Press Room



Aerial Survey of Elephants in KAZA Region Completed

Partner Release — Aug 31 2023

Survey of the five KAZA countries shows elephant populations are stable. Results will further inform coordinated wildlife management plans.

Leaders of the Kavango Zambezi Transfrontier Conservation Area (KAZA TFCA) today expressed optimism as they revealed results of the KAZA Elephant Survey. KAZA TFCA includes Angola, Botswana, Namibia, Zambia and Zimbabwe which have common international borders along the Okavango and Zambezi River basins. The estimated elephant population for the region was calculated at 227,900, indicating that the population appears stable. 

Delivering his opening remarks at the launch, Zambia’s Minister of Tourism, Honourable Rodney Sikumba, who is also Chairperson of the KAZA Ministerial Committee, reflected on the survey’s scale and scope.  “Flying over this expansive terrain, meticulously adhering to rigorous scientific standards while surveying Africa's largest contiguous elephant population, is a testament to the collective dedication and perseverance of all involved.”  

“We undertook this unprecedented aerial survey to provide an accurate estimate of the number of live elephants, elephant carcasses, and other large herbivores in this region that is home to more than half of the savanna elephant herds in Africa,” said Dr Nyambe Nyambe, Executive Director of the KAZA Secretariat. “This rich dataset now gives us the opportunity to understand the health of our ecosystems and implement best practices for wildlife management and human-wildlife coexistence.” 

The country-by-country numbers are estimated as:

 

KAZA TFCA 

2022: 227,900 

2014/2015: 216,970 

Country 

KAZA Survey 

IUCN – 2016 AESR 

Angola 

5,983 

3,395 

Botswana 

131,909 

129,939 

Namibia 

21,090 

19,549 

Zambia 

3,840 

 6,688 

Zimbabwe 

65,028 

57,398 

 

The overall carcass ratio was 10.47% which leadership says warrants closer inspection since it may indicate heightened mortality rates. 

“Several factors are likely contributing to the somewhat elevated mortality we’re observing,” said Darren Potgieter, KAZA Elephant Survey coordinator. “Factors such as aging populations, improved sampling methodologies, environmental conditions, and poaching could all be at play here.” 

The KAZA-wide survey was the first of its kind to cover five countries in the KAZA TFCA through a synchronized flight plan using the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) Monitoring the Illegal Killing of Elephants (MIKE) Aerial Survey Standards, and deploying rigorous quality assurance metrics including flight speed, heights, transect adherence, and a balance of observations between right and left rear seat observers. 

Each transect in the flight plan is flown with a pilot, a recorder in the right front seat, and two observers in the rear seats.  

“Flying more than 67 thousand kilometres of transects which is nearly twice the circumference of our globe in two months using 16 remote bases across the region and trained pilots, observers and field staff, we are extremely satisfied with the quality of the sampling effort,” said Potgieter. “And the fact that Partner States seconded more than 50 percent of the 47-person operations team makes this that much more rewarding.” 

The survey was flown from August to October 2022 during the dry season when elephants can be more readily seen. Flights were tracked by EarthRanger for both safety and quality assurance purposes. The data captured was tracked and reviewed daily, and the full analysis was completed in early 2023 following which a peer review process was undertaken prior to final publishing.  

The KAZA Ministers issued a joint communique after the launch providing detailed positions on various aspects of the survey results. 

The KAZA Secretariat and Partner States would like to express our sincere gratitude to World Wildlife Fund (WWF), the implementation partner for the survey, and the KAZA Elephant Survey donors and international cooperation partners comprising the Paul G. Allen Family Foundation, the German Federal Ministry of Economic Cooperation and Development through KfW, the Dutch Postcode Lottery through the Dreamfund Project, USAID’s Combating Wildlife Crime in Namibia and the Kavango-Zambezi Area Project, the UK Foreign, Commonwealth and Development Office, the Environment and Protected Areas Authority (EPAA) of Sharjah, United Arab Emirates, the US Fish and Wildlife Service, WWF – US, Panthera, and the EU-funded CITES MIKE Programme.

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About KAZA TFCA Secretariat 

The Kavango Zambezi Transfrontier Conservation Area (KAZA TFCA) Secretariat was established in 2011 by the KAZA Partner States comprising the Republics of Angola, Botswana, Namibia, Zambia, and Zimbabwe to manage the day-to-day operations of the TFCA. Its overall mandate is to develop KAZA TFCA into a world-class conservation area and premier tourism destination. This mandate is executed under the guidance of the KAZA Partner States with support from development partners and a consortium of stakeholders. The Peace Parks Foundation has been the Implementing Agent for the Federal Republic of German’s support to KAZA. 

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