Tiny weevils are waging war on the invasive water lettuce plant choking South Africa's Vaal River phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.
Water lettuce forms dense mats on the water surface. This can reduce light penetration and oxygen levels in the water, negatively affecting all aspects of aquatic life.
MIL-OSI Africa: Tiny weevils are waging war on the invasive water lettuce plant choking South Africa's Vaal River foreignaffairs.co.nz - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from foreignaffairs.co.nz Daily Mail and Mail on Sunday newspapers.
Written by: Lebohang Ndashe Police arrested four suspects after a 33-year-old educator was allegedly shot and killed in Vanderbijlpark, Gauteng. Among the arrested is a medical doctor, who is reported to be the ex-husband of the deceased. Police responded to a complaint of a shooting incident in Hendrik van Eck Boulevard in Vanderbijlpark. On
Unisa has committed to assisting students with outstanding modules in its phased-out Bachelor of Social Work while activists warn of a greater need for social workers.