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Cheetahs in Malawi: Poaching and Wildlife Trafficking endangers Africa’s most Iconic Species

A total of four cheetahs – two males and two females – were airlifted to Liwonde National Park in Malawi from South Africa in May

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Cheetahs back from the brink in Malawi
The cheetahs spent their first three weeks in an enclosure before being released into Liwonde National Park in Malawi. VOA
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  • Liwonde National Park in southern Malawi has just welcomed some new inhabitants – four cheetahs
  • Liwonde National Park has a population of 12,000 large mammals including bush buck, water buffalo, and antelope
  • Park officials say they also plan to reintroduce leopards and lions to restore the park’s lost glory

LIWONDE NATIONAL PARK, MALAWI, June 10, 2017: Poaching and wildlife trafficking have endangered some of Africa’s most iconic species and the loss of the animals has cost African countries critical tourism revenue.

But at least one national park is getting a second chance. Liwonde National Park in southern Malawi has just welcomed some new inhabitants – four cheetahs relocated there from South Africa courtesy of the nonprofit African Parks group.

Park rangers lured the first cheetah out into its new home with a fresh carcass. It’s the first cheetah Malawi has had in the wild in two decades.

The cheetah is the fastest land animal in the world, but even that couldn’t protect the species in Malawi. Poachers killed off the cheetahs’ prey and ultimately the cheetahs themselves.

“They were last seen in Malawi about 20 years ago,” said Craig Reid of the Liwonde National Park. “Specifically in Liwonde area, they have been absent for over a 100 years. So, as part of the rehabilitation of the park, we feel it is very important to bring back the cheetah to Malawi and Liwonde specifically.”

A total of four cheetahs – two males and two females – were airlifted to Liwonde from South Africa in May.

Before being released into the park, the cheetahs spent their first three weeks in an enclosure to allow them to become acclimated to their new surroundings.

Liwonde National Park has a population of 12,000 large mammals. These include bush buck, water buffalo and antelope.

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The cheetah is the first large predator to be reintroduced to the park.

“We have a very healthy animal base and now that the protection measures are in place as we have got a very good law enforcement in the park,” Reid said. “The numbers of animals are increasing very rapidly and, as a result to that, there are more than enough animals to provide for some carnivorous animals such as the cheetah”.

Officials are holding meetings with communities surrounding the park.

“Those people are likely to face danger,” said David Nongoma of African Parks. “And our message to the community is to say that…they refrain from entering the park and stop doing what they used to be doing because these animals are definitely very dangerous. They can kill a human being.”

Park officials say they also plan to reintroduce leopards and lions to restore the park’s lost glory. (VOA)

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Thailand: Elephants Aid in Spreading Fruit Seeds

Based on the diets and habits of mammals, scientists found that elephants are the best allies for the Thai Annonaceae tree to spread its seeds.

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Elephants
Asian Elephants are the major seed dispersers for the p. macrocarpa. Pixabay

Massive fruit trees in the Thailand evergreen forest need Elephants to help spread their seeds, according to a new study.

Based on the diets and habits of mammals, scientists found that elephants are the best allies for the Thai Annonaceae tree to spread its seeds.

In the diverse environment of Khao Yai National Park, there is a complex set of relationships between the plants and animals. Not every species of fruiting tree is an attractive meal to all herbivores. A team of researchers, led by Kim McConkey from the University of Nottingham, set out to study one particular tree, the Platymitra macrocarpa from the family of custard apple trees.

The p. macrocarpa produces 3-to-5-inch fruit that are ripe from May through August. McConkey tracked how often animals visited the trees and ate the fruit, including elephants, bears, monkeys, gibbons and Sambar deer. They measured the animals’ fruit consumption as well as the ensuing seed dispersal and seed viability.

Researchers found the seeds in the dung of some species while others like the Sambar deer regurgitated the large seeds. When asked about tracking animal poop, McConkey admitted, “I’ve got two boys so they just love what I do.”

As expected, the Asian elephants were the major seed dispersers for the p. macrocarpa. Elephants aren’t often seen in the area of the trees McConkey studied, but as she told VOA, “I thought if I’m going to see them feed on any fruit, it’s going to be this one.” Her hunch was borne out in the data, with elephants consuming only 3 percent of the fruit but producing 37 percent of the viable seedlings.

Elephants
The p. macrocarpa produces 3-to-5-inch fruit that are ripe from May through August. VOA

These findings regarding the Asian elephants point to the important role they play in the ecosystem. Jedediah Brodie, chair of conservation in the Wildlife Biology Program at the University of Montana, told VOA that “overhunting in the tropics often drives large animals locally extinct but leaves smaller species like rodents. And this study shows that those smaller animals just are not able to replicate the ecological role of the larger species.”

When looking at the performance of other species, the researchers were surprised by how effective Sambar deer were at dispersing seeds. “Sambar deer generally have quite a bad rap in these forests,” McConkey said. “People think they’re seed predators, but it turns out they actually do disperse a lot of seeds.” While the Sambar deer weren’t quite as effective seed dispersers as gibbons (21 percent), they still produced a respectable 17 percent.

Bruchid beetles were the primary challenge to producing viable seedlings. The beetles, which are known to infest all kinds of seeds and beans, spoiled most of the seeds left exposed on the forest floor. Unlike the regurgitated seeds of the sambar deer, the seeds went through the elephants’ digestive system and were covered by excrement. The seeds were protected from beetles and provided with an effective, natural fertilizer and were able to survive and grow into seedlings.

It is easy to think of animals adapting to their environment through evolution and behavioral change, but we rarely consider the same relationship in the opposite direction. The massive Platymitra macrocarpa has perhaps evolved to provide fruit that appeals to more than one frugivore.

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As McConkey told VOA, “The husk of the fruit — it’s like the outer covering of the fruit — has become very thick, and it’s that outer covering that deer eat. But if you open up the fruit, each seed is covered by this juicy, soft pulp, and it’s that that the monkeys and gibbons like.” She thinks that this might be a case where the tree evolved to appeal to multiple animal species to increase the chance of spreading viable seeds.

Despite the variety of animals eating the seeds, elephants are still the tree’s best chance of producing viable seedlings. When asked what might happen if elephants were to disappear from the region, Brodie responded, “That’s the million-dollar question.” (VOA)