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Displaying 316 - 320 of 1605Assessment of effects of best management practices on agricultural non-point source pollution in Xiangxi River watershed
Agricultural non-point source pollution (ANSP) is considered a major contributor to local water degradation in the Three Gorges Reservoir Area (TGRA) of China. The Xiangxi River, which is a first level anabranch of the Yangtze River, was selected for investigation of the effectiveness of selected best management measures (BMPs) to alleviate water pollution through analysis of several scenarios by SWAT (Soil and Water Assessment Tool).
Revisiting the forest transition theory with historical records and geospatial data: A case study from Mississippi (USA)
This study examines forest change processes, within the framework of forest transition theory (FTT), using Mississippi (USA) as a case study. The aim is to evaluate the assumption and theoretical basis of FTT with quantitative data, and to propose changes in forest management policy as a potential driver for reforestation. We compiled a number of historical records, geospatial data, and time series forest mapping products to reconstruct the last 100 years of forest trajectory. Forest changes are studied in relation to changes in society, over a range of temporal and spatial scales.
Performance of forest tree Khaya senegalensis (Desr.) A. Juss. under sewage effluent irrigation
The increasing demand of water in agriculture has compelled to search alternative source of water which could prove more economic and effective. Therefore, this investigation was carried out to study the effect of sewage effluents on Khaya senegalensis seedlings as well as on soil properties after 6, 12 and 18 months of plantation. The primary effluent treatment was highly significant (P
Markets for forestland use rights: A case study in Southern China
Although China still holds land in collective and state ownership, land use rights have been largely privatized. While transactions for forestland use rights have taken place for more than two decades, few detailed investigations of the transactions have been conducted. This study investigates 222 households in eight villages of Linan and Anji counties located within Zhejiang Province, and reports details of the transactions, their scope and motivation, and the characteristics of households participating in the market for forestland use rights.
Complex transformation of the geomorphic regime of channels in the forefield of the Moravskoslezské Beskydy Mts.: Case study of the Morávka River (Czech Republic)
This paper presents a complex analysis of both the contemporary and the historic development of the geomorphic regime of the transformed reach of the Morávka River in the Czech Carpathians. The assessment concentrates on the conditions and causes of the channel development in the last c. 200years compared with the state of European channels, especially those of the Carpathian zone. The Morávka R. pattern has undergone a rapid change in the last 50years, particularly in connection with the active channel narrowing and massive incision.