First report and preliminary evaluation of cassava root necrosis in Angola [PDF]
, 2020 Open Access ArticleCassava is a main staple food for 800 million people world-wide. Production is limited by pest and pathogens. The most devastating cassava viruses are Cassava Brown Streak Virus and Uganda Cassava Brown Streak Virusboth causing severe ...
Bakelana, Z. +11 more
core +1 more source
Academic Engagement through Moodle Analytics: A Geo-Educational Approach to Early Detection of At-Risk Students in South African Higher Education [PDF]
Journal of Education and Learning TechnologyGhana’s education system has undergone significant reforms since independence, with policies aimed at increasing access and improving quality. While initiatives such as Free Compulsory Universal Basic Education (FCUBE) and the Free Senior High School ...
Tolulope Ayodeji Olatoye +2 more
doaj +1 more source
Three-dimensional dust aerosol distribution and extinction climatology over northern Africa simulated with the ALADIN numerical prediction model from 2006 to 2010 [PDF]
Atmospheric Chemistry and Physics, 2015 The seasonal cycle and optical properties of mineral dust aerosols in northern Africa were simulated for the period from 2006 to 2010 using the numerical atmospheric model ALADIN (Aire Limitée Adaptation dynamique Développement InterNational) coupled to ...
M. Mokhtari +5 more
doaj +1 more source
Veterinary and Animal Science, 2021 Northern Sudan is an important corridor cluster between pools of foot-and-mouth disease virus (FMDV) in East and North Africa. It involves almost the whole border area with Egypt and represents a considerable part of a projected disease-free zone in ...
Nussiba H Ahmed +4 more
doaj +1 more source
First record of three species of "Pythium" from Moroccan waters [PDF]
, 2007 First record of three species of Pythium from Moroccan waters. Species of Pythium, including P.torulosum, P.catenulatum and P. "Group F", isolated from dam near Rabat city (capital of Morocco) in northern Africa, are described.
Ben Abdellah, Samira +5 more
core +3 more sources
Does Teacher Availability Matter?-Evidence from Uwezo East Africa Study Data
Journal of Contemporary Issues in Education, 2016 Student academic achievement is a confluence of many variables. Among the most debate is the impact of teachers on students overall academic success.
Ishmael I. Munene, Sara J Ruto
doaj +1 more source
Frontiers in Psychology, 2021 The purpose of this research was to explore the relationship between university students’ perceptions of the overall quality of instruction (PQI) they experienced since COVID-19 and their academic well-being. This relationship was examined in the context
Dana K. Donohue, Juan Bornman
doaj +1 more source
Parasitic Cape honeybee workers, Apis mellifera capensis, evade policing [PDF]
, 2002 Relocation of the Cape honeybee, Apis mellifera capensis, by bee-keepers from southern to northern South Africa in 1990 has caused widespread death of managed African honeybee, A. m. scutellata, colonies.
A Barron +19 more
core +1 more source
Simulating dust emissions and secondary organic aerosol formation over northern Africa during the mid-Holocene Green Sahara period [PDF]
Climate of the Past, 2023 Paleo-proxy data indicate that a “Green Sahara” thrived in northern Africa during the early- to mid-Holocene (MH; 11 000 to 5000 years before present), characterized by more vegetation cover and reduced dust emissions.
P. Zhou +13 more
doaj +1 more source
Potential risk of regional disease spread in west Africa through cross-border cattle trade [PDF]
, 2013 Transboundary animal movements facilitate the spread of pathogens across large distances. Cross-border cattle trade is of economic and cultural importance in West Africa.
Bonfoh, Bassirou +5 more
core +3 more sources