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假定安徽地区为封闭系统，用大气中ＣＯ２源汇理论，估算森林固定ＣＯ２的效益及安徽地区大气中ＣＯ２的增量，结果表明：安徽地区以各种途径释放到大气中ＣＯ２总量为１８．４２５×１０７ｔ，其中森林、农作物、荒山、水体的吸收率分别为４０．３２％，４７．６４％，５．９９％，５．２５％。滞留量为０．１５３２×１０７ｔ，ＣＯ２浓度的年增量为０．７８μｇ·ｇ－１，低于世界年平均增量（１．０～１．２μｇ·ｇ－１），若ＣＯ２释放量不变，全省只要在原有森林覆盖率的基础上，营造阔叶林６．９７×１０４ｈｍ２或针叶林９．０３×１０４ｈｍ２，就能使大气中碳氧循环达到平衡
Assuming that the Anhui area is a closed system, the theory of CO2 source and sink in the atmosphere is used to estimate the benefits of fixed forest CO2 and the increase of CO2 in the atmosphere in Anhui Province. The results show that the total amount of CO2 released to the atmosphere by various means in Anhui Province is 18. 425 × 107t. Among them, the absorptivity of forest, crop, barren hills and water bodies are 40.32%, 47.64%, 5.99% and 5.25% respectively. The amount of retained CO2 was 0.1532 × 107t, and the annual increment of CO2 concentration was 0.78μg · g-1, which was lower than the world’s average annual increment (1.0-1.2μg · g-1) Change, the province as long as the original forest coverage, based on the construction of broad-leaved forest 6.97 × 104hm2 or coniferous forest 9.03 × 104hm2, will be able to make the atmosphere in the balance of carbon and oxygen cycle