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Displaying 936 - 940 of 1605Impact of loess relief on land use mosaic in SE Poland
Land cover is one of the most changeable environment components in time and space. The type, intensity and spatial distribution of land use forms result directly from the actual and former character of agriculture. In this study, an attempt was made to assess the impact of loess relief on the spatial diversity of land use patch features. The research was carried out within three test areas covering a total of about 100km². The test areas are located within the loess areas of SE Poland. Spatial analyses were carried out using GIS software.
Spatial prediction of landslide hazards in Hoa Binh province (Vietnam): A comparative assessment of the efficacy of evidential belief functions and fuzzy logic models
The main objective of this study is to evaluate and compare the results of evidential belief functions and fuzzy logic models for spatial prediction of landslide hazards in the Hoa Binh province of Vietnam, using geographic information systems. First, a landslide inventory map showing the locations of 118 landslides that have occurred during the last ten years was constructed using data from various sources.
Health and living conditions of Palestinian refugees residing in camps and gatherings in Lebanon: a cross-sectional survey
BACKGROUND: Palestinian refugees have lived in camps and gatherings in Lebanon for more than 60 years. They are socially, politically, and economically disadvantaged as a result of discriminatory laws and decades of marginalisation, as shown by the absence of property rights and being banned from more than 30 occupations. In Palestinian refugee camps and gatherings, the provision of housing, water, electricity, refuse, and other services are inadequate and contribute to poor health.
Influence of development stage of spring oilseed rape and spring wheat on interception of wet-deposited radiocaesium and radiostrontium
The dry and wet deposition of radionuclides released into the atmosphere can be intercepted by vegetation in terrestrial ecosystems. The aim of this study was to quantify the interception of wet deposited ¹³⁴Cs and ⁸⁵Sr by spring oilseed rape (Brassíca napus L.) and spring wheat (Tríticum aestívum L.). The dependency of the intercepted fraction (f) on total above ground plant biomass, growing stage and the Leaf Area Index (LAI) was quantified. A trial was established in Uppsala (east central Sweden), with land management in accordance to common agricultural practices.
What impact might mitigation of diffuse nitrate pollution have on river water quality in a rural catchment?
Observations of river flow, river quality and solar radiation were collated to assess the degree to which light and nutrients may be limiting phytoplankton growth at seven sites in the River Ouse catchment in NE England under average conditions. Hydraulic information derived from river network model applications was then used to determine where river water has sufficient residence time above the tidal limit to facilitate bloom development. A nitrate model (NALTRACES) was developed to estimate the impact of land management change on mean river nitrate concentrations.