[1]王飞,叶冬梅,臧传富,等. 大兴安岭不同龄组兴安落叶松林乔木层生物量分配[J].西北林学院学报,2017,32(5):23-28.[doi:10.3969/j.issn.1001-7461.2017.05.05]
　WANG Fei,YE Dong-mei,ZANG Chuan-fu,et al. Tree Biomass Distribution of Larix gmelinii in Daxing’ anling Mountains of Inner Mongolia[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2017,32(5):23-28.[doi:10.3969/j.issn.1001-7461.2017.05.05]
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 大兴安岭不同龄组兴安落叶松林乔木层生物量分配()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第32卷
期数:
2017年第5期
页码:
23-28
栏目:
出版日期:
2017-09-30

文章信息/Info

Title:
 Tree Biomass Distribution of Larix gmelinii in Daxing’ anling Mountains of Inner Mongolia
文章编号:
1001-7461(2017)05-0023-06
作者:
 王飞; 叶冬梅; 臧传富; 张秋良*
 (内蒙古农业大学 林学院，内蒙古 呼和浩特 010019)
Author(s):
 WANG Fei; YE Dong-mei; ZANG Chuan-fu; ZHANG Qiu-liang*
 (Forestry College,Inner Mongolia Agricultural University,Hohhot,Inner Mongolia 010019,China)
关键词:
 ; 大兴安岭; 兴安落叶松; 乔木层生物量; 器官分配
Keywords:
 ; Daxinganling Mountains;  Larix gmelinii;  tree biomass;  organ distribution
分类号:
S791.220.1
DOI:
10.3969/j.issn.1001-7461.2017.05.05
文献标志码:
A
摘要:
 以内蒙古大兴安岭兴安落叶松天然林(Larix gmelinii)为研究对象，通过对幼龄林、中龄林、近熟林和成熟林的调查，采用异速生长方法，对兴安落叶松乔木层生物量器官分配特征及随龄组的变化规律进行分析。结果表明，杜香-兴安落叶松从幼龄至成熟林，乔木层生物量为98.63~249.46 t/hm2，地上和地下生物量分别占83.30%~88.40%和12.60%~16.70%。总生物量及地上生物量随年龄增加而增大，根冠比则呈降低的趋势。兴安落叶松天然林各器官生物量积累因龄组而异，乔木生物量的主体为树干，占总生物量的58.26%~68.78%，其次是根（11.38%~16.12%），叶生物量最小（1.01%~2.21%），随龄组的增加，树干生物量比例呈单峰曲线，地上生物量比例增加，树根、树枝、树皮和树叶生物量比例则呈“U”型曲线，在近熟林最低。如果采用本地的参数并按年龄进行详尽的调查和统计，得到的兴安落叶松林生物量和生产力的估算将更可靠。
Abstract:
 Taking the natural Larix gmelinii forests occurring in Daxinganling Mountains in Inner Mongolia as the research objects,this paper analyzed the tree layer biomass distribution characteristics and the variations among different age groups based on the investigations on the young,middle-aged,nearly mature and mature forests.The results showed that the tree layer biomass of Ledum palustre-L.gmelinii forests from young to mature ranged from 98.63-249.46 t/hm2,the ground and underground biomass accounted for 83.30%-88.40% and 12.60%-16.70%,respectively.Total biomass and ground biomass increased with forest age,but the root to crown ratio decreased with age.The biomass of different tree positions was different among different age groups.Tree trunk was the main body of tree biomass,which accounted 58.26%-68.78% of the total,followed by root（11.38%-16.12%),and leaf (1.01%-2.21%).The biomass percentage of tree trunk in total biomass presented a unimodal curve with the increase of the forest age,and the percentage of ground biomass increased with forest age.The percentages of root,branch,bark and leaf presented a “U-shaped” curve,lowest for the mature forest.It would be more reliable to estimate the biomass and productivity if the relative parameters of the local forest were adopted.

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备注/Memo

备注/Memo:
 收稿日期：2016-10-21修回日期：2017-04-10
基金项目：国家科技重点研发计划项目(2017YFC0504100)；内蒙古自治区博士基金（2014BS0318）。
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，博士生导师，研究方向：森林生态学。E-mail:zqlemai@vip.sina.com
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