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Nigeria risks losing all its forest elephants

Abuja, Mar 12 (Prensa Latina) Nigeria is one of 37 African countries where elephants are found in the wild. Savannah elephants (Loxodonta africana) can be found in the north and forest elephants (Loxodonta cyclotis) in the south.

It’s not clear how many elephants there are in Nigeria. Eighteen years ago, the African Elephant Study Report estimated that there were just 94 elephants left in the country. In 2021, it was estimated that there could be about 400 elephants in areas not systematically surveyed.

What we do know, however, is that the numbers and ranges of elephants in Nigeria have declined greatly over time. The main cause of this has been human activity, like logging and agriculture, which threaten their survival by reducing their natural habitat. Some elephant populations have been lost. Others exist only in small, fragmented areas.

Elephant surveys had not been carried out in southern Nigeria for over a decade, and sightings of forest elephants are rare. Forest elephants are of particular interest because they’re classified as Critically Endangered by the International Union for the Conservation of Nature. We carried out a study to establish their presence and determine the factors affecting their conservation.

We visited four protected areas in two national parks and one forest reserve in southern Nigeria. We did find small populations, totalling 40 forest elephants. This is not a viable population in the long run as it has been suggested that “viable” elephant populations may range from 400 to 6,000 individuals.

Their survival is being threatened for six reasons, in particular the impact of people’s activities.

We visited Okomu National Park; Omo Forest Reserve; and the Okwango and Oban Divisions of the Cross River National Park.

Elephants were caught on camera traps in the Omo Forest Reserve and Okomu National Park. They were sighted in the Okomu National Park and the Oban Division of the Cross River National Park. In the Omo Forest reserve, we found the charred bones of a poached elephant.

Of the 40 identified using micro-satellite markers, seven were in Omo Forest Reserve, 14 from Okomu National Park, 11 from Oban Divison and eight from Okwango Division.

Firstly, our study found evidence that pressure from human activity and changes in land use were influencing elephant distribution in the study locations. These were also contributing to habitat fragmentation and forest degradation.

We found that land within and around the protected areas we studied had been converted to settlements. It is also used for farming and monoculture plantations, where elephant food is limited. This has resulted in habitat loss and forest fragmentation, restricting the ranges of the elephant populations.

Second, the presence of hunters’ sheds, spent cartridges, traps and hook snares showed that illegal hunting persisted in all the study locations. We found the carcass of an elephant during the study. Hunting, as a threat to biodiversity conservation, has already been proven in studies of Kainji National Park, Okomu National Park and the Cross River National Park. Arrests don’t always deter offenders because the punitive measures aren’t heavy enough.

Thirdly, human-elephant conflict is pervasive. Elephants raided crops and destroyed property in and around the study locations. Most farmers in the surrounding communities lacked alternative sources of livelihood. Even small losses were of economic importance and led to negative attitudes towards conservation.

In the Okomu National Park — which lacks a buffer zone — we detected elephant activity outside the protected areas.

Fourthly, the distribution of the elephants in small groups means that they face a high risk of local extinction. The populations in the Omo Forest Reserve and the Okomu National Park are completely isolated. The protected areas are surrounded by farmlands and human settlements and the elephants don’t intermingle with other populations.

Fifth is the issue of forest degradation and shrinking of forest space. The Omo Forest Reserve is a Strict Nature Reserve — meaning it’s not open to tourism — and is one of Nigeria’s four biosphere reserves. But most of the forest is degraded and has reduced in size.

The final threat to elephants is that farmers were not paid compensation for crop losses arising from elephant raids in the study locations. This contributed to a negative attitude towards conservation. The Federal Government of Nigeria has no policy provision for compensation to farmers. The Aichi Biodiversity Targets encourage incentives as a means of safeguarding biodiversity.

Ecologically, elephants are a keystone species which have a massive impact on the ecosystem. Their loss would have an impact on the environment. Economically, they are drivers of tourism, and culturally they are icons of the African continent.

There are several steps that can be taken to protect them. Awareness programmes, livelihood opportunities and compensation should be introduced to farmers. Together with acoustic deterrents and other mitigation methods used around the world, they could check losses due to crop raids.

Community conservation education and awareness programmes work. They should be rolled out to help change negative attitudes and get people to cooperate in conservation efforts.

In our study we observed that elephants avoided harming cocoa farms. In cases where elephants passed through them, the cocoa was not eaten. This behaviour was also reported at the Bossematié Forest Reserve, Côte d’Ivoire. This observation needs to be investigated to test whether cultivation of these crops could mitigate conflict between people and elephants.

Finally, a species management and monitoring plan should be put in place to help conserve Nigeria’s forest elephant populations. A nationwide survey, to assess the population of elephants in all ranges in Nigeria, should be top priority.

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