Search Results - "Wondie, Ayalew"

The impacts of land-use and land-cover change on wetland ecosystem service values in peri-urban and urban area of Bahir Dar City, Upper Blue Nile Basin, Northwestern Ethiopia by Assefa, Workiyie Worie, Eneyew, Belachew Getnet, Wondie, Ayalew

“…Background Even though wetlands are essential in enhancing water quality and providing recreation and entertainment opportunities in urban areas, their values…”
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Physical and chemical features of hydro-geologically connected wetlands in the Abbay River basin, Ethiopia by Fentaw, Getachew, Beneberu, Getachew, Wondie, Ayalew, Getnet, Belachew

“…Physico-chemical water quality assessment is vital for wetland characterization, detecting environmental stress affecting the ecosystem and wetland management…”
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Ecological health assessment of Ethiopian wetlands: Review and synthesis by Fentaw, Getachew, Mezgebu, Amare, Wondie, Ayalew, Getnet, Belachew

“…Assessment and monitoring of wetlands' ecology is vital to evaluate their ecological conditions, and provide information to support management decisions…”
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Development of a multi-metric index based on macroinvertebrates for wetland ecosystem health assessment in predominantly agricultural landscapes, Upper Blue Nile basin, northwestern Ethiopia by Assefa, Workiyie Worie, Eneyew, Belachew Getnet, Wondie, Ayalew

“…Developing multi-metric indices (MMIs) as a tool for inland water ecosystem assessment has attracted the attention of the global scientific community. The…”
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Water hyacinth infestation in Lake Tana, Ethiopia: a review of population dynamics by Cai, Ji, Jiao, Chunmeng, Mekonnen, Mulatie, Legesse, Solomon Addisu, Ishikawa, Kanako, Wondie, Ayalew, Sato, Shinjiro

“…Lake Tana, the largest lake in Ethiopia, has been severely threatened by water hyacinth infestation over the last decade, especially along the northeastern…”
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Plankton Diversity in Tropical Wetlands Under Different Hydrological Conditions (Lake Tana, Ethiopia) by Kahsay, Abrehet, Lemmens, Pieter, Triest, Ludwig, De Meester, Luc, Kibret, Mulugeta, Verleyen, Elie, Adgo, Enyew, Wondie, Ayalew, Stiers, Iris

“…Plankton is an integral part of wetland biodiversity and plays a vital role in the functioning of wetlands. Diversity patterns of plankton in wetlands and…”
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Hydrological Foundation as a Basis for a Holistic Environmental Flow Assessment of Tropical Highland Rivers in Ethiopia by Abebe, Wubneh B., Tilahun, Seifu A., Moges, Michael M., Wondie, Ayalew, Derseh, Minychl G., Nigatu, Teshager A., Mhiret, Demesew A., Steenhuis, Tammo S., Camp, Marc Van, Walraevens, Kristine, McClain, Michael E.

“…The sustainable development of water resources includes retaining some amount of the natural flow regime in water bodies to protect and maintain aquatic…”
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Ecological conditions and ecosystem services of wetlands in the Lake Tana Area, Ethiopia by Wondie, Ayalew

“…Although wetlands are known to provide vital ecosystem services, the current state of wetlands in Ethiopia in terms of their ecosystem service components…”
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Seasonal variation in primary production of a large high altitude tropical lake (Lake Tana, Ethiopia): effects of nutrient availability and water transparency by Wondie, Ayalew, Mengistu, Seyoum, Vijverberg, Jacobus, Dejen, Eshete

“…Primary production rates, chlorophyll and phytoplankton biovolume were measured monthly from April 2003 to November 2004 in Lake Tana, a large tropical lake in…”
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Ecological Status as the Basis for the Holistic Environmental Flow Assessment of a Tropical Highland River in Ethiopia by Abebe, Wubneh B., Tilahun, Seifu A., Moges, Michael M., Wondie, Ayalew, Dersseh, Minychl G., Assefa, Workiye W., Mhiret, Demesew A., Adem, Anwar A., Zimale, Fasikaw A., Abera, Wuletawu, Steenhuis, Tammo S., McClain, Michael E.

“…There is an increasing need globally to establish relationships among flow, ecology, and livelihoods to make informed decisions about environmental flows. This…”
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The driving forces of wetland degradation in Bure and Wonberma Woredas, Upper Blue Nile basin, Ethiopia by Assefa, Workiyie Worie, Eneyew, Belachew Getnet, Wondie, Ayalew

“…Although the land use/land cover (LULC) of inland wetlands has been dynamic over the last 100 years, the extent of their LULC dynamics and its driving forces…”
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Macroinvertebrate assemblages along a gradient of physicochemical characteristics in four riverine wetlands, Upper Blue Nile basin, Northwestern Ethiopia by Assefa, Workiyie Worie, Eneyew, Belachew Getnet, Wondie, Ayalew

“…This study aims to examine the physicochemical variables that influence macroinvertebrate assemblages in wetlands of the Fetam River watershed…”
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Evaluation of the evapotranspiration rate of lacustrine wetland macrophytes in Lake Tana, Ethiopia by Wondim, Yirga Kebede, Melese, Ayalew Wondie

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Distribution of macrophytes in relation to physico-chemical characters in the south western littoral zone of Lake Tana, Ethiopia by Kassa, Yezbie, Mengistu, Seyoum, Wondie, Ayalew, Tibebe, Dessie

“…•Macrophyte dynamics related to physico-chemical factors in the largest Ethiopian lake.•30 species belonging to 15 families identified in this freshwater high…”
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The Potential of Wetlands as Treatment Systems for Organic Matter and Some Selected Metals (As, Ca, Cd, Cr, Cu, Fe, K, Mg, Mn, Na, Pb, and Zn): Case Study of Yitamot Wetland, Ethiopia by Kassa, Yezbie, Mengistu, Seyoum, Wondie, Ayalew, Tibebe, Dessie

“…Organic matter and some selected metals (As, Ca, Cd, Cr, Cu, Fe, K, Mg, Mn, Na, Pb, and Zn) were measured from water and sediment while plant samples from the…”
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Improving management of shoreline and riparian wetland ecosystems: the case of Lake Tana catchment by Wondie, Ayalew

“…This review paper presents the results of many years' research and field observations on ecological status of the catchment of Lake Tana in relation to the…”
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Impact of physicochemical parameters on phytoplankton compositions and abundances in Selameko Manmade Reservoir, Debre Tabor, South Gondar, Ethiopia by Wassie, Tilahun Adugna, Melese, Ayalew Wondie

“…Impact of physicochemical parameters on 2 compositions and abundances in Selameko Reservoir, Debre Tabor, South Gondar from August 2009 to May 2010 was…”
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Environmental flow assessment and implications on sustainability of aquatic ecosystems in Ethiopia: A literature review on global and national evidences by Abebe, Wubneh B., Tilahun, Seifu A., Moges, Michael M., Wondie, Ayalew, Dersseh, Minychl G., McClain, Michael E.

“…As part of water resources management policy, water resources projects undertake environmental flow assessments (EFA) to determine how much water should be…”
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Population dynamics and exploitation patterns of Oreochromis niloticus in Lake Tana, northwest Ethiopia by Assefa, Workiyie Worie, Wondie, Ayalew, Enyew, Belachew Getnet

“…Oreochromis niloticus is the dominant commercial fish in the Lake Tana region. However, its fishery is progressively declining over time. Little or no updated…”
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Spatial and seasonal variation in the macro-invertebrates and physico-chemical parameters of the Enfranz River, Lake Tana sub-basin (Ethiopia) by Mehari, Abrehet Kahsay, Wondie, Ayalew, Mingist, Minwyelet, Vijverberg, Jacobus

“…The main objective of the study was to assess the water quality of the Enfranz River by studying the distribution of macro-invertebrate taxa on the…”
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