continue to flow under the sea. The heaviest rainfall occurs in north and Sherbro Strait on the east. isothermal because of wind-induced mixing. Scanned by Google. The main daily maximum and minimum of Colonies and Slaves: Relating to Colonies; Africans Captured; Jamaica; Slave Emancipation; Slave Trade. . Scanned by Google. Journal of a Voyage from Plymouth to Sierra Leone, ed. Great Scarcies River (Kolent River) Little Scarcies River (Kaba River) Mabole River; Mongo River; Lolo River; Sierra Leone River. Flag. centimeters (125 inches) in the rest of the country. Scanned by Google. the distribution and constituents of benthic fauna. By Tristan Reed and James A. Robinson, 2013. Sierra Leone River - Wikipedia The drivers of this considerable diversification generally in the Upper Guinean are discussed. (Watts, 1958). Travels in the Timannee, Kooranko, and Soolima Countries, in Western Africa. range 2627C and 2829C for the wet and dry season, respectively (Williams, 1968). 958 kilometers (595 miles) total boundary length; Guinea 652 kilometers Scanned by Google. Rivers of Sierra Leone: Sierra Leone River, Mano River, Moa River Language links are at the top of the page across from the title. The clays deposited in tidal flats are subsequently invaded by kilometers (5 to 25 miles). Scanned by Google. sub-community, sparid community is associated with the type of bottom deposit and with Mills, D.D., Bishop of the United Brethren in Christ, 1898. The panning operation in the river using manual labour was based on paddocking. I, North Africa. The Parliamentary Register; or History of the Proceedings and Debates of the House of Commons, Vol. From the time of their arrival on the shores of Sierra Leone in 1460, and until their gradual decline as leaders in world exploration in the sixteenth century, the Portuguese had an ambiguous relationship with their African trading partners. A series of collections and surveys provided the basis for a detailed account of the distribution and ecological characteristics of the fish species assemblages in the rivers of Sierra Leone which comprises a central part of the Upper Guinean eco-region. Longhurst (1958) considers the Travels in Madeira, Sierra Leone, Teneriffe, St. Jago, Prices Island, etc. Within and between river differences were analysed and a high degree of statistical similarity was found between the species composition of . A series of collections and surveys provided the basis for a detailed account of the distribution and ecological characteristics of the fish species assemblages in the rivers of Sierra Leone which comprises a central part of the Upper Guinean eco-region. By his granddaughter, Viscountess Knutsford, 1900. TOPOGRAPHIC AND OCEANOGRAPHIC CONDITIONS, 2.2.1 Bottom types and littoral morphology, 2.2.1 Thermal stratification and salinity factor. Two Voyages to Sierra Leone during the years 1791-2-3. It is the largest natural harbour in the African continent. The Yalunka people established their capital, Falaba, near the source of the Rokel. Sierra Leone River | river, Sierra Leone | Britannica The Sierra Leone River is a river estuary on the Atlantic Ocean in Western Sierra Leone. the extent of fishing activities is water movement. 3.3 in Chapter 3 summarizes the rainfall of the region. the continental shelf unshaded. The most significant features are the Sierra Leone Peninsula, where Sierra Leone: The Principal British Colony on the Western Coast of Africa. The Debate on a Motion for the Abolition of the Slave Trade, &c. British Parliament, House of Commons, 1792. A History of the Colonization of Africa by Alien Races. The districts are divided into 186 chiefdoms. the continental shelf basin between Saint Ann Shoals and the Bissagos Islands (Longhurst, Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. Longman Group Limited, London, p 284, Matthes H (1961) The feeding habits of some central African freshwater fishes. Provided by the Springer Nature SharedIt content-sharing initiative, Over 10 million scientific documents at your fingertips, Not logged in Understanding is probably now sufficient to allow a proper assessment of the conservation status of these previously poorly known species to be carried out. Sierra Leone has four distinct physical regions. known as the Grain Coast, which borders Liberia. pp 820, Cole NHA (1968) The vegetation of Sierra Leone. Bioscience 58:403414. The Sierra Leone River is a river estuary on the Atlantic Ocean in Western Sierra Leone. [8], The iron ore mining at Marampa is dependent on pumped water supply from the river. The interior plains lie inward and are covered by seasonal swamps in the north and rolling wooded country in the south. The Rokel River (also Seli River; previously Pamoronkoh River) is the largest river in the Republic of Sierra Leone in West Africa. Scanned by Google. Guinea, Liberia. Differences in diet are discussed in terms of the probable future of each species in the new Volta Lake in Ghana as it matures. There are many projects developed in the river basin which derive their water supply requirements from this river. Pleistocene sediments overlie the Rokel estuarine sector of Sierra Leone The sedimentary sequence of the coastline is a response to interaction of fluvial The Sierra Leone coastline stretches for about 506 km. This is a list of rivers in Sierra Leone. important ones are the Great and Little Scarcies in the north and the List of rivers of Sierra Leone - Wikipedia Our editors will review what youve submitted and determine whether to revise the article. This river is tidal and during the Rev Hydrobiol Trop 23:329350, Paugy D, Leveque C, Teugels GG (2003) The fresh and brackish water fishes of West Africa. The highest point in the country, the 1,948 m tall Mount Bintumani of the Loma Mountains, is located here. The occurrence of fish species by major river in Sierra Leone was finally put together as a checklist for the country by Paugy et al. Steam sediment studies were carried out for assessing the mineral concentration of arsenic. Tervuren ORSTOM, Paris, p 520, Daget J, Gosse JP, Thys van den Audenaerd DFE (1986b) CLOFFA 3. fish. The area is known to be situated in the area of permanence of the Guinean waters. East of the plains, the land rises to a broad, km. to cross the channel. extending from May to October: high river discharges, reduced surface water salinities, season, The river has low. Scanned by Google. Please refer to the appropriate style manual or other sources if you have any questions. Northern and Western, Longest distances: The Rokel/Seli River descends from the Guinea highlands and drains westward through Sierra Leone into the Atlantic Ocean. The outline map represents mainland Sierra Leone. Scarcies Rivers: Great Scarcies (Kobuter River) is relatively narrow and its banks Scanned by Google. At its entrance Sherbro River is about 32 km wide between Scanned by Google. In the southern section of the plateau They write new content and verify and edit content received from contributors. During the dry [7] Geologically it is a tectonically controlled basin with formations of Precambrian, Infra-Cambrian and Pleistocene age. Freetown and Pepel are the two ports located on the shores of the estuary. prevailing winds from the southwest monsoon characterize the rainy The South African Department of Water Affairs (1986) tentatively estimates that 5.4 109 m3 might represent the realistic potential maximum groundwater use per year. Includes notes on the history of the Vai people. high on the eastern plateau. PDF copy. Most of the rivers of Sierra Leone drain into the Atlantic Ocean; a few, With a land area of 27,699 square miles (71,740 square kilometers), it is slightly smaller than the state of South Carolina. Inland Waters of Southern Africa: An Ecological Perspective pp 6581Cite as, Part of the Monographiae Biologicae book series (MOBI,volume 64). [15], The flora in the estuary consists of mangrove forest. kilometers (270 miles), the Rokel is the longest river in the country. A Collection of Temne Traditions, Fables and Proverbs, with an English Translation. Figure 1 The West African coastline between Liberia and Guinea with The second physical region is the Sierra Leone Peninsula which is covered by wooded mountains with elevation reaching up to 860 m, and running parallel to the coastal swamps for around 40 km. The climate is characterized by two distinct seasons: the dry season There are no well-known named caves or canyons in Sierra Leone. As observed on the physical map above, it has a coastline on the Atlantic Ocean. The New Annual Register, or General Repository of History, Politics and Literature for the Year 1794. The sediments consist of a series of sands, clays and gravels According to Western Agricultural Economics Association, (WAEA), (2008), Sierra Leone's groundwater resources have not been extensively studied. whereas in the wet season the average salinity value is 19.7/00 (Longhurst, 1983). The notable cascade in the river is known as the Bumbuna water falls where the river drops by 15 metres (49ft) providing for building a hydroelectric project. isobath is located at about 15 km from the shoreline. Details of reproductive and feeding patterns of the major species are presented and used to look at lessons for conservation and the need to take these into account in infrastructure planning and assessing potential impacts. Checklist of freshwater fishes of Africa Vol 1. Berkeley: University of California Press, 2001. Written by Sen Farren, and published in 2011 by the Sierra Leone Irish Partnership. Hovercraft, or helicopter services are no longer running. The area of the continental shelf up to The river basin measures 10,622 square kilometres (4,101 sq mi) in size, with the drainage divided by the Gbengbe and Kabala hills and the Sula Mountains. Challenges of hepatitis B treatment in rural Sub-Saharan Africa There are several references to Sierra Leone, and three short and partially inaccurate articles on page 622. Within and between river differences were analysed and a high degree of statistical similarity was found between the species composition of the major rivers. The White Man's Grave: A Visit to Sierra Leone, in 1834, Volume I. P. 272: "There is no protectorate, nor anything analogous thereto, exercised over any part of the country." An Essay on Colonization, particularly applied to the Western Coast of Africa, with some free thoughts on cultivation and commerce; also brief descriptions of the colonies already formed, or attempted, in Africa, including those of Sierra Leona and Bulama. 1983). part of West Africa. By Elizabeth Melville, edited by Hon. Atlantic Ocean; and a wide plains area extending inland to about the The estuary is also important for shipping. and behind the trees, marine and freshwater swamps occupy large areas. The estuary is also important for shipping. The area is calledWestern AreaorFreetown Peninsula. Scanned by Google. Scanned by Google. Hobson, 1902. (accessed April 10, 2003). 1. pp 19, Hugueny B, Leveque C (1994) Freshwater fish zoogeography in West Africa: faunal similarities between river basins. MRAC, Tervuren ORSTOM, Paris, p 410, Daget J, Gosse JP, Thys van den Audenaerd DFE (1986a) CLOFFA 2. Most of the small lakes in Sierra Leone are located in the south. 4B), butas it is cutintotheBullomSeriesslumpingof material makesaccurateheightdeterminationdifficult. Bumbuna hydroelectric project, Freetown; MRAG, London. About 21 km above Tagrin point, Sierra Leone River divides into . N-14, Doc. The blank outline map respresents mainland Sierra Leone. Freetown at the mouth of the river estuary, "Sierra Leone Estuary: Proposed Ramsar Site", United Nations Environment Programme: Division of Environmental Policy Implementation 2007, https://en.wikipedia.org/w/index.php?title=Rokel_River&oldid=1126774446, All Wikipedia articles needing clarification, Wikipedia articles needing clarification from July 2013, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 11 December 2022, at 04:47. The estuary of the It is indented with many estuaries and creeks. absence of reef-building corals in many tropical waters and explains the predominance of International Peace Academy Occasional Paper Series This Africa protected areas related article is a stub. Ernest Graham Ingraham, D.D. The southern African region can be split into the well-watered tropical North, drained by major rivers such as the Zambezi and Okavango, and the water-limited South, of which the western side is truly arid, and the eastern and southern regions are more adequately provided for. ) This is succeeded by a belt of forest and forested savanna, which rises in the north and east to the mountainous plateaus of the Fouta Djallon. It holds the major ports of Queen Elizabeth II Quay and Pepel. The West African country of Sierra Leone occupies an area of 71,740 sq. PubMedGoogle Scholar, Allanson, B.R., Hart, R.C., OKeeffe, J.H., Robarts, R.D.