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51.478  Articles
1 of 5.149 pages  |  10  records  |  more records»
The anthropogenic activities on the environment cause topographic changes that have strong repercussions, some positive (afforestation, embankments) but other negative (deforestation, soil erosion, inning). The present study aims to analyze the current si... see more

The article represents the outcomes of our study materials on the branch of technogenic transformation of landscapes based on scientific methods. We have analyzed landscape ele- ments, such as relief, climate, vegetation, dynamics of forests, precipitatio... see more

The protection and preservation of natural environments, especially water resources, is a primary objective for national and global water services. The deterioration in groundwater quality is due to the effects of human activities: in particular industria... see more

The protection and preservation of natural environments, especially water resources, is a primary objective for national and global water services. The deterioration in groundwater quality is due to the effects of human activities: in particular industria... see more

This work analyses lead concentrations and isotope ratios 204Pb,206Pb,207Pb,208Pb, determined by leaching and total dissolution techniques from surface bottom sediment samples collected in the western sector of Sepetiba Bay, Rio de Janeiro (SE Brazil). Th... see more

The first studies regarding the constitution of the Araruama lagoonal system, located in the Rio de Janeiro state (SE Brazil), were carried out by Alberto Ribeiro Lamego. This author supported the thesis that it had resulted from the formation of a sand b... see more

The habitat of the neotropical otter (Lontra longicaudis) at La Vega Escondida Protected Area (LVPA), located in southern Tamaulipas, is surrounded by an expanding urban landscape. Wetlands in this region are under an intense pressure due to several ... see more

A number of activities occur around the Cikijing River in Rancaekek area, West Java, such as industrial and domestic activities. The various activities could decrease the quality of the river and surrounding environment due to anthropogenic pollutants tha... see more

Performance of photovoltaic generators is affected by, among other factors, surface dust deposition on photovoltaic modules, which causes uniform soft shading, reducing the solar radiation reaching photovoltaic cells. Several researches have demonstrated ... see more

1 of 5.149 pages  |  10  records  |  more records»