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tree life
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     In the artical base on tree life room dwelling-drawing room of Northwestern College of Forestry, proceed with a serious of funiture design and its arrangement.
     以西北林学院乙丙楼三居室职工住宅为给定的建筑空间,以客厅为重点,进行家具配套设计与陈设布置。
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     Immortal Tree of Life
     永恒的生命之树
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     Life
     人生
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     Life
     生命
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     Exploring the Life Theme of Tree of Man
     解析《人树》之人生主题
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     Time Tree
     时间树
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  tree life
We hypothesize that in tropical dry forest in Jalisco, Mexico, a habitat specialization for soil resources is likely more importance at early stages in tree life histories than in later life history.
      
The prevailing paradigm of tree life histories emphasises strong interrelationships between growth, longevity and reproductive traits, attributing contrasting suites of correlated traits to 'pioneer' and 'climax' or 'non-pioneer' species.
      
However, conflicting evidence showed that species-environment relationships may weaken with tree life-stage.
      
Species-environment relationships and vegetation patterns: effects of spatial scale and tree life-stage
      
The highest values in organic C (26.6%), total N (1.34%) and available P (45.39?ppm) were recorded in surface soils of the mixed forest (2,210?m a.s.l.) including all three tree life forms, i.e.
      
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In the artical base on tree life room dwelling-drawing room of Northwestern College of Forestry, proceed with a serious of funiture design and its arrangement.

以西北林学院乙丙楼三居室职工住宅为给定的建筑空间,以客厅为重点,进行家具配套设计与陈设布置。

Crown is a key part of tree. It's the main place that photosynthesis has been taken place. It's also the important energy sources that tree need to grow. So, some researchers often study how to monitor growth of tree, predict trees' life increment and judge the quality of wood, and so on by using remote sensing technique. The appearance of commercial high-resolution satellite data supplies new resources for people to study crown structure of a tree by using remote sensing...

Crown is a key part of tree. It's the main place that photosynthesis has been taken place. It's also the important energy sources that tree need to grow. So, some researchers often study how to monitor growth of tree, predict trees' life increment and judge the quality of wood, and so on by using remote sensing technique. The appearance of commercial high-resolution satellite data supplies new resources for people to study crown structure of a tree by using remote sensing technique. In this paper, method to detecting tree crown by using QuickBird image that covers the demonstration has been studied. Base on image process, Object-Oriented image analysis method has been taken. The tree crown has been effectively extracted from the QuickBird image by using Fuzzy Classification method that bases on samples. At the same time, it can give some experiment to process high spatial resolution satellite image and make a strong base for promoting the application of high-resolution satellite image in forestry and entironment construction of our country.

树冠是树木的重要组成部分,是树木进行光合作用的重要场所,是其生长所需能量的重要来源之一,因而人们常常通过对树冠的研究来监测树木的长势、预测树木的生物量,甚至判定木材的材性等。商用高空间分辨率卫星数据的出现,为人们利用遥感技术研究树冠结构提供了新的数据源。以覆盖实验区的QuickBird数据为例,开展了基于高空间分辨率的卫星影像树冠大小信息提取方法的研究。在对QuickBird影像处理的基础上,采用面向对象的图像分析方法,通过基于样本的模糊分类方法有效地提取了影像中的树冠大小信息。同时,为推动高空间分辨率卫星影像在我国林业和生态环境建设中的应用打下了坚实基础。

 
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