盖度

特别是在坡面灌草植被盖度已达到有效盖度时，依然实施荒坡整地造林工程，减少了径流、诱发了水土流失。

Especially when the grass cover degree is effective , bringing slope engineering measures into force may reduce runoff and induce soil erosion .

结果表明，人工植被恢复措施可有效提高沙丘的植被盖度和物种丰富度，多年生植物逐渐取代了一年生植物；

Results showed that artificial vegetation restoration could increase cover degree and species number remarkably ; perennial species replaced the annual species gradually ;

随着Zn覆盖度的增加，表面具有金属特性。

With increasing of Zn coverage , the surface exhibits metallic characterization .

在低覆盖度下Co纳米团簇沿衬底台阶方向形成二维阵列。

At the low coverage , Co nano clusters along the direction of substrate steps fonned a two-dimensional array .

生物因素和非生物因素调控着土壤CO2通量排放对植被盖度动态响应。

The regulation of biotic factors and abiotic factors to the response of soil CO2 efflux to plant coverage .

对于Nb（110）表面，氢分子和Nb表面的吸附作用随覆盖度变化较大。

For Nb ( 110 ) surface , the adsorption effect varies with coverage dramatically .

当CxO复盖度较大时，则为CO2的脱附。

When the degree of coverage of C_xO is higher , the rate-determining step may be the process of slow desorption of CO_2 .

土壤有机碳含量和全氮含量与植被盖度和草地生产力存在正相关趋势；土壤有机碳含量和全氮含量与土壤pH值和全盐量存在负相关趋势。

In addition , soil organic carbon and nitrogen contents showed positive linear correlations with plant cover and productivity and negative correlation trend with soil pH and total salt content .

结果表明，当吸附水含量使表面复盖度（θ）大于1时，在相应的Cp～T曲线上会出现吸附水的相变峰。

The results obtained show that when the amount of adsorbed water makes the surface coverage (θ) larger than 1 , the peak for phase transition of adsorbed water will appear on the C_p-T curves .

天山北坡LST反演与植被盖度关联分析研究

Study on Relationship of LST and Coverage of Vegetation in the North-Tianshan Mountain Areas

斑块大小、形状与斑块内苔藓层片生物量、物种多度、盖度、厚度等结构特征相关性达极显著（P0.01）。

The relationship between patch size , patch shape and bryophytes synusia characteristics such as thickness , cover , species number , II .

为了验证分析结果，用实测的植被盖度与四种算法反演的LAI进行了拟合。

For verifying the conclusion , a fitting between canopy closure and the LAI retrieved from four algorithms were made .

随着沙漠化的进展，群落盖度、密度、物种丰富度、生物量和相邻两个梯度间p多样性指数均呈下降趋势，地上生物量／地下生物量比值变化不大。

With the process of the sandy desertification , the coverage , density , number of species , biomass and diversity index of community decreased . The ratio of biomass aboveground - biomass underground did not changed significantly .

植被的平均高度、盖度、地上生物量和生物多样性指数与土壤养分成正相关关系（p0.05），与土壤容重成负相关关系。

All the plant average height , coverage aboveground biomass and biodiversity has positive correlative relationship with soil nutrient and negative correlative relationship with soil bulk density ( p0.05 ) .

不同区域的草本植被恢复到特定盖度有明显的时间分异，所需时间与区域NPP（植被净第一性生产力）值呈负相关。

The grassland vegetation restoration to the specific degree of coverage has the obvious time differentiation in the different regions .

在不同盖度下土壤稳定入渗率是不同的，跨热瓦尔玛和纳通河流域的fc值分别为0.1mm/min和0.017mm/min；

The steady infiltration rate is different for different vegetation , the rates are O. lmm / min and 0.017mm/min for two watersheds .

当阳极表面上CxO复盖度小时，含氧离子的放电是律速步骤。

When the degree of coverage of C_xO on the anode surface is low , the rate-determining step is the process of slow discharge of the oxygen-containing ions .

但当植被盖度超过70%、LAI超过4.8时，蒸发散的变化不再明显。

When vegetation coverage is higher than 70 % or LAI value greater than 4.8 , the increase in evapotranspiration is not evident .

在各土地类型的空间动态度Rss上，耕地变化速率最快，低覆盖度草地变化速率也较快，达到1.38%。

The cultivated land was the fast one in the rate of changing in the Rss . The low-covered grassland was also changed faster which get to 1.38 % .

在胁迫环境中，植物高-冠幅半径关系和盖度-密度关系决定了地上部分M-N关系。

Plant height-crown radius relationship and canopy-density relationship determine M-N relationship in stressful environment . 4 .

除了长城别苑（C3）的三层盖度和（Cs）为71%（较小）以外，其它8个小区的差别并不大（106%～122%）；

All the districts had little difference in Sum of three synusia coverage ( Cs ) ( 106 % ~ 122 % ) except Changcheng district ( C3 ) ( 71 % ) .

通过研究表明，基于水利部标准，在GIS技术和区域水土流失因子数据库支持下，通过改进坡度、盖度的计算方法完成大区域土壤侵蚀定性评价是比较适宜和可行的土壤侵蚀普查技术方法。

This study showed that with the help of GIS as well as regional soil erosion factor database , the more suitable and feasible way to finish big regional soil erosion quantitative assessment was to improve gradient and vegetation coverage calculation method . 2 .

介绍了在超高真空系统中利用开尔文探针电容电位差（CPD）方法，在低覆盖度下Au/GaAs和An/GaSb的界面研究工作。

The interface study on Au / GaSb and Au / GaAs at monolayer coverage in the UHV system by the Kelvin CPD method is presented .

F2与Si（100）2×1反应并不扰乱Si-Si二聚键，在F2入射平动能低时反应实际上在氟的复盖度为一个单层上停止进行。

Molecular fluorine reaction with Si ( 100 ) 2 × 1 does not perturb the Si-Si dimer bond and the reaction virtually ceases at one monolayer of F coverage for F_2 at low incident kinetic energy .

本实验结果与基于NDVI最大、最小值经验估算的植被盖度具有良好的相关性，相关系数高达0.9025。

There was a strong linear relationship between the results of this study and the one that was estimated via the minimum and maximum of NDVI . It correlation coefficient reached 0.9025 .

基于以上地面实测数据以及ASTER遥感数据，建立植被盖度经验模型。

Based on the data thus obtained from the above-described field measurement and the data obtained through ASTER remote sensing , the experiential model of vegetation fractional coverage is established .

基于75种记录的藓类植物及其盖度数据，应用双向指示种分析法（TWINSPAN）和除趋势对应分析（DCA）分析其分布格局。

Based on 75 recorded moss species and their coverage , Two-way Indicator Species Analysis ( TWINSPAN ) and Detrended Correspondence Analysis ( DCA ) were used to analyze their distribution patterns .

在非生物因素中，地表温度（0-5cm）和土壤表层含水量（0-6cm）及两者交互作用部分地调控着土壤CO2通量排放对植被盖度的响应。

Among the abiotic factors , the soil water content ( 0-6 cm ), soil temperature ( 0-5 cm ) and their interaction could partly regulate the response of soil CO2 efflux to plant coverage .

根据对野外调查数据用方差分析以及平均值比较等数学方法处理，获得丹顶鹤最佳觅食地的植被高度为60-120cm，植被盖度低于75%，植被密度低于600棵／m2，人类干扰距离大于500m。

Density lower than 600 plant / m2 , coverage 75 % , distance from human disturbance > 500m . The data of the best foraging area of the red-crowned crane were as follows : height of vegetation 60-120 cm ;

本文在对我国西南部分酸雨污染重区的树附生苔藓的种类、分布、盖度和频度的野外调查基础上，计算了各样点的大气净度指数（IAP）。

Based on field investigations of species of epiphytic bryophytes and their distribution , frequency and coverage in one of most polluted areas in southwest China , the IAP ( Index of Atmospheric Purity ) was calculated .