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The study aims to assess marine biodiversity security, which is closely linked to a healthy planet and societal well-being. It defines marine biodiversity security, identifies threats such as climate change, marine debris and invasive species and explores mechanisms impacting this security to aid in achieving Aichi Targets and enhancing ecological sustainability.

Using spatial statistical methods, the research analyzes the temporal and spatial distribution of marine biodiversity. It provides a comprehensive multi-layered perspective on the current state of global marine biodiversity, facilitating the identification of threats and the understanding of their mechanisms.

The findings indicate significant threats to marine biodiversity, with an emphasis on climate change, marine debris and invasive species. The report reveals the spatial distribution of endangered species and underscores the need for urgent actions to address these threats and improve marine biodiversity security globally.

This report serves as a critical reference for promoting healthy, productive marine biodiversity that supports societal welfare. It underscores the importance of establishing a protective framework for marine biodiversity, contributing to the realization of the United Nations Sustainable Development Goals, particularly SDG 14.

With increasing marine resource development, the rapid development of the marine economy, and the continuous decline of the marine natural resource system, the contradiction between marine resources and economic development is becoming increasingly acute. The study of marine resources and economic development has become a hot and challenging issue in marine resource economics research in recent years. The purpose of this study is to analyze the current situation of marine resources and to realize the sustainable use of marine resources.

This study systematically reviews and analyzes the current status of research on marine resources and economic development issues in four main aspects: marine resource management, marine resources and economic growth, marine resources and economic security, and marine resource accounting in the field of marine resource economics.

It is found that compared to the current status of research on land-based resources and economic development, there is a significant lag in both theoretical construction and methodological innovation in marine resources and economic development.

The purpose of this study is to systematically grasp the current status of marine resources research, promote the coordinated development of marine resources and economic growth, and then realize the safe and sustainable development and utilization of marine resources.