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Showing items 41113 through 41121 of 73379.A multi-disciplinary research with integration of the theory and methods of climatic change and history was carried out in the southern Loess Plateau of China. High-resolution soil-sedimentary data define an abruptly increased climatic aridity at 3100 a B.P. on the southern Loess Plateau.
Human-induced desertification in the Horqin sandy land in the north-eastern part of China has been reversed since the mid-1970s through re-vegetation. This land cover change affects surface energy and water transfer processes.
Remote sensing digital image analysis is applied to monitor desertification processes in central San Luis Province (Argentina), where signs of severe landscape degradation have been observed in the last decades.
Countries of semi-arid West Africa are experiencing growing populations, expansion of cultivated land and intensification of crop and livestock production an ever-increasing burden on the region's limited natural resources, consequently increasing degradation rates.
Grasslands cover ˜30% of the Earth's terrestrial surface and provide many ecosystem services.
CONTEXT: Integrative mitigation and adaptation strategies are needed to counter climate change. Indicators can be valuable that focus on the specific relevance of cities’ socioeconomic and spatial properties.
TM/Landsat 5 images (TM1-TM5 and TM7 spectral bands) from Altamira PA, Brazil (07.20.1991) modified to 60, 100, 120, 200 and 250 m were utilized to evaluate the influence of the spatial resolution in the identification of Forest, Young secondary succession, Mature secondary succession and Non-for
The study aims at estimating comprehensive effects of non-farm employments (NFEs) onpoverty based on an intensive field survey conducted in 2008 on about 175 small landholding households in developed four villages of Comilla Sadar Upazila.
Ecological security evaluation is an important way to identify the need for improvement in a watershed and to assess the degree of regional sustainable development.
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