[1]纪文婧,程小琴,韩海荣*,等. 华北落叶松人工林营养元素空间分布特征[J].西北林学院学报,2016,31(4):19-25.[doi:doi:10.3969/j.issn.1001-7461.2016.04.04]
　JI Wen-jing,CHENG Xiao-qin,HAN Hai-rong*,et al. The Characteristics of Nutrient Element Distribution in the Plantation of Larix principis-ruppechtii[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2016,31(4):19-25.[doi:doi:10.3969/j.issn.1001-7461.2016.04.04]
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 华北落叶松人工林营养元素空间分布特征()
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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4期
页码:
19-25
栏目:
出版日期:
2016-07-31

文章信息/Info

Title:
 The Characteristics of Nutrient Element Distribution in the Plantation of Larix principis-ruppechtii
文章编号:
1001-7461(2016)04-0019-07
作者:
 纪文婧1; 程小琴1; 韩海荣1*; 康峰峰1; 桂志宏2; 吴然1; 陈晶1; 王泺鑫1; 田平1
 （1.北京林业大学 林学院，北京 100083；2.山西省太岳山国有林管理局好地方林场，山西 沁源 046505）
Author(s):
 JI Wen-jing1; CHENG Xiao-qin1; HAN Hai-rong1*; KANG Feng-feng1; GUI Zhi-hong2; WU Ran1; CHEN Jing1; WANG Luo-xin1; TIAN Ping1
 (1.College of Forestry,Beijing Forestry University,Beijing 100083,China; 2.Haodifang Forestry Station,Forestry Administration of Shanxi Taiyue Mountain,Qinyuan,Shanxi 046505,China)
关键词:
华北落叶松; 生物量; 营养元素含量; 积累与分配
Keywords:
Larix principis-ruppechtii;  biomass;  nutrient concentration;  accumulation and distribution
分类号:
S791.22
DOI:
doi:10.3969/j.issn.1001-7461.2016.04.04
文献标志码:
A
摘要:
 以山西太岳山好地方林场33年生华北落叶松人工林为研究对象，采用样地调查、实测生物量和室内试验的方法，研究华北落叶松人工林的生物量和4种营养元素（C、N、P、K）的含量、积累量及空间分布规律，旨在为落叶松人工林的养分循环研究和合理经营提供理论支撑。结果表明：华北落叶松人工林林分平均生物量为155.03 t·hm-2，其中乔木层为105.25 t·hm-2，占林分总生物量的67.87%；华北落叶松同化器官的4种营养元素含量显著高于其他器官，干最低。乔木层各器官营养元素含量最高，凋落物层最低。土壤中4种营养元素除K外，都随着土层加深而逐渐减少；华北落叶松人工林生态系统养分积累量为24.85×104 kg·hm-2，各层次养分积累量的大小顺序为：土壤层>乔木层>凋落物层>草本层>灌木层，乔木层中树干的养分积累量显著高于其他器官。
Abstract:
 In this study,the biomass and the concentrations,accumulation and distribution patterns of four nutrient elements (C,N,P and K) were measured through the survey of sample plots,actual measurements of biomass and indoor experiments,in order to interpret nutrient cycling and to improve forest management in 33-year-old plantations of Larix principis-ruppechtii in Haodifang Forestry Farm of Taiyue Forest Bureau,Shanxi,China.The results showed that,the mean stand biomass of L.principis-ruppechtii was 155.03 t·hm-2,of which,tree layer biomass was 105.25 t·hm-2,accounting for 67.87% of the total.The concentrations of 4 nutrient elements in assimilating organs of L.principis-ruppechtiiwere were significantly higher than those in other organs,the lowest in stem.The nutrient concentrations of tree layer were higher than shrub,herb and litter layers.The concentration of litter layer was the lowest.Except for K,the soil nutrient concentrations presented a decreasing trend with the increase of soil depth.The total nutrient accumulation of the 33-year-old plantation of L.principis-ruppechtii was 24.85×104 kg·hm-2.The accumulation of each layer was in the order of soil layer>tree layer>litter layer>herb layer>shrub layer.The biomass of the stem was the highest,and its nutrient accumulation was also the highest.

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备注/Memo

备注/Memo:
 收稿日期：2015-10-10修回日期：2015-11-29
基金项目：林业公益性行业科研专项（201404213）。
作者简介：纪文婧，女，硕士研究生，研究方向：森林生态与森林养分特征。E-mail:jwjlj@sina.com
*通信作者：韩海荣，男，教授，研究方向：生态管理与规划方面。E-mail：hanhr@bjfu.edu.cn
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