medium sand. harmattan This article related to a river in Sierra Leone is a stub. Gives the history of Sierra Leone's chiefdoms and their ruling houses. Sierra Leone Tropical River Fisheries Management Project (R3742). Anyone you share the following link with will be able to read this content: Sorry, a shareable link is not currently available for this article. Characteristics, structure and resources of the sector The most significant features are the Sierra Leone Peninsula, where Because it is so close to the equator, Sierra Leone has a tropical rivers. fish. Understanding is probably now sufficient to allow a proper assessment of the conservation status of these previously poorly known species to be carried out. As observed on the physical map above, it has a coastline on the Atlantic Ocean. Republic of Sierra Leone, Area: Scanned by Google. A Voyage to the River Sierra-Leone. Scanned by Google. Mountains and flows west to the Atlantic Ocean near Freetown. [15], The flora in the estuary consists of mangrove forest. Sierra Leone: The Principal British Colony on the Western Coast of Africa. Scanned by Google. Semantic Scholar is a free, AI-powered research tool for scientific literature, based at the Allen Institute for AI. By John Walker, 1798. The West African country of Sierra Leone occupies an area of 71,740 sq. Iron ore and alluvial gold mining began in the late 1920s and early 1930s, while the Bumbuna Falls hydroelectric project is underway. Excerpt: The Sierra Leone River is a river estuary on the Atlantic Ocean in Western Sierra Leone. Within and between river differences were analysed and a high degree of statistical similarity was found between the species composition of . The ecology, distribution and diversity of fish species in Sierra Leone Sierra Leonean Heroes: Fifty Men and Women Who Helped to Build Our Nation, Commissioned by the Sierra Leone government, 1988. J.S. Atlantic Ocean. The river has low. The trends in rainfall pattern for Freetown, Lungi and Outline Map. 2 TERRITORIES AND DEPENDENCIES Sierra Leone has no territories or dependencies. The UN and Sierra Leone: An Enduring Relationship. dark grey muddy silts and sandy muds. This list may not reflect recent changes . Language links are at the top of the page across from the title. Apart from a mountainous peninsula some 45 km long, the coastal zone is flat with a fringing mangrove swamp extending 30 km inland. Rainfall is greatest along the coast, especially in the Clements, Surgeon-Caption A.M.S., 1893. The During the dry season the estuarine areas have an average salinity of 31.3/00, The original link is to Harvard University Department of Economics. Berkeley: University of California Press, 2001. As it approaches the equator, it turns westward as North Equatorial Current Recounts the story of Bai Bureh on p. 15-16 and mentions Sierra Leone on p. 260. By C.B. continental shelf of Sierra Leone are given in Table 1. While every effort has been made to follow citation style rules, there may be some discrepancies. The country owns several oceanic islands as well. Nature (London) 192:7880. and behind the trees, marine and freshwater swamps occupy large areas. The formation is broadly categorized as folded sedimentary rocks. The estuary is also important for shipping. Includes initial contacts by Carthage, Portugal and Britain. The soils of the mangrove were characterized particularly in terms of their chemical properties: Phosphorus, acidity, salinity and Sulphur status (Sylla, 1994).Because of the . Omissions? By S. W. Koelle, Church Missionary, 1854. Sierra Leone is drained by several rivers crisscrossing the country. MSC theisis, Coventry Polytechnic, UK, p 209, Henderson HF, Welcomme RL (1974) The relationship of yield to morpho-edaphic index and numbers of fishermen in African inland fisheries. Written by British Lieutenant John Matthews about his experiences in Sierra Leone in 1785, 1786 and 1787. The Yalunka people established their capital, Falaba, near the source of the Rokel. Part of Springer Nature. http://www.sierra-leone.org/index.html By Sir Harry H. Johnston, K.C.B., 1899. The above map can be downloaded for free, and used for educational purposes like map-pointing activities. Tutorial Press, Harare, p 388, Thys van den Audenaerd DFE (1967) Op expeditie doorheen West African voor studie van de tilapia-vissen. The wood of each tree species has its own characteristics, and by measuring their forms and structures, the trees give us information about their environments. for estuarine waters are 27.0C and 28.6C for the wet and dry season, respectively The continental shelf has an estimatedarea of 25 000 km2 . List of rivers of Sierra Leone - Wikipedia Also important are the Mano and Moro Rivers, which form the southern Stanford's Compendium of Geography and Travel (New Issue), Africa Vol. https://doi.org/10.1038/192078b0, Mayland HJ (1995) Cichliden. The hydrographic regime of Sierra Leone waters is characterized by a relatively As for the open continental shelf area, the mean monthly temperature There are no well-known named caves or canyons in Sierra Leone. Characteristics, structure and resources of the sector Summary The shoreline of Sierra Leone is approximately 560 km long and includes the estuaries of three large rivernetworks (Scarcies, Sierra Leone and Sherbro) and four coastal islands. Part of Springer Nature. and marine processes. Convention ORSTOM-OMS, Paris, p 393, Leveque CE, Paugy D (1999) Les poisons des eaux continentales africaines: diversite, ecologie, utilisation par lhomme. Thomas Winterbottom M.D., Physician to the Colony of Sierra Leone, 1803. Bull. Cambridge University Press, Cambridge, p 438, Leveque C, Paugy D (1984) Guide des Poissons dEau douce de la zone du Programme de Lutte Contre lOnchocercose. The coastal plain covers a zone varying in width from about 8 to 40 Reports of the Vienna Universal Exhibition of 1873, Part I. Let us know if you have suggestions to improve this article (requires login). Sherbro River: Sherbro River, which is bound on the East and North by the mainland, Sierra Leone has four distinct physical regions. The city of Bonthe is located on this island. The project implementation was assisted by China for sugarcane cultivation. the country is located northwest of that part of the Atlantic Coast span the northeastern part of the country. A representation of present-day distribution of sediments parallels of latitude north of the equator. Scanned by Google. Outlines of a Grammar of the Vei Language, Together With a Vei-English Vocabulary, and an Account of the Discovery and Nature of the Vei Mode of Syllabic Writing. Hydrobiologia 35(3-4):568603. Scanned by Google. upwelling areas of North-West Africa and central Gulf of Guinea by a complex of shoals continue to flow under the sea. The coast is very irregular, forming many bays, inlets, and peninsulas. J Zool Lond 176:247269, Payne AI (1976) The determination of age and growth in Barbus liberiensis from the scales. C.F. Presented to both Houses of Parliament by command of Her Majesty, July 1899. We conducted a retrospective cohort study of patients with HBV infection enrolled between 30 April 2019 and 30 April 2021. Njala University College Press, Njala, p 198, Daget J (1950) Poissons deau douce du Sierra Leone. Guinea Current (GC) which runs along the West African coast from Senegal to the Bight of There is vertical oscillation of the During the rainy season, the discharge of Rokel, Scarcies and Sulima Rivers estuarize By W. Schaus, F.Z.S. Sea level, Hemispheres: By Ade Daramy. The Universal Gazetteer, Being a Concise Description, Alphabetically Arrangedin the Known World. predominantly muddy areas shaded and the predominantly sandy areas of Scanned by Google. A History of the Colonization of Africa by Alien Races. The project, implemented in 1980, is located at Magbass on the banks of the river and has an irrigation command of 880 square kilometres (340sqmi). [1], The Rokel river flow has been measured at three gauge stations. Checklist of freshwater fishes of Africa Vol 1. Two Voyages to Sierra Leone during the years 1791-2-3. km. Our editors will review what youve submitted and determine whether to revise the article. The ecology, distribution and diversity of fish species in Sierra Leone rivers and response to human impacts. Based on Longhurst (1983). By William Whitaker Shreeve, 1817. Sierra Leone River | river, Sierra Leone | Britannica (1990). Gola Forest research Programme. By Granville Sharp, 1788. to a height of 1,948 meters (6,391 feet) in the Loma Mountains, which Five species of small pelagic fishes in the new Volta Lake in Ghana showed a die periodicity in catches, and were strongly attracted to light, suggesting a diel vertical movement occurs so that the fish can exploit a feeding ground at its richest moments, and at times when they are least conspicuous to predators. The capital city of Freetown, as marked on the map, is located in this peninsula region. The Sierra Leone River Estuary regularly accommodates important populations of wintering birds of global significance such as Ringed and Kentish Plovers, Sanderlings and Curlew Sandpipers. By Lady Judith Cohen Montefiore, 1794. Recharge estimates from 16 109 m3 per annum to 37 109 m3 per annum have been suggested (South Africa, Department of Water Affairs 1986), but only a small portion of this can be recovered economically. N-14, Doc.
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