Forced out or killed: rare chimps go missing from Cameroon mountain forest

first_imgAgriculture, Animals, Apes, Biodiversity, Biodiversity Hotspots, Chimpanzees, Community-based Conservation, Conservation, Drivers Of Deforestation, Endangered Species, Environment, Farming, Featured, Forests, Great Apes, Green, Hunting, Indigenous Communities, Indigenous Culture, Law Enforcement, Mammals, Over-hunting, Poachers, Poaching, Primates, Rainforest People, Rainforests, Tropical Forests, Wildlife, Wildlife Conservation The Endangered Nigeria-Cameroon chimpanzee (Pan troglodytes ellioti) is the least numerous subspecies of chimpanzee, with a total population almost certainly less than 9,000, and probably less than 6,000 individuals.The estimated population is far smaller in Cameroon, where just four known populations number some 250 individuals, all located in the Northwest region.One of those groups, known as “The Great Apes of Tubah” was until recently found in the unprotected Kejom-Keku Mountain Forest.But the chimps haven’t been seen in three years, and conservationists fear they’ve been killed or forced to move on. A new road into the Kejom-Keku area has resulted in the loss of half its forest, as herders, farmers, loggers and poachers move in. The new “farm-to-market” road commissioned by the Cameroon Agriculture Ministry is largely blamed for the massive deforestation occurring on Kendjom-Keku Mountain in the Northwest region of Cameroon. Photo by Eugene N. NforngwaBAMENDA, Cameroon – A group of rare chimpanzees have gone missing from a mountain forest in Northwest Cameroon, say researchers, raising fears concerning their welfare as the animals are exposed to major deforestation and to poachers and loggers largely due to the construction of a widely criticized government-sponsored road project.The small group of Endangered Nigeria-Cameroon chimpanzees (Pan troglodytes ellioti) is probably one of just four remaining in Cameroon. The last sign of the animals was seen three years ago in the Kejom-Keku Mountain Forest, where researchers sighted the animals’ low-hanging nests and a trail of dung, which led them to estimate the group’s size at approximately six individuals. Pan t. ellioti occupies the smallest geographic range and has the smallest population of all the chimpanzee subspeciesScientists still don’t know much about the missing chimps. A camera trap caught the first and last glimpse of the great apes, amongst the world’s rarest and least studied, in 2014. Since then, existing nests have aged away. The small group nicknamed “The Great Apes of Tubah” appears to have vanished.“They have either been killed or forced to migrate,” speculates conservationist Martin Mikeš. He runs the Kedjom-Keku Organization, an NGO that has been informally monitoring the animals for more than five years. “No one knows what has happened to them,” he says.Mikeš’ worst fear is that the rare animals have been driven locally extinct, like the elephants and buffalo that once inhabited the forest. In the three years since the primates went missing, he says, more than half of the remaining forest, forming parts of the Bamenda Highlands, has disappeared.A new road built principally to encourage agricultural expansion has accelerated habitat loss and given poachers and timber exploiters access to the higher mountain altitudes and to more remote woodlands, says Mikeš. If there is no action, in another five years, he warns, there could be no forest left in the area.The road leading deep into the Kedjom Keku Moutain Forest in Northwest Cameroon opened the region to cattle herders, farmers, loggers and poachers and has resulted in significant habitat loss. Photo by Eugene N. NforngwaRarest, most endangered and least studied chimpsPan troglodytes ellioti is perhaps the rarest of all subspecies of chimpanzee and one of the least studied, according to Osiris Doumbé, a wildlife biologist, conservationist and lecturer at the Bristol Zoological Society. Populations are confined to lowland and montane forests running from western Cameroon into southeastern Nigeria.According to the International Union for Nature and Conservation (IUCN), they are the “least numerous subspecies of chimpanzee with a total population that is almost certainly less than 9,000 individuals and probably less than 6,000 individuals remaining.”The estimated population is far smaller in Cameroon. The country hosts just four known populations of Nigeria-Cameroon chimpanzees, some 250 individuals, all located in the Northwest region. The subspecies has been locally extinct in the Kimbi Wildlife Reserve and the Kilum-Ijim forests since the late 1980s, says Doumbé. He surveyed the Kedjom-Keku forest in 2013 and was the principal investigator of the Ellioti Project in 2014 and 2015, which mapped the relative distribution of Pan t. ellioti in Cameroon.“Amongst the total four populations of chimpanzees [in Cameroon], the most threatened is no doubt the Kedjom-Keku community with an estimate of less than eight individuals in 2013, which is isolated from other chimpanzee populations,” says Doumbé.The Pan t. ellioti population of Kedjom-Keku and elsewhere in Cameroon is threatened by a combination of habitat loss due to agricultural expansion and logging, as well as hunting. Climate change is also increasingly viewed as a factor for population decline according to researcher Paul Sesink Clee, with the Department of Biological Sciences, New York State University at Albany,“The Northwest is well-known for its agriculture and plantations, but much less for its wildlife which has greatly decreased in the last century, and several large mammals have been extirpated [such as] elephants, leopards and lions,” explains Doumbé.“The Cross-River gorillas are now restricted to Kagwene Gorilla Sanctuary, and the chimpanzees are gathered in isolated communities. [Threats include] hunting pressure, mostly close to the international border with Nigeria.“Despite the chimpanzees [being] integrally protected in Cameroon, some hunters kill our closest relatives to sell the skin and the skulls to the Nigerian markets. This pressure has been increasing, especially on the population of Mbembe Forest where it is now difficult to find chimpanzees,” he says. “Hunting is not so much of a problem for the chimpanzees of Kedjom-Keku, where habitat destruction is definitely the main issue they are facing.”Croplands and pastures have increased dramatically over the past few years, leaving the Nigeria-Cameroon chimpanzees with less and less habitat. Photo By Eugene N. Nforngwa“Scrambling for a share of the forest”At more than 2,000 meters (6,562 feet) above sea level, the Kedjom-Keku Mountain Forest is often shrouded in mist. A freshly built road cuts through that forest – a brick-red snake weaving through lush forest, passing cold pristine streams, mountain pastures as green as golf course fairways, along with newly opened croplands that grow Irish potatoes, corn and vegetables.For centuries, dense forest, rugged terrain and a cold wet climate made the forest inaccessible, helping protect its wildlife. The mountain’s Fulani pastoralists and indigenous hunter-gatherers barely made a visible impression on the natural landscape.But, steadily, as the population grew in the villages bordering and within the mountainous terrain, demand for arable land increased and human encroachment expanded. Slash and burn agriculture drove deforestation, habitat loss and the destruction of watersheds. In the search for more grazing fields, herders began cutting and setting forests on fire, transforming swaths of woodland into grasslands more suitable for their cattle, according to local inhabitants and conservation workers.“[In the past] there was a clear demarcation between grazing land, farms and forests,” says Kemie Christopher, a community volunteer working with the Kedjom-Keku Organization. As a child, he accompanied his father into the forest to hunt antelope. As an adult, he says he can’t remember the last time he saw one alive.The landscape has changed profoundly. “Today, you cannot tell the difference between grazing fields, forest and farms,” Christopher says. “Everyone is scrambling for a share of the forest.”Locals say that over time the mountain’s animals diminished then disappeared, hunted or driven out by habitat loss. In the local community, a handful of trophies – skulls, horns and skins – are the only evidence today of the forest’s former wildlife wealth.Untrained, unpaid and largely unarmed volunteer rangers are no match against land grabbers who are clear cutting the Kedjom-Keku Mountain Forest at a rapid rate. Photo by Eugene N. NforngwaThe coming of the roadThe most rapid change arrived with a new road. In 2015, Cameroon’s Ministry of Agriculture backed a project to construct the so-called “farm-to-market road.”It was packaged as a poverty fighting initiative, a way of expanding opportunities for mountain and forest dwellers. The road is one of the ministry’s Grassfield Participatory and Decentralized Rural Development projects (GP-DERUDEP), a program that receives funding from the Africa Development Bank and the World Bank.In the months following the road’s completion, hundreds of outsiders – farmers, poachers and timber exploiters – moved into the forest. Rich city dwellers, including prominent lawyers and businessmen, bought swaths of trees, most now leveled to grow maize and vegetables.Thanks to the new road, farmers can now drive or ride deeper into the forest, bringing in more labor and high impact clearing equipment including chainsaws and bulldozers. The use of agricultural chemicals has gone up too, polluting rivers and groundwater, says Mikeš.“Villagers are cutting down forests and selling the clearings as farms every day,” says Henry Gweji, a volunteer ranger who works with the regional forestry and wildlife authority. “It is easier to sell land that has already been cleared.”Agricultural production is way up in the region. The Tubah Administrative District, in which the Kejom-Keku Mountain Forest is located, is now a leading producer of huckleberries, a local staple and highly prized in the big cities because of its high fiber, low water content, dark-green color and unique bittersweet taste.The government-run Institute of Agricultural Research for Development (abbreviated IRAD in French) has now opened many hectares of potato experimental farms deep in the forest and plans to introduce new crop varieties on the mountain. Corn and vegetables produced here now sell as far away as Gabon and Equatorial Guinea.But as agricultural productivity has soared, habitat has vanished and wildlife has been devastated, says Mikeš.“It is not a farm-to-market road,” he says. “It is not a sustainable way of promoting agriculture. This place is fertile because of the forest. But all of it is going down.”Slash and burn techniques are used to clear forest in order to convert land for grazing or crops. Photo by Martik Mikes / Kedjom-Keku OrganizationNo man’s land?The Kedjom-Keku Mountain Forest was never protected by the government, despite its rich biodiversity and its hosting of an extremely rare subspecies of chimp. For that reason, efforts to conserve the forest and its wildlife have been at best marginal, led mostly by individuals like Mikeš and by lone NGOs or researchers.What conservation work that is getting done lacks the support of local authorities, who often appear to be benefitting financially from the land grab unfolding in the forest. Municipal and administrative officials turn a blind eye to the massive deforestation taking place and sometimes sanction large farm deals, according to volunteer rangers.Traditional authorities, once custodians of the forest, have become either complacent or helpless. Over time, inhabitants of surrounding villages have made incursions into forested areas, clearing land for crops or cattle, and then claiming it as either part of their ancestral heritage or as “no man’s land,” where occupation is based on a first-come, first-served basis.As a result, land conflicts and violence are on the rise. Mikeš says the biggest problem in the remaining forest is the absence of law enforcement. Though the forest has not been formally conserved, laws that could limit deforestation are not being enforced, including the banning of bush fires and the clearing of waterways and catchments.Vested interests – including wealthy individuals, the political elite and tribal groups – have rendered forest protection and wildlife conservation risky. Twice in the past year, gangs of thugs set fire to Mikeš’ forest camp, hoping to force him out. Rangers say they have been attacked during patrols and are now forced to carry machetes and other rudimentary weapons to protect themselves.Burned and cleared, a plot stands ready for cultivation in the heart of the Kedjom-Keku Mountain Forest. Photo by Martin Mikes / Kedjom-Keku OrganizationConservation, before it’s too lateDespite the dangers and a lack of government support, the few conservationists working in Kejom-Keku Mountain Forest are determined to preserve the remaining forest and wildlife.Doumbé emphasizes the need to find the missing chimpanzee group, if it still survives, and to preserve the great apes along with their habitat. “Chimpanzees are what we call a keystone species,” he says. “Their role in the tropical forest is crucial as they disperse the fruits of dozens of tree species and participate in the regeneration of the forest. Without them, many species of trees would struggle to disperse their seeds and would eventually disappear.“Also, chimpanzees have always been a part of the traditions of people living around them. They represent the wisdom and the cleverness in many traditional tales,” he says.Protecting the chimps is also important for science, adds Doumbé.“The Nigeria-Cameroon chimpanzee (also called Elliot’s chimpanzee) is – as it names reveals – only found in Nigeria and Cameroon. It is the least known and rarest of all four subspecies of chimpanzee. Therefore, there is still so much to learn from this taxon.“For example, in 2006, a chimpanzee from Ebo forest [in Cameroon’s Littoral Region] was seen cracking nuts with a rock, a behavior only observed previously in the Western chimpanzees of Ivory Coast and the Republic of Guinea. This discovery highlighted the existence of real cultures in chimpanzee populations,” Doumbé explains. “Studying the differences between these cultures is key to not only understanding better how chimpanzee cultures evolve but also to understand how our human cultures have changed and differentiated through evolution.”Doumbé’s hope may be forlorn: the massive deforestation taking place in the unprotected Kejom-Keku Mountain Forest, if not stopped, could mean that the missing Great Apes of Tubah, should they be found, may not have a forest to come home to.An aerial view showing a landscape what was once remote hillside forest, transformed into farmland. Photo by Martik Mikes / Kedjom-Keku OrganizationCitations:Doumbé OA. (2013), Habitat Mapping of the Babanki-Finge Forest, and Survey on the Rarest Chimpanzee (Pan troglodytes ellioti) in the Bamenda Highlands, North-West Cameroon. MRes Thesis: University of Roehampton, London, UK.Oates, J.F., Doumbé, O., Dunn, A., Gonder, M.K., Ikemeh, R., Imong, I., Morgan, B.J., Ogunjemite, B. & Sommer, V. (2016). Pan troglodytes ssp. ellioti. The IUCN Red List of Threatened Species 2016: e.T40014A17990330.Sesink Clee et al. (2015) Chimpanzee population structure in Cameroon and Nigeria is associated with habitat variation that may be lost under climate change. BMC Evolutionary Biology 2015 15:2FEEDBACK: Use this form to send a message to the author of this post. If you want to post a public comment, you can do that at the bottom of the page.Researcher Paul Sesink Clee: “The Nigeria-Cameroon chimpanzee is perhaps the least studied of all chimpanzee subspecies.” In our study, “[w]e were surprised to see that the Nigeria-Cameroon chimpanzees living in the savanna-woodland habitat of central Cameroon are under the most immediate threat of climate change, and may completely lose their habitCongat within our lifetime.” Photo courtesy of Article published by Glenn Scherercenter_img Popular in the CommunitySponsoredSponsoredOrangutan found tortured and decapitated prompts Indonesia probeEMGIES17 Jan, 2018We will never know the full extent of what this poor Orangutan went through before he died, the same must be done to this evil perpetrator(s) they don’t deserve the air that they breathe this has truly upset me and I wonder for the future for these wonderful creatures. 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