Cyanobacteria Identified as Cause of Elephant Mass Mortality Event

The largest contiguous population of elephants in Africa lives in the Kavango-Zambezi Trans Frontier Conservation Area (KAZA TFCA) which encompasses parts of Botswana Zimbabwe, Zambia, Angola and Namibia. Within KAZA, nearly 90% of the elephant population is concentrated in Botswana (58%) and Zimbabwe (29%). In June of 2020, over 300 elephants were found dead in Botswana under mysterious circumstances. Less than two months later—in a span of only 27 days—34 more elephant deaths were reported in neighboring Zimbabwe. The news of these mass mortality events was both notable and concerning given the importance of the KAZA elephant metapopulation to species conservation.

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