English translation for "郁闭度"
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- canopy density
crown density
shade density
Related Translations:
郁闭: [林学] closing 短语和例子林冠郁闭 canopy closure 未郁闭: free growingfree-to-grow 林冠郁闭: canopy closureclose of leaf canopyclosing of leaf canopy 郁闭保持: maintenance of canopy
- Example Sentences:
| 1. | Quickly accurate determination method of forest land crown density based on arcview gis
支持下的林地郁闭度的快速精确测定方法 | | 2. | The results showed that plant height , crown breadth , leaf number , leaf breadth and sporophyll number of dryopteris crassirhizoma populations were influenced by forest crown density and light condition
结果表明：林分郁闭度和光照条件显著影响粗茎鳞毛蕨种群的株高、冠幅、叶片数量、叶片宽度、孢子叶数等形态指标。 | | 3. | Russula subnigricans hongo grows fast after shower in the later summer and early autumn when it was hot . they emerged in the forest stand in which crown density was 0 . 9 or so . soil ph was 5 . 75 , and fagaceae species dominated
每年在夏末秋初高温阵雨之后为发生盛期。发生地林间郁闭度0 . 9左右，土壤ph值5 . 75 ，其共生树种以壳斗科为主。 | | 4. | To certain monitoring area and the remote sensing ratio wave bands defined , by means of the criterion of mean residual sum of squares to carry on filtering of remote sensing factors , finally the important remote sensing wave bands influencing canopy density estimation are confirmed , meanwhile the operable software system is programmed
针对特定监测区域，对设置的遥感比值波段，采用平均残差平方和准则进行筛选，最终确定对郁闭度估测有一定影响的遥感波段，并形成可操作的软件系统。 | | 5. | According to the law of different forest stand can arise different forest fire , based on the existing forest distribution at the badaling forestry center , the area percentage of different forest types , forest age , crown density and slope for each sub - compartment were analyzed , and based on the different characteristics of each sub - compartment , some rational methods of fire prevention were put forward
摘要本论文基于不同的林分能引起不同的林火特性规律，针对北京八达岭林场林分状况，统计分析了各林班不同林分类型、林龄、郁闭度、坡度的面积分布百分比，根据不同林班林分特点，提出了合理的营林防火措施。 | | 6. | The close canopy of fragmental evergreen broadleaved forest community is less than the one of continuous evergreen broadleaved forest , and the plant species of fragmental evergreen broadleaved forest community are also less than those of continuous evergreen broadleaved forest , and there are some conifers in the fragmental evergreen broadleaved forests
群落郁闭度不如连续森林大，植物种类也不如连续森林丰富，而且其中夹杂着一些针叶树。常绿成分种类组成不如连续森林丰富，针叶成分数量上较连续森林的多。 | | 7. | At first , the relations between vegetation structures and their controlling soil erosion are discussed . the results show that magnitude of plant community coverage or canopy closure is n ' t certainly the adequate condition of an anti - erosive effective community because the community function of soil and water conservation is related to height of coverage layer as well as community coverage or canopy closure
首先，讨论了植被结构与其防止土壤侵蚀作用的关系，结果表明，植被盖度或郁闭度的大小并不一定就是防蚀有效植被的充分条件，植被保持水土功能还与覆盖层的高度密切相关，覆盖层高度大并不有利于植被保持水土。 | | 8. | Mongolica young stand , secondary natural forest , and the mixed forest of larix olgensis and fraxinus mandshurica rupr . . countermeasures for controlling soil degradation were also recommended . the study got following results : ( 1 ) from young stand to mid - age of larix olgensis , with the closure of canopy and the decrease of undergrowth vegetation cover , soil acidity , enzyme activity , total inorganic phosphorus , available k , soil moisture and total porosity decreased significantly ; while soil organic matter content , humus component content , the amount of three main types of microbes , acid phosphatase activity , and bulk density in rhizosphere soil and non - rhizosphere soil increased with the increase of the amount of forest floor litter ; from mid - age stand to near mature stand , with the decrease of stand density and crown cover as well as the restoration of undergrowth vegetation after preliminary thinning , soil organic matter content , fulvic acid , exchangeable acidity , exchangeable aluminium , neutral phosphatase activity , total amount of inorganic phosphorus , the amount of actinomycetes , soil moisture , and total porosity in rhizosphere soil and non - rhizosphere soil apparently increased ; from near matu re stand to mature stand , soil activity acidity , organic matter content , humus component content , available phosphorus , total amount of amino acid , available k , soil enzyme activity , soil moisture , and total porosity in rhizosphere soil and non - rhizosphere soil decreased , but total phosphorus , soil acidity ( in particular , exchangeable aluminium ) , and bulk density increased
结果表明： ( 1 )从落叶松幼龄林到中龄林，随着林冠的郁闭和林下植被盖度的急剧下降，林地土壤酸度、土壤酶活性、无机磷总量、速效钾、土壤水分含量、总孔隙度呈明显下降趋势，而根际和非根际土壤有机质含量、腐殖质各组分含量、三大类微生物数量、酸性磷酸酶活性和土壤容重随着凋落物的增加呈明显上升趋势；从中龄林到近熟林，由于抚育间伐，林分密度及郁闭度下降，林下植被盖度逐步得到恢复，根际与非根际土壤有机质含量、富里酸、交换性酸、交换性铝、中性磷酸酶、无机磷总量、放线菌数量、土壤水分含量、总孔隙度呈明显的上升趋势；从近熟林到成熟林，随着林龄的增大，根际与非根际土壤活性酸、有机质含量、腐殖质各组分含量、有效磷含量、氨基酸总量、速效钾、土壤酶的活性、土壤水分含量和总孔隙度呈下降趋势，而根际与非根际土壤全磷含量、土壤酸度(特别是交换性铝)和容重呈增加趋势。 | | 9. | 1 . based on the data of analysis , using theories and methods of mathematical statistics , two of interception models by canopy of picea crassifolia are established as follows : the regression model on the relationship between penetration rainfall ( p , ) inside forest and total rainfall ( p ) outside of forest : pj = 0 . 8245p - 1 . 372 ( r = 0 . 99 ) ; the model on the relationship between interception rate ( ir ) and rainfall : ir = - 10 . 7111n ( p ) . ( r = 0 . 7524 ) the results show that penetration rainfall inside forest increases with total rainfall outside of forest in linearity , and to certain extent , penetration rainfall inside by canopy also increases with total rainfall outside ; the correlations of the interception rate to rainfall and intensity of rainfall are significant and the intercepted rate by canopy of picea crassifrlia is diminished with the increase of rainfall and rainfall intensity , and increase with the increase of canopy density
1在利用数理统计原理和方法对实测资料进行综合分析的基础上，建立了青海云杉林林冠截留降水模型：林内透过雨量与降雨量回归模型： p _ i = 0 . 8245p - 1 . 372 ( r = 0 . 99 ) ；林冠的截留率与降雨量的模型： i _ r = - 10 . 711ln ( p ) ( r = 0 . 7524 ) ；分析模型表明：林内透过雨量与降雨量呈良好的线性关系，在一定的降雨量范围内，林内透过雨量随降雨量的增加而增加；林冠截留率与降雨量、降雨强度之间也呈良好的关系，林冠截留率随降雨量和降雨强度的增大而减小，随郁闭度的增加而增大。 |
- Similar Words：
- "郁保四" English translation, "郁蔽" English translation, "郁闭" English translation, "郁闭保持" English translation, "郁闭的幼龄林" English translation, "郁闭林分" English translation, "郁闭群丛" English translation, "郁闭群落" English translation, "郁闭群系" English translation, "郁闭群系, 密生群系" English translation
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