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BROCHURE RACK

Chimps released into Guinea Forest have formed a breeding group

09/04/2011 10:02:39
world/Africa/collar_chimp

Released chimpanzee with newborn. Credit Anthony Bibard

Orphan chimpanzees successfully released into the wild using advanced GPS technology
April 2011. The 2008 release of 12 orphan chimpanzees into the wild using sophisticated GPS tracking technology has been deemed a success by the project team.

The release was the first of its kind to use GPS tracking collars to monitor the progress of the chimpanzees. The ARGOS system emits GPS points to satellites downloadable via the internet. It is also only the second time that rehabilitated chimpanzees have been released back into the wild in an area where other wild chimpanzees live.

Guinea
Dr Tatyana Humle from the University of Kent is the scientific advisor to the project, which is being carried out by the Chimpanzee Conservation Centre in the Haut Niger National Park, Guinea, West Africa. This centre is one of 14 Pan African Sanctuary Alliance (PASA)-accredited sanctuaries caring for chimpanzee victims of the pet and bush meat trade.

6 males and 6 females
Six males and six females between eight and 20 years old were released in June 2008. Over two years after the release, nine chimpanzees remain free-living with two males and three females forming a group at the original release site. Two of these females gave birth to healthy offspring and another female successfully integrated into a wild chimpanzee community

The release presented a number of challenges for researchers including finding a suitable release area, assessing its overlap with the home range of other wild chimpanzees to minimize competition and the risk of aggression, and ensuring the chimpanzees' ability to survive independently of human assistance.

The GPS points stored on the collars allowed researchers to monitor the chimpanzees' behaviour including their habitat use, day travel range and association patterns. The ARGOS system also facilitated several rescue missions to retrieve chimpanzees when they strayed too far from the protected release site.

Significant conservation benefits
The release project has brought significant conservation benefits to the local area. Environmental education and awareness raising programmes have been established in and around the park, illegal logging activities have stalled and illegal hunting and fishing activities have been reduced.

Other sanctuaries and conservation centres are set to benefit significantly from the project's pioneering use of new technology.

Dr Humle, from the University's School of Anthropology and Conservation, said: ‘This release demonstrates that under special circumstances the release of wild-born adult chimpanzees of both sexes is a viable strategy, which can also function as an effective conservation tool. The lessons learnt and the experience gained so far will benefit other sanctuaries that are also considering the option of releasing suitable candidates in the future. We still have much to learn about how rehabilitation, pre- and post-release procedures, and monitoring protocols impact release success. We can only hope that increased collaboration among academics, conservationists and sanctuaries will help bridge these gaps.'

‘Group Release of Sanctuary Chimpanzees (Pan troglodytes) in the Haut Niger National Park, Guinea, West Africa: Ranging Patterns and Lessons So Far' was originally published in the International Journal of Primatology andcan be accessed at: http://www.springerlink.com/content/3x307609x4361x1q/

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