[1]马正锐,程积民*,侯庆春,等.六盘山华北落叶松和油松林典型林地生长及固碳速率研究[J].西北林学院学报,2014,29(01):8-14.[doi:10.3969/j.issn.1001-7461.2014.01.02]
 MA Zheng-rui,CHENG Ji-min*,HOU Qing-chun,et al.Growth Rhythms and Carbon Sequestration Rates of Larix principis-rupprechtii and Pinus tabulaeformis Forests in Liupan Mountains[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2014,29(01):8-14.[doi:10.3969/j.issn.1001-7461.2014.01.02]
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六盘山华北落叶松和油松林典型林地生长及固碳速率研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第29卷
期数:
2014年01期
页码:
8-14
栏目:
森林生物学
出版日期:
2014-01-21

文章信息/Info

Title:
Growth Rhythms and Carbon Sequestration Rates of Larix principis-rupprechtii and Pinus tabulaeformis Forests in Liupan Mountains
文章编号:
1001-7461(2014)01-0008-07
作者:
马正锐12 程积民1*侯庆春1韩彩萍3殷小慧3
1.中国科学院 水土保持与生态环境研究中心,陕西 杨陵 712100;
2.中国科学院 研究生院,北京 100049;
3.宁夏固原市六盘山林业局,宁夏 固原 756401
Author(s):
MA Zheng-rui12 CHENG Ji-min1*HOU Qing-chun1HAN Cai-ping3YIN Xiao-hui3
1.Institute of Soil&Water Conservation and Eco-Environment,Chinese Academy of Sciences,Yangling,Shaanxi 712100,China;
2.Graduate University of Chinese Academy of Science,Beijing 100049,China;
3.Liupanshan Forestry Bureau of Ningxia,Guyuan,Ningxia 756401,China
关键词:
华北落叶松 油松 生长过程 固碳速率 六盘山
Keywords:
Larix principis-rupprechtii Pinus tabulaeformis growth rhythm carbon sequestration rate Liupan Mountains
分类号:
S718.52
DOI:
10.3969/j.issn.1001-7461.2014.01.02
文献标志码:
A
摘要:
采用树干解析法对六盘山华北落叶松(29 a)和油松(30 a)典型人工林的生长过程进行了研究,并利用树皮系数还原平均木各树龄的带皮胸径,根据生物量方程求得2个树种的净生产力,再结合各器官含碳量,得出林地的固碳速率。结果表明,华北落叶松与油松胸径优势木、平均木和劣势木的连年生长量趋势基本一致,二者胸径生长量分别在12 a和10 a后开始下降,在此期间可适当进行抚育间伐。2种林分均未进入成熟期,预计成熟年龄前者在30 a以后,而后者35 a左右。华北落叶松和油松人工林总固碳量分别是34.28 t·hm-2和59.56 t·hm-2。华北落叶松林整个生长阶段平均碳累积速率为1.18 t·hm-2·a-1,12 a后固碳速率比较稳定,平均为1.64 t·hm-2·a-1; 而油松林整个生长阶段平均碳累积速率为1.98 t·hm-2·a-1,16 a以后,碳累积量快速增加,平均为3.55 t·hm-2·a-1
Abstract:
With the method of stem analysis,the growth characters of Larix principis-rupprechtii and Pinus tabulaeformis plantations in Liupan Mountains,Ningxia were studied.The diameter at breast height(DBH)with bark of the two conifers were reconstructed on the basis of bark coefficient,then the primary productivity and carbon sequestration rates were obtained according to biomass equations which existed or newly-established.As indicated by the analysis that the annual DBH increments of the dominant,average and suppressed trees showed a consistent trend within the two conifers.Their growth began to decline at the 12th and 10th year when intermediate thinning would be taken.These two forest stands were not in their maturation period and,we predicted that the mature age of L.principis-rupprechtii was 30 a and P.tabulaeformis was 35 a.The amounts of carbon fixation of L.principis-rupprechtii and P.tabulaeformis forests were 34.28 t and 59.56 t per hectare,respectively.The carbon sequestration rate of L.principis-rupprechtii was1.18 t·hm-2·a-1,and from the 12th year,the rate kept a stable level of 1.64 t·hm-2·a-1.But to the P.tabulaeformis forest,the average rate was 1.98 t·hm-2·a-1 and the accumulation of carbon increased rapidly(3.55 t·hm-2·a-1)from the 16th year.

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备注/Memo

备注/Memo:
收稿日期:2013-04-21 修回日期:2013-07-08
基金项目:中国科学院战略性先导科技专项“应对气候变化的碳收支认证及相关问题”(XDA05050202); 国家自然科学基金重点项目—气候变化背景下黄土高原土地利用影响径流的空间尺度效应(41230852)。
作者简介:马正锐,男,硕士研究生,研究方向:恢复生态学。E-mail:ahnu_mzr1988@163.com
*通信作者:程积民,男,博士生导师,教授,研究方向:草地生态学和恢复生态学。E-mail:gyzcjm@ms.iswc.ac.cn
更新日期/Last Update: 2014-01-20