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Showing items 4573 through 4581 of 4615.
Since Karamoja is richly endowed with gold, marble, iron ore, tungsten, limestone, oil and gas, it has attracted many investors, in particular since the protracted armed conflicts in northern Uganda started fading away.
Grassland degradation not only results in soil degradation and severe decreases in land productivity, but also can promote the emission of soil carbon and nitrogen compounds as greenhouse gases into the atmosphere.
Aims: The aim is to determine the risk of transmission of BSE to humans and cattle through the application of sewage sludge to agricultural land. Methods and Results: A quantitative risk assessment based on the Source-Pathway-Receptor approach is developed.
Traditionally, management of rangelands is based on the successional theory for vegetation developed by Clements.
Grassland ecological migration project is implemented in Northwest China as an attempt to restore the deteriorative ecosystems. People are relocated from uninhabitable areas to immigrant areas, resulting in land use changes, which would significantly impact the ecological environment.
Water points provide excellent sites for studying overgrazing effects on plant communities in dry areas. Distance from water can be considered like a surrogate of grazing pressure being high near the water and low away from it.
The classification of land usage in mountain grassland bovine areas is important for the management of forage production and grazing in grass-based livestock systems.
Rangelands encompass 30-40% of Earth's land surface and support 1-2 billion people. Their predominant use is extensive livestock production by pastoralists and ranchers.
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