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Displaying 396 - 400 of 1605Connotative land degradation mapping: A knowledge-based approach to land degradation assessment
Land degradation mapping is a problem-solving task that aims to provide information for allocating budgets and materials to counter the deterioration of land resources. Typically, it entails the implementation of a set of indicators in a GIS to appraise the severity of land degradation across a territory. Nevertheless, the selection of these indicators has proved to be challenging in practice and often this selection reflects one particular and thus limited perspective of land degradation.
Impacts of Changing Climate and Climate Variability on Seed Production and Seed Industry
Agriculture is extremely sensitive to climate and weather conditions. The resilience of our crop production systems to changes in climate can be enhanced by improved understanding impacts and responses of crops to changing climates. Several countries in Asia and Africa are at the risk of losing about 280 million tons of potential cereal production as a result of climate change factor, particularly increasing temperatures and prolonged dry periods.
locally designed payment scheme for agricultural landscape services
Traditional nationwide agri-environmental policy measures are not always efficient to ensure the provision of environmental services that would match peoples’ preferences. This study suggests a landscape value trade (LVT) scheme to be locally implemented so as to ensure the supply of agricultural landscape attributes demanded by local citizens. The feasibility of LVT, a ‘user-financed’ payment for environmental services (PES) scheme, is analysed in a local case from the southern part of Finland. We examine the disposition of both landowners (sellers) as well as residents (buyers).
Ecological succession and land use changes in a lake retreat area (Main Ethiopian Rift Valley)
In the semi-arid Main Ethiopian Rift Valley, ecological succession is related to continuous lake retreat. Human activity, through its impact on land use and cover, affects this ecological succession at various degrees. Through a remote sensing study, we explored how the drivers for land use and cover changes (LUCC) have changed over the last decades and which impact this has on ecological succession.
Complexity of ecological restoration in China
Land degradation is a primary issue that affects environmental conservation and socioeconomic development. However, ecological restoration has complex and poorly understood consequences for the structure and composition of future ecosystems and socioeconomic systems. To illustrate the complexity of ecological restoration, we discuss the potential links between China's ongoing large-scale ecological restoration practices and the resulting changes of natural factors such as landscape characteristics, climate, and vegetation communities.