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Displaying 1071 - 1075 of 1195Post-classification comparison of land cover using multitemporal Landsat and ASTER imagery: the case of Kahramanmaraş, Turkey
This study assessed land cover (LC) changes in Kahramanmaraş (K.Maraş) and its environs by using multitemporal Landsat and ASTER imagery, respectively belong to 1989, 2000 and 2004. A priori defined nine land cover classes in the classification scheme were urban and built-up, forest, sparsely vegetated areas, grassland, vegetated stream beds, unvegetated stream beds, bare areas, crop fields, and water bodies. Individual classifications were employed using the combination of both unsupervised and supervised classification methods.
Resource Entitlement and Mobility of Pastoralists in the Yerer and Daketa Valleys, Eastern Ethiopia
Literature on the mobility of pastoralists and resource access is widely available, but conceptualization and understanding of the socioeconomic processes expected to affect the outcome are inconsistent. In this article, drawing on research conducted in the Yerer and Daketa Valleys, eastern Ethiopia, we use the notion of entitlements to examine how, under increasing pressure for resource access, various agro-pastoral households manage conflicting interests in common grazing resources.
Assessment of Trends in the Extent of Swidden in Southeast Asia
Swidden systems consisting of temporarily cultivated land and associated fallows often do not appear on land use maps or in statistical records. This is partly due to the fact that swidden is a diverse and dynamic land use system that is difficult to map and partly because of the practice of grouping land covers associated with swidden systems into land use or land cover categories that are not self-evidently linked to swiddening. Additionally, in many parts of Southeast Asia swidden systems have changed or are in the process of changing into other land use systems.
Change detection of sandy land areas in Minfeng oasis of Xinjiang, China
In recent years, much attention has been given to desertification in Xinjiang, China, particularly in the southern edge of the Taklimakan Desert. In this study, an oasis in Minfeng County, which is located in the southern edges of the Taklimakan Desert, was chosen as our case study area. Supervised classification for land types was conducted, and then the change detection and the trend of changes in sandy land areas were analyzed and compared. The results show that the area of sandy land has decreased in the region in the period of 1992-2001.
Spatiotemporal changes of landscape pattern in response to deforestation in Northeastern Turkey: a case study in Rize
Recognition and understanding of landscape dynamics as a historical legacy of disturbances are necessary for sustainable management of forest ecosystems. This study analyzes spatial and temporal changes in land use and forest cover patterns in a typical mountain forest area in Rize Forest Enterprise of the Northeastern part of Turkey. The area is investigated by evaluated the temporal changes of spatial structure of forest conditions through spatial analysis of forest cover type maps from 1984 and 2007 using GIS and FRAGSTATS[trade mark sign].