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Africa's Elephants Are Becoming War Refugees


November 29, 2016
Christine Dell'Amore / National Geographic & Adam Cruise / National Geographic

A national park in Botswana is struggling to support the staggering number of animals fleeing from poaching in other countries. To avoid ivory poachers in neighboring Namibia, Zambia, and Angola, elephants are fleeing in astounding numbers to Chobe, where illegal hunting is mostly kept in check. But while Chobe offers some protection, it's increasingly dry ecosystem is buckling under the pressure of supporting so many of the six-ton animals, which each eat 600 pounds of food daily.

http://news.nationalgeographic.com/2016/11/elephants-botswana-poaching-refugees/



Elephant Refugees Flee to Last Stronghold in Africa
Christine Dell'Amore / National Geographic

CHOBE NATIONAL PARK, BOTSWANA (November 23, 2016) -- The elephants swim across the river in a straight line, trunks jutting out of the water like snorkels. With low, guttural bellows, they push their bodies together, forming a living raft to bolster a calf too tiny to stay afloat on its own.

This pachyderm flotilla has a dangerous destination in mind: The grassy shores of Namibia, where elephants are literally free game for legal hunters. The animals will risk their lives to feed here before fording the Chobe River again, back to the safety of Botswana's Chobe National Park.

To avoid ivory poachers in neighboring Namibia, Zambia, and Angola, elephants like this family are fleeing in astounding numbers to Chobe, where illegal hunting is mostly kept in check.

"Our elephants are essentially refugees," says Michael Chase, founder of the Botswana-based conservation group Elephants Without Borders, which works to create transboundary corridors for elephants to travel safely between countries.

But while Chobe offers some protection, it's not the most welcoming stronghold. The increasingly dry ecosystem is buckling under the pressure of supporting so many of the six-ton animals, which each eat 600 pounds of food daily.

Helicoptering above the park on a searing-hot October afternoon, the landscape looked, as Chase puts it, nuked after a war: Only a few spots of green interrupted a flat, seemingly endless terrain of desiccated trees and brush.

Gray hulks, massive even from the air, moved slowly below, following their noses to the few water holes still left at this time of year. The rains should come soon, but in the meantime, the elephants are desperate. The animals can drink river water, but they prefer to drink from remote water holes because rivers are usually risky places to linger.

These elephants have already eaten some plants, such as marula and acacia trees, to local extinction. Forced to eat bark, some Chobe elephants have died from blocked intestinal tracts, Chase says.

"The irony of elephants seeking refuge in the Kalahari Desert, an environment not compatible to sustaining these numbers of elephants, is a tragedy," he says.

'LANDSCAPE OF FEAR'
Under siege from poaching and development, African elephant numbers have plummeted by 30 percent in recent decades, according to the 2016 Great Elephant Census, the biggest continent-wide elephant survey ever undertaken.

Once ranging from the coastal plains of Cape Town to the foothills of Mount Kilimanjaro, the species has fallen from 1.3 million in the 1970s to about 352,000 today, according to the survey, which was led by Elephants Without Borders. The International Union for Conservation of Nature lists the African elephant as vulnerable to extinction.

When Chase began collaring and tracking the giants 20 years ago, he was surprised by his initial GPS data, which showed elephants fleeing unsafe territories for safe ones, and then making epic trips back home.

For instance, elephants that had likely escaped Angola during its bloody civil war in the 1970s and '80s traveled hundreds of miles back to Angola in the early 2000s, his data revealed. Other elephants at the turn of the century returned to Namibia and Zambia, where rampant poaching had pushed them out. "Unfortunately, this time of peace was not to last," Chase says.

Between 2011 and 2014, when the demand for ivory in Asia boomed once again, the elephants' movements stopped dramatically. They stayed put in Botswana, and their numbers are mounting each year. About 130,000 of those survivors now live in Botswana, the most in any country.

Chase worries that poachers are following them -- 55 elephants have been killed illegally in Chobe National Park in recent months. "These animals are highly intelligent," he says. "They know where they're persecuted."

MASTER EVADERS
How the big-brained creatures know to escape danger -- and where to go -- is part of George Wittemyer's research in Kenya.

Wittemyer, scientific chair of the Kenya-based nonprofit Save the Elephants, and his colleagues have found that elephants can identify and navigate what ecologists call "a landscape of fear."

As in Botswana, Kenyan elephants can discern boundaries of protected areas -- such as Samburu National Reserve and Amboseli National Park -- without the aid of fences or other markers. (See stunning pictures of elephants.)

In a recent study, Wittemyer and his colleagues found that elephants living in a patchwork of protected and human-dominated land will shift their circadian rhythm to rest more during the day, which they've learned means fewer encounters with people. In such places, the animals also choose less populated areas to rest -- even if they are farther from water.

Then, under the cover of darkness, the elephants make beelines for water holes, dashing through places where people or poachers may lurk. "It's been remarkable to see the way they will identify areas they see as safe and move rapidly through areas they don't see as safe," says Wittemyer.

In protected areas, elephants will switch this behavior and hang out at water holes all day. The herbivores' evasive skills are due in large part to their highly sophisticated spatial memory.

Satellite data from collared elephants in Namibia's Etosha National Park show that the animals travel the fastest, most direct route possible to water holes, according to a 2015 study co-authored by Wittemyer.

These animals take the most efficient path to water sources regardless of where they are starting from, suggesting they maintain detailed, wide-ranging maps in their heads.

NO OUTWITTING POACHERS
Joyce Poole, co-founder of the conservation group ElephantVoices, has studied elephants in the wild for 41 years, identifying hundreds of postures and gestures that show the brainy creatures can consciously make decisions -- and act on them.

"Elephants may look as if they are doing nothing, but often if you look closely, you can see subtle signs that they are thinking, contemplating," says Poole, who is also a National Geographic explorer.

Poole says that elephants are superb at hearing and smelling danger. For instance, experiments in Amboseli National Park show that elephants know how dangerous certain humans are from how they speak.

Elephants in the region can distinguish between the language of the Maasai, an ethnic group that sometimes hunts them, and other languages, a study found.

It's possible, too, that elephants can smell chemical stress levels in other elephants' dung and feces, which could communicate which areas are safe, Wittemyer adds. (See "Elephants Have 2,000 Genes for Smell -- Most Ever Found.")

"Elephants use their cognitive and sensory abilities to avoid poachers as well, but they aren't always successful, especially when poachers use sophisticated equipment," says Poole.

"How do we protect these elephants and not end up with refugees running from one tiny safe haven to another? We've got to stop the demand for ivory."

Several countries, including Kenya, have burned ivory stockpiles in recent years to symbolize their commitment to halting the trade. But poaching shows no sign of stopping: Illegal killing for ivory is so intense that in 10 years scientists expect to lose 50 percent of Africa's remaining elephants, Chase says.

"As long as there are people out there [who] feel elephants are worth more as ivory trinkets than living animals, we have a battle ahead," says Poole. (Related: "A Legal Trade in Ivory Would Wipe Out Elephants, Study Finds.")

SHOCKED INTO ACTION
Anti-poaching and park management are virtually nonexistent in southeastern Angola and southwestern Zambia, and until that changes, Chase says it won't make sense to establish elephant corridors.

"Those habitats need to be secure, otherwise we are sending elephants to a certain death," he says. And in some cases, Wittemyer notes, there's not much left for the elephants to go back to.

Across much of Africa, ill-maintained parks have become overrun with domestic livestock that have denuded the land, he says. Meanwhile, many countries in Africa are expected to double in population by 2050, leaving less space for wildlife and fueling the growth of large-scale development -- major highways and railways are sprouting everywhere, severing elephant populations from one another.

Still, there are some victories worth celebrating, the scientists note.

Uganda, Namibia, and Gabon have stable or recovering elephant populations. And in Botswana, ecotourism -- which includes wildlife safaris -- is the second largest foreign exchange earner, which means the country is "reaping the rewards of successful conservation," Chase says.

Perhaps most importantly, "the world is listening to the plight of elephants," he says, citing the growth of wildlife documentaries like Savage Kingdom as one example.

"We've shocked people out of apathy and into action."

Christine Dell'Amore is the online natural history editor for National Geographic News; she also founded the popular blog Weird & Wild.





Elephants Wiped Out on Alarming Scale in Southern Africa
There's a new poaching hotspot, and it's not where people expected

Adam Cruise / National Geographic

(April 6, 2016) -- A chunk of territory in southern Africa about the size of France has long been considered one of the last strongholds of the African elephant. The Kavango-Zambezi Transfrontier Conservation Area, better known as KAZA, straddles Angola, Zambia, Namibia, Botswana, and Zimbabwe and was believed to hold as many as 250,000 elephants.

But all is not well there. The latest statistics from the Great Elephant Census, an ambitious elephant-counting project led by Microsoft co-founder Paul G. Allen's private company, Vulcan, paints a grim picture in part of KAZA's Zambian portion.

"The Kwando area of southwestern Zambia is experiencing the worst poaching of any major savanna elephant population," said Mike Chase, the coordinator of the project.

For the past two years, the Great Elephant Census has flown surveys covering 285,000 miles (460,000 kilometers) across 20 African countries in a first ever effort to reliably count 90 percent of savanna elephants, which many scientists consider a separate species from West Africa's forest elephants.

At a time when Africa is losing about 30,000 elephants a year to poaching, populations in southern Africa have generally been holding their own, and even increasing in some areas. Most conservation efforts have focused on the harder hit parts of East Africa, including Tanzania and northern Mozambique.

The survey results for Zambia, released in March, show that overall elephant numbers in the country are stable. But in the southwest, especially in the 3,100-square-mile (5,000 square kilometers) Sioma Ngwezi Park between the Zambezi and Kwando Rivers, the declines have been catastrophic -- an estimated 95 percent drop in elephant numbers.

A Bad Carcass Ratio
The Great Elephant Census counts both live elephants and elephant carcasses to establish a carcass ratio. A ratio of no more than 8 percent allows a population to remain stable. But in Sioma Ngwezi Park, the team recorded 48 live elephants and 280 carcasses -- that's a staggering 85 percent carcass ratio.
By comparison, the ratio in Tanzania and Mozambique, which have seen drastic and well-publicized population declines, is around 40 percent.

Poachers operate with impunity in Sioma Ngwezi because there isn't much human activity. "No one's involved in these regions -- no ecotourism, no researchers, and probably very little in the way of anti-poaching initiatives," Chase said.

Plus, poachers have an easy escape route. "Within a matter of minutes they can be in four different countries, knowing that local law enforcement officials will not pursue them across international borders," he said.

And it's not just the elephants that are in trouble. The aerial survey showed that clear-cutting of centuries-old teak forests is occurring in the park on a devastating scale. "Illegal logging is one of the greatest conservation threats in Africa," Chase said. "It's turning the Sioma Ngwezi forests into deserts."

Chase believes that the high poaching levels, coupled with habitat loss, have forced most of Sioma Ngwezi's remaining elephants to migrate to the safety of neighboring Botswana.

Who's Minding the Store?
KAZA is run by governments of the member countries, guided by the Peace Parks Foundation. This multinational governmental and private enterprise organization promotes biodiversity, job creation through nature conservation, and regional peace and stability through the establishment of cross-border conservation areas.

Since its formation, the Peace Parks Foundation has lauded KAZA as one of the great "African successes" and southern Africa's "premier tourist destination for viewing elephants" and "the vehicle for socioeconomic development in the region."

When the Zambian deputy minister of tourism and arts opened the Sioma Ngwezi Park headquarters, on January 30, 2016, he highlighted the "successes that have been brought about by the law enforcement authorities in combating poaching." Poaching-related arrests in the park rose from 11 in 2014 to 84 last year, according to the Peace Parks Foundation.

But Simon Munthali and Morris Mtsambiwa, KAZA's Botswana-based technical advisers, say their organization is more about government-to-government cooperation, information gathering, and research facilitation than action on the ground. "We assist in the conservation development in five countries," Munthali said, adding that what KAZA needs now is a multinational armed force to stop criminal activity. But he doesn't think that's in the cards.

According to Ross Harvey, senior researcher for the South African Institute of International Affairs, an independent research institute specializing in African leadership, the KAZA initiative is a "fantastic concept," but it's hobbled by a lack of cooperation among the nations involved. "The success of Peace Parks ultimately depends on political cooperation, but this is basically absent." he said.

Zambia's Kafue National Park, which is also part of KAZA, points a way. Thanks to active patrolling by Game Rangers International -- an independent wildlife management program supported by the US-based Nature Conservancy -- elephant numbers there are stable.

"We believe that this increased enforcement has effectively reduced poaching, said Matt Brown, the conservancy's Africa conservation director. Brown acknowledged that "protection initiatives may need to be intensified in areas where the elephant population is facing more significant threats."

The Zambian government has indicated that it will launch a working group to develop a plan for such areas -- but time has all but run out for Sioma Ngwezi.

The danger now, warns Mike Chase, is that because Sioma Ngwezi is close to Botswana's Okavango Delta region -- the world's largest single remaining population -- it's only a matter of time before poachers begin killing elephants there.

Adam Cruise is a senior contributor for the Conservation Action Trust, which promotes reporting on conservation and environmental issues. Follow him on Twitter.

Posted in accordance with Title 17, Section 107, US Code, for noncommercial, educational purposes.

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