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1)  aboveground biomass of plant community
草群地上生物量
2)  grassland aboveground biomass
草地地上生物量
1.
Remotely sensed dynamics monitoring of grassland aboveground biomass and carrying capacity during 2001-2008 in Gannan pastoral area
2001-2008年甘南牧区草地地上生物量与载畜量遥感动态监测
3)  Grassland biomass
草地生物量
1.
And grassland biomass is the main criteria to reflect and assess o grassland ecosystem.
当前,利用遥感技术监测天然草地生物量已成为国际草地科学研究的前沿课题,但是研究结果差异很大,究竟何种植被指数与何种关系模型更适合监测区域草地生物量,是当代草地遥感科学急需解决的问题。
2.
A remote sensing model for grass aboveground dry matter biomass monitoring was constructed from the MODIS vegetation indices in 2006—2008 and with dry matter information from field survey during the same time,to estimate the grassland biomass(both aboveground and underground) during 2006—2008 in Gannan Prefecture based on the average root-shoot ratio of seven types of grassland in several years.
根据七种草地类型多年平均根冠比对2006-2008年甘南草地生物量(地上+地下部分)进行了估算,比较了不同时间尺度下的模拟效果,绘制了甘南草地生物量空间分布图,分析了不同地区、海拔高度和草地类型的草地生物量特征,探讨了甘南地区草地生物量的年际变化。
3.
In this paper,we used a simple regulated model to explore long term trends in China\'s grassland biomass and its spatial and temporal pattern,using a time series data set for the Normalized Difference Vegetation Index(NDVI) for maximum growth season(July 15th to August 15th) from 1982 to 2003,together with ground truth biomass data during 1991-1994 and 2002-2003 and historical climate data.
论文结合草地生物量调查资料、对应时段NDVI数据,分析了1982—2003年不同时期我国草地生物量空间格局变化特征及其与气候变化的关系。
4)  grassland biomes
草地生物群落
5)  above-ground biomass
地上生物量
1.
The plant community characteristics of different natural restoration grasslands and above-ground biomass were calculated.
采用TWINSPAN分类法对黄土丘陵沟壑区吴起县双树沟流域30个自然恢复草地植被进行分类,并对分类后各植被群落特征和地上生物量进行统计分析。
2.
Combining field investigation results with the constructed bi-factorial power regression models, we drew such conclusions as follows: 1) There was not significant difference in the above-ground biomass density of Fargesia nitida between calculated by r.
测量75株标准竹,建立各龄级华西箭竹地上生物量、地上各构件生物量关于基径和高度的一元和二元回归方程。
3.
First,correlation between original spectral,hyperspectral feature variables and above-ground biomass of natural grassland was analysed.
在进行天然草地地上生物量与原始光谱和高光谱特征变量相关分析的基础上,将观测数据分成两组:一组观测数据作为训练样本,运用单变量线性、非线性和逐步回归分析方法,建立生物量高光谱遥感估算模型;另一组观测数据作为检验样本,进行精度检验。
6)  biomass [英]['baɪəʊmæs]  [美]['baɪo'mæs]
地上生物量
1.
Effect of Nitrogen Fertilizer on Biomass and the Important Values of the Main Species in Degraded Grassland
施氮对退化天然草地主要物种地上生物量和重要值的影响
2.
Influence of rainfall in growing season and clipping intensity on aboveground biomass of Leymus chinensis steppe
生长季降水量和刈割强度对羊草群落地上生物量的影响
3.
Taking the TM remote sensing image in August,2003 and 2004 as the data resource,combining with the ground survey data in the corresponding period,it is analyzed the effects of withdrawing graze and returning to the grassland from vegetation cover,vegetal composition and biomass on the ground etc.
本文选取了内蒙古镶黄旗为研究区域,以2003年8月份和2004年8月份的TM遥感影像为数据源,结合对应时期的地面调查数据,从植被盖度、植物类组成、地上生物量等方面对内蒙古镶黄旗退牧还草工程的实施效果进行了分析。
补充资料:生物量
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性质:就是一个群体活质(如称活性物质,例如活的细胞等等)的质量。通常是以在该群体所赖以生存的单位面积或单位体积的栖息场所中所含的活质的干质量来表示,例如g/cm2或g/L等等。

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