نتایج جستجو برای: historical landscape
تعداد نتایج: 174233 فیلتر نتایج به سال:
Gene flow is a critical ecological process that must be maintained in order to counteract the detrimental effects of genetic drift in subdivided populations, with conservation benefits ranging from promoting the persistence of small populations to spreading adaptive traits in changing environments. We evaluated historical and contemporary gene flow and effective population sizes of leopards in ...
Climate variations and historical land use had a major impact on landscape development in the Brazilian Atlantic Forest (Mata Atlântica). In southeast Brazil, rainforest expanded under warm-humid climate conditions in the late Holocene, but have been dramatically reduced in historical times. Nevertheless, the numerous remaining forest fragments are of outstanding biological richness. In our res...
The paper illustrates the potentials of geospatial data to access a historical digital atlas for landscape analysis and territorial government. The experience of a historical geo-portal, the “Atl@nte dei Catasti Storici,” in the management of geo-referenced and non-geo-referenced maps—ancient cadastral and topographic maps of the Lombardy Region—can be considered a case study with common aspect...
Historical forest landscape dynamics include consideration of spatial and temporal distributions of forest conditions over recent history and also historical disturbance regimes. Understanding of historical landscape dynamics in these senses is relevant to planning future management of federal forest lands on both policy and ecological grounds. Although some particular elements of our policy fr...
the present research with historical and epistemological dimensions, firstly studies the perception of urban landscape and its position in environmental interventions and also as a tool for analyzing the city during three temporal periods from 1960 till 1980; then by surveying the works in the fields of photography and cinema, studies the position of artistic visualization in urban landscape. t...
Quality of urban areas and improvement of it have always been considered as one of the main issues in the process of urbanization. It might be possible to consider this importance as the result of fundamental changes in intellectual patterns during the past two decades in one side and its proposal in all aspects of human life on the other side though this is one of the main influential concepts...
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