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June 23, 2026Grassland Research0 citationsOpen Access

How much grassland do we need?

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JHJin He

Key Points

  • The aim is to highlight the importance of grasslands and the need for increased conservation efforts and policies in China.
  • Analysis of global grassland and forest relationships in relation to land areas.
  • Estimation of the required increase in planted grassland coverage for China to meet conservation targets.
  • Advocacy for science-based policies to protect and restore grassland ecosystems.
  • Grasslands outperform forests in soil carbon sequestration and drought resilience, indicating their vital role in climate stability.
  • China needs to increase its planted grassland area by 93,400 km² to reach 3.55% of total grassland coverage.
  • Calls for stronger policies that prioritize both grasslands and forests in conservation efforts.

Abstract

Abstract The United Nations has designated 2026 as the International Year of Rangelands and Pastoralists, drawing attention to the importance of grasslands and the communities that rely on them. Rangelands cover 54% of Earth's land surface, including grasslands, savannas, shrublands, deserts, and tundra; yet, grasslands remain chronically undervalued, leading to degradation and fragmentation. Grasslands are critical ecosystems that complement forests. While forests excel in above‐ground carbon storage, grasslands outperform them in soil carbon sequestration, water retention, and drought resilience. Both deserve equal priority in conservation efforts. Global data reveal clear allometric relationships between grassland, forest, and national land areas. Notably, China, despite leading the world in planted forest area, has a critically low planted grassland coverage of just 0.22%, far below the expected level. From these allometric relationships, it is suggested that China would require an additional 93 400 km 2 of planted grassland to achieve a target of 3.55% of the total grassland area. In this milestone year, we advocate for the creation of stronger, science‐based policies aimed at protecting and restoring global grassland ecosystems. Importantly, for China, this encompasses the scientifically informed expansion of high‐quality planted grassland to fulfill aspirations for aesthetic optimization of humanity's living space.

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Cite This Study

Jin He (2026) studied this question.

synapsesocial.com/papers/6a3a21c7111626ef22ab6734https://doi.org/10.1002/glr2.70058
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