Following the expansion of Christianity in to the Lake Tana region of Ethiopia in the fourteenth century, a large number of monasteries and churches were built in Lake Tana region. The monastery of Zege, whose foundation is attributed to Saint Betre Maryam, was one of these monasteries....

Information on both extent and pattern of variability as well as interrelationship, among characters is very essential in any crop improvement. This work showed that there were significant differences among the genotypes for all characters except leaf- let index which was non significant, indicating the existence of adequate genetic variability....

Summary Biogeography is the study of the distribution patterns of organisms. The biogeographical patterns associated with the radiation of individual clad during the Early Palaeozoic reflect a complex combination of plate distribution, tectonic activity, sedimentary environment, sea-level rise and climatic gradient....