Comoé National Park
The Comoé National Park is a Biosphere Reserve and UNESCO World Heritage Site in the Zanzan and Savanes Districts of north-eastern Ivory Coast. It is the largest protected area in West Africa, with an area of 11,500 km2, and ranges from the humid Guinea savanna to the dry Sudanian zone. This steep climatic north-south gradient allows the park to harbour a multitude of habitats with a remarkable diversity of life. Some animal and plant species even find their last sanctuary in some of the different savanna types, gallery forests, riparian grasslands, rock outcrops or forest islands.
The park was initially added as a World Heritage Site due to the diversity of plant life present around the Comoé River, including pristine patches of tropical rain forest that are usually only found further south. As a well-eroded plain between two large rivers, the land in the area is home to relatively infertile soils and a moisture regime suitable to a richer biodiversity than surrounding areas. In 2003 it was added to the list of World Heritage Sites in Danger due to poaching, absence of management, overgrazing of the park by cattle, problems that intensified after the outbreak of the First Ivorian Civil War.
The area around the Comoé National Park was historically always sparsely populated. Most likely due to the relative barenness of the soil, the presence of the river blindness disease around the Comoé river and the high density of Tsetse flies, which is a vector for sleeping sickness. In 1926 the area between the Comoé River and Bouna was declared "Refuge Nord de la Côte d'Ivoire", which was enlarged later in 1942 and 53 to "Réserve de Faune de Bouna", giving it some rudimentary protection. The area west of the Comoé river was added to the property on the 9th of February 1968 combined with an elevation to National Park status with an area of 11,500 square kilometres (4,400 sq mi), making it one of the 15 largest National Parks in the World and the largest in West Africa. In 1983 the park was pronounced a biosphere reserve and a UNESCO World Heritage site, due to its unique biodiversity.
After the outbreak of the first Ivorian civil war the park was listed as a World Heritage Site in Danger in 2003, due to absence of management leading to poaching and overgrazing of the park by cattle. During the time between the two civil wars the park suffered greatly under intensive poaching. After the end of the Second Ivorian Civil War the park was able to recover again with the presence of the OIPR (park management) and the re-inauguration of the research station.
The steep climatic north-south gradient comprises a multitude of habitats containing a remarkable diversity of life, making it the most biodiverse savanna in the world, and ranges from the dry Sudanian zone to the comparatively humid Guinea Savanna. These habitats include for the most part different savannas, forest islands, gallery forests and riparian grasslands, thereby providing an ideal example of transitional habitats throughout various climatic zones. The Comoé river, flowing throughout Côte d'Ivoire also allowed for various habitats and plant associations normally found further south to exist in the park, like patches of dense gallery forest in the vicinity of the river. This variety of habitats throughout different zones and the vast area dedicated to the conservation of natural resources make it an ecological unit of particular importance and a UNESCO World heritage site.
Geomorphologically the park consists of large plains through which the Comoé River and its tributaries flow (Iringou, Bavé, Kongo). The Comoé river and its tributaries form the main drainage and the Comoé runs through the park for 230 kilometres (140 mi), with watercourses also draining to the Volta in the east. There are also various permanent and semi permanent ponds distributed throughout the park, most of which dry out during the dry season. The soils are for the most part infertile and unsuitable for cultivation. Granite inselbergs also rise up to 600 metres (2,000 ft) within the park's area.
Comoé National Park has the most biodiverse savannah in the world and forms the northern limit for many animal species, like the yellow-backed duiker and bongo. There are a total of 135 mammal species in the park. This includes 11 species of primates like the olive baboon, green monkey, Diana monkey, lesser spot-nosed monkey, Mona monkey, black and white colobus, white collared mangabey and chimpanzee. A total of 17 carnivore species are present, like the lion, leopard, giant pangolin, rock hyrax, spotted hyena and aardvark. There are also 21 species of artiodactyl present in the park including hippopotamus, bushpig, sitatunga, warthog, buffalo, kob, red-flanked duiker, bushbuck, waterbuck, roan antelope and oribi. Threatened mammal species include the African elephant, wild dogs and possibly one of the last large populations of chimpanzee left in the Ivory Coast.
There are over 500 species of birds, of which roughly 20% are inter-African migratory birds and another 5% palearctic migratory birds. Some prominent bird species include the Denham's bustard, yellow-casqued hornbill, brown-cheeked hornbill, hammerkop, black-winged stilt, various raptors, four of the six West African stork species and five vulture species. The park also contains 36 out of the 38 of the iconic bird species found in Sudo-Guinean savannas.
The Comoé river and its tributaries contain at least 60 different species of fish and allow for an unusually high diversity of amphibian species for a savannah habitat with 35 described species. There are also a total of 71 described reptile species, of which three are crocodiles: the dwarf crocodile (threatened), Nile crocodile and slender-snouted crocodile. The floodplains around the river create seasonal grasslands that are optimal feeding grounds for hippopotamus and migratory birds.
The property contains around 620 plant species, composed of 191 ligneous species (62 trees, 129 shrubs and vines) and 429 herbaceous species, including 104 grasses. The park encompasses various transitional habitat, from forest to savannah, with various plant associations typical of more southern regions. Gallery forests, open forests and riparian grasslands occur alongside all types of savannah, which occupy roughly 90% of the park. The forest is composed of many leguminous trees. In the gallery forests Cynometra sp. is the most dominant genus while patches of dry forest islands are generally inhabited by Anogeissus leiocarpus, Antiaris africana, Isoberlinia doka, Cola cordifolia, the nationally threatened Chlorophora excelsa and Blighia unijugata. In the flood plains Hyparrhenia rufa is the most common species.
Comoé National Park Research station
The Comoé National Park Research Station, located in the Comoé National Park, Côte d'Ivoire, was founded by Professor Karl Eduard Linsenmair in 1989/90. Its state of the art facilities, with electricity, running water, Internet and a large climatised laboratory make it one of the most modern field stations in Africa. The research station was forced to close after the outbreak of the First Ivorian Civil War in 2002. After the end of the Second Ivorian Civil War in 2011 repairs at the station began and in 2014 the station had achieved again its full working capacity. The focus of the field-based research is on conservation, tropical ecology and behaviour.
The Comoé National Park was listed as a World Heritage Site in Danger in 2003 mainly due to an increase in poaching caused by the lack of management after the outbreak of the first ivorian civil war. After the end of the Second Ivorian Civil War and the stabilisation of the region the wildlife authority agency OIPR (Office Ivorien des Parcs et Reserves) has resumed their work in the Comoé National Park. The OIPR applied to the Rapid Response Facility (RRF) for funding and was successful in being awarded a maximum grant of $30,000 to secure the park. The major challenges management faces are successful combating of poaching, reducing agricultural pressures and the renovation of the streets in the park for proper access control. The main projects to combat these problems are the establishment of an efficient surveillance system in the park and close cooperation with local communities to reduce the pressures on the periphery of the park through participatory management and the establishment of sustainable income sources for the villagers.
|Comoé National Park, Ivory Coast|
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