SA leopard population ‘crashing’, study warns

EXTRACT FROM THE FOLLOWING THIRD-PARTY SOURCE: News24

Paris – The leopard population in a region of South Africa once thick with the big cats is crashing, and could be wiped out within a few years, scientists warned on Wednesday.

Illegal killing of leopards in the Soutpansberg mountain range has reduced their numbers by two-thirds in the last decade, the researchers reported in the Royal Society Open Science journal.

leopard, Africa, ©Simon Espley

©Simon Espley

“If things don’t change, we predict leopards will essentially disappear from the area by about 2020,” lead author Samual Williams, a conservation biologist at Durham University in England, told AFP.

“This is especially alarming given that, in 2008, this area had one of the highest leopard densities in Africa.”

The number of leopards in the wild worldwide is not known, but is diminishing elsewhere as well. The “best estimate” for all of South Africa, said Williams, is about 4 500.

What is certain, however, is that the regions these predators roam has shrunk drastically over the last two centuries.

The historic range of Panthera pardus, which includes more than half-a-dozen sub-species, covered large swathes of Africa and Asia, and extended well into the Arabian Peninsula.

Leopards once roamed the forests of Sri Lanka and Java unchallenged.

Today, they occupy barely a quarter of this territory, with some sub-species teetering on the brink of extinction, trapped in one or two percent of their original habitat.

Leopards were classified last year as “vulnerable” to extinction on the International Union for the Conservation of Nature’s Red List of endangered species, which tracks the survival status of animals and plants.

South Africa recently suspended trophy hunting of leopards, though experts agree this is not a major cause of the population decline.

Bleak findings

A 2008 census of leopards in the 6 800km² Soutpansberg found a robust population of nearly 11 adult cats for each 100km².

To find out how the carnivores had fared since then, Williams and his team set up four dozen motion-triggered camera traps across the area, and left them in place from 2012 to 2016.

The cameras captured a total of 65 individual leopards during the four-year period: 16 adult males, 28 adult females and 21 younger cats.

They also fitted eight adults with GPS collars to track their movements – or lack thereof.

Only two of the GPS-tagged leopards survived the monitoring period. Three were done in by snares, one was shot by a local resident whose cattle had been attacked, and two went missing, probably killed since they also disappeared from camera surveillance.

A statistical analysis of the results showed “a 66% decline over a period just over 7.5 years”, the study concluded.

Ironically, the bleak findings helped conservationists and local officials raise money to hire a “community engagement officer”.

“One of the things he does is help local people adopt non-lethal techniques” to prevent leopards from attacking cattle and other livestock, including the use of guard dogs, Williams added.

But the clash between humans and big carnivores, experts agree, is mostly due to humanity’s expanding footprint, especially in Africa, whose population is set to expand by more than a billion before mid-century.

As a result, the habitats of most wild megafauna are diminishing, and getting chopped up into smaller and smaller parcels.

“It is extremely alarming that the trends that we are reporting exemplify trends in large carnivores globally,” Williams said.

Studies in Africa of lions, black-backed jackals and bat-eared foxes have showed similar rates of decline.

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WCW Leopard Conservation

When Babette de Jonge started her non-profit foundation Wild Cats World in June 2010, she already had her mind set on starting a special leopard project. There are lots of cheetah, tiger and even lion conservationprojects, creating awareness for the bad situation of these species in the wild, but somehow people always seem to have the strange and wrong idea that the leopard numbers are still save. Even though there never really was a leopard census, neither in Africa, nor in Asia. Also leopards are being killed in both countries on a daily basis. In India up till 2011 there were 356 leopards killed in 365 days, but in 2012 these numbers seem to be increasing.

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