Residents living on the shores of ethiopia s lake tana are appealing for government assistance to save them from the fastspreading water hyacinth. Lake tana and its surrounding areas are situated in the amhara national regional state in the north west of ethiopia. Lake tana, the source of the blue nile, is ethiopia s largest lake. Fish species diversity in major river basins of ethiopia. Water quality assessment by measuring and using landsat 7. Lake tana bahir dar 2020 all you need to know before. Bahir dar, lake tana and its beautiful islands are melting pots for biological and cultural diversity and beauty and it is very difficult not to be captivated by them. The weather in bahir dar lake tana in the month of august comes from statistical datas on the last years. It now covers an area of about 3150 km2 and has an average depth of 8 m, with a maximum of 14 m. It now covers an area of about 3150 km 2 and has an average depth of 8 m, with a maximum of 14 m.
Wetlands potential, current situation and its threats in. Fish has historically played an important role in food security in many countries and contributes to do so in globally, providing 1520 percent of animal protein intake. The biology of the fish stocks of the major species in the bahir dar gulf of lake tana, the largest lake in ethiopia, has been studied based on data collected during august 1990 to september 1993. Aquaculture subsector to date, very minimal development has been made in the field of fish farming in ethiopia. More importantly, the lake is the largest lake in ethiopia and consists of diverse species of fishes, two of which garra tana and garra regressus were, for the first time. Impact of climate change and anthropogenic activities on. Catchment 1609 km2, upper blue nile basin, ethiopia. Review on the natural conditions and anthropogenic threats. Fish species in lake tana genetically surprisingly similar. Improved water and land management in the ethiopian.
Located in amhara region in the northwestern ethiopian highlands, the lake is approximately 84 kilometres 52 miles. The geomorphological map of the lake tana basin 15,077 km 2, nile basin, ethiopia presented in this paper was prepared from fieldwork data, maps and satellite data that were processed with a geographic information system gis. Lake tana is the biggest of all ethiopian lakes 85 miles in legnth and 65 wide, at a height of 1,802 m above sea level, and with a depth of about 14 meters, and full of life. This report concerns the domestic trade in frozen fish sourced from lake tana in ethiopia. The lake tana subbasin lake tana occupies a shallow depression mean depth 9 m and maximum depth 14 m in ethiopian plateau located at an altitude of 1786 masl figure 1. In order to sustain the benefit and maintain the ecosystem of the lake, the lake health has to be kept safe. Recently, the data of ministry of agriculture and rural development moard, 2011 stated that the total catch of fishes increase from 14,000 in 1998 to 24,257 tons in year 2011. Recently there are signs of water quality impairment in lake tana, the largest fresh water in ethiopia. Therefore monitoring and evaluation of the water quality of lake is very vital.
The wtp was conducted among 357 beneficiaries of the lake in 11 kebeles districts. Exceptional to this are lake tana, lake lugo, lake chamo, lake awassa and lake ziway which are widely commercialized janko, 2014. Pdf historical survey of tourism industry in ethiopia. This effort of the public to eradicate water hyacinth from lake tana came to be referred to as the save tana movement. The tana lake stone loach afronemacheilus abyssinicus is endemic to ethiopia. Feasibility study for a lake tana biosphere reserve, ethiopia.
Aquaculture farms in ethiopia are smallscale, subsistenceoriented and only to a certain degree commercial. In countries like ethiopia, water quality challenges are emerging and in addition to hardly enough data for monitoring the water quality in surface waters such as lake tana, the largest fresh water in ethiopia. It is estimated that there are more than 0 subsistence fish farmers in ethiopia with a pond size of about 100300 m the main species farmed is tilapia. Fish farming has been practiced in different parts of the world like europe. Gis modeling of potentially suitable sites for aquaculture. Pdf geomorphology of the lake tana basin, ethiopia. Review on distribution of endoparasites of fish in ethiopia. The lake is the growth corridor of the government and supports millions of livelihood around. Soil conservation of the watershed area in utilizing the lake operational rules must be set based on optimization considering the ecosystem and the beneficiaries. Tilapia aquaculture business model for addis chamber. Professor in aquatic ecology department of biology college of science, bahir dar university, ethiopia august, 2014. The catchment was delineated and its properties were extracted from a 30 m 30 m digital elevation model dem of the lake tana basin. We conclude that implementation of the fisheries legislation gazetted in 2003 and the lake management plan adopted in 2015 is crucial to prevent the collapse of the lake tana fishery.
The fish is a species of the greater stone loach, and it inhabits the blue nile which flows from lake tana. The invasive plant is spreading rapidly, threatening the ecosystem, the economy, tourism and the survival of the two million people living on the banks of the vast basin. This study employed contingent valuation method cvm to assess the willingness to pay wtp by labor of beneficiaries of lake tana, ethiopia for the conservation activities of labeobarbus fish species. We, simien roof trek tours, are one of the top tour companies in ethiopia which deliver unique and enjoyable travel experience all through ethiopia to our customers worldwide with our professionally qualified team. Sampling sites 154 sampling sites were identified and selected based on agroclimatic zone and land use and land. Perception and adaptation models of climate change by the. Application of hechms model for flow simulation in the. Evaluation of water hyacinth harvester and wh management. Impact of climate change and anthropogenic activities on livelihood of fishing community around lake tana, ethiopia abstract fisheries are one of livelihood strategies that have contributed significantly to the improvement of life quality in developing countries. However the government, with the support of fao, has enacted the national aquaculture development strategy 2009 in respect of which it currently encourages commercial aquaculture development through.
The fertile shores of lake tana, ethiopia s largest lake and the source of the blue nile, are home to an ancient cultural heritage and unique biodiversity. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month. But even the lake s natural beauty plays second fiddle to its centuriesold monasteries, full of paintings and treasures, and some pretty impressive numbers. Water hyacith coverage survey report on lake tana technical report series 1 compiled by.
With varieties of attractions in the nearby lake tana and blue nile river, make the lake tana region, particularly bahir dar city, as one of the leading tourist destinations in ethiopia, in 2002 bahir dar city was awarded the unesco cities for peace prize for addressing the challenges of rapid urbanization. The largest lake in ethiopia, lake tana is found in this sub basin fig. In the nineties, these barbels attracted attention because of the emerging fishery in the lake. However, current annual per capita fish production is less. Library of congress federal research division 1991. The meteorological model was developed within hechms from rainfall data and the control speci. The case of lake tana region article pdf available november 2016 with 10,886 reads how we. Tana is not only ethiopia s largest lake but a site of immeasurable historical significance. This article incorporates text from this source, which is in the public domain. Such extreme conditions ultimately result in drought with a resultant depletion of assets, societal vulnerability, mass migration and loss of life.
The agribusiness support facility project of the addis ababa chamber of commerce and sectoral associations took the initiative to establish an aquaculture platform to facilitate activities related to production, marketing and value chain analysis. Water hyacinth threatens livelihoods in ethiopias lake tana. There are over 37 islands, and many of them are homes to over 20 christian churches and monasteries, constructed in the mid. Lake tana is a multipurpose lake iwrm should be considered watershed management rather than the lake only. The main commercial species contributing to the total landing are oreochromis niloticus, labeohori, clarias gariepinus, barbus species and latesniloticusfish is highly nutritious, so even. It has been prepared for the improving productivity and market success ipms of ethiopian farmers project implemented by the international livestock research institute ilri on behalf of the ministry of agriculture and rural development moard of ethiopia. The result indicates that more than 83% of people depend on the wetlands for different types of subsistence including fodder, fuel wood, mining and mineral salt extraction. It is estimated that there are more than 0 subsistence fish farmers in ethiopia with a pond size of about. Final overall suitability map for a smallscale fish farming, and b commercial fish farming in the lake tana basin, northwest ethiopia according to socioeconomic and infrastructure classification, only 27. Lake tana in the northern highlands of ethiopia contains a group of carplike fishes.
A similar reports states as wetland crop and fish farming have become increasingly important for people living in river and lake regions in ethiopia. Historical survey of tourism industry in ethiopia and its potential foreconomic development. In recognition of the lake s rich biodiversity and significant cultural heritage, unesco added the lake to its world network of biosphere reserves in june 2015. Lake tana, ashenge, hayk, koka, ziway, langano, awassa, abaya and chamo are among the potential fish rich lakes found in ethiopia. Among the 10 major lakes in ethiopia mowr, 2002, lake tana is the leading and the biggest lake with a potential of about,000 15,000 tons of fish per year fao, 2009. Lake tana covers an area of 3,000 square kilometers, while its. Tana is ethiopia s largest lake, covering more than 3500 sq km, and its waters are the source of the blue nile, which flows 5223km north to the mediterranean sea. Study on internal parasites of oreochromis niloticus. In lake tana, previous studies have indicated that the lake water quality showing signs of degradation 5 6. It is the largest freshwater lake in ethiopia with catchment area of 15,321 km 2 at its outlet.
This research work has been conducted to fill such knowledge gaps of the target population in lake tana subbasin. The largest fishery is in lake tana, the countrys largest lake. Lake tana has thirtyseven islands, twenty of which host ethiopian orthodox churches and monasteries that. Lake tana, one of africas most unique wetland ecosystems and the source of 50% of ethiopia s freshwater is located in the northwestern part of the ethiopian highlands. A haven for culture and nature a project supporting the establishment of a unesco biosphere reserve at lake tana, ethiopia. Estimating willingness to pay for labeobarbus fish species. Water quality status of lake tana, ethiopia yirga kebede wondim tana subbasin organization tasbo, amhara regional state, bahir dar, po box 76, ethiopia abstract the purpose of this study was to assess the physicochemical water quality status of lake tana at 25 sampling. Suspended silt from erosion and land degradation, caused by deforestation in the catchment, increased the turbidity of the lake. Investment opportunities in the ethiopian aquaculture sub.
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