锐齿
- 网络Sharp teeth;sawtooth;spinose-dentate
![锐齿](../cache/1526076.jpg)
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伏牛山区植物的多样性及其保护天水小陇山锐齿栎群落土壤全N分布特征及与生物多样性关系研究
The Distribution of Soil Total Nitrogen and Its Correlation to the Plant Species Diversity in the Forest of Xiaolong Mountain of Tianshui , Gansu Province
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把枹栎Q.把锐齿栎Q.柞蚕蛹综合利用技术
The technology of the comprehensive utilization of oak silkworm pupae
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而静态生命表分析显示锐齿栎种群的存活曲线为DeeveyⅡ型,死亡率曲线有两个高峰;
The result revealed that the population age structure exhibited the characteristics of stable type , the curve of survival generally trended to the Deevey ⅱ, and there were two peaks of mortality .
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秦岭锐齿栎林的生物量和生产力
Biomass and Productivity of the Sharptooth Oak Forests in the Qinling Mountains
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锐齿栎林非同化器官营养元素含量的分布
Nutrient distribution for non-photosynthetic organs in the sharptooth oak stands
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锐齿栎林生态系统对水质影响的研究
Effects of the Sharp - Tooth Oak Forest Ecosystem on the Water Quality
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秦岭锐齿栎群落数量特征的研究
Quantitative analysis on sharp-tooth oak stands in Qinling Mountains
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锐齿栎林分叶长宽比和叶干重面积比的变化
Variations in the Ratios of Length to Breadth and Dry-Weight to Area of Oak-Leaves
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锐齿栎林个体光合器官生长与营养季节动态
Seasonal variation of growth and nutrient contents for photosynthetic organ of the sharptooth oak stands
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秦岭天然锐齿栎林群落区系研究
The preliminary study on the seed plant flora of the natural sharptooth oak forest communities in Qinling Mountain
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让我介绍一下我的新兄弟:锐齿和利爪!
Yells when absorbing Lynx Spirit : Let me introduce to you my new bruddahs : fang and claw !
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文章以小陇山锐齿栎群落为例,分析了不同发育阶段土壤的特征。
Taking sharp tooth oak community in Xiaolongshan as an example , The research analysed the soil characteristic at different development stage .
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锐齿栎、油松茎流养分输入和树干基部土壤特性初步研究
Nutritive Input of Stem flow in Chinese Pine and Sharp tooth Oak Forests and Its Effect on Characteristics of Soil Nearby the Base of the Tree Stems
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坡向对锐齿槲栎种群的更新有重要影响,光照好的东南坡上的更新情况明显比光照较少的西北坡好。
Influence of the slopes with different directions on population regeneration was also studied , and it showed that the slope direction was one important factor for regeneration .
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无糜烂组锐齿型、破碎型、三角延伸型、舌样延伸型齿状线多于正常对照组,差异有统计学意义(P<0.05)。
There were more serration , fractured , triangular extension , and tongue-like extension Z-lines in the non-erosive group than in the control group . The difference was significant ( P < 0.05 ) .
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锐齿槲栎的非结构性碳水化合物含量随着海拔升高而降低,铁橡树中在中、高海拔却略有升高,显示出两种植物碳资源分配和利用策略的不同。
Non-structural carbohydrate content decreased with increasing altitude in Qa , yet which escalated at high and medium altitude for Qs implying there were different carbon resource allocation and use strategies in two kinds of plant .
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通过固定标准木、定期采样和化学测定,分析了秦岭锐齿栎林叶内营养元素含量的径阶、冠向、冠层、海拔和生长季节变化规律。
The foliage nutrient contents of sharptooth oak stands in Qinling Mt. with different diameter classes , crown directions , crown layers , elevations and seasonal variation have been studied in this paper by fixed sampling trees , regular samplings and chemical analysis .
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结果表明:(1)随着海拔的升高,锐齿槲栎叶形态特征在海拔间相对比较恒定,仅低海拔的干重较中高海拔稍大而叶形指数又稍小。
The main results are showed as follow : ( 1 ) The leaf shape and size was relatively constant in Qa along the altitudinal , only the dry weight was higher and the leaf shape index was smaller in low altitude than that in medium altitude gradient .