Defoliation produced by abiotic factors and the subsequent re-growth can reduce sugar beet (Beta vulgaris L.) sucrose content and final sugar yield. Field experiments were conducted during 2003 and 2004 growing seasons in the farm of Hellenic Sugar Industry SA, Larissa factory, central Greece. Three sugar beet cultivars (Rival, Europa and Corsica) were ordinary irrigated till the beginning of J...

Plant species diversity in Jokhaneh plain and the southern slope of Nil Mt. is investigated in order to determine the flora and life forms and chorotypes of plants in this area. The studied area is located in Kohgilouyeh va Boyerahmad province, covers 22’475 hectares and its average elevation is 2’315 m above sea level. In spite of a few studies in this region, broad knowledge of the flora of t...

introduction several methods have been developed to aid in selecting a network of biodiversity protected areas. one of these methods is artificial intelligence which includes a number of different computer algorithms that use an objective function to find the best solution. an algorithm is a mathematical process or a set of rules used for problem solving. recently, site selection algorithms hav...

chrysomya bezziana villeneuve is the most important fly, which produces myiasis, exists as an obligate ectoparasite in the ani­mals, and afflicts human. poor hygiene and working in contaminated areas particularly during warm seasons provide a situa­tion to infest by this parasite. infestation in human and livestock are often observed in wounds, normal body orifices such as eyes, ears, nose, and...

introduction land use and land cover change (lucc) is a complex issue resulted from biophysical, socio-economic, cultural, organizational and technological factors in different spatial and temporal scales. lucc considered as an important threat to biodiversity as causing the fragmentation, natural vegetation destruction and natural areas isolation the regions which managed by environmental prot...

OBJECTIVE Influenza-associated myositis (IAM), characterized by severe lower-extremity myalgia and reluctance to walk, is a complication of influenza among children. We investigated IAM in Nebraska during six influenza seasons, 2001-2007. METHODS During 2006-2007, we requested reports of severe influenza illness among persons aged <18 years and investigated medical records to identify and con...