都江堰灵岩山香樟过熟林种子雨分布特征

马莲花; 罗豫川; 陈诚; 肖建辉; 赵晓云

doi:10.16779/j.cnki.1003-5508.2015.06.005

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都江堰灵岩山香樟过熟林种子雨分布特征

马莲花 , 罗豫川 , 陈诚 , 肖建辉 , 赵晓云

文章导航 > 四川林业科技 > 2015 > 36(6): 27-31

马莲花, 罗豫川, 陈诚, 肖建辉, 赵晓云. 都江堰灵岩山香樟过熟林种子雨分布特征[J]. 四川林业科技, 2015, 36(6): 27-31. doi: 10.16779/j.cnki.1003-5508.2015.06.005

引用本文:

马莲花, 罗豫川, 陈诚, 肖建辉, 赵晓云. 都江堰灵岩山香樟过熟林种子雨分布特征[J]. 四川林业科技, 2015, 36(6): 27-31. doi: 10.16779/j.cnki.1003-5508.2015.06.005

MA Lian-hua, LUO Yu-chuan, CHEN Cheng, XIAO Jian-hui, ZHAO Xiao-yun. The Distribution Features of the Seed Rain of Overmature Cinnamomum camphora Forest in Dujiangyan City, China[J]. Journal of Sichuan Forestry Science and Technology, 2015, 36(6): 27-31. doi: 10.16779/j.cnki.1003-5508.2015.06.005

Citation:

MA Lian-hua, LUO Yu-chuan, CHEN Cheng, XIAO Jian-hui, ZHAO Xiao-yun. The Distribution Features of the Seed Rain of Overmature Cinnamomum camphora Forest in Dujiangyan City, China[J]. Journal of Sichuan Forestry Science and Technology, 2015, 36(6): 27-31. doi: 10.16779/j.cnki.1003-5508.2015.06.005

都江堰灵岩山香樟过熟林种子雨分布特征

doi: 10.16779/j.cnki.1003-5508.2015.06.005

详细信息

四川农业大学林学院，四川温江 611130;四川农业大学旅游学院，四川都江堰 611830;四川农业大学建筑与城乡规划学院，四川都江堰 611830

作者简介:
马莲花(1988-),女,河南濮阳人,硕士生,研究方向:森林生态系统经营管理,E-mail:malianhua2007@163.com。

中图分类号: S722.1

The Distribution Features of the Seed Rain of Overmature Cinnamomum camphora Forest in Dujiangyan City, China

More Information

College of Forestry, Sichuan Agricultural University, Wenjiang 611130, Sichuan;College of Tourism, Sichuan Agricultural University, Dujiangyan 611830, Sichuan;College of Architecture and Urban-Planning, Sichuan Agricultural University, Dujiangyan 611830, Sichuan

摘要: 为研究四川西部盆地西缘香樟(Cinnamomum camphora (L.) Presl.)过熟林种子雨散布规律,于2014年8月至12月,在灵岩山香樟过熟林中选择5株直径在60cm以上的样木,共设置40个种子雨收集器,对其种子雨进行收集和分析。结果表明:(1)种子雨总量为5592粒,累积密度为699.00粒·m^-2,平均密度为139.80粒·m^-2,平均存活率为93.26%;(2)种子雨历时107 d,降落起始期为8月底,高峰期为9月中下旬,其落种量占整个种子雨的57.69%,11月为末期;(3)种子雨具有明显的空间格局:冠内种子降雨量总是大于冠缘种子降雨量;沿坡的水平方向种子降雨量总是大于顺坡的垂直方向降雨量;种子雨表现为聚集分布;(4)2a的连续观察表明:香樟过熟林结实存在大小年现象。
- 香樟;
- 种子雨;
- 时间动态;
- 空间格局;
- 大小年
Abstract: By choosing five representative sample trees with the diameter of more than 60 cm and setting forty seed rain collectors, researches were conducted on the spatial and temporal pattern of seed rain of overmature Cinnamomum camphora forest since August to December in 2014 on the Lingyan Mountain in Dujiangyan on Western Sichuan Basin Border. The results showed that:(1) the total seed rainfall was 5,592 grains; the cumulative seed rain intensity reached 699.00 seeds per square metre; the annual reached 139.80 seeds per square metre; the average survival rate was 93.26%; (2) the seed rain lasted for 107 days,and the beginning period was in the late August. The peak period was from mid to late December,occupying 57.69% of the total seed rain. And the terminal period was until November. (3) The seed rain had obvious spatial pattern:Most seeds of C. camphora trees were always distributed in the understorey. The horizontal direction grains were always more than the vertical direction. The seed rain pattern showed a clump distribution; (4) there was an alternate bearing in seed production of C. camphora forest by observation for two years.
- Cinnamomum camphora;
- Seed rain;
- Time dynamic;
- Spatial pattern;
- Alternate bearing

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都江堰灵岩山香樟过熟林种子雨分布特征

doi: 10.16779/j.cnki.1003-5508.2015.06.005

四川农业大学林学院，四川温江 611130;四川农业大学旅游学院，四川都江堰 611830;四川农业大学建筑与城乡规划学院，四川都江堰 611830

作者简介:
马莲花(1988-),女,河南濮阳人,硕士生,研究方向:森林生态系统经营管理,E-mail:malianhua2007@163.com。

收稿日期: 2015-08-09

中图分类号: S722.1

关键词:

摘要: 为研究四川西部盆地西缘香樟(Cinnamomum camphora (L.) Presl.)过熟林种子雨散布规律,于2014年8月至12月,在灵岩山香樟过熟林中选择5株直径在60cm以上的样木,共设置40个种子雨收集器,对其种子雨进行收集和分析。结果表明:(1)种子雨总量为5592粒,累积密度为699.00粒·m^-2,平均密度为139.80粒·m^-2,平均存活率为93.26%;(2)种子雨历时107 d,降落起始期为8月底,高峰期为9月中下旬,其落种量占整个种子雨的57.69%,11月为末期;(3)种子雨具有明显的空间格局:冠内种子降雨量总是大于冠缘种子降雨量;沿坡的水平方向种子降雨量总是大于顺坡的垂直方向降雨量;种子雨表现为聚集分布;(4)2a的连续观察表明:香樟过熟林结实存在大小年现象。

English Abstract

The Distribution Features of the Seed Rain of Overmature Cinnamomum camphora Forest in Dujiangyan City, China

College of Forestry, Sichuan Agricultural University, Wenjiang 611130, Sichuan;College of Tourism, Sichuan Agricultural University, Dujiangyan 611830, Sichuan;College of Architecture and Urban-Planning, Sichuan Agricultural University, Dujiangyan 611830, Sichuan

Received Date: 2015-08-09

Keywords:

Abstract: By choosing five representative sample trees with the diameter of more than 60 cm and setting forty seed rain collectors, researches were conducted on the spatial and temporal pattern of seed rain of overmature Cinnamomum camphora forest since August to December in 2014 on the Lingyan Mountain in Dujiangyan on Western Sichuan Basin Border. The results showed that:(1) the total seed rainfall was 5,592 grains; the cumulative seed rain intensity reached 699.00 seeds per square metre; the annual reached 139.80 seeds per square metre; the average survival rate was 93.26%; (2) the seed rain lasted for 107 days,and the beginning period was in the late August. The peak period was from mid to late December,occupying 57.69% of the total seed rain. And the terminal period was until November. (3) The seed rain had obvious spatial pattern:Most seeds of C. camphora trees were always distributed in the understorey. The horizontal direction grains were always more than the vertical direction. The seed rain pattern showed a clump distribution; (4) there was an alternate bearing in seed production of C. camphora forest by observation for two years.