CITYgreen模型在人工林碳储量核算中的应用研究

Application of CITYgreen model on carbon storage calculation of plantations

CITYgreen碳储量模型在国内虽然已有一些应用,但对其准确性一直缺乏验证。本研究选择中国科学院鹤山站40块10×10m人工林样地,分别通过CITYgreen模型模拟和生物量转换方法对其碳储量进行计算。并以准确度较高的生物量转换方法对CITYgreen模拟值进行验证。结果显示,CITYgreen较准确地计算出人工林的碳储量值,与生物量转换计算方法间并无显著差异(P>0.05)。这说明CITYgreen模型不仅对城市森林,而且对各类人工林碳储量核算都具有重要的推广和应用价值。此外,文章还详细介绍了运用CITYgreen模型核算人工林碳储量的步骤和方法。

Although carbon storage model of CITYgreen has been applied widely in China, there are still lack of valiation on this model. In our study, we selected 40 plots of planations （10 × 10m） on The Open Experimental Station for Comprehensive Exploitation of Hilly Lands at Heshan of the Chinese Academy of Sciences, and calculated carbon storage of each plot by CITYgreen model and biomass conversion. Then, we use carbon storage data from biomass conversion method to validate the results of CITYgreen model. The results showed that carbon storage model of CITYgreen can well stimulate carbon storage of planted forest, and there doesn＇t exist significant difference between CITYgreen model and biomass conversion methods （P 〉 0.05）. This study show that CITYgreen model not only can be used to calculate carbon storage of city plantation, but also can be used to calculate Carbon Storage of all kinds of plantations in China. Moreover, the procedure and methods of plantation carbon storage calculation were introduced.