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Interprovincial food trade aggravates China's land scarcity

Environmental Studies and Forestry

Interprovincial food trade aggravates China's land scarcity

J. He, S. Wang, et al.

This groundbreaking research investigates interprovincial food trade in China and its surprising effects on land scarcity, unveiling that importing provinces benefit while exporting provinces face greater challenges. Conducted by Jianjian He, Siqi Wang, Reinout Heijungs, Yi Yang, Shumiao Shu, Weiwen Zhang, Anqi Xu, and Kai Fang, this study introduces crucial concepts for better land management and governance.

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Playback language: English
Abstract
This paper investigates the impact of interprovincial food trade on China's land scarcity using a multi-regional input-output (MRIO) analysis integrated with high-resolution cropland data. The study introduces a scarce land footprint (SLF) to account for land scarcity and identifies hotspots of land footprint and scarce land footprint at a 1 km × 1 km resolution. Results reveal that while virtual land trade mitigates land scarcity in importing provinces, it significantly aggravates scarcity in exporting provinces. This challenges conventional thinking about food trade and necessitates new policies for improved land resource management and collaborative governance.
Publisher
Humanities and Social Sciences Communications
Published On
Jan 08, 2024
Authors
Jianjian He, Siqi Wang, Reinout Heijungs, Yi Yang, Shumiao Shu, Weiwen Zhang, Anqi Xu, Kai Fang
Tags
interprovincial food trade
land scarcity
multi-regional input-output analysis
scarce land footprint
land resource management

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