light use efficiency

The model uses the concept of light use efficiency (LUE), while change of air temperature, plant-water deficits and respiration reduce the efficiency of light usage, and the model is modified to couple with the ecology model to better represent regional environmental characteristics of the semi-arid grasslands.

采用MODIS遥感数据,针对内蒙古半干旱草场生态环境特征,以光能利用率模型为基础与生态模型相结合,研究区域尺度下半干旱草地净第一性生产力遥感模型;利用草场植物生长过程中从光合和呼吸作用出发的NPP遥感模型与从植物生物量和衰败量变化出发的GNPP模型的估算值之间构建代价函数,有效地对模型参数进行估算和校正;模型考虑了气温和植物水胁迫的影响,以及时空尺度的差异,并充分利用遥感反演的参数来驱动。

Using remote sensing data and ground meteorological station data,we estimated NPP of grassland during the grow-ing season from 1982 to 2003 in Inner Mongolia using the light use efficiency model proposed by Montieth in 1972,and calculated sever.

本文利用卫星遥感资料和地面气象观测资料,利用光能利用率模型估算了内蒙古地区1982-2003年4-10月草地NPP,并计算了与NPP密切相关的几个气候因子,分析了1982-2003年内蒙古地区草地NPP年际性变化规律、气候因子的年际变化规律,以及草地NPP对主要气候因子的响应关系。

Photosynthetic carbon assimilating properties were studied in high yield hybrid rices Ⅱ You 129 and Shanyou 63 (as the check) from the point of view of the difference of their solar energy use efficiency .

从光能利用率差异的角度探讨了高产杂交籼稻Ⅱ优 12 9和对照汕优 6 3的光合碳同化特性。

As well as,based on both correlation analysis and path coefficient analysis,the authors concluded that decreasing temperature appropriately and increasing relative humidity could enhance its light utilization efficiency.

相关分析和通径分析结果表明,在洒金东瀛珊瑚的生长季内,适当降低温度和增加空气相对湿度,可提高其光能利用率。

Light utilization efficiency is highest in RDA,with respectively 18.

稻鸭萍共作生态系统光能利用率最高,比稻鸭共作生态系统和常规稻作系统分别提高18。

In order to protect and restore wetland ecosystem, and improve the amount of production of the wetland, the caloric, existent energy value, annual net primary productivity and efficiency for solar energy utilization were measured in a dominant plant community at Binjiang wetland, Zhenjiang in the year 2006.

芦苇热值在17953·24~18452·62J·g-1之间变化,虉草热值变化范围在17702·51~18291·72J·g-1之间;(2)全年群落能量现存量随时间而增加,并与生物量增长趋势相一致;(3)滨江湿地生态系统年能量净初级生产力为29355·06kJ·m-2·年-1,不同种群器官构件的能量生产与分配的季节动态也有差异;(4)芦苇、虉草种群的年光能利用率分别为1·30%和0·33%。

The author studies on the dynamics of energy production of dominant plants community and its efficiency for solar energy utilization in Binjiang Wetland.

结果显示,芦苇光能利用率4至6月份较大,而虉草3至4月份最大。

By application of method of ecology area, productivity of cotton and the sun light utilization rate of cotton in north of Xinjiang were worked out.

北疆棉花光合生物量最大光能利用率为7。

The experiment was conducted to optimize the sowing time of different population of Yumai 18, Lankaoaizao 8, Zhoumai 18, Yumai 49 in Henan, and to research the effect of different sowing time on photosynthetic function and filling rate, Solar energy utilization efficiency, yield of its population.

以河南省大面积播种的春性品种豫麦18、兰考矮早8,半冬性品种周麦18、豫麦49为实验材料,研究了不同播期对上述两类小麦群体发育、灌浆速率、光合性能、光能利用率、产量等方面的影响。

Primary Research on Light Utility Efficiency of Temperate Typical Grassland in Inner Mongolia;

内蒙古温带典型草原光能利用率初步研究

CHARACTERISTICS OF PHOTOSYNTHESIS AND PERCENTAGE OF SOLAR ENERGY UTILIZATION RATE OF HIGH-YIELDING MAIZE POPULATION IN MIDDLE YUNNAN PLATEAU

滇中高原高产玉米群体光合作用及光能利用率的特点

Relationship Between Photochemical Reflectance Index and Light Use Efficiency in Growth Duration of Wheat

小麦生长过程中光能利用率和光化学反射指数的相关性研究

Estimation of Chinese Terrestrial Net Primary Production Using LUE Model and MODIS Data;

基于MODIS数据和光能利用率模型的中国陆地净初级生产力估算研究

Estimation of Light Utilization Efficiency and Spatiotemporal Distribution in Beijing Based on NOAA Satellite Data

基于NOAA卫星数据的北京植被光能利用率及其时空格局

Effects of N,K Fertilization on the Relationship between Photosynthetic Light Use Efficiency and Photochemical Reflectance Index (PRI)

不同氮、钾施肥处理对小麦光能利用率和光化学植被指数(PRI)关系的影响

Study on Solar Energy Utilization and Regulate Machanism of Photosynthetic Efficiency of Cucumber in Solar-greenhouse;

日光温室黄瓜光能利用与光合效率调节机理的研究

Analysis of Bio-physical Controls on Light Use Efficiency in a Farmland Ecosystem

农田生态系统光能利用效率及其影响因子分析

EFFECTS OF SHADING ON THE PHOTOSYNTHETIC CHARACTERISTICS AND LIGHT USE EFFICIENCY OF PHELLODENDRON AMURENSE SEEDLINGS

遮阴对黄波罗幼苗的光合特性及光能利用效率的影响

Combined using three kinds of energy, the electricity, light and far infrared ray radiation, the thermal efficiency can reaches above 98%.

电能、光能、远红外辐射三能综合利用，热效率高达98%以上。

The Study of Utilization and Conversion Efficiency for Light Energy in Super-high Hybrid "Liangyoupeijiu" and Its Parents;

超级杂交稻两优培九及其亲本的光能利用及转化效率的研究

Spatiotemporal variations of crop radiation use efficiency and harvest index:Research progress

作物光能利用效率和收获指数时空变化研究进展

Effects of Limited Irrigation and Phosphorus on Leaf Photosynthesis and WUE of Winter Wheat

限量灌溉和施磷对冬小麦光合性能及水分利用效率的影响

Analysis on the influnce factors to utilizing efficiency of light and water for alfalfa

紫花苜蓿光能及叶片水分利用效率影响因子分析

Computational Method of Flyer Plates Kinetic Energy Efficiency Based on Laser Driving

一种基于激光驱动的飞片动能利用效率计算方法

Study on Light and Water Utilization Efficiency of Different Growing Year Alfalfa

不同生长年限紫花苜蓿光能和水分利用效率的研究

Engine Power Measuring System Based on Laser Speckle;

利用激光Speckle效应测试发动机功率

Study on Nutrient Use Efficiency in the Mixed Forest with Betula luminifera and Cunninghamia lanceolata

光皮桦杉木混交林养分利用效率研究