Deadly algae a huge concern for NC residents and …
Dec 1, 2023 · The Department of Water and Sanitation has issued a critical alert regarding the detection of harmful algae blooms along the Vaal River System. The announcement, made in a media statement on November 28, 2023, …
Primary Water Quality Challenges for South Africa and the Upper …
Feb 9, 2017 · Outbreaks of blue-green algae and water hyacinth, as well as raised salinity levels, have been reported in the Vaal River Barrage catchment area. The Vaal River Barrage …
The eutrophied, polluted, salinised and mineralised state of the Vaal River have resulted, and will more extensively in future, result in large-scale algal blooms, and consequently, in serious …
Long-term changes in the algal composition of the Vaal River, …
Algal concentration and composition in the Vaal River during three periods (between 1992 and 1994, 1998 and 2000, as well as 2004 and 2006) were compared to those in the Katse Dam …
Comparison of phytoplankton assemblages in two differentially …
Sep 1, 2019 · The Vaal River revealed excessive algal biomass accumulation together with elevated pH levels. In addition to the inflow of saline water from the Enviroclear overflow, the …
Does South Africa have a microplastics problem? Our …
Sep 16, 2018 · We found that surface water from the Vaal River – the largest tributary of the South Africa’s longest river, the Orange River – was highly polluted with fragments. This is most likely due...
Northern Cape’s Vaal River crisis in full bloom - Democratic Alliance
Nov 29, 2023 · The Democratic Alliance (DA) has requested the Minister of Water and Sanitation, Senzo Mchunu, to immediately provide details of the departments’ action plan to address the …
An Investigation Into Phytoplankton Blooms in the Vaal …
algae sometimes reach dominant proportions in the Vaal River, indicating the potential for toxic Microcystis aeruginosa and Osdllatoria simplicissima blooms in the Vaal River. Specific algal species are responsible for specific problems.
Induction of both acid and alkaline phosphatase activity in two …
Development of cyanobacterial and green algal mass-occurrences in the eutrophied Vaal River (South Africa) has caused concern. The influence of various N and P concentrations and ratios …
First record of a spiral form of Aulacoseira, A. ambigua f. japonica …
Water quality and algal populations in the Vaal River Barrage Reservoir have been monitored extensively for many decades, because of its importance as a water source for the most …
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