Arly National Park

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Summary

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• Western chimpanzees (Pan troglodytes verus) are extirpated from Arly National Park.
• The last population estimate was zero individuals.
• Last unconfirmed sightings by local residents were reported in 1999 and 2002.
• This site has a total size of 760 km².

Site characteristics

Arly National Park is a national park located in Tapoa Province, southeastern Burkina Faso. It adjoins Benin's Pendjari National Park in the south and the Singou Reserve in the west. The park is 760 km2 large and has a wide variety of habitats, ranging from the gallery forests of the Arly and Pendjari rivers to savanna woodland and sandstone hills of the Gobnangou chain. It is home to around 200 African elephants (Loxodonta africana), 200 hippopotamus (Hippopotamus amphibius) and 100 lions (Panthera leo). There are also buffaloes, baboons (Papio sp.), green monkeys (Chlorocebus sabaeus), warthogs, and various antelopes, such as the western hartebeest (Alcelaphus buselaphus) and roan antelope (Hippotragus equinus). There are also bushbucks (Tragelaphus scriptus), duikers and waterbuck (Kobus ellipsiprymnus, Manson & Knight 2006).

Table 1. Basic site information for Arly National Park

Area	760 km²
Coordinates	11.61, -1.22
Designation	National Park
Habitat types	Subtropical/tropical dry forest, Dry savanna

IUCN habitat categories Site designations

Ape status

The perennial or seasonal presence of Pan troglodytes verus in Burkina Faso is unlikely (Ginn et al. 2013).

Table 2. Ape population estimates in Arly National Park

Species	Year	Abundance estimate (95% confidence interval)	Density estimate (per km²)	Encounter rate (nests/km)	Area	Method	Source	Comments	A.P.E.S. database ID
Pan troglodytes verus	2012		0	0	Arly National Park	Index survey and interview method	Ginn et al. 2013	Total survey effort: 250 km, reconnaissance survey in five forest reserves along the southern border of Burkina Faso, Arly National Park and Pama Partial Reserve in the south-east, Comoé-Léraba Partial Reserve in the south-west, and Koulbi Protected Forest and Nazinga Game Ranch and Reserve in the south central region.

Threats

As chimpanzees are likely extirpated from Arly National Park threats to chimpanzees were not reported.

Table 3. Threats to great apes in Arly National Park

Category	Specific threats	Threat level	Quantified severity	Description	Year of threat
1. Residential & commercial development		Not reported
2. Agriculture & aquaculture		Not reported
3. Energy production & mining		Not reported
4. Transportation & service corridors		Not reported
5. Biological resource use		Not reported
6. Human intrusions & disturbance		Not reported
7. Natural system modifications		Not reported
8. Invasive & other problematic species, genes, diseases		Not reported
9. Pollution		Not reported
10. Geological Events		Not reported
11. Climate change & severe weather		Not reported
12. Other options		Not reported

IUCN Threats list

Conservation activities

As chimpanzees are likely extirpated from Arly National Park conservation activities to chimpanzees were not reported.

Table 4. Conservation activities in Arly National Park

Category	Specific activity	Description	Year of activity
1. Residential & commercial development	Not reported
2. Agriculture & aquaculture	Not reported
3. Energy production & mining	Not reported
4. Transportation & service corridors	Not reported
5. Biological resource use	Not reported
6. Human intrusions & disturbance	Not reported
7. Natural system modifications	Not reported
8. Invasive & other problematic species, genes, diseases	Not reported
9. Pollution	Not reported
10. Education & Awareness	Not reported
11. Habitat Protection	Not reported
12. Species Management	Not reported
13. Livelihood; Economic & Other Incentives	Not reported

Conservation activities list (Junker et al. 2017)

Challenges

Lack of national protection was reported as a challenge (Hogan 2009).

Table 5. Challenges reported for Arly National Park

Challenge	Source
Lack of national protection	Hogan 2009

Research activities

As chimpanzees are likely extirpated from Arly National Park conservation activities to chimpanzees were not reported.

Documented behaviours

Table 6. Great ape behaviors reported for Arly National Park

Behavior	Source
Not reported

References

Ginn LP, Robinson J and Redmond I. 2013. Strong evidence that the West African chimpanzee is extirpated from Burkina Faso. Oryx. 47(3): 323–327
Hogan MC. 2009. Painted Hunting Dog: Lycaon pictus. Online: GlobalTwitcher.com
Manson, K.; Knight (2006). "IV: The East". Burkina Faso. Bradt Travel Guides, The Globe Pequot Press Inc. p. 196. ISBN 1841621544. Retrieved June 17, 2008.

Page completed by: A.P.E.S. Wiki Team Date: 04/10/2019