In conducting coastal open air placer mining or shore-based well drilling to exploit seabed mineral resources, effective measures must be taken to prevent pollution to the Marine environment.

露天开采海滨砂矿和从岸上打井开采海底矿产资源，必须采取有效措施，防止污染海洋环境。

youdao

Marine optical buoy is of important value in terms of calibration and validation of ocean color remote sensing, scientific observation, coastal environment monitoring, etc.

海洋光学浮标在水色遥感现场辐射定标和数据真实性检验、海洋科学观测、近海海洋环境监测等方面有重要应用价值。

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Dissolved plant nutrients are carried by river freshwater runoff into the sea estuarine coastal regions are a favourable Marine environment for special organic species to recuperate and multiply.

由于来自江河的淡水在下携带大量的营养盐入海，河口海区成为适合于特殊门类的有机物生长的有利海洋环境。

youdao

The Yeosu Declaration aims to promote greater stewardship of the marine environment, sharing knowledge and understanding of how oceans and coastal resources can be enjoyed in a sustainable manner for present and future generations.

UNESCO: Intergovernmental Oceanographic Commission

Its mission is to promote international cooperation and to coordinate programmes in research, services and capacity building to learn more about the nature and resources of the oceans and coastal areas, and to apply this knowledge to improved management, sustainable development and protection of the marine environment and the decision making processes of its 144 Member States.

UNESCO: Social and Human Sciences

'promote international cooperation and to coordinate programmes in research, services and capacity building, in order to learn more about the nature and resources of the ocean and coastal areas and to apply that knowledge for the improvement of management, sustainable development and protection of the marine environment and the decision-making process of its Member States'.

UNESCO: Social and Human Sciences