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Displaying 251 - 255 of 1195

Impact of land cover homogenization on the Corncrake (Crex crex) in traditional farmland

Journal Articles & Books
Décembre, 2015
Roumanie
Europe orientale

CONTEXT: The loss of landscape heterogeneity is causing declines of farmland biodiversity around the world. Traditional farmland regions are often highly heterogeneous and harbor high biodiversity, but are under threat of land cover homogenization due to changing agricultural practices. One species potentially affected by landscape homogenization is the Corncrake (Crex crex), which is threatened in Western Europe but remains widespread in the traditional farmland regions of Eastern Europe.

Long-term impacts of season of grazing on soil carbon sequestration and selected soil properties in the arid Eastern Cape, South Africa

Journal Articles & Books
Décembre, 2015
Afrique du Sud
Afrique australe

BACKGROUND AND AIMS: The Karoo biomes of South Africa are major feed resources for livestock farming, yet soil nutrient depletion and degradation is a major problem. The objective of this study was to assess impacts of long-term (>75 years) grazing during spring (SPG), summer (SUG), winter (WG) and exclosure (non-grazed control) treatments on soil nutrients, penetration resistance and infiltration tests.

Hydrosalinity and environmental land degradation assessment of the East Nile Delta region, Egypt

Journal Articles & Books
Décembre, 2015
Égypte

Environmental land degradation is a major impediment to the utilization of land in many arid and semi-arid regions of the World and is a major issue in the East Nile Delta (END), Egypt. Waterlogging and salt-affected soil problems have serious implications for irrigated areas leading to socio-economic and agricultural development problems.

Combining the effects of surrounding land-use and propagule pressure to predict the distribution of an invasive plant

Journal Articles & Books
Décembre, 2015

The distribution of invasive plants across a landscape is largely governed by disturbance invoking anthropogenic land-use practices and propagule pressure. However, spatial variability associated with anthropogenic disturbances and propagule pressure is seldom used to develop distribution models of invasive plants. This study makes use of large-scale survey data to develop a spatially explicit predictive model for the invasive wetland plant—purple loosestrife.

Adoption intensity of soil and water conservation technologies: a case of South Western Uganda

Journal Articles & Books
Décembre, 2015
Ouganda

Important signs of agricultural land quality deterioration are apparent in many countries, including declining yields and a switch to crops that demand fewer nutrients. This is despite efforts to curb land degradation rates through the years, including the attempt to promote use of soil and water conservation (SWC) technologies. This study was done in Kabale district in the South Western highlands of Uganda. Data analysis was done using cross-sectional data from 338 households.