The Dynamic Changes of Carbon Storage and Carbon Sink of Forest Resources in Shanxi Province
The model method was used to study the carbon storage and carbon sink changes of forest resources in Shanxi Province with 7 forest resource inventory data from 1984 to 2015 as the object.The results showed that from 1984 to 2015,the forest coverage rate in Shanxi Province increased by 14.20％and the forest volume increased by 9 172.88 × 104 m3.The fitting curve of forest coverage was linear,and the fitting equation was y=0.453 x-892.820.The fitting curve of for-est volume was a binomial distribution,and the fitting equation was y=0.000 9x2-3.487 5x+3 459.6000.The unit area storage volume of forest resources in Shanxi Province was 30.05 m3/hm2～40.25 m3/hm2,which was much lower than the national average level and had significant growth potential.The carbon storage of forest resources was 4 343.79 x 104 t～14 970.80 × 104 t.The carbon density was 14.28 t/hm2～19.12 t/hm2,and the carbon sink was 128.82 × 104 t/a～737.56 × 104 t/a.The fitting curve of forest resource carbon storage was a binomial distribution,and the fitting equation was y=0.001x2-4.040x+4 008.000.
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