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Gross primary productivity

Global evaluation of gross primary productivity in the JULES land surface model v3.4.1

Global evaluation of gross primary productivity in the JULES land surface model v3.4.1

... Abstract. This study evaluates the ability of the JULES land surface model (LSM) to simulate gross primary productivity (GPP) on regional and global scales for 2001–2010. Model simulations, performed ...

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Soil water retention and gross primary productivity in the Zábrod area in the Šumava Mts

Soil water retention and gross primary productivity in the Zábrod area in the Šumava Mts

... the gross primary productivity P t ) is proportional to the entropy production e L ...net primary produc- tivity increases with warmer mean air temperature and annual ...the gross (or ...

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The design of a Space-borne multispectral canopy LiDAR to estimate global carbon stock and gross primary productivity

The design of a Space-borne multispectral canopy LiDAR to estimate global carbon stock and gross primary productivity

... Understanding the dynamics of the global carbon cycle is one of the most challenging issues for the scientific community. The ability to measure the magnitude of terrestrial carbon sinks as well as monitoring the short ...

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Attributing regional trends of evapotranspiration and gross primary productivity with remote sensing: a case study in the North China Plain

Attributing regional trends of evapotranspiration and gross primary productivity with remote sensing: a case study in the North China Plain

... Without adaptation measures, climate change is shown to ex- ert negative effects on the productivity of cropping systems in the NCP during the last 3 decades (Mo et al., 2013; Liu et al, 2010). Changes in ...

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On estimating the gross primary productivity of Mediterranean grasslands under different fertilization regimes using vegetation indices and hyperspectral reflectance

On estimating the gross primary productivity of Mediterranean grasslands under different fertilization regimes using vegetation indices and hyperspectral reflectance

... The vegetation indices selected in the Hyp-VIs and S2-VIs models are known to represent different properties of vegetation, specifically: the green fraction of the leaf area GNDVI and ND[r] ...

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Estimating global gross primary productivity using chlorophyll fluorescence and a data assimilation system with the BETHY SCOPE model

Estimating global gross primary productivity using chlorophyll fluorescence and a data assimilation system with the BETHY SCOPE model

... well as provide a better representation of ecosystem func- tion. We highlight that the improvement in fit following the assimilation occurs given equivalent LAI fields. Overall, as- sessing the optimized model in this ...

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The importance of grazing food chain for energy flow and production in three intertidal sand bottom communities of the northern Wadden Sea

The importance of grazing food chain for energy flow and production in three intertidal sand bottom communities of the northern Wadden Sea

... Gross primary productivity a: of phytoplankton (Arenicola-flat: straight line, seagrass-bed: dotted line); b: of microphytobenthos (Arenicola-flat: straight line, seagrass-be[r] ...

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Kayal and Kappil estuary. The study is particularly

Kayal and Kappil estuary. The study is particularly

... of primary productivity especially in polluted areas (Nair et ...study, gross primary productivity was high in premonsoon coincided with the high phytoplankton production and low GPP in ...

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A Comparative Analysis of Productivity Measurements for Five European Countries

A Comparative Analysis of Productivity Measurements for Five European Countries

... As we have shown, the countries chosen for the analysis differ in size, population, GDP and economic growth levels, they face both common problems like labour force aging, susceptibility to the vulnerability of the ...

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Another Approach to Evaluating the Productivity of Value Added Tax in Nigeria

Another Approach to Evaluating the Productivity of Value Added Tax in Nigeria

... the productivity of value added tax [VAT] on total consumption expenditure [TCE] and on gross domestic product [GDP] which determines the level of economic growth in ...Nigeria. Productivity was ...

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Impact of gastro-oesophageal reflux disease on work productivity despite therapy with proton pump inhibitors in Germany

Impact of gastro-oesophageal reflux disease on work productivity despite therapy with proton pump inhibitors in Germany

... on productivity and has become a stan- dard tool for the evaluation of work productivity [8, ...their productivity (per- centage reduction in productivity at ...work productivity score ...

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PRIMARY EDUCATION IN INDIA

PRIMARY EDUCATION IN INDIA

... that primary school attendance grew for both boys and girls in the age range 6-11, indeed, more rapidly for girls and completion rates for 12 year old children ...of primary education in ...completing ...

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Misalignment of productivity and wages across regions? Evidence from Belgian matched panel data  National Bank of Belgium Working Paper No  300

Misalignment of productivity and wages across regions? Evidence from Belgian matched panel data National Bank of Belgium Working Paper No 300

... these productivity-wage gaps may discourage firms from employing specific categories of workers, such as the lower educated or older ones (Cardoso et ...that productivity- wage gaps may be at the root of ...

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Energy in Europe  March No 12  1989

Energy in Europe March No 12 1989

... Electricity Total gross generation Total net production Generation primary Generation derived Generation nuclear Generation conv.thermal Gross inland consumption Available internal marke[r] ...

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Primary Productivity of Phytoplankton of Mahakali River, Nepal

Primary Productivity of Phytoplankton of Mahakali River, Nepal

... Among the biotic components of an aquatic ecosystem, plankton community plays an important role in the productivity of any water body. The water temperature is one of the most important factor which influences the ...

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Economics of Brinjal Production in South Gujarat

Economics of Brinjal Production in South Gujarat

... and productivity of brinjal were positive and significant in South Gujarat but these were non-significant in all the three selected districts except CGR of productivity in Surat district which was ...

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AGRICULTURAL DEVELOPMENT DURING PLAN ERA IN INDIA Dr. C. Vasudevulu Naidu*, Dr. G. Prathap** & Dr. V. Ramesh Babu***

AGRICULTURAL DEVELOPMENT DURING PLAN ERA IN INDIA Dr. C. Vasudevulu Naidu*, Dr. G. Prathap** & Dr. V. Ramesh Babu***

... Agriculture plays predominant role in Indian economy. Post the success of Green Revolution, Indian agriculture has become cereal-centric, regionally-biased and input-intensive (land, water, and fertilizer) also, rapidly ...

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Impact of icebergs on net primary productivity in the Southern Ocean

Impact of icebergs on net primary productivity in the Southern Ocean

... both productivity and iceberg presence are ...of productivity in most part of the SO, although their impact varies in different ecologi- cal ...that primary production is limited by macronutrients ...

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Causes and Consequences of a Collapsing Food Web in Lake huron

Causes and Consequences of a Collapsing Food Web in Lake huron

... stop primary production from occurring, thus the community would ...of primary producers in the system would eventually lead to system ...system, primary producers fundamentally control the biomass ...

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A global analysis of the impact of drought on net primary productivity

A global analysis of the impact of drought on net primary productivity

... net primary productivity (NPP) from 1997 to 2009, using the standardized precipitation evapotranspira- tion index (SPEI) drought index and satellite-derived vege- tation greenness converted to ...

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