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当前位置: 首页 > 文章 > 基于不同平茬次数的沙柳生物量及其与生长因子的关系研究 内蒙古林业调查设计 2018 (5) 98-104
Position: Home > Articles > Biomass of Salix Psammophila Based on Different Times of Stumping and Its Relationship With the Growth Factors Inner Mongolia Forestry Investigation and Design 2018 (5) 98-104

基于不同平茬次数的沙柳生物量及其与生长因子的关系研究

作  者：
张岑;王树森;李艳慧;康宏;梅二罕;迟悦春;罗于洋;张涛;孟凡旭;聂琴;郭向东;郭宇;程冀文
单  位：
内蒙古农业大学沙漠治理学院;呼和浩特市赛罕区林业局;鄂尔多斯市杭锦旗林业局;鄂尔多斯市林业国际合作援助项目办公室;内蒙古自治区林业厅
关键词：
沙柳;平茬次数;生物量;生长因子
摘  要：
沙柳(Salix psammophila)是内蒙古西部荒漠化地区的主要造林树种之一。文章对15 a林龄沙柳经过1次、2次、3次平茬和未平茬人工沙柳生物量进行研究的基础上,分析了沙柳生物量与丛高、冠幅、基径、枝条基部粗度、基部分枝数、单枝最大分枝数、单枝最大芽眼数的关系。研究结果如下:(1)随着平茬次数的增加,沙柳生物量也在增加,丘间低地沙埋区的沙柳生物量高于丘间低地未沙埋和迎风坡风蚀区的生物量。(2)从各生长因子与生物量的相关系数来看,基部分枝数>枝条基部粗度>基径>冠幅>单枝最大芽眼数>丛高>单枝最大分枝数。沙埋能够明显增加15 a林龄沙柳的冠幅、基径、基部分枝数。(3)随着沙柳基部分枝数增加,沙柳生物量明显增加,沙柳生物量与基部分枝数的关系方程为y=0.020 4x1.052 8(R2=0.669 8)。通过本研究,可以为我国西部地区开展人工沙柳林产量和生产力估算以及碳汇能力的计量打下良好的基础。
译  名：
Biomass of Salix Psammophila Based on Different Times of Stumping and Its Relationship With the Growth Factors
作  者：
ZHANG Cen;WANG Shusen;LI Yanhui;KANG Hong;MEI Erhan;CHI Yuechun;LUO Yuyang;ZHANG Tao;MENG Fanxu;NIE Qin;GUO Xiangdong;GUO Yu;CHEGN Yiwen;College of Desert Control Science and Engineering of Inner Mongolia Agriculture University;Forestry Bureau of Saihan District;Inner Mongolia Autonomous Region Forestry Administration;Forestry Bureau of Hanggin Banner;Erdos Forestry International Cooperation Assistance Project Office;
关键词：
Salix psammophila;;stumping times;;biomass;;growth factors
摘  要：
Salix psammophila is one of the main afforestation shrub species in desertificated areas in western Inner Mongolia. The paper studied the biomass of planted Salix psammophila of 15 years with 0-3 times of stumping, and analyzed the relationship between its biomass and its cluster height,crown breadth, branch diameter, the average base branch diameter, the number of base branches,maximum branches per branch, and maximum bud number per branch. The results are as follows:(1)With the increase of the stumping time, the biomass of Salix psammophila also increased. Its biomass in the sand burial leeward slope is higher than that in the no-sand burial leeward slope and the windward slope.(2) According to the correlation coefficient between its growth factors and its biomass, the number of base branches > the average base diameter of branches > branch diameter >crown breadth> maximum bud number per branch > cluster height > maximum branches per branch.Sand burial can significantly increase the crown breadth, plant basal diameter and the number of base branches of Salix psammophila of 15 years.(3) its biomass increased significantly with the increase of its number of base branches. The equation was y=0.020 4 x1.052 8(R2=0.669 8). The study can provide the data support for estimating the yield and productivity, and the measurement of carbon sequestration capacity of planted Salix psammophila in western China.

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