification for survey and assessment of biological resources in island and reef waters

---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.
National Standard of the People's Republic of China ICS 65.020.99CCS B 50 Technical specifications for survey and assessment of biological resources in island and reef waters Technical specification for survey and assessment of biological resources in island and reef waters 2024-12-31 Release 2025-07-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Preface Ⅲ 1 Scope...1 2 Normative references ...1 3 Terms and Definitions 1 4 General Requirements 1 5 Marine Ecological Survey...2 6 Seaweed or seagrass survey 2 6.1 Site Layout 2 6.2 Investigation Time 2 6.3 Survey Methods 2 7 Survey of fish eggs, larvae and juveniles ...2 8 Swimming Animal Survey...2 8.1 Acoustic Investigation 2 8.2 Gillnet Survey 3 8.3 Underwater video survey ...3 8.4 Fishing gear survey 4 8.5 Cage pot survey ...4 9 Resource Assessment 4 9.1 Chlorophyll a and primary productivity 4 9.2 Phytoplankton 4 9.3 Zooplankton...4 9.4 Macrobenthic animals ...4 9.5 Intertidal organisms 5 9.6 Seaweed or seaweed 5 9.7 Fish eggs, larvae and juveniles 5 9.8 Swimming Animals 5 10 Data Archiving 5 Appendix A (Informative) Algae or seagrass survey transect and sample plot setup 6 Appendix B (Informative) Data Recording Table 7 Appendix C (Normative) Calculation formula for biodiversity assessment parameter indicators...10 C.1 Species dominance 10 C.2 Species diversity index...10 C.3 Species richness index...10 C.4 Species evenness index...10 C.5 Simpson's dominance index 11 Appendix D (Normative) Calculation formula for seaweed or seagrass resource assessment parameter indicators ...12 D.1 Plant height...12 D.2 Density 12 D.3 Biomass 12 Appendix E (Normative) Calculation formula for evaluating the density of underwater swimming animals in video ...13 References ...14

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 of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the Ministry of Agriculture and Rural Affairs of the People's Republic of China. This document is under the jurisdiction of the National Technical Committee on Aquatic Products Standardization (SAC/TC 156). This document was drafted by. South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangdong Ocean University, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences Shenzhen Experimental Base of the Institute of Fisheries, Sanya Tropical Fisheries Research Institute. The main drafters of this document are. Liu Yong, Xiao Yayuan, Wang Teng, Wang Xuefeng, Li Chunhou, Lin Lin, Wu Peng, Chen Guobao, Liu Yu, Ma Zhenhua, Zou Jian, Huang Xiaolin. Technical specifications for survey and assessment of biological resources in island and reef waters

1 Scope

This document stipulates the general requirements for the investigation of biological resources in island and reef waters, including marine ecology, seaweed or seagrass, fish eggs, larvae and juveniles, and swimming The technical requirements for investigation and evaluation of animals and other items as well as data archiving describe the corresponding verification methods. This document is applicable to the survey and assessment of biological resources in island and reef waters such as sea islands, coral reefs and rocky reefs.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 12763.1 Specification for marine surveys Part 1.General GB/T 12763.6-2007 Marine Survey Specification Part 6.Marine Biological Survey GB/T 12763.10 Marine Survey Specification Part 10.Seabed Topography and Geomorphology Survey HY/T 082-2005 Technical regulations for coral reef ecological monitoring SC/T 9403-2012 Specification for marine fishery resources survey

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 island and reef Land surrounded by water and exposed above the water in the ocean, or rocks that are exposed above the water due to the tides. Note. A general term for islands and reefs. 3.2 Island and reef waters The waters with relatively independent ecosystem characteristics within a certain range around islands and reefs (3.1). 3.3 biological resource in island and reef waters A general term for animals and plants in island and reef waters (3.2) that have development and utilization value.

4 General requirements

The biological resource survey of island and reef waters should include marine ecological survey, seaweed or seagrass survey, fish eggs, larvae and juvenile fish survey and swimming animals survey. investigation. The basic procedures, survey quality control, survey plan preparation, survey personnel and marine operations for the survey of biological resources in island and reef waters shall be in accordance with GB/T 12763.1 Regulations shall be implemented. The general provisions of the investigation shall be implemented in accordance with GB/T 12763.6. Underwater video surveys should be conducted by professionals with relevant diving qualifications, who should strictly follow the procedures during the operation. Safety.

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