Central Chimpanzee

Central Chimpanzee

name = Central Chimpanzee [http://www.panda.org/about_wwf/what_we_do/species/about_species/species_factsheets/great_apes/chimpanzees/central_chimpanzee/index.cfm World Wildlife Fund: Central chimpanzee] . Retrieved 18 July 2008.]
status = EN
status_system = iucn3.1
status_ref = IUCN2007|assessors=Tutin, C.E.G., Baillie, J.E.M., Dupain, J., Gatti, S., Maisels, F., Stokes, E.J., Morgan, D.B. & Walsh, P.D.|year=2007|id=15936|title=Pan troglodytes troglodytes|downloaded=2008-07-18]

image_width =
regnum = Animalia
phylum = Chordata
classis = Mammalia
ordo = Primates
familia = Hominidae
genus = "Pan"
species = "P. troglodytes"
subspecies = "P. t. troglodytes"
trinomial = "Pan troglodytes troglodytes"
trinomial_authority =

range_map_width = 240px

The Central Chimpanzee ("Pan troglodytes troglodytes") is a subspecies of the Common Chimpanzee (the closest living relative to humans, along with the Bonobo). It occurs mainly in Gabon, Cameroon, and the Republic of the Congo, but also, to a lesser extent, in other regions.


"Pan" is derived from the Greek god of fields, groves, and wooded glens, Pan. "Troglodytes" is Greek for 'cave-dweller', and was coined by Johann Friedrich Blumenbach in his "Handbuch der Naturgeschichte" ("Handbook of Natural History") published in 1779.


The Central Chimpanzee is considered a subspecies of the Common Chimpanzee ("Pan troglodytes"), along with the Western Chimpanzee ("P. t. verus"), the Nigeria-Cameroon Chimpanzee ("P. t. vellerosus"), and the Eastern Chimpanzee ("P. t. schweinfurthii").

Distribution and habitat

The Central Chimpanzee occurs in Central Africa, mainly in Gabon, Cameroon, and Republic of the Congo, but also in the Central African Republic, Equatorial Guinea, the Cabinda exclave of Angola , south-east Nigeria, and (possibly) the coastal extension of the Democratic Republic of the Congo. Its range extends north to the Sanaga River in Cameroon, east to the Ubangi River that defines the border between the two Congos, and south to the Congo River, which defines a large part of the same border. [http://www.panda.org/about_wwf/what_we_do/species/about_species/species_factsheets/great_apes/chimpanzees/central_chimpanzee/cchimpanzee_population_distribution/index.cfm WWF: Central chimpanzee – Population & Distribution] . Retrieved 18 July 2008.]

Chimpanzees are found predominantly in tropical moist forests and wet savanna woodlands, as well as the forest-savanna mosaics where these two biomes meet, from sea level to convert|3000|m|ft. [http://www.wwf.org.uk/researcher/issues/rarespecies/0000000147.asp WWF: Chimpanzee facts and issues] . Retrieved 18 July 2008.] They tend to have larger ranges in the forest-savanna mosaics. The average range isconvert|12.5|km2|sqmi|abbr=on, but can vary from convert|5|km2|sqmi|abbr=on to convert|400|km2|sqmi|abbr=on.


The 2007 International Union for Conservation of Nature (IUCN) Red List of Threatened Species classifies the Cenral Chimpanzee as Endangered. In 1988 they were considered "Vulnerable", but have been considered "Endangered" since at least 1996. The World Wildlife Fund (WWF) estimates there are as many as 115,000 individuals alive,, but that the number is more likely between 47,000 and 78,000 The Central Chimpanzee only has large, robust populations where large amounts of forest are left undisturbed; smaller, isolated populations also remain. According to the IUCN, decline in the Central Chimpanzee population is expected to continue for another 30 to 40 years.

Major threats to Central Chimpanzee populations include Ebola hemorrhagic fever, poaching for bushmeat, and habitat destruction. The IUCN attributes this to increasing human presence (agriculture, de-forestation, development) and political instability.

Due to their close genetic relationship to humans, chimpanzees are vulnerable to viruses that afflict humans, such as Ebola, the common cold, influenza, pneumonia, whooping cough, tuberculosis, measles, yellow fever, HIV and may contract other parasitological diseases such as schistosomiasis, filariasis, giardiasis, and salmonellosis.

Link with HIV-1

Two types of Human Immunodeficiency Virus (HIV) infect humans: HIV-1 and HIV-2. HIV-1 is the more virulent and easily transmitted, and is the source of the majority of HIV infections throughout the world; HIV-2 is largely confined to west Africa.cite journal |author=Reeves JD, Doms RW |title=Human immunodeficiency virus type 2 |journal=J. Gen. Virol. |volume=83 |issue=Pt 6 |pages=1253–65 |year=2002 |month=June |pmid=12029140 |doi= |url=http://vir.sgmjournals.org/cgi/pmidlookup?view=long&pmid=12029140] Both types originated in west and central Africa, jumping from primates to humans. HIV-1 has evolved from a Simian Immunodeficiency Virus (SIVcpz) found in the Central Chimpanzee.cite journal |author=Keele BF, Van Heuverswyn F, Li Y, "et al" |title=Chimpanzee reservoirs of pandemic and nonpandemic HIV-1 |journal=Science (journal) |volume=313 |issue=5786 |pages=523–6 |year=2006 |month=July |pmid=16728595 |doi=10.1126/science.1126531 |url=] cite journal |author=Gao F, Bailes E, Robertson DL, "et al" |title=Origin of HIV-1 in the chimpanzee Pan troglodytes troglodytes |journal=Nature |volume=397 |issue=6718 |pages=436–41 |year=1999 |month=February |pmid=9989410 |doi=10.1038/17130 |url=] Kinshasa, in the Democratic Republic of Congo, has the greatest genetic diversity of HIV-1 so far discovered, suggesting that the virus has been there longer than anywhere else. HIV-2 crossed species from a different strain of SIV, found in the Sooty Mangabey, monkeys in Guinea-Bissau.


External links

* Jane Goodall Institute: [http://www.janegoodall.org/chimp_central/default.asp Chimpanzee Central]
* Animal Diversity Web: [http://animaldiversity.ummz.umich.edu/site/accounts/information/Pan_troglodytes.html "Pan troglodytes"]

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