The genus Heliobolus comprises four recognized species, all endemic to sub-Saharan Africa. Of these, only lugubris occurs in southern Africa, its distribution extending from Angola the west Mozambique east and reaching as far south parts of northern South Like many reptile species that occur is poorly studied, preliminary investigation suggested it may contain cryptic diversity. present work fo...

Rifted passive margins exhibit a large variety in the timing, distribution, and amount of magmatism. The factors controlling magmatism during rifted margin formation, remain, however, incompletely understood, partly owing to complex rifting styles. In this study, we use 2-Dimensional numerical models investigate effects depth-dependent wide lithospheric counterflow on formation. Results show th...

Angola tem registado nos últimos anos uma taxa de deflorestação alarmante ocasionada por diversas práticas antropogênicas, como as queimadas, agricultura, exploração combustíveis domésticos e produção madeira. O presente trabalho teve objectivo avaliar o impacto que a carvão desempenha ecossistemas da localidade Cassoço, Município Cela, Província do Cuanza Sul. mesmo decorreu no período compree...

This work introduces one of the first palynostatigraphic study conducted on formations from Eocene and overlying lowermost Miocene successions (Cunga Quifangondo formations) exposed in Onshore Kwanza Basin, Angola. To improve Cunga age, new biostratigraphic correlations palaeoenvironmental interpretations based qualitative quantitative analyses organic walled dinoflagellate cysts sedimentary ro...

OBJECTIVE To update the epidemiological status of human African trypanosomiasis (HAT), also known as sleeping sickness, in the Quiçama focus, province of Bengo, Angola, and to establish a HAT control programme. METHODS In 1997, 8796 people (the population of 31 villages) were serologically screened for Trypanosoma brucei gambiense, the causative agent of HAT. In 1998 and 1999, surveys were ca...

Utafiti huu ulidhamiria kutathmini athari za kamusi ya Sheng’ – English Dictionary kwa Kiswahili sanifu. Kamusi (2003) iliteuliwa kama msingi wa uchunguzi sababu ndio kwanza kuwahi kuchapishwa. Licha hii kuchapishwa katika lugha Kiingereza ina leksimu ambazo yafaa kuchunguzwa namna zinavyoathiri Lengo la utafiti lilikuwa kueleza muundo kifonolojia maneno na jinsi yanavyotofautiana Nadharia ilik...