[1]姜俊,谢阳生,陆元昌*,等. 不同林龄阶段马尾松人工林群落结构特征及经营策略[J].西北林学院学报,2015,30(06):1-7.[doi:doi:10.3969/j.issn.1001-7461.2015.06.01]
　JIANG Jun,XIE Yang-sheng,LU Yuan-chang*,et al. Community Structure at Different Age Stages and Optimization Management Strategies in a Masson Pine Plantation[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2015,30(06):1-7.[doi:doi:10.3969/j.issn.1001-7461.2015.06.01]
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 不同林龄阶段马尾松人工林群落结构特征及经营策略()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第30卷
期数:
2015年06期
页码:
1-7
栏目:
出版日期:
2015-11-30

文章信息/Info

Title:
 Community Structure at Different Age Stages and Optimization Management Strategies in a Masson Pine Plantation
文章编号:
1001-7461(2015)06-0001-07
作者:
 姜俊1; 谢阳生1; 陆元昌1*; 孟京辉2; 刘宪钊1; 邢海涛1
 （1.中国林业科学研究院 资源信息所，北京 100091；2.北京林业大学 省部共建森林培育与保护教育部重点实验室，北京 100083）
Author(s):
 JIANG Jun1;  XIE Yang-sheng1;  LU Yuan-chang1*;  MENG Jing-hui2;  LIU Xian-zhao1;  XING Hai-tao1
 （1. Institute of Forest Resource Information Techniques, Chinese Academy of Forestry, Beijing 100091, China；2. Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University, Beijing 100083, China)
关键词:
 ; 马尾松人工林; 林龄; 群落结构; 经营策略
Keywords:
 ; masson pine plantation;  stand age;  forest structure;  management strategy
分类号:
S791.248
DOI:
doi:10.3969/j.issn.1001-7461.2015.06.01
文献标志码:
A
摘要:
 采用空间变化代替时间变化的方法，以南亚热带马尾松人工林不同年龄阶段（10、20、30、40、50 a和60 a）林分为对象，研究了马尾松人工林林分物种组成和结构的变化特征。结果表明，多度、丰富度及材积在不同年龄阶段的分布差异较大：1）不同年龄阶段的林分组成和结构差异显著，随着林龄的增加，多样性指数和丰富度指数均呈先增加后降低的趋势；2）不同年龄阶段的树种胸径分布格局变化较大，60 a集中分布胸径>20 cm的林木；3）马尾松近熟阶段（50～60 a）林木株数较少，但是从林分的生产力来说，却提供了50%以上的林分蓄积。提出不同年龄阶段的人工林经营策略需要考虑林分自然生长规律和关键树种竞争机制，使少量优质林木个体留给自然演替进程控制和调节，实现人工林生产力提升和结构功能的生态合理性和经济有效性。
Abstract:
 By the method of substituting temporal serial with spatial serial, and taking six forest lands with different ages (10, 20, 30, 40, 50 and 60 years) in monoculture region as objects, this paper studied the change characteristics of species composition and structural differences of the stands with different ages. The results showed that, 1) Differences in species composition and structure of the stands with different ages were significant, species richness and abundance index increased firstly and then decreased with the increase of ages; 2) Tree diameter distribution showed significant differences among different stand layers. Tree individuals with diameter more than 20 cm dominated at the late age stages; 3) Stand volume presented great variance along the age stages. Silvicultural practices play an important role in shaping the age stage dynamics of Masson plantation, resulting in differences in the structure of the community. We attempt to integrate the structural and functional characteristics of monoculture as a way to enhance our ability both to predict and manage monoculture forest due to their increasing importance as timber sources, providers of environmental services, and management purpose. Further research is needed to gain a better management strategy linked with forest succession.

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备注/Memo

备注/Memo:
 收稿日期：2014-10-13 修回日期：2015-07-08
基金项目：中央级公益性科研院所基本科研业务费专项(IFRIT201501)。
作者简介：姜俊，男，博士研究生，研究方向：森林经营和模型模拟。E-mail：linda_jiangjun@163.com
*通信作者：陆元昌，男，研究员，研究方向：森林经营管理。 E-mail：ylu@caf.ac.cn
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