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本文通过四川通江县黑荆树现实林分调查,配合数学模型,分析研究黑荆树林分的不同密度,测定17年生黑荆树林分平均生物量为480.6 T/ha,产皮48 T/ha产皮率10%;平均净初级生产力28,271kg/y·ha;随着密度增加林分生物量亦相应增大.再对黑荆树皮深加工,每公顷可收现金共129,420元.建立的理论预测模型精度高,相关系数0.8229～0.9999.对黑荆树广泛栽培发展,建立栲胶原料基地有积极指导意义.
In this paper, through the investigation of the realistic stands of Acacia crambus in Tongjiang County, Sichuan Province, with the mathematical model, the different density of Acacia mangium stands was analyzed. The average biomass of 17-year-old Acacia mangium stands was 480.6 T / ha, The average net primary productivity was 28,271kg / y ha. With the increase of density, the stand biomass increased correspondingly, and then, the cashmere per hectare was 129,420 yuan for the deep processing of the black bark bark. The established theory The prediction model has high precision with a correlation coefficient of 0.8229 ~ 0.9999, which has a positive guiding significance for the cultivation and development of the black wattle tree and the establishment of the base material of the canthaxantum gum.