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Entertainment Botswana: Hundreds of elephants found dead since March were killed by a bacterium

19:35  22 september  2020
19:35  22 september  2020 Source:   20minutes.fr

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Mystery surrounds the "completely unprecedented" deaths of hundreds of elephants in Botswana over the last two months. Dr Niall McCann said colleagues in the southern African country had spotted more than 350 elephant carcasses in the Okavango Delta since the start of May.

More than 300 elephants in Botswana have been killed by toxin-producing cyanobacteria in waterholes Toxins in water blamed for deaths of hundreds of elephants in Botswana . Scientists worry that climate change will trigger the bacteria to produce more toxins as water temperatures rise

The mysterious deaths ceased when the water points containing the bacteria dried up last June

Des éléphants au Zimbabwe (illustration) © Karen Paolillo / REX / SIPA Des elephants in Zimbabwe (illustration) BIODIVERSITY - The mysterious deaths ceased when water points containing the bacteria dried up last June

We finally know what caused the death of hundreds of elephants in Botswana since last march. The pachyderms were poisoned by an cyanobacterium "which grew in waterholes," the government revealed on Monday.

More than 300 elephants have been found dead since last March in the country, especially in the Okavango Delta region. The trail of poaching had been ruled out, because the animals still had their tusks. Anthrax (or anthrax disease) was also ruled out.

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These are bacteria found in water. “However we have many questions still to be answered such as In neighbouring Zimbabwe, about 25 elephant carcasses were found near the country’s biggest Africa’s overall elephant population is declining due to poaching but Botswana , home to almost a

FILE PHOTO: A combination photo shows dead elephants in Okavango Delta, Botswana May-June, 2020. Cyril Taolo, deputy director of the Department of Wildlife and National Parks, told a news conference the number of elephant carcasses found since deaths were first reported around early

Analyzes still in progress

Elephant deaths ceased at the end of June, a period that coincides with the drying up of the water points where the animals used to go. Blood tests confirmed that a bacterium producing neurotoxins was responsible for their death.

The tests were carried out by specialized laboratories in South Africa, Zimbabwe and Canada. Research on the bacteria is continuing. Landlocked between Zambia, Namibia and South Africa, Botswana is home to around 130,000 free-range elephants, or one-third of their known African population.

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Hundreds of elephants may have died from toxic algae, officials say .
More than 330 elephants in the Sergona area in Southern Africa died this summer, and climate change likely played a role, but there are still unanswered questions.The elephants in the Seronga area in Southern Africa died from a neurological disorder that appears to have been caused by drinking water tainted by "a toxic bloom of cyanobacterium in seasonal pans (water sources) in the region," according to Cyril Taolo, the acting Director of Wildlife and National Parks.

usr: 0
This is interesting!