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《农业科学与工程前沿(英文)》 >> 2017年 第4卷 第2期 doi: 10.15302/J-FASE-2017144

Carbon payments in the Guanzhong–Tianshui region to control land degradation

. Institute of Water Saving Agriculture in Arid Areas of China, Northwest A&F University, Yangling 712100, China.. National Engineering Laboratory for Crop Water Efficient Use, Yangling 712100, China

录用日期: 2017-05-11 发布日期: 2017-06-07

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摘要

Carbon trading and carbon offset markets are potential policy options for mitigating greenhouse gas emissions and climate change. A price on carbon is expected to generate demand for carbon offsets. In a market-based framework, the carbon price should be high enough to compensate for opportunity costs. We studied a highly-modified agricultural system in the Guanzhong–Tianshui economic region of China that is typical of many temperate agricultural zones in western China. We quantified the economic returns from agriculture and from carbon plantings (both monoculture and ecological plantings) under five carbon-price scenarios. The mean carbon sequestration is 34 Mg·hm ·a , and the average annual payment increased to 1146 CNY·hm at a medium carbon price of 50 CNY·Mg CO . Thus, areas of high priority for conservation and restoration may be restored relatively cheaply in the presence of a carbon market. Overall, however, less carbon is sequestered by ecological plantings (i.e., mixed native trees and shrubs) compared to agriculture.

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