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Harties vs the hyacinth (Part 1) – The toxic dangers lurking under cover of an invasive weed

The Hartbeespoort Dam is an eyesore due to uncontrolled water hyacinth growth, but beneath the surface lurks an even greater threat – microcystin, a cyanotoxin that can cause severe health problems in humans and animals. ....

Kwazulu Natal , South Africa , Free State , United States , North West , Hartbeespoort Dam , Crocodile River , South Africa General , Eastern Cape , South African , Frederick Botha , Albi Modise , Wisane Mavasa , Julia Evans , Tshwane University , Rhodes University Centre For Biological , Institute For Water Quality , Department Of Forestry , Public Works Programme , Department Of Water , Freshwater Research , Tshwane University Of Technology , Western Cape , Expanded Public Works Programme , Daily Maverick , Rhodes University ,

Dead fish washed up on the shores of Hartbeespoort Dam

Dead fish washed up on the shores of Hartbeespoort Dam
iol.co.za - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from iol.co.za Daily Mail and Mail on Sunday newspapers.

North West , South Africa , Hartbeespoort Dam , Casper Kruger , Schoemansville Oewer , Ejulie Coetzee , Wisane Mavasa , Sefako Makgatho Health Science University Medunsa , Sefako Makgatho Health Sciences University , Rhodes University Centre For Biological , Department Of Water , Ifafi Aquatic Club On , Ifafi Aquatic Club , Hartbeespoort Optimum Fisheries , Professor Julie Coetzee , Rhodes University , Biological Control , Sefako Makgatho Health Science University , Magalies Water ,

PICS: Your sewage is contributing to Hartbeespoort Dam's alien hyacinth invasion

The Water and Sanitation Department says one of its main priorities this year is to tackle the water quality at Hartbeespoort Dam that has been affected by the hyacinth plant. ....

South Africa , Northern Cape , Hartbeespoort Dam , North West , Ejulie Coetzee , Mogkatla Molepo , Tsepo Lepono , Xanderleigh Dookey Makhaza , Centre Of Biological Control , Rhodes University , Sanitation Department , Rhodes University Centre For Biological , Department Of Water , Ecological Services , Eyewitness News , Biological Control , Rhodes University Centre , Benoni Golf Club Wesley Wipes , Benoni Lake , Xanderleigh Dookey , Homestead Dam , Lakeside Mall ,

Biological bugs used to control of Kariba Weed at the Garden Route Dam

Biological bugs used to control of Kariba Weed at the Garden Route Dam
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Cape Town , Western Cape , South Africa , Skat River , Eastern Cape , Victoria Bay , Herolds Bay , Outeniqua Canoe Club , Rhodes University Centre For Biological , Garden Route Dam , Matthew Paper , Rhodes University Centre , Biological Control , Petrus Crous , Tyrone April , George Municipality ,

Beetles to the rescue in Kariba weed management

Photo: George Municipality
GEORGE NEWS - George Municipality is seeing excellent results following the release of 1 500 weevils, a small herbivorous beetle, as part of a multi-faceted plan to sustainably manage Kariba weed infestation in the Garden Route Dam.
The municipality is fully aware of the presence of Kariba weed in the dam, as well as the causes for it, and is working alongside experts in the field to manage the problem holistically, said the municipal superintendent for Parks and Recreation, Priscilla Burgoyne.
Weevils of the species Cyrtobagous salviniae were released mid-February at the Kat River inlet into the dam and near the dam wall where most of the weed grows. Upon follow-up investigation, studies confirmed a 91% infection uptake, while a significant reduction in the amount of dead plant material is expected once the weevils have established. ....

Skat River , Eastern Cape , South Africa , Hershon Amill , Jackie Dabrowski , Athane Scholtz , Priscilla Burgoyne , Rhodes University Centre For Biological , Aquatic Weeds Programme , Department Of Water , Garden Route , Rhodes University Centre , Biological Control , Matthew Paper , Rhodes University , Confluent Environmental , George Municipality , Recreation Priscilla , Eden Pump Station , Garden Route Dam , கேட் நதி , கிழக்கு கேப் , ஜாக்கி டப்ரோவ்ஸ்கி , அதேன் ஸ்கோல்ட்ஸ் , ப்ரிஸில பர்கோய்ன் , ரோட்ஸ் பல்கலைக்கழகம் மையம் க்கு உயிரியல் ,