In 2021, GRACE completed the first-ever great ape survey of the entire Tayna Nature Reserve, in eastern Democratic Republic of the Congo (DRC). How...[details]
To achieve information on distribution, density and population size of gorillas, inventories are conducted periodically and sometimes cover vast areas.
A recent paper in the American Journal of Primatology by Andrew Plumptre and colleagues examined the largest survey dataset for Grauer's gorillas Gori...[details]
Over the past five years the conservation community has successfully completed what, to date, have been the most intensive and comprehensive...[details]
My entire childhood was spent in the south of France, on a hill between an evergreen oak forest and the garrigue. Our family had a lot of cats, who...[details]
Equatorial Guinea's forests maintain some of the highest levels of biodiversity in Central Africa (Sunderland 2005). Despite its small size, the...[details]
The northern sector of Mount Tshiaberimu is an integral part of the Virunga National Park (VNP), the west is adjacent to Lake Edward in North Kivu...[details]
Camera trapping has become a predominant method for wildlife monitoring (Burton et al. 2015; Steenweg et al. 2017), including primates (Gerber et al....[details]
Taking into account the latest census from Bwindi-Sarambwe, and including the figures for Virunga gorillas from the 2015-2016 census, the global total...[details]
Great ape populations in Africa and Asia are severely threatened by the combined impacts of habitat loss, poaching, illegal trade, and disease. Since...[details]
Gorillas were 'discovered' in the Ebo forest in 2002 (Morgan et al. 2003) and since then the Zoological Society of San Diego's Ebo Forest Research...[details]
Kahuzi-Biega National Park (KBNP) is home to exceptionally diverse flora and fauna and represents an important site in the Albertine Rift, one of the...[details]
In a paper published in the journal Science Advances, Samantha Strindberg, Fiona Maisels and 52 coauthors provide the most comprehensive assessment to...[details]
In 2015 to 2016 another gorilla census was conducted in the Virunga Volcanoes - and as the censuses before, the result was very positive again. It...[details]
In January 2014 I started to study the ecology of Cross River gorillas at the Tofala Hill Wildlife Sanctuary (THWS) in collaboration with the local...[details]
Grauer's gorillas are a subspecies of eastern gorillas and live in eastern Democratic Republic of the Congo - an area where fighting between various...[details]
Accurate population assessments of endangered species are of great importance for determining conservation priorities and measuring the success of...[details]
The Usala forest sits at the heart of the 30,000 km² Maiko Tayna region of eastern Democratic Republic of the Congo, and is among the most intact,...[details]
Maiko National Park, Democratic Republic of the Congo, lies in one of the most remote forest areas in the world. It is an incredible wilderness area,...[details]
Designated in 1988 under the UNESCO Man and the Biosphere Program, Dimonika Biosphere Reserve is located in the central Mayombe Mountain chain in the...[details]
The Cross River gorilla (Gorilla gorilla diehli) is Critically Endangered, with perhaps fewer than 250 individuals remaining within their range, which...
The Dian Fossey Gorilla Fund International (DFGFI) has expanded its efforts in the Democratic Republic of the Congo (DRC) to build a new Grauer’s...[details]
A census of the gorillas in Bwindi Impenetrable National Park conducted in 2011 confirms a minimum population of 400 gorillas, raising the world...
A monitoring plan for gorillas and elephants has just been launched in the highland sector of the Kahuzi-Biega National Park (KBNP). Its purpose is...
Deng Deng - Previous Surveys
In 1998 an environmental impact survey of a proposed oil pipeline route from Chad to Cameroon was commissioned by the...
A census team led by the Wildlife Conservation Society and the Institut Congolais pour la Conservation de la Nature (ICCN) in Kahuzi-Biega National...[details]
The Kasese region contains the Kahuzi-Biega National Park (KBNP), the Maïko National Park and various forests that are not gazetted as protected areas...[details]
Recently, I spent 10 days in the field as part of a team counting mountain gorillas during a 2-month census which took place from 1st March to 25th...[details]
The Wildlife Conservation Society (WCS) has been undertaking biological inventories in the Itombwe Massif since 1995. This area holds the largest and...
Conservation research on gorillas has, to date, mainly focused on demographic factors, human impacts, and the influence of disease. Genetic data have...
Accurate population size estimates are an essential part of every effective management plan for conserving endangered species. Censusing rare and...
On 5 August, 2008, at the XXII International Primatological Society Congress in Edinburgh, the Wildlife Conservation Society (WCS) announced the...
Cameroon is an important country for both gorillas and chimpanzees. To the south of the Sanaga River, western lowland gorillas (Gorilla gorilla...