地形对典型阔叶红松林叶面积指数分布的影响

doi:10.13287/j.1001-9332.201709.024

应用生态学报 ›› 2017, Vol. 28 ›› Issue (9): 2856-2862.doi: 10.13287/j.1001-9332.201709.024

地形对典型阔叶红松林叶面积指数分布的影响

刘志理¹, 毕连柱², 宋国华², 王全波², 刘琪¹, 金光泽^1*

¹东北林业大学生态研究中心, 哈尔滨 150040
²黑龙江丰林国家级自然保护区管理局, 黑龙江伊春 153033

收稿日期:2017-01-06 出版日期:2017-09-18 发布日期:2017-09-18
通讯作者: * E-mail: taxus@126.com
作者简介:刘志理, 男, 1987年生, 副教授. 主要从事森林生态学研究. E-mail: liuzl2093@126.com
基金资助:
本文由国家自然科学基金项目(31600587)和中央高校基本科研业务费专项资金项目(2572017EA02)资助

Influence of topography on leaf area index in a typical mixed broadleaved-Korean pine forest in Xiaoxing’an Mountains, China.

LIU Zhi-li¹, BI Lian-zhu², SONG Guo-hua², WANG Quan-bo², LIU Qi¹, JIN Guang-ze^1*

¹Center for Ecological Research, Northeast Forestry University, Harbin 150040, China;
²Heilongjiang Fenglin National Nature Reserve Authority, Yichun 153033, Heilongjiang, China.

Received:2017-01-06 Online:2017-09-18 Published:2017-09-18
Contact: * E-mail: taxus@126.com
Supported by:
This work was supported by the National Natural Science Foundation of China (31600587), and the Fundamental Research Funds for the Central Universities (2572017EA02).

摘要/Abstract

摘要： 基于小兴安岭丰林国家级自然保护区阔叶红松林30 hm²监测样地,利用叶面积指数(LAI)与胸高断面积间的经验模型计算样地内主要树种及所有树种的总LAI,研究海拔、坡度、坡向和曲率4种地形因子对LAI分布的影响,以及对LAI分布的综合作用. 结果表明: 4种地形因子对红松、冷杉、紫椴、裂叶榆和五角槭5种主要树种LAI的分布均存在显著影响,而坡向对枫桦LAI的分布存在显著影响;4种地形因子对所有树种总LAI的分布具有显著影响. 将样地划分为山脊、阳坡、山谷阳面、阴坡和山谷阴面5种生境类型.生境类型对所有树种总LAI的分布存在显著影响,其中山脊LAI显著高于其他生境类型,均值为8.85;阳坡的LAI次之,均值为7.62;山谷阳面和阴坡的LAI不存在显著差异;而山谷阴面的LAI最小,均值为4.42.

Abstract: Based on a 30 hm² mixed broadleaved-Korean pine (Pinus koraiensis) forest monitoring plot at Fenglin National Nature Reserve in Xiaoxing’an Mountains, China, we estimated leaf area index (LAI) for major tree species and total LAI for all species using empirical models between LAI and basal area. We explored the influence of four kinds of terrain factors (including altitude, slope degree, slope aspect and curvature) and the combination influence on the spatial distribution of LAI. Results showed that the four terrain factors all had a significant effect on spatial distribution of LAI for five major tree species, including P. koraiensis, Abies nephrolepis, Tilia amurensis, Ulmus laciniata and Acer mono. But the slope aspect had a significant effect on the spatial distribution of LAI for Betula costata. The four kinds of terrain factors all significantly affected the spatial distribution of total LAI for all species. The plot could be divided into five habitat types, including the ridge, sunny, valley sunny side, shady and valley shady side. The habitat types had significant effects on the spatial distribution of total LAI, and the LAI in the ridge with a mean value of 8.85 was significantly higher than that in the other habitat types, followed by LAI in sunny with a mean value of 7.62. The LAI in the valley sunny and shady sides did not differ significantly, and the valley shady side had the lowest LAI, with a mean value of 4.42.

刘志理, 毕连柱, 宋国华, 王全波, 刘琪, 金光泽. 地形对典型阔叶红松林叶面积指数分布的影响[J]. 应用生态学报, 2017, 28(9): 2856-2862.

LIU Zhi-li, BI Lian-zhu, SONG Guo-hua, WANG Quan-bo, LIU Qi, JIN Guang-ze. Influence of topography on leaf area index in a typical mixed broadleaved-Korean pine forest in Xiaoxing’an Mountains, China.[J]. Chinese Journal of Applied Ecology, 2017, 28(9): 2856-2862.

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地形对典型阔叶红松林叶面积指数分布的影响

Influence of topography on leaf area index in a typical mixed broadleaved-Korean pine forest in Xiaoxing’an Mountains, China.

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