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Rehabilitation not enough to solve orangutan crisis in Indonesia

Growing numbers of “palm oil orphans” in rehab centers present a challenge to conservationists.

NOTE: A shorter version of this article was published on Yale e360 in June

A baby orangutan ambles across the grass at the Borneo Orangutan Survival Foundation’s Nyaru Menteng rehabilitation center in Central Kalimantan, in the heart of Indonesian Borneo. The ape pauses, picks up a stick and makes his way over to a plastic log, lined with small holes. Breaking the stick in two, he pokes one end into a hole in an effort to extract honey that has been deposited by a conservation worker. His expression shows the tool’s use has been fruitful.

But he is not alone. To his right another orangutan has turned half a coconut shell into a helmet, two others wrestle on the lawn, and another youngster scales a papaya tree. There are dozens of orangutans, all of which are about the same age. Just outside the compound, dozens of younger orangutans are getting climbing lessons from the Borneo Orangutan Survival Foundation (BOS) staff, while still younger orangutans are being fed milk from bottles in a nearby nursery. Still more orangutans—teenagers and adults—can be found on “Orangutan Island” beyond the center’s main grounds. Meanwhile several recently wild orangutans sit in cages. This is a waiting game. BOS hopes to eventually release all of these orangutans back into their natural habitat—the majestic rainforests and swampy peatlands of Central Kalimantan, on the island of Borneo. But for many, this is a fate that may never be realized.

Kalimantan, 2009

The goal of the BOS project is reintroduction, but many of these apes may be destined for a life in captivity. The reason? Suitable habitat in Borneo and Sumatra, the two islands that are home to the world’s entire population of wild orangutans, is increasingly scarce. Economic returns from converting verdant rainforests into furniture, paper, woodchips, and oil palm plantations have rapidly diminished the availability of sites for reintroduction, while dramatically boosting the number of orangutans in need of rescue.

So the orangutans must wait. But they are the lucky ones. For every orangutan housed in the center, half a dozen or more may have fallen victim to deforestation or the pet trade, or met their end at the blade of a machete or the blunt end of a iron bar—estimates range from 1,500-5,000 per year. Perhaps worse, some reintroduced orangutans have managed to win taste of freedom only to see their new home destroyed by loggers and oil palm developers.

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Orangutan rehabilitation centers originally emerged as a response to the pet trade. Until very recently in much of the world (and even today in parts of Asia and the Middle East), there has been demand for orangutans as circus performers, entertainers for TV shows, occupants of zoos, and surrogate children for childless families. Before much was known about orangutan ecology, the first rehabilitation center was set up in the1960s by conservationist Barbara Harrison, who feared the species might be on the verge of extinction in the wild due to overcollection for the pet trade. Thus centers—including Ketambe and Bohorok in Sumatra’s Gunung Leuser National Park; Sepilok in Sabah, Malaysia; Camp Leakey in Central Kalimantan’s Tanjung Putting National Park; Semenggok in Sarawak, Malaysia; and Wanariset in East Kalimantan, among others—emerged as a way to care for confiscated orangutans in the hope of eventually reintroducing them to the wild. But caring for orangutans is difficult and costly. While baby orangutans score high for their cuteness factor, an adult orangutan, especially a full-grown male, is orders of magnitude stronger than a human and has substantial dietary requirements.

Sumatra, 2009

Sumatra, 2009.

But while the flow of orangutans from the pet trade was relatively manageable, the rise of palm oil has changed the situation, greatly increasing the number of orangutans in need of care. Michelle Desilets, former director of BOS-UK and now executive director of the Orangutan Land Trust, says she started to see the shift about five years ago.

“Originally the great majority of our rescues were confiscations of privately (illegally) owned orangutans. Often these were held by senior police officers, the military or government officials, making it a challenge to successfully confiscate them,” she said.

“About five years ago, our rescue teams began to be informed of wandering wild orangutans in human settlements, and despite immediate response, the teams often found the orangutans to be dead on arrival, due to human/wildlife conflict. Why, suddenly, were there so many cases of wild orangutans being injured or killed by humans? It had to do with the conversion of their forest habitat for the cultivation of oil palm.”

Desilets says the wild orangutans, left in ever smaller fragments of forest, face starvation as their food sources are depleted, forcing them to venture into newly established plantations where they feed on the young shoots of palms, thereby destroying the trees before they produce any oil seeds.

“As a result, they are considered an agricultural pest. Plantation managers often offer a bounty on the head of these orangutans, and the $10-$20 reward is a strong incentive for a migrant worker.”

Desilets says that since workers usually do not carry guns, orangutans are brutally killed using whatever tools are at hand.

“Our teams have found orangutans beaten to death with wooden planks and iron bars, butchered by machetes, beaten unconscious and buried alive, and doused with petrol and set alight,” she said. “Since 2004 more and more orangutans in our centers have been rescued from areas within or near oil palm plantations, and over 90 percent of the infants up to three years of age come from these areas.”

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Kalimantan, 2006.

Indonesia and Malaysia are the world’s largest producers of palm oil, accounting for more than 85 percent of global production in 2008. Palm oil demand has risen sharply over the past two decades due to its wide use in foods, beauty products, and even as a feedstock for biodiesel. Accordingly, the area of land under cultivation in Malaysia and Indonesia has expanded rapidly, growing from less than 150,000 hectares in 1984 to more than 12 million hectares by the end of 2008. Much of this expansion has occurred at the expense of native forest, including prime orangutan habitat. For example, the area of habitat in Kalimantan shrank 39 percent, from 141,500 sq km in 1992 to 85,835 in 2002, while the extent of primary forest cover has decreased by more than 90 percent since 1975. Unlike logged-over forest, which has the capacity to support at least some orangutans—albeit in lower densities than found in intact forest—timber and oil palm plantations are not viable habitats for orangutans. If they can’t move to other areas—due to isolation or conflict with other orangutans—they will perish without human intervention.

But orangutan rehabilitation centers are ill equipped to handle this tide of “palm oil orphans.”.It can cost more than $2,000 per year to feed and care for an orangutan, which if it is an infant, may be reared for eight to tens years, perhaps longer. Further, there simply isn’t enough room in care facilities. A stark case can be seen in the training forest at Nyaru Menteng. Here young orangutans are taken for daily supervised “exploration” to enable them to gain experience in their native habitat. But use by 200 or so orangutans has taken a toll on the forest. Bark and leaves have been stripped from trees, leaving the ecosystem heavily degraded. (It seems that like humans, too many orangutans can tax a forest.)

Kalimantan, 2006

It’s a similar case on the islands that house adult orangutans awaiting their release into the wild. Approaching on a powered dugout, it is clear these forests have been heavily impacted. But with so many orangutans and a finite area for them to live, there is little choice. The orangutans become accustomed to living in high densities never seen in the wild, behavior that carries implications for reintroduction.

Reintroduction can only occur after rehabilitation, except in the case of translocation—the transfer of wild orangutans from one location to another. But translocation can be stalled when orangutans need to be treated for illness or injury, forcing wild orangutans temporarily into the system. And there are many other issues that can complicate reintroduction.

First and foremost is whether the habitat is secure. With vast swathes of forest being logged and converted for plantations, finding safe forest is increasingly difficult, and there have been several recent instances where reintroduction sites have been cleared after reintroduction, with tragic consequences. Earlier this year Globalindo Agung Lestari cleared a section of forest near Mawas, a reserve in Central Kalimantan, where some 80 wild orangutans had been released. Hardi Baktiantoro of the Center for Orangutan Protection (COP), an activist group that investigates clearing of orangutan habitat in Kalimantan, says all the reintroduced orangutans likely perished. However since the area was granted as a concession by the government, there was nothing illegal about the clearing. In Sungai Wain, a protected forest near Balikpapan in East Kalimantan, fires and logging by a coal mining company wiped out another reintroduction site last year. Finally, last month the Frankfurt Zoological Society warned that a plan by Asia Pulp & Paper (APP) and Sinar Mas Group to log hundreds of hectares of unprotected rainforest near Bukit Tigapuluh National Park on Sumatra could doom a portion of an introduction site for the critically endangered Sumatran orangutan.

Kalimantan, 2006

Kalimantan, 2009

“It took scientists decades to discover how to successfully reintroduce critically endangered orangutans from captivity into the wild. It could take APP just months to destroy an important part of their new habitat,” said Peter Pratje of the Frankfurt Zoological Society. “These lowland forests are excellent habitat for orangutans, which is why we got government permission to release them here beginning in 2002. The apes are thriving now, breeding and establishing new family groups.”

Some conservationists worry that developers may see reintroduction programs as an alternative to preserving orangutans in their natural habitat, thereby eliminating the need to mitigate their environmental transgressions.

“I see 90 percent of the role of rehabilitation as animal welfare,” Erik Meijaard, an ecologist working with The Nature Conservancy on orangutan conservation in Kalimantan, said. “The rehab programs attract a lot of international attention and with that political pressure (it’s the most visible sign of failing conservation management by the Indonesian authorities). But in the past these programs have done nothing to address the root causes of orangutan decline. In fact, the opposite might happen when displaced orangutans are taking care off by the rehab centers, thereby giving the impression that the centers will help the plantations to solve a problem. I know the latter is not the case, but I am not sure whether the plantations see it that way.”

Kalimantan, 2009

Dave Dellatore, a primatologist with the Sumatran Orangutan Society/Orangutan Information Center (SOS-OIC), says conservation must address orangutans already in the rehabilitation system, while simultaneously slowing the number entering it and putting more back into nature.

“Rehabilitation and reintroduction were never intended to be a stand-alone solution, but are rather reactions to the greater problem of shrinking habitat and displacement of individuals from the forest therein. It’s an example of treating the symptom rather than the cause,” he said.

But concerns with reintroduction extend beyond land. Disease is a particular worry. Captive orangutans are more likely to carry disease and parasites due to their living in high density in captivity. Further ex-captives are prone to engage in behavior that puts them at risk of transmissions—living in closer proximity when reintroduced to the wild and approaching humans offering food. For example, mortality rates among orangutans visited by throngs of tourists in Sepilok and Bukit Lawang are over 50 percent.

“Under natural conditions, orangutans are semi-solitary and rarely congregate in groups. Ex-captives, due to their altered upbringing, may be more social once returned to the wild,” Dellatore of SOS-OIC explained.

Kalimantan, 2009

Sumatra, 2008.

Interaction with humans may alter behavior in other ways as well. Last year Dellatore reported two disturbing instances of mother orangutans cannibalizing their dead offspring. It was the first time the behavior had ever been recorded in orangutans. Dellatore attributed the aberrant conduct to stressful conditions caused by large numbers of tourists in Bukit Lawang, a site within Gunung Leuser National Park in Sumatra.

Genetic considerations, too, come into play in the reintroduction process. Due to genetic variation between populations—there are three sub-species of Bornean orangutan and the Sumatran form is an independent species—orangutans cannot be haphazardly reintroduced to the wild without knowledge of the individual’s origin. There are also legal issues. Indonesian law—though routinely ignored—forbids the reintroduction of rehabilitated orangutans to sites where there is a wild population. Part of this stems from disease concerns, but another factor is conflict with resident wild populations. Finally and most importantly, reintroduction to areas where people are present doesn’t bode well for orangutans if the needs of locals are not met.

“For reintroduction it is equally important to create a safe political environment as it is a physical environment. If a program is implemented from above with no care or attention given to the local community surrounding it, the project is likely doomed to fail,” Dellatore said.

Unlike many Westerners, most rural people in Borneo and Sumatra don’t see orangutans as peers worthy of protection. They view orangutans as pests that compete for food by ransacking crops and destroying livelihoods. Thus efforts to protect orangutans can foster the perception that conservationists care more about orangutans than people.

Addressing this “conservation versus human well-being” mentality is key to any solution. SOS-OIC, COP, and BOS run outreach programs that aim to reduce conflict between communities, plantation workers, and orangutans by demonstrating how to reduce crop losses due to orangutans and highlighting the importance of ecosystem services provided by habitats that also support orangutans. But talk only goes so far—it is difficult for people to grasp the value of these services until they are gone and they have to pay cash for water and forest products that were once free. Thus one hopeful area is emerging payments for ecosystem services schemes, which can make people partners rather than enemies of conservation.

“Many of us speak about balancing social, environmental, and economic values, but really we are in most cases talking about economics, economics, economics,” said The Nature Conservancy’s Meijaard. “If that’s the case the demise of orangutans and other species is mostly due to the fact that no one is willing or able to pay the opportunity costs of development.”

“Very few people care or have the luxury to care about their environment, and with the current legal uncertainty about who owns what, the clever thing to do is to milk the system as hard and as fast as you can. And that’s what pretty much everyone is doing.”

Acquiring land for orangutan conservation is expensive, because buyers—especially conservation groups that have to play by the book and can’t rely on the opaque arrangements sometimes employed by loggers and oil palm developers—have to pay the market rate for land. Further, conservation activities are expensive. While Willie Smitts’ remarkable “Restoring a Rainforest” project, which combined reforestation, conservation, and community development in Samboja Lestari, East Kalimantan is an inspiration; it took years and mountains of cash to implement. Thus payments for ecosystem services may offer an alternative model, financing conservation while supporting local people as stewards in sustainable development that makes human occupation more compatible with orangutans and the environment. Two studies, published recently in the journal Conservation Letters, bolster this idea by showing that robust forest carbon offsets generated under a proposed climate mitigation mechanism known as REDD (Reducing Emissions from Deforestation and Degradation) could be competitive with other forms of land use, including oil palm.

“We found that areas where emissions reductions are cheapest are also higher than average in endangered mammals, demonstrating that REDD has the potential to deliver win-wins for carbon and biodiversity objectives,” said Oscar Venter, a Ph.D. student at the University of Queensland and lead author of
one of the studies.

Michelle Desillets agrees. The thrust of her Orangutan Land Trust will be to use these approaches to finance land acquisition and sustainable development activities among local communities.

“OLT and BOS have worked very hard to support sustainable production of palm oil in order to minimize the impacts on the environment. We have worked with the industry to try to improve procedures and to set aside conservation areas. This will have some effect, but many palm oil and timber companies do not concern themselves with the environment, and the only way that we can protect the forested areas that these players have their eyes on is to make these forests worth more standing than cut down or converted to oil palm.”

“We are looking at any number of models that bring in funds for the protection of the area. This includes carbon payments, bio-banking, perhaps sustainable forest management, and other ecosystem service payments such as water,” she said. “We are very hopeful that REDD will be adopted in Copenhagen, and that the details of this will work out in a way that benefits both biodiversity and communities.”

But given the vastness of Kalimantan and Sumatra, it’s going to take more than land acquisition to slow the influx of orphaned orangutans into rehabilitation centers. Improved governance will be critical in improving the plight of orangutans and the well-being of local communities, rooting out corruption, and implementing conservation schemes like REDD. The USAID-backed Orangutan Conservation Services Project program is working to do just this, focusing initially on improving law enforcement, identifying gaps in environmental regulations, and increasing coordination between groups. The program has projects across Kalimantan and Sumatra.

Kalimantan, 2009

“Wehea forest in East Kalimantan is a great example of communities, local government, and local private sector supporting forest protection,” Meijaard said. “It’s a very rare example of conservation that works in Indonesia. Strong community leadership, strong support from local government and communities, very good management, and relatively low threats all add to the area having been completely secure for the last four years now.”

Finally, despite the challenges it’s important not to give up on rehabilitation efforts. The captive population does serve important functions. While orangutans aren’t in immediate danger of extinction with 54,000 in Borneo and 6,500 in Sumatra, it is a bulkhead against catastrophic fire (look no further than the el Nino fires of 1982-1983 and 1997-1998) or outbreak of disease. Rehabilitation programs also generate public awareness in conservation issues, which translates to political pressure to create protected areas and enforce environmental laws. And finally there is the issue of welfare. Conservationists cannot abandon the 2,000 or more orangutans currently in the rehabilitation system. After all, baby orangutans currently in captivity should be able to enjoy a future where they can dig with tools in forest logs rather than in plastic pipes at a survival center.

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