南京林业大学学报(自然科学版) ›› 2013, Vol. 37 ›› Issue (05): 49-54.doi: 10.3969/j.issn.1000-2006.2013.05.010

• 研究论文 • 上一篇    下一篇

毛竹林混交经营对土壤活性有机碳库和 碳库管理指数的影响

杜满义1,范少辉1*,刘广路1,漆良华1,唐晓鹿1,肖复明2   

  1. 1.国际竹藤中心,国家林业局竹藤科学与技术重点实验室,北京100102;
    2.江西省林业科学院,江西南昌330032
  • 出版日期:2013-10-18 发布日期:2013-10-18
  • 基金资助:
    收稿日期:2013-02-20修回日期:2013-04-18 基金项目:“十二五”国家科技支撑计划(2012BAD23B04);国家林业公益性行业科研专项项目(201104008);国际竹 藤中心基本科研业务专项(1632010005);江西省财政林业重大专项(2011511101);江西省主要学科学术和技术带头人 培养计划(20113BCB22003) 第一作者:杜满义,博士生。 *通信作者:范少辉,研究员。Email:fansh@icbr.ac.cn。 引文格式:杜满义,范少辉,刘广路,等. 毛竹林混交经营对土壤活性有机碳库和碳库管理指数的影响[J]. 南京林业大学学报: 自然科学版,2013,37(5):49-54.

Effect of mixed operating in Moso bamboo(Phyllostachys edulis) forest on soil labile carbon pool and carbon management index

DU Manyi1, FAN Shaohui1*, LIU Guanglu1, QI Lianghua1, TANG Xiaolu1, XIAO Fuming2   

  1. 1.International Centre for Bamboo and Rattan,Key Laboratory of Bamboo and Rattan, State Forestry Administration, Beijing 100102, China;
    2.Jiangxi Academy of Forestry, Nanchang 330032,China
  • Online:2013-10-18 Published:2013-10-18

摘要: 以江西省安福县毛竹纯林、竹阔混交林、竹杉混交林为对象,研究了不同混交经营模式对毛竹林土壤活性有机碳库和 碳库管理指数的影响。结果表明:(1)不同林型土壤活性有机碳库大小顺序为毛竹纯林(1456 t/hm2)>竹杉混交林(12 33 t/hm2)>竹阔混交林(1042 t/hm2),并且达到显著性差异。(2)混交经营后土壤总有机碳含量(cT)、活性有机碳含 量(cL)、稳定态碳含量(cNL)、碳库指数(CPI)均有不同程度降低,竹杉混交林土壤碳库活度(L)、碳库活度指数 (LI)值最大,竹阔混交林氧化稳定系数(kOS)值最大。以毛竹纯林作为参考计算不同混交经营模式下土壤碳库管理指数 (CMI)值:竹杉混交林(10696)>毛竹纯林(10000)>竹阔混交林(7106)。(3)在此次研究中竹杉混交经营模式对土 壤具有培肥作用,处于良性管理状态,有利于林木的生长发育。

Abstract: To estimate the effect of different mixed forest patterns on soil labile organic matter pool and carbon management index (CMI), this research was conducted in Phyllostachys edulis pure forest (PE), Ph.edulis and broadleaved tree mixed forest (PBM), Ph.edulis and Cunninghamia lanceolata mixed forest (PCM) in Anfu county, Jiangxi province. The result showed that:(1) Soil labile organic matter pool was in order of PE (14.56 t/hm2)>PCM (12.33 t/hm2)>PBM (10.42 t/hm2), and the difference was significant. (2) Total organic carbon(cT), labile organic carbon(cL), nolabile organic carbon(cNL), carbon pool index(CPI) decreased after mixed operating, values of lability of carbon(L) and labile index(LI) were the highest in PCM, while value of coefficient of oxidation stability(kOS) was the highest in PBM. Taking CMI of PE as reference, CMI value among the different bamboo and Cunninghamia lanceolata mixed patterns was in order of PCM (10696)>PE (10000)>PBM (71.06). (3) In this research, pattern of PCM was functioned as improving soil fertility and was in good management situation, which would be good for forest growth.

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