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Displaying 431 - 435 of 1605Impact of terrain attributes, parent material and soil types on gully erosion
Gully erosion is a worldwide matter of concern because of the irreversible losses of fertile land, which often have severe environmental, economic and social consequences. While most of the studies on the gullying process have investigated the involved mechanisms (either overland flow incision, seepage or piping erosion), only few have been conducted on the controlling factors of gully wall retreat, an important, if not the dominant, land degradation process and sediment source in river systems.
Gendered impacts of the 2007–2008 food price crisis: Evidence using panel data from rural Ethiopia
This paper provides empirical evidence on the gendered impact of the 2007–2008 food price crisis using panel data on 1400 households from rural Ethiopia that were initially surveyed before the onset of the crisis, in 1994–1995, 1997, and 2004, and after food prices spiked, in 2009. It investigates whether female-headed households are more likely to report experiencing a food price shock, and whether female-headed households experiencing a shock are more (or less) likely to adopt certain coping strategies, controlling for individual, household, and community characteristics.
Differentiating the relative importance of land cover change and geomorphic processes on fine sediment sequestration in a logged watershed
Timber harvest often results in accelerated soil erosion and subsequent elevated fine (
Riparian buffer located in an upland landscape position does not enhance nitrate-nitrogen removal
Relatively narrow (
hidden nature of parent material in soils of Italian mountain ecosystems
Soils with andic features are known to be very important as regards both ecosystem fertility and susceptibility to land degradation. In recent years there has been an increasing number of finds of these soils in non-volcanic mountain ecosystems (NVME) in different parts of the world under different environmental settings. In Italian NVME there has been extensive investigation proving that these soils have a much wider distribution than previously thought. But despite these important findings, very little is known about their genesis or properties.