[1]陈国兴.福建建瓯水青冈种子雨特征研究[J].浙江林业科技,2020,40(04):44-48.[doi:10.3969/j.issn.1001-3776.2020.04.007]
 CHEN Guo-xin.Research on Characteristics of Seed Rain in Fagus longipetiolata[J].Journal of Zhejiang Forestry Science and Technology,2020,40(04):44-48.[doi:10.3969/j.issn.1001-3776.2020.04.007]
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福建建瓯水青冈种子雨特征研究()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
40
期数:
2020年04期
页码:
44-48
栏目:
其他
出版日期:
2020-08-20

文章信息/Info

Title:
Research on Characteristics of Seed Rain in Fagus longipetiolata
文章编号:
1001-3776(2020)04-0044-05
作者:
陈国兴
福建省建瓯市林业局,福建建瓯353100
Author(s):
CHEN Guo-xin
Jian’ouForestry Bureau ofFujian,Jian’ou353100, China
关键词:
水青冈种子雨时序特征空间分布
Keywords:
Fagus longipetiolata seed rain temporal characteristics spatially distribution
分类号:
S792.16
DOI:
10.3969/j.issn.1001-3776.2020.04.007
文献标志码:
A
摘要:
2018年9月14日至11月28日,在福建省建瓯市水青冈Fagus longipetiolata天然林内选取42株不同胸径(D)成年水青冈进行种子雨收集,研究水青冈的种子雨时序特征。结果表明:(1)水青冈种子雨从9月中旬开始持续至11月下旬,共76 d;(2)水青冈种子降落的时序特征随着时间推移呈波浪式变化,降落高峰出现在种子雨后期,有活力的种子降落高峰也出现在种子雨后期;(3)40 cm≤D<50 cm,50 cm ≤D<60 cm的水青冈种子雨密度高于D<40 cm和D≥60 cm的;(4)种子雨密度大于200粒·m-2时,在空间上呈聚集分布,种子雨密度小于150粒·m-2时,在空间上呈随机分布。
Abstract:
During September 14th and November 28th2018, 42 seed trees of Fagus longipetiolata with different DBH were selected at natural forest in Jian’ou, Fujian province for seed collection.The results showed that seed rain continued from mid-September to late November for a total of 76 days.The temporal characteristics of seed rain were changed with time; the peak of viable seed wasatthe later stage of seed rain.The seed rain density of seed trees with 40 cm≤D<50 cm and 50 cm≤D<60 cm was higher than that with D<40 cm and D≥60 cm.The experiment demonstrated that seed trees had seed rain density more than 200 seeds/m2, the spatially distribution was aggregated, and that less than 150 seeds/m2, the spatially distribution was random.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-12-30;修回日期:2020-04-28
作者简介:陈国兴,高级工程师,从事森林资源培育与林下经济研究;E-mail:18950665477@163.com。
更新日期/Last Update: 2020-08-20