洪雅退耕还林地苦竹生物量与碳储量研究

郭小军; 赖元长; 先开炳

doi:10.16779/j.cnki.1003-5508.2013.01.003

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洪雅退耕还林地苦竹生物量与碳储量研究

郭小军 , 赖元长 , 先开炳

文章导航 > 四川林业科技 > 2013 > 34(1): 11-16

郭小军, 赖元长, 先开炳. 洪雅退耕还林地苦竹生物量与碳储量研究[J]. 四川林业科技, 2013, 34(1): 11-16. doi: 10.16779/j.cnki.1003-5508.2013.01.003

引用本文:

郭小军, 赖元长, 先开炳. 洪雅退耕还林地苦竹生物量与碳储量研究[J]. 四川林业科技, 2013, 34(1): 11-16. doi: 10.16779/j.cnki.1003-5508.2013.01.003

GUO Xiao-jun, LAI Yuan-chang, XIAN Kai-bing. Biomass and Carbon Storage of Pleioblastus amarus on the Defarming-and-reafforestation Land in Hongya County[J]. Journal of Sichuan Forestry Science and Technology, 2013, 34(1): 11-16. doi: 10.16779/j.cnki.1003-5508.2013.01.003

Citation:

GUO Xiao-jun, LAI Yuan-chang, XIAN Kai-bing. Biomass and Carbon Storage of Pleioblastus amarus on the Defarming-and-reafforestation Land in Hongya County[J]. Journal of Sichuan Forestry Science and Technology, 2013, 34(1): 11-16. doi: 10.16779/j.cnki.1003-5508.2013.01.003

洪雅退耕还林地苦竹生物量与碳储量研究

doi: 10.16779/j.cnki.1003-5508.2013.01.003

详细信息

四川省林业科学技术推广总站，四川成都 610081;四川省林业调查规划院，四川成都 610081

作者简介:
郭小军(1981-),男,硕士,工程师,主要从事林业技术工作。

中图分类号: S757.2⁺9

Biomass and Carbon Storage of Pleioblastus amarus on the Defarming-and-reafforestation Land in Hongya County

More Information

Sichuan Province Forestry Science and Technology Promotion Station, Chengdu 610081, China;Sichuan Forest Inventory and Plan Institute Planning, Chengdu 610081, China

摘要: 采用多元线性回归和一元曲线方式拟合苦竹形态因子、苦竹器官生物量与单株生物量模型,进而对洪雅县华西雨屏区退耕还林地苦竹生物量、碳储量进行了研究。结果表明:(2)研究区苦竹平均高为7.50 m,平均胸径为3.48 cm,平均生物量为2.09 kg·株^-1,总生物量为90.02 t·hm^-2;(2)在相关性分析基础上,以复相关系数和判定系数为标准,筛选出器官生物量-形态因子最佳模型为Y=-1.245+0.135D+0.147H+0.236 d;总生物量-形态因子最佳模型为Y=e^{(2. 200-5. 085/D)};总生物量-器官生物量最佳模型为Y=0.109+1.069x₁+2.526x₂+1.059x₃;⑶苦竹各器官碳含量在0.4217 g·g^-1~0.5511 g·g^-1范围内,碳含量从高到低依次为:鞭 > 杆 > 蔸 > 根 > 枝 > 叶。⑷以实测碳含量计算得苦竹碳储量为44.55 t·hm^-2,以0.45 g·g^-1或0.5 g·g^-1计算所得碳储量与实测碳储量均存在一定误差,误差最大可达16.63%。
- 苦竹;
- 生物量;
- 碳储量;
- 退耕还林地;
- 洪雅县
Abstract: In this paper, researches were conducted on the biomass and carbon storage of Pleioblastus amarus on the defarming-and-reafforestation land in Yuping District of Hongya County by adopting the multiple linear regression and curves models of shape factors, organs' biomass and total biomass. The results showed that (1) The Pleioblastus amarus' average height was 7.50 m, the average DBH (diameter at breast height) was 3.48 cm, the average biomass of modular unit was 2.09kg and the stand crop was 90.02 t·hm^-2; (2) By the standard of R and adjusted R square, the best model was chosen on the basis of the correlation analysis. The best model of organs' biomass-shape factors was Y=-1.245 + 0.135D + 0.147H + 0.236 d; The best model of total biomass-shape factors was Y=e^{(2.200-5.085/D)}; The best model of total biomass-organs' biomass was Y=0.109 + 1.069x₁ + 2.526x₂ + 1.059x₃; (3) The carbon content of different organs of Pleioblastus amarus ranged from 0.421 7 g·g^-1 to 0.551 1 g·g^-1, and its order was as follows:rhizome > culm > underground trunk > root > branch > leaf. (4) The carbon stock was 44.55 t·hm^-2 according to the measured value of carbon constant. When 0.45 g·g^-1 or 0.5 g·g^-1, were used for calculation, some error would appear, its maximum error could reach 16.63%.
- Pleioblastus amarus;
- Biomass;
- Carbon storage;
- Defarming-and-reafforestation land;
- Hongya County

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洪雅退耕还林地苦竹生物量与碳储量研究

doi: 10.16779/j.cnki.1003-5508.2013.01.003

四川省林业科学技术推广总站，四川成都 610081;四川省林业调查规划院，四川成都 610081

作者简介:
郭小军(1981-),男,硕士,工程师,主要从事林业技术工作。

收稿日期: 2012-08-13

中图分类号: S757.2⁺9

关键词:

摘要: 采用多元线性回归和一元曲线方式拟合苦竹形态因子、苦竹器官生物量与单株生物量模型,进而对洪雅县华西雨屏区退耕还林地苦竹生物量、碳储量进行了研究。结果表明:(2)研究区苦竹平均高为7.50 m,平均胸径为3.48 cm,平均生物量为2.09 kg·株^-1,总生物量为90.02 t·hm^-2;(2)在相关性分析基础上,以复相关系数和判定系数为标准,筛选出器官生物量-形态因子最佳模型为Y=-1.245+0.135D+0.147H+0.236 d;总生物量-形态因子最佳模型为Y=e^{(2. 200-5. 085/D)};总生物量-器官生物量最佳模型为Y=0.109+1.069x₁+2.526x₂+1.059x₃;⑶苦竹各器官碳含量在0.4217 g·g^-1~0.5511 g·g^-1范围内,碳含量从高到低依次为:鞭 > 杆 > 蔸 > 根 > 枝 > 叶。⑷以实测碳含量计算得苦竹碳储量为44.55 t·hm^-2,以0.45 g·g^-1或0.5 g·g^-1计算所得碳储量与实测碳储量均存在一定误差,误差最大可达16.63%。

English Abstract

Biomass and Carbon Storage of Pleioblastus amarus on the Defarming-and-reafforestation Land in Hongya County

Sichuan Province Forestry Science and Technology Promotion Station, Chengdu 610081, China;Sichuan Forest Inventory and Plan Institute Planning, Chengdu 610081, China

Received Date: 2012-08-13

Keywords:

Abstract: In this paper, researches were conducted on the biomass and carbon storage of Pleioblastus amarus on the defarming-and-reafforestation land in Yuping District of Hongya County by adopting the multiple linear regression and curves models of shape factors, organs' biomass and total biomass. The results showed that (1) The Pleioblastus amarus' average height was 7.50 m, the average DBH (diameter at breast height) was 3.48 cm, the average biomass of modular unit was 2.09kg and the stand crop was 90.02 t·hm^-2; (2) By the standard of R and adjusted R square, the best model was chosen on the basis of the correlation analysis. The best model of organs' biomass-shape factors was Y=-1.245 + 0.135D + 0.147H + 0.236 d; The best model of total biomass-shape factors was Y=e^{(2.200-5.085/D)}; The best model of total biomass-organs' biomass was Y=0.109 + 1.069x₁ + 2.526x₂ + 1.059x₃; (3) The carbon content of different organs of Pleioblastus amarus ranged from 0.421 7 g·g^-1 to 0.551 1 g·g^-1, and its order was as follows:rhizome > culm > underground trunk > root > branch > leaf. (4) The carbon stock was 44.55 t·hm^-2 according to the measured value of carbon constant. When 0.45 g·g^-1 or 0.5 g·g^-1, were used for calculation, some error would appear, its maximum error could reach 16.63%.