Search results for "Oil type"

showing 2 items of 62 documents

Determinants of the interannual relationships between remote sensed photosynthetic activity and rainfall in tropical Africa

2007

International audience; The response of photosynthetic activity to interannual rainfall variations in Africa South of the Sahara is examined using 20 years (1981-2000) of Normalised Difference Vegetation Index (NDVI) AVHRR data. Linear correlations and regressions were computed between annual NDVI and annual rainfall at a 0.5° latitude/longitude resolution, based on two gridded precipitation datasets (Climate Prediction Center Merged Analysis of Precipitation [CMAP] and Climatic Research Unit [CRU]). The spatial patterns were then examined to detect how they relate to the mean annual rainfall amounts, land-cover types as from the Global Land Cover 2000 data set, soil properties and soil typ…

rainfall use efficiencyNDVIinterannual variabilitySoil ScienceLand coverprecipitationSpatial distributionNormalized Difference Vegetation IndexLatituderemote sensing[SDU.STU.CL] Sciences of the Universe [physics]/Earth Sciences/Climatologyland coverVegetation indexvegetationRainfall rateWest Africa[ SDE.MCG.CG ] Environmental Sciences/Global Changes/domain_sde.mcg.cgSpatial distributionPrecipitationComputers in Earth SciencesclimateClimatic conditionphotosynthesisspatial variations[SDE.MCG.CG] Environmental Sciences/Global Changes/domain_sde.mcg.cgGeologyVegetationAridClimatic dataClimatologysoil propertiescorrelationAfricaSpatial ecologyEnvironmental sciencesoil typesregression[ SDU.STU.CL ] Sciences of the Universe [physics]/Earth Sciences/ClimatologySouthern Africafire
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Potential effects of transgenic cotton on soil ecosystem processes in Vietnam.

2008

This chapter concentrates on the potential effects of transgenic cotton on the soil ecosystem of three major cotton growing areas in Vietnam: the coastal lowlands region, the central highlands (eastern and western Truong Son Mountain Range) and the south-eastern region. Soils in these three regions are very different, so it will be necessary to assess the effects of transgenic cotton on typical soils from all three regions. The soils in the south-eastern region are Luvisols, Andosols and Acrisols. In the central highlands, the soils are mainly Luvisols, Rhodic Ferrasols and Haplic Acrisols. The soils in the coastal lowlands region are mainly delta soils, consolidated occasionally by grey li…

symbiosidecompositionFerralsolrisk assessmentLuvisoldelta soilcottonmonitoringlowland areacoastal areasoil typetransgenic plants.Bacillus thuringiensis soil biodiversity cry Toxins AcrisolAndosolhighland
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