[1]周洋,郑小贤*,王琦,等. 福建三明栲类次生林主要树种更新生态位研究[J].西北林学院学报,2015,30(04):84-88.[doi:doi:10.3969/j.issn.1001-7461.2015.04.14]
 ZHOU Yang,ZHENG Xiao-xian*,WANG Qi,et al. Regeneration Niche of Castanopsis Secondary Forest in Jiangle, Fujian[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2015,30(04):84-88.[doi:doi:10.3969/j.issn.1001-7461.2015.04.14]
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 福建三明栲类次生林主要树种更新生态位研究()
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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04期
页码:
84-88
栏目:
出版日期:
2015-07-31

文章信息/Info

Title:
 Regeneration Niche of Castanopsis Secondary Forest in Jiangle, Fujian
文章编号:
1001-7461(2015)04-0084-05
作者:
 周洋郑小贤*王琦刘晓玥
 (北京林业大学 森林资源与环境管理国家林业局重点实验室,北京 100083)
Author(s):
 ZHOU Yang ZHENG Xiao-xian* WANG Qi LIU Xiao-yue
 (State Forestry Administration Key Laboratory of Forest Resources and Environmental Management, Beijing Forestry University, Beijing 100083, China)
关键词:
 栲树更新生态位重要值次生林
Keywords:
Castanopsis secondary forest regeneration niche important value secondary forest
分类号:
S792.99
DOI:
doi:10.3969/j.issn.1001-7461.2015.04.14
文献标志码:
A
摘要:
 福建三明将乐林场栲类次生林是1958年皆伐后经过自然演替恢复的林分,采用改进的更新生态位宽度和更新生态位重叠计算公式,结合态势理论,以幼苗层、幼树层、小树层、大树层中重要值较高的10个主要树种进行更新生态位研究。结果表明,主要树种栲树的重要值最大,更新生态位宽度也最大,处于优势地位。木荷、苦槠、青冈具有较大的更新生态位宽度,幼苗、幼树适应能力较强,是栲树的主要伴生树种;甜槠、黄樟更新生态位宽度值较小,林内幼苗幼树较少,是群落中的衰退树种;杉木在郁闭状态下难以自然更新,是逐步被替代的树种;拟赤杨在幼苗层和幼树层的更新生态位宽度较低,在竞争中处于弱势,应采取人工抚育措施,促进拟赤杨幼苗幼树的天然更新。
Abstract:
The secondary forest of Castanopsis spp. occurring in Jiangle Forest Farm of Fujian was resulted from the natural succession after the clear cutting in 1958. The improved regeneration niche width and update niche overlap calculation formula were used and combined with momentum theory to study the regeneration niche of 10 major species with higher important value in the seedling layer, sapling layer, small trees layer, and big tree layer. The results demonstrated that Castanopsis fargesii, the main tree species, had the largest important value and regeneration niche width and occupied a dominant position. Schima suprba, C. fargesii and Cyclobalanopsis glauia which had a larger update niche breadth and a stronger adaptive ability for the seedlings and saplings was the main associated tree species. C. eyrei, Cinnamomum porrectum were the species in decline in the community, with a smaller regeneration niche width, and fewer number of seedlings and saplings in the forest. Under the canopy state, Cunninghamia lancolata was difficult for natural regeneration, so it was gradually replaced by other tree species. The update niche width of Alniphyllum fortunei was lower in seedling and sapling layers, and it showed weakness in the competitiveness. So, tending measures should be taken to promote the natural regeneration of Alniphyllum fortunei seedlings.

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备注/Memo

备注/Memo:
 收稿日期:2014-09-13修回日期:2014-10-23
基金项目:“十二五”国家科技支撑课题(2012BAD22B05)。
作者简介:周洋,男,在读硕士,研究方向:森林可持续经营。E-mail:zhouyangv@126.com
*通信作者:郑小贤,男,教授,研究方向:森林可持续经营理论与技术。E-mail:zheng8355@bjfu.edu.cn
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