不同林龄草类-兴安落叶松渐伐林木质物残体基础特征

林业资源管理 ›› 2013, Vol. 0 ›› Issue (4): 94-99.

不同林龄草类-兴安落叶松渐伐林木质物残体基础特征

王飞¹, 张秋良¹, 高孝威¹, 王硕韬¹, 高伟², 徐雁燕²

1.内蒙古农业大学,呼和浩特 010018;
2.根河市气象局,内蒙古根河 022350

收稿日期:2013-04-01 修回日期:2013-04-09 出版日期:2013-08-28 发布日期:2020-11-23
通讯作者: 张秋良。Email:zqlemai@vip.sina.com
作者简介:王飞(1980-),女,内蒙古托县人,讲师,硕士,主要从事森林生态学及森林可持续经营研究。Email:wangfeinihao2003@yahoo.com.cn
基金资助:
国家自然科学基金(31070566)

Characteristics of Woody Debris in Grass-Larix Gmelinii Successive Cutting Forest in Different Ages

WANG Fei¹, ZHANG Qiuliang¹, GAO Xiaowei¹, WANG Shuotao¹, GAO Wei², XU Yanyan²

1. Forestry College,Inner Mongolia Agricultural University,Hohhot 010019,China;
2. Genhe Meteorological Administration,Genhe 022350,China

Received:2013-04-01 Revised:2013-04-09 Online:2013-08-28 Published:2020-11-23

摘要/Abstract

摘要： 对不同年龄草类-兴安落叶松渐伐林木质物残体贮量进行研究,并采用两类标准比较粗木质残体贮量及特征。结果表明:木质物残体贮量在6.27～61.38 t/hm² 。Harmon标准计算的CWD密度、体积和生物量为499～900株/hm²,4.73～130.59m³/hm²和 2.22～60.39t/hm²,分别比LTER标准高出 31.15％～66.74％,2.66%～34.75％和 2.96%～11.15％。随着林分年龄的增加,Harmon标准计算的CWD体积呈增加的趋势,密度和生物量规律不明显;LTER标准计算的CWD密度逐渐降低(587,325和300株/hm²),体积和生物量均为先降低后增加的趋势。随着腐烂等级的增加,Harmon标准计算的幼龄林和成熟林CWD密度及幼龄林和近、成熟林CWD的体积和生物量,均呈先增加后降低的趋势;以LTER标准计算的CWD密度、体积和生物量的变化规律与Harmon标准一致,只是Ⅰ级腐烂等级比例略有减少。

关键词: 兴安落叶松, 渐伐林, 木质物残体

Abstract: By using two kinds of criteria and comparing the storage and the characteristics of the coarse woody debris,the storage of the coarse woody debris in the different aged grass-larix gmeliniiin successive cutting forest were studied.The results indicated that the storage of woody debris capacity was about 6.27～61.38 t/hm²,the density,volume and biomass of CWD derived from Harmon criterion were 499～900 trees/hm²,4.73～130.59 m³/hm² and 2.22～60.39 t/hm²,respectively,which were higher than that derived from LTER criteria by 31.15％～66.74％,2.66%～34.75％ and 2.96%～11.15％,respectively.With the increase of stand age,the volume of CWD derived from Harmon criterion exhibited feature as stand age increasing,both density and biomass of CWD showed a near irregular distribution.The density of CWD derived from LTER criterion decreased gradually (587,325 and 300 trees/hm²),the volume and biomass increased first and then decreased.With the increase of decay class,the CWD density of young forest and mature forest derived from Harmon criterion, the volume and biomass of young forest,near-mature forest and mature forest all increased first and then decreased.The Variation of CWD density,volume and biomass derived from LTER criterion are in consistency with Harmon criteria,only the decay class Ⅰ proportion slightly reduced.

Key words: Larix gmelinii, successive cutting forest, woody debris

中图分类号:

S718.5

王飞, 张秋良, 高孝威, 王硕韬, 高伟, 徐雁燕. 不同林龄草类-兴安落叶松渐伐林木质物残体基础特征[J]. 林业资源管理, 2013, 0(4): 94-99.

WANG Fei, ZHANG Qiuliang, GAO Xiaowei, WANG Shuotao, GAO Wei, XU Yanyan. Characteristics of Woody Debris in Grass-Larix Gmelinii Successive Cutting Forest in Different Ages[J]. FOREST RESOURCES WANAGEMENT, 2013, 0(4): 94-99.

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