GB/T 41339.4-2023Technical guideline for marine ecological restoration—Part 4: Ecological restoration of seagrass bed (English PDF)

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.

This document is part 4 of GB/T 41339 "Technical Guidelines for Marine Ecological Restoration". GB/T 41339 has issued the following parts.

--- Part 1: General;

--- Part 2: Coral reef ecological restoration;

---Part 4: Ecological restoration of seagrass beds.

Introduction

With the continuous deepening of my country's marine ecological civilization construction, the demand for the protection and restoration of seagrass bed ecosystems is increasing.

Seagrass bed restoration projects related to ecological compensation and ecological restoration are gradually increasing. In order to further guide and standardize seagrass bed ecological restoration work and improve The effectiveness of grass bed ecological restoration is formulated in this document.

This document is part 4 of GB/T 41339 "Technical Guidelines for Marine Ecological Restoration". GB/T 41339 serves as a guide for all kinds of marine life The basic and universal standards for state restoration work are proposed to be composed of six parts.

--- Part 1: General. The purpose is to establish the basic principles, overall processes and technologies that are generally applicable to various types of marine ecological restoration content.

---Part 2: Coral Reef Ecological Restoration. The purpose is to establish the workflow and technical content of coral reef ecological restoration.

--- Part 3: Mangrove ecological restoration. The purpose is to establish the workflow and technical content of mangrove ecological restoration.

---Part 4: Ecological restoration of seagrass beds. The purpose is to establish the workflow and technical content of seagrass bed ecological restoration.

---Part 5: Ecological Restoration of Coastal Salt Marshes. The purpose is to establish the workflow and technical content of coastal salt marsh ecological restoration.

--- Part 6: Beach ecological restoration. The purpose is to establish the workflow and technical content of beach ecological restoration.

1 Scope

This document provides guidance and suggestions on the basic principles, overall process, analysis and diagnosis, program development and program implementation of seagrass bed ecological restoration.

This document is applicable to the ecological restoration of seagrass beds.

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 3097 sea water quality standard

GB/T 12763 (all parts) Marine survey specification

GB/T 17378 (all parts) Marine monitoring specification

GB 18668 Marine Sediment Quality

GB/T 41339.1-2022 Technical Guidelines for Marine Ecological Restoration Part 1: General Principles

HY/T 083 Technical Regulations for Seagrass Bed Ecological Monitoring

3 Terms and Definitions

The following terms and definitions apply to this document.