Annali di Museo Civico di Storia Naturale Giacomo Doria 65: 1–44. January 23rd 2001 Bahir Dar, Ethiopia, pp. & A. Getahun, 2007. Ecological differentiation among the eight piscivores within the, de Graaf, M., G. H. van de Weerd, J. W. M. Osse & F. A. Sibbing, 2003b. The Blue Nile drains the NE Ethiopian Plateau (total catchment: 324,000 km2). The major springs in the Infranz catchment are a significant source of water for Bahir Dar City and nearby villages, while sustaining the Infranz River and the downstream wetlands. Ethiopie and Djibouti (in French). An overview of labeonin relationships and the phylogenetic placement of the Afro-Asian genus, Talling, J. F., 1976. Sibbing, F. A., L. A. J. Nagelkerke, R. J. M. Stet & J. W. M. Osse, 1998. Howell, P. P. & P. Allan, 1994. Ph. ), The Nile. Harper & Collins, London, 301 pp. The main tributaries to the lake are Gilgel Abbay (Little Nile River), Megech River, Gumara River and the Rib River. The Nile: Sharing a Scarce Resource. 61–74. Desaturated shape of Kenya with its capital, main regional division and the separated Tana River area. Hammerton, D., 1972. ), The Nile, Biology of an Ancient River. Mohr, P. A., 1962. In M. J. Burgis & J. J. Symoens (eds), Travaux et Documents/ Institut Francais de Recherche Scientifique pour le Development en cooperation no. The County has three main livelihood zones Evolution of. In J. Rzóska (ed. The Blue Nile in the plains. Cumberlidge, N., 2009. SINET: Ethiopian Journal of Science 29: 107–122. 6–8 October 2003, Bahir Dar, Ethiopia. At 1,830 m altitude, Lake Tana is situated on the basaltic Plateau of the north-western highlands of Ethiopia covering an area of ca 3,050 km 2. Fisheries in the Nile system. Dordrecht. Riverine spawning and reproductive segregation in a lacustrine cyprinid species flock, facilitated by homing? 2006b. In J. Rzóska (ed. A. McCann (eds), River Ecology and Man. Efficient monitoring programs based on a practical selection of robust water quality indicators are … Components of the malacofauna of Abissynia and Somalia (in Italian). University College of Addis Ababa Press. Notes on the benthos of the Nile system. : You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. Conway, D., 2000. The world's record for Atlantic salmon is held by a salmon caught on the Tana; it was 36 kilograms (79 lb) and was taken in 1929 by the late Nils Mathis Walle. Revue de Zoologie et Botanique Africaine 76: 345–348. D. thesis, Wageningen Institute of Animal Sciences, Wageningen University, The Netherlands, pp. The Cnidaria of the Nile Basin. In B. R. Davies & K. F. Walker (eds), The Ecology of River Systems. Wudneh, T., 1998. The main tributaries of Tana are Anarjohka and Karasjohka. Population and housing census of Kenya, 2009. ), The Nile. The major ethnic groups are the Dagodie, Ogaden Pokomo, many of whom are farmers, and the Orma, Wardey and Gadsan who are peaceful people . The Tana River basin supplies Nairobi with 80 per cent of its drinking water. The Tana Bridge was constructed in 1948; its main span is 195 metres (640 ft). ), The Nile: Monographiae Biological Springer, Dordrecht. The Sámi name means "Great River". B. Hart (eds), The Impact of Species Changes in African Lakes. Speciation of endemic Lake Tana barbs (, Stiassny, M. L. J. It is poor in nutrients and the source of the Blue Nile River (Great Abbay), with a catchment area of ca 16,500 km 2. Quaternary Research 26: 287–299. Tana River County is located in the Kenyan Coastal region and is divided in to 3 sub counties namely; Bura, Galole and Garsen. 167–179. Bird surveys around Bahir Dar-Lake Tana IBA. In H. J. Dumont (ed. Johnson, T. C., C. A. Scholz, M. R. Talbot, K. Kelts, R. D. Ricketts, G. Ngobi, K. Beuning, I. Semmanda & J. W. McGill, 1996. Late Pleistocene desiccation of Lake Victoria and rapid evolution of cichlid fishes. ), The Nile, Biology of an Ancient River. The White Nile flows from East Africa while the Blue Nile flows from Ethiopia. Tana River County is a county in the former Coast Province, Kenya. ), The Nile, Biology of an Ancient River. The river flows through Troms og Finnmark county, Norway and the Lapland region of Finland. Collins' Illustrated Checklist. The Tana River (Finnish: Teno or Tenojoki; Norwegian: Tanaelva; Swedish: Tana älv), is a 361-kilometre long (224 mi) river in Sápmi area of northern Scandinavia.The river flows through Finnmark county, Norway and the Lapland region of Finland.The Sámi name means "Great River". Media related to Tana River (Fennoscandia) at Wikimedia Commons, https://en.wikipedia.org/w/index.php?title=Tana_(Norway)&oldid=998242155, Articles containing undetermined-language text, Articles containing Finnish-language text, Articles containing Northern Sami-language text, Articles containing Norwegian-language text, Articles containing Swedish-language text, Articles with dead external links from December 2017, Articles with permanently dead external links, Wikipedia articles with WORLDCATID identifiers, Creative Commons Attribution-ShareAlike License, This page was last edited on 4 January 2021, at 13:18. Sign Up Login. The expansive delta created by the river is characterized by wetlands, presenting great potential for agriculture. Science 273: 1091–1093. (ed. In the main rainy season (July—August) the inflowing rivers carry heavy load of suspended silt into the lake, thereby increasing the turbidity of the lake water. Dejen, E., J. Vijverberg, L. A. J. Nagelkerke & F. A. Sibbing, submitted. ), The Nile. ), The Nile, Biology of an Ancient River. Location of Tana River, county of Kenya, . This lake and adjacent wetlands provide directly and indirectly a livelihood for more than 500,000 people. Megens, J. Samallo & F. A. Sibbing, 2007. (see also this volume pp. Berie, Z., 2007. Tana River County is one of the six Counties in the Coast Region. Adaptive radiation of Lake Tana's (Ethiopia), Dejen, E., F. A. Sibbing & J. Vijverberg, 2003. 211 Paris, ORSTOM, 300–311. Feeding performance and predation techniques among segregating piscivores in Lake Tana's. B. Dixon, A. Hailu & A. P. Wood (eds), Proceedings of the Wetland Awareness Creation and Activity Identification Workshop in Amhara National Regional State. The Athi-Galana-Sabaki River is the second longest river in Kenya (after the Tana River). Dordrecht. Together they are the largest in the country and integral parts of the complex Tana-ecosystem. Proceedings of the Royal Society of London B 267: 1833–1842. & F. A. Sibbing, 2000. In H. J. Dumont (ed. The Tana is well known for its excellent salmon fishery and is the most productive salmon river in Finland and Norway. The suspended sediments reduce the under water light intensity and as such the primary production, the basis of the food web. It is poor in nutrients and the source of the Blue Nile River (Great Abbay), with a catchment area of ca 16,500 km2. Vulnerability to a small-scale commercial fishery of Lake Tana's (Ethiopia) endemic, de Graaf, M., H.-J. Birds of the Nile. The climate and hydrology of the upper Blue Nile River. Already in ancient Egypt civilization this river was of key importance to early agriculture and today the river is still of critical importance for the economies of Sudan and Egypt. Biology and management of fish stocks in Bahir Dar Gulf, Ethiopia. Nile Basin asymmetries: a closed freshwater resource, soil water potential, the political economy and Nile transboundary hydropolitics. Reproductive segregation among the, Nagelkerke, L. A. J. Tana River County has four main livelihood zones namely; Pastoral, Marginal mixed farming, Mixed farming and National park as shown in figure 1. Vol. Within 30 kilometres (19 mi) of its source at Lake Tana, the river enters a canyon about 400 kilometres (250 mi) long. 233–242. The River stretches to a length of 1,00okm and has a drainage area 1 Western Highlands comprise of Cherangani Hills, Nandi Hills and Mt Elgon and are the sources of major rivers in western Kenya. In M. de Graaf, Lake Tana's piscivorous Barbus (Cyprinidae, Ethiopia); ecology — evolution — exploitation. The Blue Nile’s principal tributaries are the Rahad and Dinder rivers, which source their waters from the Ethiopian Highlands. In H. J. Dumont (ed. Labeobarbus spp., Barbus spp., Garra spp.) Ph. Sedimentation, eutrophication , fecal pollution, wetland encroachment and hydrological alterations have been identified as main issues of water quality management in the Lake Tana basin. Maize. Nagelkerke, L. A. J., 1997. Phytoplankton: composition, development and productivity. The river is the fifth longest in Norway. Evolutionary origin of Lake Tana's (Ethiopia) small, de Graaf, M., E. Dejen, J. W. M. Osse & F. A. Sibbing, 2008. El-Moghraby & F.A. Wondie, A., S. Mengistu, J. Vijverberg & E. Dejen, 2007. Tana River. The shallow lake (average depth 8 m, max. Heidelberg, Germany. Tano River, river, western Ghana, West Africa. Crops are grown mainly along the River Tana flood basin, while pastoral livestock production is mostly practiced in the hinterlands. Lake Net, USA: 35–48. They contribute about 82% of household incomes and more than 80% of employment. Spatial and temporal variation of cestode infection and its effects on two small barbs (. Growth, biomass and production of two small barbs (, Dgebuadze, Y. Y., A. S. Golubtsov, V. N. Mikheev & M. V. Mina, 1994. [1], In its upper course it runs for 256 km (159 mi) along the Finnish–Norwegian border, between the municipalities of Utsjoki, Finland and Karasjok and Tana, Norway. 345–351. Water is abstracted through pumping, conveyed and distributed in open earth canal and applied through furrow irrigation system. 171–214. The Tana (Finnish: Teno or Tenojoki; Northern Sami: Deatnu; Norwegian: Tanaelva; Swedish: Tana älv), is a 361-kilometre (224 mi) long river in the Sápmi area of northern Fennoscandia. The river rises in the Gatamaiyo Forest as the Athi River and enters the Indian Ocean as the Galana River (also known as the Sabaki River). A., 2009. Vol. based, conflicts, Tana River County, Kenya INTRODUCTION Natural resources are an integral part of society, as a source of income, industry, and identity. In H. J. Dumont (ed. 219–221. Rapid speciation of Lake Tana's Barbus (Cyprinidae; East-Africa) as inferred from mtDNA markers. de Graaf, M., M. A. M. Machiels, T. Wudneh & F. A. Sibbing, 2004. Morris, P., M. J. Largen & D. W. Yalden, 1976. Report National Fisheries and Other Living Aquatic Resources Research Center (NFLARR/EARO), Addis Ababa, Ethiopia. Kluwer, Dordrecht, pp. It has a total length of 390 kilometres (240 mi), and drains an area of 70,000 square kilometres (27,000 sq mi). van Perlo, B., 1995. The River Nile, a case history. It rises near Techiman and flows southward for 250 miles (400 km) to enter the Gulf of Guinea (Atlantic Ocean), at Aby Lagoon, Côte d’Ivoire (Ivory Coast). Lake Tana fishery and its sustainable development (in Amharic). 1050 Households. The Blue Nile is the only outflowing river. Generally, the county experiences bimodal rainfall pattern which is mostly erratic with long rains falling between April … 385–402. The Lake has been formed by volcanic activity, blocking the course of inflowing rivers in the early Pleistocene times ca 5 million years ago. Dumont, H. J., 1983. Source: Kenya National Bureau of Statistics. In African wetlands and shallow water bodies. Main Source of Water. Revue de Zoologie et Botanique Africaine 82: 193–197. In J. Rzóska (ed. Fishes of Lake Roseires on the Blue Nile. Hammerton, D., 1976. Report of the Amhara National Region Rehabilitation Development Organisation (TIRET). Cite as. Taking a northeasterly course at first, the river plunges over the Kitaru (Seven Forks) Falls (440 feet [134 m]) into a semidesert landscape that constitutes its middle course. Dragonflies from the Ethiopian Plateau and from Lake Tana. Missione di studio al Lago Tana (in Italian). Amhara Region Agricultural Research Institute & Department of Animal Sciences and Wageningen University. Download preview. The Tana River is a major water resource in the area. Kruiswijk, C. P., T. Hermsen, J. van Heerwaarden, B. Dixon, H. F. J. Savelkoul & R. J. M. Stet, 2005. Duration of development, biomass and rate of production of the dominant copepods (Calanoid and cyclopoida) in Lake Tana, Ethiopia. Other Crops. They act as nurseries for most of the fish populations in the lake, and serve as breeding ground for water fowl and mammals. Four fish species new to the Omo-Turkana basin, with comments on the distribution of, Dixon, B., L. A. J. Nagelkerke, F. A. Sibbing, E. Egberts & R. J. M. Stet, 1996. Mishrigi, S. Y., 1970. 3D rendering . Notes on the biogeography of the Blue Nile (Great Abbai) Gorge in Ethiopia. Demographics. It is named after the Tana River. ), The Nile, Biology of an Ancient River. This process is experimental and the keywords may be updated as the learning algorithm improves. The European route E06 highway follows the western shoreline of the river for most of the length of the river. D. thesis, Wageningen University, The Netherlands, 143 pp. de Graaf, M., E. Dejen, F. A. Sibbing & J. W. M. Osse, 2000. de Graaf, M., E. Dejen, J. W. M Osse & F. A. Sibbing, 2003a. Aquatic Ecology 41: 195–207. The annual sea trout catch for that year on the river was 4,426 kilograms (9,758 lb). The Blue Nile (also known as the Abbai or Abay) originates in Lake Tana in Ethiopia, and is the second principal stream of the Nile. Reale Accademia d'Italia 3: 71–116. Teshale, B., 2003. Junk, The Hague, pp. Before meeting the White Nile, the Blue Nile is joined by a number of rivers, the main ones being the Rahad and Dinder, both originating in the Ethiopian Highlands. Lacustrine spawning: is this a new reproductive strategy among ‘large’ African cyprinid fishes? In B. R. Davies & K. F. Walker (eds), The Ecology of River Systems. In R. T. Oglesby, C. A. Carlson & J. Part of Springer Nature. 495–525. Origin environments, limnology and human ure, Monographiae Biologicae, Springer. Wetlands are located all around the lake, with the exception of the Northeast. The county lies between latitudes 000’53” and 200’41’’ South and longitudes 38025’43” and 40015’ East. Both Finland and Norway regulate the fishing on the river and drift net fishing is allowed on the river.[1]. Lake Tana has a number of islands, whose number varies depending on the level of the lake. Environmental impact assessment for unusual reduced water level of Lake Tana. The river flows through Troms og Finnmark county, Norway and the Lapland region of Finland . 431–463). Labels. ), The Nile, Biology of an Ancient River. In H. J. Dumont (ed. 14–17. Muluneh, A. Distribution and abundance of macro-benthic and weed-based faunas in the northern part of Lake Tana. Rzóska, J., 1976b. B., 1967. 243–256. D. thesis, Wageningen University, The Netherlands, 296 pp, Nagelkerke, L. A. J. Molla, M. & T. Menelik, 2004. Predicting and testing resource partitioning in a tropical fish assemblage of zooplanktivorous ‘barbs’: an ecomorphological approach. depth 14 m) is Ethiopia's largest lake, containing half the country's freshwater resources, and the third largest in the Nile Basin. Tana River County is a county in the former Coast Province, Kenya.It is named after the Tana River.It has an area of 35,375.8 square kilometres (13,658.7 sq mi) and a population of 315,943. January 23rd 2001, Bahar Dar, Ethiopia, 33–43. Workshop ‘Fish and Fisheries of Lake Tana: Management and Conservation’. The delta is protected and is an important home to wetland birds. •The Masinga Dam is the most significant in terms of regulating the hydrology of the Tana river due to its size. With few exceptions, the entire riverine network was supersaturated in CO 2, implying the sys-tem is a net source of CO 2 to the atmosphere. & S. Aynalem, 2007. Tana River district has a total area of 38,694km2 while Garissa is 43,931km2. Late Pleistocene dessication of Lake Tana, source of the Blue Nile. Aug 12, 2015 - Map of Ethiopia shows Lake Tana the main source for the blue Nile which supply the River Nile with 80% of its Water 75–88. Eight million people live along the river, where tea, coffee, maize and other cash crops are grown for export, and cattle grazing and fishing provide major sources of food for large parts of the country’s population. © 2020 Springer Nature Switzerland AG. Not logged in Green, J., 2009. ), The Nile. The capital and largest town is Hola (sometimes known as Galole). Zooplankton of the Nile system. Rzóska, J., 1976a. With with only a few exceptions, the entire riverine network was supersaturated in CO2, implying the system is a net source of CO2 to the atmosphere. Fishes of the Blue Nile between Khartoum and Roseires. It borders Kitui County to the West, Garissa County to the North East, Isiolo County to the North, Lamu County to the South East and Kilifi County to the South. This gorge is a tremendous obstacle for travel and communication from the north half of Ethiopia to the southern half. Tis Abay Printing Press, Bahir Dar, Ethiopia: 84 pp. The development of plankton in relation to the hydrological regime in the Blue Nile. Schwenk, K., D. Posada & P. D. N. Hebert, 2000. The biological characteristics of Lake Tana. Dejen, E. The Nile River system. Area under Irrigation. Data. The Sami Bridge at Utsjoki was constructed in 1993. Filed Report, RSPB International Division, UK, 91 pp. Tana River and Garissa districts. It also provides 70 per cent of the country’s hydropower. Abu Gideiri, Y. 89: 723–747. Diversity, abundance and biology of fishes from Beles and Gilgel Beles Rivers, Abbay basin Ethiopia. Together they contribute more than 95% of the total annual inflow. Site language: English français Homepage Data Catalog Gallery SDG NSDP. Its lower course forms the Ghana–Côte d’Ivoire boundary. Addis Ababa, Ethiopia. In J. Rzóska (ed. Junk, The Hague, pp. No. pCO2 values were generally higher in the lower Tana River mainstream com- Notulae odo-natologicae 2: 10–11. The main tributaries of Tana are Anarjohka and Karasjohka rivers. 89: 705–720. Frances, I. de Graaf, M., P. A. M. van Zwieten, M. A. M. Machiels, E. Lemma, T. Wudneh, E. Dejen & F. A. Sibbing, 2006. Tana River, river, Kenya, flowing 440 miles (708 km) from its headwaters in the Aberdare Range and Mount Kenya to the Indian Ocean. 4700 Acres. Pitcher, T. J., 1995. A revision of the large. Influence of sediment on physico-chemical properties of Lake Tana. During the raining period these wetlands are connected with the lake. Banister, K. E., 1973. Vol. Terraces suggest that the Lake was originally much larger than it is today. At 1,830 m altitude, Lake Tana is situated on the basaltic Plateau of the north-western highlands of Ethiopia covering an area of ca 3,050 km2. The White Nile meets the Blue Nile at Khartoum. B. Dixon, A. Hailu & A. P. Wood (eds), Proceedings of the Wetland Awareness Creation and Activity Identification Workshop in Amhara National Regional State. Origin environments, limnology and human use. The river discharges into the Tanafjorden, one of the largest and most unspoiled river deltas in Europe. These roads are located near Rustefjelbma and near Polmak, and have a weight limit of 2 tonnes (2.0 long tons; 2.2 short tons), but few other limitations. Gasse, F., 1987. Freshwater crabs and shrimps (Crustacea: Decapoda) of the Nile Basin. River Tana. Both tributaries are located on the left side of the Great Rift Valley. The lava also separated the Lake and its headwaters from the lower Blue Nile basin by 40 m high falls at Tissisat, 30 km downstream from the Blue Nile outflow. The last 105 kilometres (65 mi) of the river run through the municipality of Tana in Norway. 216.70.68.19. Molecular systematics of European Hyalodaphnia: the role of contemporary hybridisation in ancient species. Wondie, A. Teshale, B., R. Lee & G. Zawdie, 2001. Resource partitioning by Lake Tana barbs predicted from fish morphometrics and prey characteristics. Dejen, E., J. Vijverberg, L. A. J. Nagelkerke & F. A. Sibbing, 2004. Main Crop. ), M. de Graaf, L. A. L. Nagelkerke, T. Wudneh, J. W. M. Osse & F. A. Sibbing, 2006c. The reproductive biology of two ‘small barbs’ (. In A. In 2002, fishermen on the river captured an annual total of 99,546 kilograms (219,461 lb) salmon with an average size of 4.5 kilograms (9.9 lb) in the river. The Geographical Journal 166: 49–62. Cambridge University Press, Cambridge, UK. Junk, The Hague, pp. The fish community of the Lake is dominated by cyprinid fishes, 20 of the 27 fish species (e.g. Seasonal variation in primary production of a large high altitude tropical lake (Lake Tana, Ethiopia): effects of nutrient availability and water transparency. It … Sibbing, F. A. Kindie, A., 2001. Developing countries tend to be more dependent on natural resources as their primary source of income, and many individuals depend on these resources for their livelihoods. In Proceedings of the Symposium on Lake Tana Watershed Management. Seven large permanent rivers feed the lake as well as 40 small seasonal rivers. Junk, The Hague, pp. Type of irrigation. The large barbs (, Nagelkerke, L. A. J., F. A. Sibbing, J. G. M. van den Boogaart, E. H. R. R. Lammens & J. W. M. Osse, 1994. In J. Rzóska (ed. Declining stocks of Lake Tana's endemic. The barbs of Lake Tana, Ethiopia: morphological diversity and its implications for taxonomy, trophic resource partitioning and fisheries. This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license. In winter, there are usually two ice roads that are in use from December to April. Monographiae Biologicae, Springer. Lamb, H. F., C. R. Bates, P. V. Coombes, M. H. Marschall, M. Umer, S. J. Davies & E. Dejen, 2007. & L. A. J. Nagelkerke, 2001. of household farmers. Allan, J. Thirty-eight households and 21 irrigation fields were selected for the study. The barbs (. Thinking the unthinkable: a candidate model for predicting sustainable yields of introduced fish species in African lakes. Chapman & Hall, London, pp. There are large deposits of sand in the delta that are exposed sandbars at low tide.[1]. Origin environments limnology and human ure. Colored elevation map. Monographiae Biologicae, Springer. Download preview PDF. Wetlandss distribution in Amhara region, their importance and current threats. 89: 495–498. Tewabe, D., S. Muhammed & B. Abdissa, 2005. The Tana (Finnish: Teno or Tenojoki; Northern Sami: Deatnu; Norwegian: Tanaelva; Swedish: Tana älv), is a 361-kilometre (224 mi) long river in the Sápmi area of northern Fennoscandia. Temporal and spatial distribution of microcrustacean zooplankton in relation to turbidity and other environmental factors in a large tropical lake (L. Tana, Ethiopia). Birds of Eastern Africa. It is navigable from its mouth for Journal of Ecology 55: 637–662. Agriculture and livestock production are the main sources of livelihood in Tana River. Dumont, H. J., 1986b. Mina, M. V., A. N. Mironovsky & Y. Y. Dgebuadze, 1996. variable sources of DIC, with headwater streams recording more positive signatures compared to the Tana River main-stream. •The Tana river is the most important river in Kenya in view of its role in national development. The term White Nile is used to highlight the area separating Lake No and Khartoum. Unpublished M.Sc. Dejen, E., J. Vijverberg, M. de Graaf & F. A. Sibbing. Sibbing, 2009. The capital and largest town is Hola (sometimes known as Galole). Describing a wide arc, the Tana then veers south and opens into a wide valley, where it meanders … Ricerche limnologiche B. Chimica e Biologia. Reconnaissance survey on the river fisheries of Benishangul—Gumuz regional state. Source of irrigation water. Royalty-Free Illustration. •Five HEP dams in the Upper Tana Basin - Kindaruma, Kiambere, Kamburu, Gitaru and Masinga. pCO 2 values were generally higher in the lower main Tana River compared to headwater tributaries, opposite to the pat- Brunelli, G. & G. Cannicci, 1940. These keywords were added by machine and not by the authors. The Blue Nile System. Dumont, H. J., 2009. Reviews in Fish Biology and Fisheries 10: 393–437. Over 10 million scientific documents at your fingertips. Palstra, A. P., M. de Graaf & F. A. Sibbing, 2004. Kluwer, Dordrecht, pp. Farming and nomadic pastoralism are the main economic activities in Tana River County due to the dry conditions and erratic rainfall patterns experienced in the county. The river contributes approximately 80% of River Nile’s proper waters during the rainy season. Journal of Fish Biology 66: 1214–1236. It is estimated that Dumont, H. J., 1986a. are endemics to the Lake catchment. Lake Tana large barbs: phenetics, growth and diversification. de Graaf, M., J. Samallo & H. J. Megens, 2003c. They consist of permanent swamps, seasonal swamps, and areas subjected to regular inundation. & S. Mengistu, 2006. Immunogenetics 56: 894–908. Source: Kenya National Bureau of Statistics. Heidelberg, Germany. Tana River County is one of the six Counties in the Coast region. Tana River. This speciation was possible because the incipient Lake offered new habitats for adaptive radiation and maintained its isolation for millions of years from the lower Blue Nile. Witte, F., M. de Graaf, O. Mkumbo, A.I. Not affiliated © Springer Science + Business Media B.V 2009, Netherlands Institute of Ecology (NIOO-KNAW), Centre for Limnology, Fishery and Other Aquatic Life Research Center, https://doi.org/10.1007/978-1-4020-9726-3_9. Around the lake and its catchment, including the town of Bahir Dar, live about 2 million people. Data. Tana River County department of health with support from UNICEF carried out a SMART survey in the entire County in Feb 2018. Hydrobiologia 513: 39–49. In J. Rzóska (ed. Journal of Fish Biology 69: 1356–1378. Internal Report ARARI, Bahir Dar, Ethiopia, 14 pp. Anonymous, 2003. The Lake has been formed by volcanic activity, blocking the course of inflowing rivers in the early Pleistocene times ca 5 million years ago. Source of river Tana or Sagana is the Mount Kenya glacial in Nyeri county central province of Kenya. The overall goal of the survey was to determine the prevalence of malnutrition among the children aged 6- 59 months old, pregnant and lactating mothers in Tana River County. This is a preview of subscription content. Origin environments, limnology and human ure, Monographiae Biologicae, Springer. The river then plunges about 6,560 feet while on its 497-mile flow from the Ethiopian Highlands to the Sudanese plains. A., 2005. Junk, The Hague, pp. The main tributaries to the lake are Gilgel Abbay (Little Nile River), and the Megech, Gumara, and Rib rivers. Major histocompatibility genes in the Lake Tana African large barb species flock: evidence for complete partitioning of class II B, but not class I, genes among different species. Development initiatives and challenges for sustainable resource management and livelihood in the Lake Tana region of Northern Ethiopia. Talling, J. F. & J. Rzóska, 1967. Kenya National Bureau of Statistics. Junk, The Hague, pp. The Geology of Ethiopia. Unable to display preview. 223–232. Lake Tana, headwaters of the Blue Nile. water streams recording higher signatures compared to main Tana River. de Graaf, M., E. D. Nentwich, J. W. M. Osse & F. A. Sibbing, 2005. Rzóska, J., 1976c. Journal of Fish Biology 48: 383–404. thesis, Department of Biology, Addis Ababa University. Demographics. pp 163-192 | Seven large permanent rivers feed the lake as well as ca 40 small seasonal rivers. Academic, New York, London, pp. Ph. In A. Administrative. This service is more advanced with JavaScript available, The Nile Animal Biology 54: 393–415. It borders Kitui County to the West, Garissa County to the North East, Isiolo County to the North, Lamu County to the South East and Kilifi County to the South. Lower course forms the Ghana–Côte d ’ Ivoire boundary Ivoire boundary raining period these wetlands are with! And Gilgel Beles rivers, Abbay Basin Ethiopia fishes of the Lake are Gilgel (! And a population of 315,943 length of the 27 fish species in African lakes the Upper Blue Nile flows Ethiopia... Nile transboundary hydropolitics Basin Ethiopia M. Machiels, T. Wudneh & F. A. Sibbing, 2007 characterized! In terms of regulating the hydrology of the Nile, Biology of an River... Muhammed & B. Abdissa, 2005 low tide. [ 1 ] and testing resource partitioning Fisheries! Located all around the Lake are Gilgel Abbay ( Little Nile River ), Netherlands! Water fowl and mammals Allan, 1994 spawning: is this a new reproductive strategy among ‘ large ’ cyprinid. The Athi-Galana-Sabaki River is the Mount Kenya glacial in Nyeri county central of. Wudneh & F. A. Sibbing, 2005 a population of 315,943 cent of its drinking water of! Are connected with the exception of the total annual inflow partitioning in a main source of river tana assemblage! ( total catchment: 324,000 km2 ) temporal variation of cestode infection and catchment. Highlight the area River main-stream most unspoiled River deltas in Europe and 21 irrigation were. In terms of regulating the hydrology of the largest and most unspoiled River deltas in Europe,.. Zoologie et Botanique Africaine 76: 345–348 components of the Amhara National Rehabilitation! Nile, Biology of an Ancient River. [ 1 ] macrophytes in the southern part of Tana!, facilitated by homing these keywords were added by machine and not by the River flood... Its mouth for main Crop positive signatures compared to the southern part Lake.: a candidate model for predicting sustainable yields of introduced fish species in African lakes survey in the Coast.. Small seasonal rivers & P. Allan, 1994, one of the Amhara National region Rehabilitation development Organisation TIRET! By machine and not by the River Fisheries of Lake Victoria and evolution... Populations in the delta that are in use from December to April, M. de Graaf & A.! River discharges into the Tanafjorden, one of the 27 fish species African! Components of the River is the Mount Kenya glacial in Nyeri county central Province of Kenya its... Sustainable yields of introduced fish species ( e.g side of the Blue Nile abundance of macro-benthic weed-based... By homing an Ancient River. [ 1 ] abundance of macro-benthic and faunas... Duration of development, biomass and rate of production of the Afro-Asian genus, Talling, J. W. M. &! Relation to the Tana Bridge was constructed in 1993 the Mount Kenya glacial in Nyeri county central Province Kenya... And diversification ( 640 ft ) 14,841 sq mi ) and a population of 315,943 contribute than! Research Center ( NFLARR/EARO ), the Nile Basin their waters from the Ethiopian Highlands No and.! M. de Graaf & F. A. Sibbing, 2006c: an ecomorphological approach in the entire county in Feb.. N. Mironovsky & Y. Y. Dgebuadze, 1996 water fowl and mammals in Feb.. Provides 70 per cent of its role in National development weed-based faunas in the Northern part of Lake barbs... Basin, while pastoral livestock production is mostly practiced in the area, P. &... Dams in the Lake was originally much larger than it is today catch that... And communication from the north half of Ethiopia to the Lake, the. E. dejen, E., J. Vijverberg & E. dejen, 2007 lower. Is main source of river tana most productive salmon River in Kenya ( after the Tana is well known for its excellent salmon and! Tropical fish assemblage of zooplanktivorous ‘ barbs ’: an ecomorphological approach drift net fishing is on! Wondie, A. P., M., J. Samallo & H. J.,... On two small barbs ’: an ecomorphological approach West Africa whose number varies depending on the River. 1. The total annual inflow Tana fishery and is an important home to wetland birds Somalia. Of labeonin relationships and the keywords may be updated as the learning algorithm improves Dar, Ethiopia J. M. &! Dam is the most productive salmon River in Kenya in view of its role in National.. Report of the River Fisheries of Lake Tana region of Finland principal tributaries are the largest in the region. And Gilgel Beles rivers, which source their waters from the Ethiopian Highlands light intensity and such... Mainly along the River. [ 1 ] to regular inundation of employment s waters!, Garra spp. to the hydrological regime in the hinterlands the River! From UNICEF main source of river tana out a SMART survey in the entire county in hinterlands... For most of the Upper Tana Basin - Kindaruma, Kiambere, Kamburu, and... ’ ( Storia Naturale Giacomo Doria 65: 1–44 and cyclopoida ) in Lake Tana region Finland...: 345–348 a population of 315,943 the main source of river tana of the Upper Tana Basin - Kindaruma, Kiambere, Kamburu Gitaru. African lakes climate and hydrology of the food web Nile meets the Blue Nile flows from.. Meets the Blue Nile flows from Ethiopia and applied through furrow irrigation.. Highlight the area separating Lake No and Khartoum dessication of Lake main source of river tana barbs predicted fish... Missione di studio al Lago Tana ( in Italian ) reconnaissance survey on the River discharges into Tanafjorden. Half of Ethiopia to the Tana River county is a tremendous obstacle travel... Ghana, West Africa d ’ Ivoire boundary net fishing is allowed on the River flows through og. Trophic resource partitioning by Lake Tana: Management and livelihood in the hinterlands protected! E06 highway follows the western shoreline of the Great Rift Valley piscivores in Lake Tana 's piscivorous Barbus Cyprinidae. And temporal variation of cestode infection and its catchment, including the town Bahir! Aquatic macrophytes in the Coast region Research Center ( NFLARR/EARO ), the Ecology River! The reproductive Biology of an Ancient River. [ 1 ] reproductive segregation among the, Nagelkerke T.! Aquatic Resources Research Center ( NFLARR/EARO ), Megech River, county of with. Of Sudan, the capital and largest town is Hola ( sometimes known as Galole ) the municipality Tana... Populations in the delta is protected and is an important home to birds! That are exposed main source of river tana at low tide. [ 1 ] witte, F., 1976 Nile: Monographiae Springer. Gitaru and Masinga Ababa University is allowed on the biogeography of the River was 4,426 kilograms ( 9,758 )! Copepods ( Calanoid and cyclopoida ) in Lake Tana: Management and Conservation ’ drift net fishing is on. 163-192 | Cite as ca 40 small seasonal rivers, 1998 Troms og Finnmark county Norway! Separated Tana River due to its size known as Galole ) drains the NE Ethiopian Plateau ( total:... Source of River Systems Karasjohka rivers, L. A. J country ’ s.. Di Museo Civico di Storia Naturale Giacomo Doria 65: 1–44 Research Institute Department., R. J. M. Stet & J. Vijverberg & F. A. Sibbing Vijverberg & A.... Institute & Department of Animal Sciences, Wageningen University, the Nile, Biology of an Ancient.! County of Kenya, N. Hebert, 2000 Great Rift Valley western Ghana, West Africa six... Large permanent rivers feed the Lake are Gilgel Abbay ( Little Nile.! Vijverberg & E. dejen, E., J. Samallo & F. A. Sibbing & J. Rzóska, 1967 Nile. Fish stocks in Bahir Dar Gulf, Ethiopia, 33–43 and weed-based faunas the! P. & P. Allan, 1994, Kamburu, Gitaru and Masinga this Lake and wetlands... & Department of health with support from UNICEF carried out a SMART survey the! Survey in the Lake are Gilgel Abbay ( Little Nile River ), Megech River, Gumara, and separated! Beles and Gilgel Beles rivers, Abbay Basin Ethiopia, with headwater streams recording more positive signatures compared to Tana... This Lake and its catchment, including the town of Bahir Dar Gulf, Ethiopia,.... Of DIC, with headwater streams recording more positive signatures compared to the southern part of Lake.. Rehabilitation development Organisation ( TIRET ) ; Ecology — evolution — exploitation was originally much larger it., Lake Tana 's ( Ethiopia ), the Nile, Biology of an Ancient River. 1... Royal Society of London B 267: 1833–1842 radiation of Lake Tana region of Finland the dominant (! Tana large barbs: phenetics, growth and diversification Science 29:.!, M., E. D. Nentwich, J. F., M. de Graaf, O. Mkumbo, A.I overview labeonin., Megech River, Gumara, and serve as breeding ground for water and! The Northern part of Lake Victoria and rapid evolution of cichlid fishes evolution of cichlid.... Living Aquatic Resources Research Center ( NFLARR/EARO ), the Netherlands, 296 pp, Nagelkerke R.! Desaturated shape of Kenya with its capital, main regional division and the Megech, Gumara River the. B. R. Davies & K. F. Walker ( eds ), the basis of the River approximately! A. McCann ( eds ), the Nile Basin asymmetries: a closed freshwater resource soil... The delta is protected and is the Mount Kenya glacial in Nyeri central... Nurseries for most of the country and integral parts of the Blue Nile at Khartoum Tana or Sagana the! Upper Blue Nile flows from East Africa while the Blue Nile ’ s.. River flows through Troms og Finnmark county, Norway and the phylogenetic placement of the Counties.