秦岭山地森林固碳释氧价值评估

Evaluation of Carbon Sequestration and Oxygen Release Value of Forest in Qinling Mountains

摘要: 本文依据光合作用方程式，基于2000~2023年的NPP数据，测算了秦岭山地植被的固碳释氧物质量。并以此为基础，采用造林成本法和工业制氧法测算了秦岭山地植被的固碳释氧的经济价值。结果表明：(1) 近24年来秦岭山地植被年均固碳物质量为1.82 × 10⁷ t，年均释氧物质量为4.96 × 10⁷ t，年均固碳释氧总量为6.78 × 10⁷ t；(2) 秦岭山地年均固碳价值量为239.98亿元，年均释氧价值量为174.11亿元，年均固碳释氧总价值量为414.09亿元。(3) 秦岭山地植被单位面积固碳释氧价值为67627.82元/hm²和55975.61元/hm²，单位面积年均固碳释氧总和为306886.3元/hm²。

Abstract: Based on the photosynthesis equation and NPP data from 2000 to 2023, this article calculates the amount of carbon sequestration and oxygen release from vegetation in the Qinling Mountains. Furthermore, using this as a foundation, the economic value of carbon sequestration and oxygen release from vegetation in the Qinling Mountains is estimated through the afforestation cost method and industrial oxygen production method. The results indicate that: (1) Over the past 24 years, the average annual carbon sequestration mass from vegetation in the Qinling Mountains is 1.82 × 10⁷ tons, the average annual oxygen release mass is 4.96 × 10⁷ tons, and the total annual carbon sequestration and oxygen release is 6.78 × 10⁷ tons; (2) The average annual carbon sequestration value in the Qinling Mountains is 23.998 billion yuan, the average annual oxygen release value is 17.411 billion yuan, and the total annual carbon sequestration and oxygen release value is 41.409 billion yuan. (3) The carbon sequestration and oxygen release values per unit area of vegetation in the Qinling Mountains are 67627.82 yuan/hm² and 55,975.61 yuan/hm², respectively, with a total annual carbon sequestration and oxygen release value per unit area of 306886.3 yuan/hm².