| 长白山阔叶红松林林隙特征及对树种更新的影响 |
| |
| 引用本文： | 于振良、于贵瑞、王秋凤、赵士洞,延晓冬.长白山阔叶红松林林隙特征及对树种更新的影响[J].资源科学,2001,23(6):64-68. |
| |
| 作者姓名： | 于振良、于贵瑞、王秋凤、赵士洞 延晓冬 |
| |
| 作者单位： | 1. 中国科学院地理科学与资源研究所,北京,100101
2. 中国科学院大气物理研究所,北京,100029 |
| |
| 基金项目： | 中国科学院“百人计划”生态系统管理的基础生态学过程研究项目及“知识创新工程”领域前沿项目(CX10G-CO0-01);国家自然科学基金项目(39970613)及“九五”重大及特别支持项目(KZ95T-04-02-08)共同资助. |
| |
| 摘 要： | 长白山阔叶红松林实际林隙面积小于250m2的林隙数量占被调查林隙的70以上，扩展林隙面积大部分分布在100m2-500m2之间（70%左右），林隙最大面积大部分分布在300m2-900m2之间，林隙模型所模拟的面积应在500m2-900m2之间。40%的阔叶红松林林隙是风干扰形成的。每个林隙的平均林隙形成木的数量是2.65株。最大林隙形成木集中分布在50cm-60cm和60cm-70cm两个径级内，占总数量的50%以上，红松、紫椴、蒙古栎和春榆在最大林隙形成木中占95%以上，其中紫椴（40%）所占比例最大，红松（34.5%）次之。林隙内的树种更新密度比林冠下提高了30%左右。根据树种对林隙的反应可分为4类：鱼鳞云杉、水曲柳、青楷、白扭、红松、臭冷杉、胡桃楸和色木对林隙反应中等；紫椴、裂叶榆和春榆对林隙有强烈反应；白桦、山杨、蒙古栎和落叶松需要强烈林隙干扰才能引起树种更新。
|
| 关 键 词： | 阔叶红松林、林隙、树种更新、干扰 |
| 文章编号： | 1007-7588(2001)06-0064-05 |
| 修稿时间： | 2001年6月30日 |
CANOPY GAP CHARACTERISTCS AND THEIR INFLUENCES ON THE REGENERATION OF BROAD-LEAVED PINUS KORIENSIS FORESTS IN CHANGBAI MOUNTAIN |
| |
| YU Zheng liang ,YU Gui rui ,WANG Qiu feng ,ZHAO Shi dong ,YAN Xiao dong.CANOPY GAP CHARACTERISTCS AND THEIR INFLUENCES ON THE REGENERATION OF BROAD-LEAVED PINUS KORIENSIS FORESTS IN CHANGBAI MOUNTAIN[J].Resources Science,2001,23(6):64-68. |
| |
| Authors: | YU Zheng liang YU Gui rui WANG Qiu feng ZHAO Shi dong YAN Xiao dong |
| |
| Institution: | YU Zheng liang 1,YU Gui rui 1,WANG Qiu feng 1,ZHAO Shi dong 1,YAN Xiao dong 2 |
| |
| Abstract: | Concerned in the species regeneration, characteristics of canopy gaps in broad-leaved Pinus koriensis forests in Changbai Mountain are studied. The amount of actual gap areas less than 250m 2 accounts for 70% of investigated areas, while the expand gap areas of more than 70% are between 100 to 500m 2.The maximum gap area is between 300 to 900m 2. The wind disturbance is the most important exodus disturbance regime in broad leaved Korea pine forests in Changbai Mountain. There are 2.65 gap makers in one gap on average, and following gap makers account for more than 90% of the whole: Pinus koriensis , Tilia amurensis, Quercus mongolica, and Ulmus japonica. The comparative study on the regeneration of Broad leaved Pinus koriensis forests in Changbai Mountain between canopy gaps and canopies shows that the density of regeneration increases 30% in canopy gaps compared with canopies. The individual species regeneration in response to canopy gaps is much different. |
| |
| Keywords: | Broad leaved Pinus koriensis forest Canopy gap Regeneration Disturbance |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《资源科学》浏览原始摘要信息 |
| 点击此处可从《资源科学》下载免费的PDF全文 |
