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Ordenar por: RelevânciaAutorTítuloAnoImprime registros no formato resumido
Registros recuperados: 4
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Identification and characterization of deforestation hot spots in Venezuela using MODIS satellite images Acta Amazonica
Pacheco,Carlos Eduardo; Aguado,María Inmaculada; Mollicone,Danilo.
Land cover changes over time as a result of human activity. Nowadays deforestation may be considered one of the main environmental problems. The objective of this study was to identify and characterize changes to forest cover in Venezuela between 2005-2010. Two maps of deforestation hot spots were generated on the basis of MODIS data, one using digital techniques and the other by means of direct visual interpretation by experts. These maps were validated against Landsat ETM+ images. The accuracy of the map obtained digitally was estimated by means of a confusion matrix. The overall accuracy of the maps obtained digitally was 92.5%. Expert opinions regarding the hot spots permitted the causes of deforestation to be identified. The main processes of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Monitoring; Land use; Land cover change.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672014000200004
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Linking Land Change with Driving Forces and Actors: Four Conceptual Models Ecology and Society
Hersperger, Anna M.; Land Use Dynamics Unit, Swiss Federal Research Institute WSL; anna.hersperger@wsl.ch; Gennaio, Maria-Pia; Swiss Federal Research Institute Agroscope ART; maria.gennaio@art.admin.ch; Verburg, Peter H.; Institute for Environmental Studies, VU University Amsterdam ; peter.verburg@ivm.vu.nl.
Tipo: Peer-Reviewed Reports Palavras-chave: Conceptualization; Guidelines; Land change modeling; Land cover change; Land use; Model selection; Organizational heuristic.
Ano: 2010
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Management Effectiveness and Land Cover Change in Dynamic Cultural Landscapes—Assessing a Central European Biosphere Reserve Ecology and Society
Ohnesorge, Bettina; Berlin-Brandenburg Academy of Sciences and Humanities; ohnesorge@bbaw.de.
Protected areas are a central pillar of efforts to safeguard biodiversity and ecosystem services, but their contribution to the conservation and management of European cultural landscapes that have complex spatial-temporal dynamics is unclear. The conservation strategy of biosphere reserves aims at integrating biodiversity and ecosystem service conservation with economic development by designating zones of differing protection and use intensities. It is applied worldwide to protect and manage valuable cultural landscapes. Using the example of a German biosphere reserve, we developed a framework to assess the effectiveness of Central European reserves in meeting their land cover related management goals. Based on digital biotope maps, we defined and...
Tipo: Peer-Reviewed Reports Palavras-chave: Biosphere reserve; Cultural landscape; Land cover change; Management effectiveness; Protected area.
Ano: 2013
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Systematic transitions in land use and land cover in a pre-Andean subwatershed with high human intervention in the Araucania Region, Chile Ciencia e Investigación Agraria
Saavedra Briones,Pablo; Sepúlveda-Varas,Alejandra.
P. Saavedra Briones, and A. Sepúlveda-Varas. 2016. Systematic transitions in land use and land cover in a pre-Andean subwatershed with high human intervention in the Araucania Region, Chile. Cien. Inv. Agr. 43(3):396-407. Historical studies of land use changes help us to understand the current configuration of the landscape and identify the environmental and social impacts that are associated with these transformations. Several authors describe the transitions as a process of change that transforms the landscape system; for systematic transitions, these transitions are driven by stable and gradual processes. The objective of this study is to determine the trajectory and magnitude of land use and land cover (LULC) change for the 1994-2007 period in a...
Tipo: Journal article Palavras-chave: Chile; Land cover change; Land use planning; LULC; Systematic transitions.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202016000300006
Registros recuperados: 4
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