Core Viewpoint - The articles emphasize the importance of a comprehensive land management approach, advocating for the protection and rational use of various types of land, including arable land, forests, grasslands, wetlands, and deserts, to ensure food security and sustainable development [1][2]. Group 1: Land Protection and Utilization - The concept of a "big land view" is introduced, highlighting the need to prioritize arable land protection as a strategic focus for national food security and sustainable development [1]. - The relationship between arable land protection and ecological construction is crucial, suggesting a balance between food security and ecological safety, particularly in regions like Northeast China's black soil area [1]. - The articles advocate for a shift from merely protecting arable land to integrating it as part of a broader land system, recognizing its overlap with ecological land types [1]. Group 2: Ecological Awareness and Diversity - The "big land view" is linked to a "big food view," emphasizing the need to utilize diverse land types to meet the growing and varied food demands of the population [2]. - Each type of land has unique ecological functions, and respecting these differences is essential for effective ecosystem protection and restoration [2]. - The articles promote a governance approach that aligns land use with its natural characteristics, advocating for minimal human interference to allow natural ecosystems to thrive [2].

Core Viewpoint - The article emphasizes the importance of a comprehensive and systematic approach to land management in China, highlighting the need for ecological protection, food security, and sustainable development as interconnected goals [3][4][5]. Group 1: Land Protection and Food Security - The significance of arable land is underscored, with the assertion that China uses 9% of the world's arable land to feed nearly 20% of the global population, necessitating strict protection measures [3][4]. - The concept of "land as a bowl of rice" is reiterated, stressing that food security is directly linked to the protection of arable land, which is a strategic priority [4][5]. Group 2: Systematic Land Management - The article discusses the need for a holistic view of land resources, integrating various types of land such as forests, grasslands, wetlands, and deserts into a unified management strategy [5][6]. - It highlights the necessity of balancing development and ecological preservation, with specific attention to the unique ecological functions of different land types [6][7]. Group 3: Policy and Governance - The article mentions the importance of enforcing regulations and responsibilities at all levels of government to ensure effective land management and protection [4][5]. - It calls for a strategic approach to land use that considers population demands and ecological sustainability, advocating for careful planning and resource allocation [7].