文献类型：期刊文献

中文题名：毛乌素沙地臭柏年轮生长动态的研究

英文题名：Dynamic Analysis on Tree Ring Growth of Sabina vulgaris Grown in Mu Us Sandland

作者：黄荣凤[1] 张国盛[2] 鲍甫成[1] 王林和[2] 刘海东[2]

第一作者：黄荣凤

机构：[1]中国林业科学研究院木材工业研究所;[2]内蒙古农业大学

年份：2005

卷号：41

期号：2

起止页码：117-122

中文期刊名：林业科学

外文期刊名：Scientia Silvae Sinicae

收录：CSTPCD;;Scopus;北大核心:【北大核心2004】；CSCD:【CSCD2011_2012】；

基金：国家自然科学基金项目 ( 3 0 2 710 47);科技部重大基础研究前期研究专项 ( 2 0 0 4CCA0 3 0 0 0 )

语种：中文

中文关键词：毛乌素沙地;生长动态;臭柏;年轮;线性相关关系;发生频率;生长曲线;光学显微镜;树干解析法;形态特征;径向生长;生长缓慢;生长过程;函数关系;生长量;年平均;匍匐茎;顶部;沙丘;滩地;年龄;径生长;偏心;径比;S型;累积;长度;伸长

外文关键词：Mu Us Sandland; Sabina vulgaris; growth dynamic of tree rings

分类号：S288;S531

摘要：以毛乌素沙地天然臭柏为材料 ,用实体解剖镜和光学显微镜研究观察臭柏的年轮形态特征 ,应用树干解析法研究毛乌素沙地沙丘顶部臭柏和滩地臭柏的径向生长和伸长生长动态。结果表明 :沙丘顶部臭柏偏心生长明显 ,长径与短径比为 14 0 .36 % ,伪年轮发生频率为 12 .0 7% ;滩地臭柏偏心生长不明显 ,长径与短径比为 10 5 .2 2 % ,伪年轮发生频率为 1.80 % ;根据年轮数推断 ,沙丘顶部臭柏群落的年龄至少有 12 3a以上 ,滩地臭柏年龄有 5 0a以上 ;沙丘顶部臭柏径生长缓慢 ,生长过程中没有明显的峰值 ,年平均生长量为 0 .94mm ,累积生长曲线的S型特征不明显 ;滩地臭柏的径生长高峰出现在 35年 ,年平均生长量为 1.5 1mm ,是沙丘顶部臭柏的 1.6倍 ,累积生长曲线的S型特征也不明显 ;沙丘顶部臭柏的匍匐茎长度与年龄之间表现出指数函数关系 。
Morphological characters of tree rings of Sabina vulgaris grown in Mu Us Sandland were observed using entitative microscope and optical microscope. Moreover, by means of stem analysis, the growth dynamic both in radial and longitudinal direction were studied for S. vulgaris grown both in lowland and on the top of dune. The results showed that eccentric growth of S. vulgaris on the top of dune was obvious with a ratio of 140.36% (long diameter to short diameter). The false ring occurred at a frequency of 12.07 %. However, the eccentric growth of that grown in the lowland was not obvious with a ratio of 105.22% and the false ring occurred at a frequency of 1.80%. According to the ring, S. vulgaris on the top and lowland of dune existted more than 123 and 50 years respectively. For S. vulgaris grown on the top of the dune, the annual radial growth was only 0.94 mm and had no obvious peak value in the whole annual radial growth. The shape “S' in the cumulative growth curve was not notable. For S. vulgaris grown in the lowland of dune, the peak annual radial growth occurred in the 35 th ring, the annual mean radial growth was 1.51 mm, 1.6 times as much as that on the top of dune. The shape “S' in cumulative growth curve was neither notable. The length and the age of stolon of S. vulgaris on the top of dune showed an exponential correlation, while that in lowland showed a significant linear correlation.