Article in German, Abstracts in English, German and French.This article analyses the importance of an historical view of nature in the works of Alexander von Humboldt.In several of his first writings, Humboldt seems to outline the importance of what one may call history of nature.But even before his famous American travel, his position changed and
This study examines how economic marginalization and weak governance fuel criminal activities, leading to violent confrontations between security forces and oil thieves, using the Frustration-Aggression Theory.Crude oil theft in Delta State poses significant threats to internal security, contributing to economic losses, environmental degradation, a
Urine concentrations of neopterin, a marker for the activation of cellular immunity, were determined concomitantly with a large panel of hematological and immunological variables on Sound meters 24 women with gynaecological cancers (12 uterine cervix, 5 endometrium, 7 ovary).There were 14 women investigated at first diagnosis of carcinoma, and 10 w
In this work, using GPS which has best accuracy that can be established set of GCPs, also two satellite images can be used, first with high resolution QuickBird, and second has low resolution Landsat image and topographic maps with 1:100,000 and 1:250,000 scales.The implementing of these factors (GPS, two satellite images, different scales for topo