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Showing items 45919 through 45927 of 73419.People living in arid areas with highly variable rainfall, experience droughts and floods and often have insecure livelihoods. Small multi-purpose reservoirs are a widely used form of infrastructure for the provision of water.
Understanding the regulation of ecosystem CO2 flux from forage production systems requires knowledge of component fluxes, including photosynthetic uptake and respiratory loss.
Namibia is mostly an arid and semi-arid country with a high number of reptile and fewer amphibian species.
Farmers' access to and rights over seeds are the very pillars of agriculture, and thus represent an essential component of food sovereignty.
The failures of food security and other policies to guarantee the right to food motivate the calls for the radical reforms to the food system called for by food sovereignty.
The paper looks at two metrics of flood events: flood severity (related to flood frequency) and flood magnitude (related to flood severity, as above, but also to flood duration and affected area).
Land use change resulted in land degradation is a focus of research on global environmental changes and plays a significant role in the stability and economic development of oases in arid regions of China.
Identifying the primary causes and examining the processes and trends of land use change are crucial for land use planning, utilization of regional resources and environment management.
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