[1]王飞,叶冬梅,刘怀鹏,等. 兴安落叶松林不同生长阶段林下植被生物量分配[J].西北林学院学报,2016,31(6):30-33.[doi:10.3969/j.issn.1001-7461.2016.06.06]
　WANG Fei,YE Dong-mei,LIU Huai-peng,et al. Understory Vegetation Biomass Allocation Features of Larix gmelinii in Different Growth Stages[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2016,31(6):30-33.[doi:10.3969/j.issn.1001-7461.2016.06.06]
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 兴安落叶松林不同生长阶段林下植被生物量分配()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第31卷
期数:
2016年第6期
页码:
30-33
栏目:
出版日期:
2016-11-30

文章信息/Info

Title:
 Understory Vegetation Biomass Allocation Features of Larix gmelinii in Different Growth Stages
文章编号:
1001-7461(2016)06-0030-04
作者:
 王飞; 叶冬梅; 刘怀鹏; 张秋良*
 （内蒙古农业大学 林学院，内蒙古 呼和浩特 010018）
Author(s):
 WANG Fei; YE Dong-mei; LIU Huai-peng; ZHANG Qiu-liang*
 (Forestry College,Inner Mongolia Agricultural University,Hohhot，Inner Momgolia 010019,China)
关键词:
 ; 兴安落叶松林; 林龄; 林下植被; 生物量
Keywords:
Larix gmelinii forest;  stand age;  understory vegetation;  biomass
分类号:
S791.222
DOI:
10.3969/j.issn.1001-7461.2016.06.06
文献标志码:
A
摘要:
 在内蒙古大兴安岭地区，以杜香—兴安落叶松林为研究对象，通过计算不同龄组林下植被各层次及各器官生物量分配，为准确估算森林的固碳能力提供依据。结果表明：杜香—兴安落叶松林从幼龄林到成熟林，林下植被生物量变化范围为19.80~43.96 t·hm-2，其中，枯落物层（69.64%~92.98%）>灌木层（5.01%~20.82%）>草本层（1.46%~9.54%）>苔藓层（0~1.15%）。林分年龄影响着林下植被各层次生物量及其比例，随龄组增加，枯落物量逐渐增加，灌木层生物量呈“U”型；草本层生物量所占比例呈降低趋势。相关分析表明，灌木层生物量与乔木层生物量及林分郁闭度呈负相关关系,凋落物现存量与乔木层和植被总生物量呈极显著正相关。
Abstract:
 Taking the Larix gmelinii growing in Daxinganling mountaineous area in Inner Mongolia region as the research object,biomasses of different vegetation layers and organs of understory vegetation in different age groups were calculated and compared to provide basis for accurate estimation of forest carbon sequestration.It was found that the vegetation biomasses ranged from 19.80 to 43.96 t·hm-2 from young forest to mature forest.The proportions of all layers were in the order of litter layer (69.64%-92.98%) > shrub layer (5.01%-20.82%) > herbaceous layer (1.46%-9.54%) > moss layer (0-1.15%).Forest stand ages had different influences on all layers and the proportion of the organs in understory vegetation.With the increase of ages,litter quantity increased gradually,leave,stems,roots and total biomass of shrub layer showed a U-shaped trend,and the proportion of herb layer biomass decreased.Correlation analysis showed that the arbor layer biomass and forest crown density exhibited a negative correlation with understory vegetation biomass; litter standing crop was significantly and positively correlated with tree layer and total vegetation biomass.

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备注/Memo

备注/Memo:
 收稿日期：2015-05-04修回日期：2016-03-25
基金项目：内蒙古自治区博士基金（2014BS0318）；国家自然科学重大项目子专题（31290221）。
作者简介：王飞，女，副教授，研究方向：森林生态及可持续经营。E-mail:wangfeinihao2003@aliyun.com
*通信作者：张秋良，男，教授，研究方向：森林可持续经营理论与技术。E-mail:zqlemai@vip.sina.com
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