Land cover, a critical variable in the epidemiology of kala-azar, can be remotely characterized by customizing and integrating "state-of-the-art" imagery at different spatial scales from different sensors onboard satellites. A study was conducted at four levels (national, state, district and village) investigating the role of land use/land cover (LULC) for leishmaniasis transmission resulting in a framework highlighting the links between LULC and areas endemic for the disease. Distribution maps were analysed by a probabilistic approach (Bayesian classifier) which produced a set of "suitability estimates" based on the probability of sand fly presence. The development of a sound knowledge of each link in the predicted sequence of satellite views offering an extraordinary opportunity to support the mapping of kala-azar endemicity and stratification of areas suitable for sand fly habitats across the country as well as at the local scale.
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http://dx.doi.org/10.4081/gh.2012.136 | DOI Listing |
ScientificWorldJournal
January 2025
Department of Biological Sciences, University of Maroua, Maroua, Cameroon.
The land use/land cover in the Sudano-Sahelian area of Cameroon has been disturbed since these 3 decades resulting from the influence of anthropogenic factors. This study aimed to assess floristic diversity and the impacts of anthropogenic activities on the Pette forest massifs in the Pette Subdivision. The transect method (1000 × 20 m) was used for plant inventory, and Landsat images 5 TM (1990), 7 ETM+ (2005) and 8 OLI_TIRS (2020) were analysed to determine land cover.
View Article and Find Full Text PDFJ Environ Manage
December 2024
Department of Urban and Rural Planning, School of Landscape Architecture, Beijing Forestry University, Beijing, 100083, China. Electronic address:
Cropland changes are crucial aspects of land-use/land-cover changes (LUCC), which profoundly influence agricultural sustainability and terrestrial ecosystem health. In the context of dynamic shifts within the natural environment, coupled with the evolution of agricultural practices and the transformation of agrarian systems and policies, the trajectory of farmland alteration has exhibited significant divergence across various nations and regions. This article delves into the intriguing phenomenon of China's cropland migrating up to mountains and down to wetlands and analyses its spatiotemporal pattern evolution from 1990 to 2020.
View Article and Find Full Text PDFPLoS One
December 2024
Department of Geography, Central University of Tamil Nadu, School of Earth Sciences, Thiruvarur, Tamil Nadu, India.
Land use and land cover (LULC) changes are crucial in influencing regional climate patterns and environmental dynamics. However, the long-term impacts of these changes on climate variability in the Bilate River Basin remain poorly understood. This study examines the spatiotemporal changes in LULC and their influence on climate variability in the Bilate River Basin, Ethiopia, over the period from 1994 to 2024.
View Article and Find Full Text PDFEnviron Sci Pollut Res Int
December 2024
Department of Geography, HPT Arts and RYK Science College, Nashik, 422 005, Maharashtra, India.
Floods are one of the most catastrophic and widespread disasters that cause loss of lives, infrastructure, livelihoods, and people. Therefore, the identification and mapping of flood-prone areas is crucial for flood disaster management. The main objective of this study is to identify and map the potential flood areas of the Wardha Basin using frequency ratio (FR) and statistical index (SI) models.
View Article and Find Full Text PDFSci Rep
December 2024
Institute for Alpine Environment, Eurac Research, Drususallee/Viale Druso 1, Bolzano/Bozen, 39100, Italy.
Orchard meadows, a specific agroforestry system characterised by scattered high-stem fruit trees, are a traditional element of several cultural landscapes in Central Europe and provide important ecosystem services. Since the middle of the 20th century, orchard meadows have drastically declined across Europe. Spatial information on the drivers and patterns of such a decline in several regions in Central Europe is lacking.
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