Net Primary Productivity
A global analysis of the impact of drought on net primary productivity
... of 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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Fluoride Uptake and Net Primary Productivity of Selected Crops
... Crop field soil collected from Sambalpur University campus of Odisha and treated with various fluoride concentrations was used to raise selected local crops. Background concentration of total and leachable fluoride ...
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Carbon storage and net primary productivity in Canadian boreal mixedwood stands
... 1994 ; Roussopoulos and Loomis 1979 ; Ter-Mikaelian and Korzukhin 1997 ; Brassard et al. 2011 ). Oven-dried samples of litterfall, forest floor organic layer, shrubs, herbs and mosses and soil samples were weighed and ...
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Effects of Climate Warming on Net Primary Productivity in China During 1961–2010
... This Article is brought to you for free and open access by the Plant and Soil Sciences at UKnowledge. It has been accepted for inclusion in Plant and Soil Sciences Faculty Publications by an authorized administrator of ...
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Effects of vegetation heterogeneity and surface topography on spatial scaling of net primary productivity
... in net primary productivity (NPP) estimates made at a coarse spa- tial resolution based on sub-pixel information of vegetation heterogeneity and surface ...
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Mapping Net Primary Productivity of Peninsular Malaysia Forest Using Satellite Data
... the Net primary productivity ...the net flow of carbon from the atmosphere into plants (Christopher et ...the net carbon (C) input from the atmosphere into the vegetation (Kimmins, ...
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Fire intensity impacts on post-fire temperate coniferous forest net primary productivity
... post-fire net primary productivity, wildland fires on land- scape to regional scales have largely been assumed to either cause tree mortality, or conversely, cause no physiological impact, ignoring ...
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Impacts of Future Climate Change on Net Primary Productivity of Grassland in Inner Mongolia, China
... Net Primary Productivity (NPP) is the rate at which carbohydrates are accumulated in the plant’s tissue in an ecosystem, and usually, units of energy or biomass (per unit of area and per unit of ...
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Biomass and net primary productivity of mangrove communities along the Oligohaline zone of Sundarbans, Bangladesh
... Net primary productivity The mean biomass increment and mean litterfall was 7.1 and 10.1 Mg∙ha −1 ∙yr −1 , respectively for the mangrove com- munity (Table 4). One-year measurement is usually not ...
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Net primary productivity in Kazakhstan, its spatio-temporal patterns and relation to meteorological variables
... Modelling net primary productivity (NPP) and analysis of spatio-temporal patterns help to understand ecological functioning especially in these ...maximum productivity is reached in ...
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Ecohydrological Controls on Grass and Shrub Above-ground Net Primary Productivity in a Seasonally Dry Climate
... above-ground net primary productivity; P a , annual ...to productivity, such as nitrogen supply, under high rainfall conditions (Yahdjian et ...
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ISOTOPIC TRACERS FOR NET PRIMARY PRODUCTIVITY FOR A TERRESTRIAL ECOSYSTEM: A CASE STUDY OF THE VOLTA RIVER BASIN
... Department of Botany, University of Ghana, Legon, Ghana) Abstract The coupling effect of vapour release and CO 2 uptake during photosynthesis plays an important role in the carbon and hydrologic cycles. The water use ...
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Net primary productivity, upwelling and coastal currents in the Gulf of Ulloa, Baja California, M´exico
... Fig. 6. (a) Time series of net primary productivity (NPP, green shaded) with wind stress curl (WSC, blue solid line) for 2003–2007. (b) Time series of NPP (green shaded) with geostrophic alongshore ...
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Estimating Net Primary Productivity under Climate Change by Application of Global Forest Model (G4M)
... 2. Validation of current net primary productivity with MODIS data To validate NPP estimation from G4M, MODIS data from 2001 to 2010 was used. Temporal changes in NPP derived from G4M showed similar ...
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Assessment of Net Primary Productivity (NPP) of Forest Over Nainital District Using Remote Sensing
... and M. K. Hughes. 2001. “A large carbon sink in the woody biomass of northern forests”. P. Natl. Acad. Sci. U. S. A, Vol. 98: (No.14); pp. 784– 14,789. [19]. Nayak. R. K., Patel. N. R. and Dadhwal, V. K. 2010. ...
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Analysing the effect of drought on net primary productivity of tropical rainforests in Queensland using MODIS satellite imagery
... Toowoomba 4350 QLD Australia Email: [email protected] ABSTRACT The changing climate is characterised by increased frequency and severity of extreme weather events that include cyclones, drought, flooding, heatwaves and ...
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Annual net primary productivity of a cyanobacteria-dominated biological soil crust in the Gulf Savannah, Queensland, Australia
... 4.1 Seasonality and CO 2 balances Apart from a clear seasonal activity pattern of the cyanobacteria-dominated biocrust from Boodjamulla Na- tional Park, Queensland, only a minority of the year was actually suitable for ...
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An analysis of spatial and temporal variation of net primary productivity over Peninsular Malaysia using satellite data
... Introduction Net Primary Productivity (NPP) is the fundamental process in the biosphere functioning and is needed for assessing the carbon balance at regional and global ...
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Annual net primary productivity of a cyanobacteria-dominated biological soil crust in the Gulf savannah, Queensland, Australia
... 7 values from November suggests a CO 2 loss of roughly 88 mmol m -2 . Net primary productivity was determined as 1.7 g C m -2 yr -1 (2.8 g C m -2 yr -1 without Sept.-Oct. correction). Our results ...
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Net primary productivity of forest stands in New Hampshire estimated from Landsat and MODIS satellite data
... predict net primary productivity (NPP) fluxes using both Landsat 7 and MODIS imagery as a means to infer variability in tem- perate forests of the eastern United ...
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