[1]乔匀周,王开运,张远彬.CO2浓度升高对红桦幼苗树皮和去皮树干特征的影响[J].西北林学院学报,2007,22(01):1-4.
 QIAO Yunzhou,WANG Kaiyun,ZHANG Yuanbin.Growth and Wood/Bark Properties of Birch (Betula albosinensis) Seedlings Exposed to Elevated CO2[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2007,22(01):1-4.
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CO2浓度升高对红桦幼苗树皮和去皮树干特征的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第22卷
期数:
2007年01期
页码:
1-4
栏目:
森林生物学研究
出版日期:
2007-01-30

文章信息/Info

Title:
Growth and Wood/Bark Properties of Birch (Betula albosinensis) Seedlings Exposed to Elevated CO2
作者:
乔匀周1王开运12张远彬1
1.中国科学院 成都生物研究所,四川 成都 610041;2.华东师范大学 上海市城市化过程与生态恢复重点实验室,上海 200062
Author(s):
QIAO Yunzhou1WANG Kaiyun12ZHANG Yuanbin1
1.Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, China;2.Shanghai Key Laboratory of Urbanization Processes and Ecological Restoration, East China Normal University, Shanghai 200062, China
关键词:
CO2浓度升高红桦树皮去皮树干密度
Keywords:
elevated CO2 birch (Betula albosinensis) stem bark stem wood plant density
分类号:
S718.512.1
文献标志码:
A
摘要:
研究了高(HD)、低(LD)两个种植密度下红桦幼苗的树皮和去皮树干特征对CO2升高的响应。结果表明,不论是否达到显著水平,树皮厚度、树皮基部横截面积和树皮体积均受到CO2升高的促进作用,但是受到种植密度升高的负作用。低密度处理中,CO2升高对去皮树干的大部分特征没有显著影响,高密度处理中,CO2升高对去皮树干特征产生了显著影响。在两个CO2处理下,所有的去皮树干的特征参数都受种植密度增加的影响而降低。此外,研究结果还发现树皮和树干对CO2升高和/或种植密度的反应程度不同,但反应方向一致。由于本实验是在控制环境生长室中对幼苗进行的,因而实验结果不宜外推到自然界生长的成年树木上。
Abstract:
The response of wood/bark properties of red birch seedlings to elevated CO2 (EC) under low (LD) and high density (HD) were investigated in closed top fumigation chambers (CTC). The results showed that most traits of stem bark were benefited from elevated CO2 and reduced with the increase of plant density,whether statistically significant or not. Elevated CO2 didn't affect stem wood significantly under low plant density but significantly under high density, while, the elevation of plant density significantly reduced traits of stem wood under both CO2. The results also showed that the response magnitude of stem bark and stem wood to elevated CO2 and/or different plant densities were not the same but the response directions were alike. Otherwise, the results of this experiment cannot be extrapolated to mature trees in natural forest because the experiment was conducted in controlled environmental chambers on immature birch seedlings.

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备注/Memo

备注/Memo:
收稿日期20060410修回日期20060524基金项目国家自然科学基金“重大研究计划”项目(No.90511008,No.90202010);中芬国际合作项目(30211130504);中国科学院“百人计划”项目(01200108C)作者简介乔匀周(1978)男,山东泗水人,博士,主要研究方向植物生态学,全球变化生态学。
更新日期/Last Update: 2010-05-04