Core Viewpoint - The release of the "Guidelines for Biodiversity Conservation and Sustainable Community Development in Marine Protected Areas of APEC Economies" marks a significant advancement in promoting biodiversity protection and sustainable development in coastal communities within the APEC framework [1][2]. Group 1 - The guidelines were developed by a team from the First Institute of Oceanography under the Ministry of Natural Resources, and have undergone rigorous review by all 21 APEC economies [1]. - The framework established in the guidelines focuses on ecosystem management principles, systematic threat assessments, marine spatial planning, climate-adaptive protection strategies, and inclusive governance structures [1]. - Innovative solutions such as the "community-protected area-regional cooperation" three-tier protection framework and ecological compensation mechanisms are designed to enhance both biodiversity protection and sustainable community development [1]. Group 2 - The guidelines are based on a project led by the First Institute of Oceanography, which focuses on community-based marine biodiversity conservation and sustainable development, supported by the APEC International Fund [2]. - The project aims to facilitate experience sharing and deep collaboration among APEC economies in key areas such as marine resource management, ecological protection technology application, and community participation models [2]. - The release of the guidelines represents an important step in implementing the concept of a shared marine destiny within the APEC framework, with plans for continued collaboration with international partners to contribute to global ecological governance [2].