Use Of A Hydrological Model For Environmental Management Of The Usangu Wetlands Tanzania

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Use of a hydrological model for environmental management of the Usangu Wetlands, Tanzania

Author : Kashaigili, J. J., McCartney, Matthew, Mahoo, H. F., Lankford, B. A., Mbilinyi, B. P., Yawson, D. K., Tumbo, S. D.
Publisher : IWMI
ISBN 13 : 9290906456
Total Pages : 49 pages
Book Rating : 4.2/5 (99 download)

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Book Synopsis Use of a hydrological model for environmental management of the Usangu Wetlands, Tanzania by : Kashaigili, J. J., McCartney, Matthew, Mahoo, H. F., Lankford, B. A., Mbilinyi, B. P., Yawson, D. K., Tumbo, S. D.

Download or read book Use of a hydrological model for environmental management of the Usangu Wetlands, Tanzania written by Kashaigili, J. J., McCartney, Matthew, Mahoo, H. F., Lankford, B. A., Mbilinyi, B. P., Yawson, D. K., Tumbo, S. D. and published by IWMI. This book was released on 2006 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the findings of a study to assess changes to flows into, and downstream of, the Usangu Wetlands, located in the headwaters of the Great Ruaha River, Tanzania. Hydrological data, in conjunction with remote sensing techniques, were used to provide insights into changes that have occurred to the Eastern Wetland. Results indicate that, between 1958 and 2004, inflows to the wetland declined by about 70 percent in the dry season months (July to November) as a consequence of increased human withdrawals, primarily for irrigation.

Agricultural water management in a water stressed catchment: Lessons from the RIPARWIN Project

Author : McCartney, Matthew P., Lankford, B. A., Mahoo, H.
Publisher : IWMI
ISBN 13 : 9290906707
Total Pages : 56 pages
Book Rating : 4.2/5 (99 download)

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Book Synopsis Agricultural water management in a water stressed catchment: Lessons from the RIPARWIN Project by : McCartney, Matthew P., Lankford, B. A., Mahoo, H.

Download or read book Agricultural water management in a water stressed catchment: Lessons from the RIPARWIN Project written by McCartney, Matthew P., Lankford, B. A., Mahoo, H. and published by IWMI. This book was released on 2007 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the face of growing water stress and increasing concerns over the sustainability of water use, Tanzania has, in common with many other countries in Africa, focused largely on the development of more integrated catchment-wide approaches to water management. In the Great Ruaha River Basin, considerable effort has gone into increasing water productivity and the promotion of mechanisms for more efficient allocation of water resources. Over a period of five years, the RIPARWIN project investigated water management in the basin and evaluated the effectiveness of some of the mechanisms that have been introduced. The study findings are relevant to basins in developing countries where there is competition for water and irrigation is one of the main uses.

Estuaries: A Lifeline of Ecosystem Services in the Western Indian Ocean

Author : Salif Diop
Publisher : Springer
ISBN 13 : 3319253700
Total Pages : 322 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Estuaries: A Lifeline of Ecosystem Services in the Western Indian Ocean by : Salif Diop

Download or read book Estuaries: A Lifeline of Ecosystem Services in the Western Indian Ocean written by Salif Diop and published by Springer. This book was released on 2016-03-22 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides recent environmental, ecological and hydrodynamic information for the major estuaries and the coastal marine systems of the Western Indian Ocean Region. It covers various functions and values of the region’s estuarine ecosystems and their respective habitats, including the land/ocean interactions that define and impact ecosystem services. The Western Indian Ocean region covered by this volume consists of the continental coastal states of Kenya, Mozambique, South Africa and Tanzania and the island states of Madagascar, Mauritius, Seychelles and Comoros.

From Integrated to Expedient

Author : Lankford, B. A
Publisher : IWMI
ISBN 13 : 9290906618
Total Pages : 43 pages
Book Rating : 4.2/5 (99 download)

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Book Synopsis From Integrated to Expedient by : Lankford, B. A

Download or read book From Integrated to Expedient written by Lankford, B. A and published by IWMI. This book was released on 2007 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: Study draws on experiences in the catchment of the Great Ruaha River in Tanzania.

Water for Food in a Changing World

Author : Alberto Garrido
Publisher : Routledge
ISBN 13 : 1136808159
Total Pages : 372 pages
Book Rating : 4.1/5 (368 download)

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Book Synopsis Water for Food in a Changing World by : Alberto Garrido

Download or read book Water for Food in a Changing World written by Alberto Garrido and published by Routledge. This book was released on 2011-04-12 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is not enough water globally for all the things humans need and want water to do for us. Water supply bubbles are bursting in China, the Middle East and India with potentially serious implications for the global economy and for political stability. Even the United States is depleting groundwater on average 25% faster than it is being replenished. Our thirst for water grows with our population, but the amount of fresh water available on Earth is fixed. If we assume "business as usual" by 2050 about 40% of the projected global population of 9.4 billion is expected to be facing water stress or scarcity. With increasing climate variability being predicted by global climate models, we are likely also to have more people without adequate water more of the time, even in water-rich regions. Irrigation productivity rose dramatically over the past 40 years as a result of the Green Revolution. However, even if we disregard the environmental impacts caused by that revolution, we are no nearer to achieving global food security than we were 40 years ago, as every time we come close to filling the food production gap population growth and ecosystem decline associated with water diversions to human purposes set us back. Our natural and agricultural ecosystems are trying to tell us something. This book pursues these overarching themes connecting to water and food production at global and regional scales. The collection offers a comprehensive discussion of all relevant issues, and offers a wide-ranging discussion with the aim of contributing to the global debate about water and food crises.

Nile River Basin

Author : Assefa M. Melesse
Publisher : Springer Science & Business Media
ISBN 13 : 9400706898
Total Pages : 419 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Nile River Basin by : Assefa M. Melesse

Download or read book Nile River Basin written by Assefa M. Melesse and published by Springer Science & Business Media. This book was released on 2011-03-28 with total page 419 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents results of scientific studies ranging from hydrological modelling to water management and policy issues in the Nile River basin. It examines the physical, hydrometeorological and hydrogeological description of the basin along with analysis in understanding the hydrological processes of the basin under the changing land-use stemming from population pressure and increased natural resources tapping. The book discusses the increased impact of climate change on the river flows, and such issues as water availability and demand, management and policy to offset the imbalance between demand and available resources. This book will be of interest to researchers, practitioners, water resources mangers, policy makers as well as graduate and undergraduate students. It is a useful reference text for ecohydrology, arid zone hydrology, hydrology of transboundary rivers and similar courses.

Applying the Gini Coefficient to measure inequality of water use in the Olifants River water management area, South Africa

Author : Cullis, J.
Publisher : IWMI
ISBN 13 : 9290906650
Total Pages : 26 pages
Book Rating : 4.2/5 (99 download)

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Book Synopsis Applying the Gini Coefficient to measure inequality of water use in the Olifants River water management area, South Africa by : Cullis, J.

Download or read book Applying the Gini Coefficient to measure inequality of water use in the Olifants River water management area, South Africa written by Cullis, J. and published by IWMI. This book was released on 2007 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present study explores the application of the Gini Coefficient, which has hitherto only been used for income and land distribution, to quantify the distribution of water resources. The tool is tested in the water-stressed Olifants Water Management Area, in South Africa. Using readily available information on water use registrations, water use estimates, and census data, two versions of the Gini Coefficient are calculated. The first measures the distribution of the allocation of direct water use in rural areas and was estimated at 0.96 in the study area. In other words, 99.5 percent of the rural households are entitled to useonly 5 percent of the available water. The second version calculates the distribution of the indirect benefits of water use in the form of direct employment. This is shown to have a Gini Coefficient of 0.64. Using the Gini Coefficient an assessment was also made of the impacts of different policy scenarios. It was found that by more than doubling the amount of water used by rural households from the current 225 cubic meters per household per annum (m3/hh/annum) to 610 m3/hh/annum, which would enable each household to meet its basic human needs of 50 litres/person/day and irrigate 1,000 square meters (m2), would reduce the Gini Coefficient significantly. Yet, this would only require the large-scale registered users to reduce their current irrigation water use entitlement by 6 percent or the largest ten users to reduce their use by 20 percent each.

Wetlands, agriculture and poverty reduction

Author : McCartney, Matthew
Publisher : IWMI
ISBN 13 : 9290907347
Total Pages : 44 pages
Book Rating : 4.2/5 (99 download)

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Book Synopsis Wetlands, agriculture and poverty reduction by : McCartney, Matthew

Download or read book Wetlands, agriculture and poverty reduction written by McCartney, Matthew and published by IWMI. This book was released on 2010 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: In many places, growing population, in conjunction with efforts to increase food security, is escalating pressure to expand agriculture within wetlands. The environmental impact of wetland agriculture can have profound social and economic repercussions for people dependent on ecosystem services other than those provided directly by agriculture. If wetlands are not used sustainably, the functions which support agriculture, as well as other food security and ecosystem services, are undermined. This report synthesizes findings from multidisciplinary studies conducted into sustainable wetland agriculture by IWMI and partners in Africa and Asia. It highlights the value of wetland agriculture for poverty reduction as well as the need for more systematic planning that takes into account trade-offs in the multiple services that wetlands provide.

River Basin Trajectories

Author : François Molle
Publisher : IWMI
ISBN 13 : 1845935381
Total Pages : 325 pages
Book Rating : 4.8/5 (459 download)

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Book Synopsis River Basin Trajectories by : François Molle

Download or read book River Basin Trajectories written by François Molle and published by IWMI. This book was released on 2009 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains 11 papers which cover a range of vital topics in the areas of water, agriculture, food security and ecosystems - the entire spectrum of developing and managing water in agriculture, from fully irrigated to fully rainfed lands. They are about people and society, why they decide to adopt certain practices and not others and, in particular, how water management can help poor people. They are about ecosystems - how agriculture affects ecosystems, the goods and services ecosystems provide for food security and how water can be managed to meet both food and environmental security objectives. This is the eighth book in the series.

Ecological Changes in the Zambezi River Basin

Author : Mzime Ndebele-Murisa
Publisher : African Books Collective
ISBN 13 : 2382340215
Total Pages : 262 pages
Book Rating : 4.3/5 (823 download)

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Book Synopsis Ecological Changes in the Zambezi River Basin by : Mzime Ndebele-Murisa

Download or read book Ecological Changes in the Zambezi River Basin written by Mzime Ndebele-Murisa and published by African Books Collective. This book was released on 2021-01-11 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an analysis of the ecological conditions and ecosystem goods and services of the Zambezi River Basin (ZRB), the fourth largest river in Africa. Various environmental and anthropogenic factors; inclusive of climate, environmental flows, hydrology, morphology, pollution and land use changes among others and their interactions are considered as drivers of the river ecosystems. The impacts of these drivers on aquatic biota, river ecological integrity, and the livelihoods of surrounding communities are analysed within the socio-economic-policy context. The book goes beyond the usual inventories and basic research by using the comparative research method (CRM) in a trans-disciplinary manner. This CRM analytical approach in this book seeks to interrogate the differences or similarities in socio-economic systems, livelihoods, ecological systems, ecosystem goods and services, their usage and management under the seemingly different cultural, socio-economic conditions expected across boarders that are within the ZRB. The multidisciplinary approach also connects the typical ecological research with social dimensions in a holistic manner. The book therefore, provides empirical and research based evidence to support strategic planning and policy development in the wake of ecological changes that nations and indeed regions such as the ZRB are grappling with while seeking to sustainably manage precious river systems.

The impact of government policies on land use in Northern Vietnam: An institutional approach for understanding farmer decisions

Author : Clement, Floriane, Amezaga, Jaime M., Orange, Didier, Toan, Tran Duc
Publisher : IWMI
ISBN 13 : 9290906642
Total Pages : 31 pages
Book Rating : 4.2/5 (99 download)

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Book Synopsis The impact of government policies on land use in Northern Vietnam: An institutional approach for understanding farmer decisions by : Clement, Floriane, Amezaga, Jaime M., Orange, Didier, Toan, Tran Duc

Download or read book The impact of government policies on land use in Northern Vietnam: An institutional approach for understanding farmer decisions written by Clement, Floriane, Amezaga, Jaime M., Orange, Didier, Toan, Tran Duc and published by IWMI. This book was released on 2007 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report identifies the driving forces for reforestation in three villages of Northern Vietnam. Using an institutional analysis focused on the rules governing upland access and use, the authors assess the relative impact of state policies (reforestation programs and forestland allocation) on land use change. Findings show that the latter are indirectly responsible for reforestation, but not because of the incentives they provided. Instead, they disrupted the local rules governing annual crop cultivation and grazing activities leading to the end of annual cropping. Tree plantation was chosen by farmers as a last resort option. Lessons learned highlight the importance of local level studies and collective rules for land management.

WATER ACCOUNTING FOR WATER GOVERNANCE AND SUSTAINABLE DEVELOPMENT

Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
ISBN 13 : 9251304270
Total Pages : 53 pages
Book Rating : 4.2/5 (513 download)

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Book Synopsis WATER ACCOUNTING FOR WATER GOVERNANCE AND SUSTAINABLE DEVELOPMENT by : Food and Agriculture Organization of the United Nations

Download or read book WATER ACCOUNTING FOR WATER GOVERNANCE AND SUSTAINABLE DEVELOPMENT written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2018-06-27 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is growing interest in water accounting, why it is needed, what benefits it brings, and equally important, how it can be put into practice. Water accounting is not a new idea, yet it is an alarmingly simple one. It is about quantifying water resources and uses of water, much like financial accounts provide information on income and expenditure. Interest in water accounting is based on the premise that ‘We cannot plan and manage what we do not measure’ – a statement that few would disagree with. However, given the current focus on water as a precious and limiting resource, the risks of extreme floods and droughts, and water’s central role in the 2030 Agenda, it is difficult to understand why so little attention is given to water accounting and to making sure we have enough water. Indeed, estimates suggest that by 2050, if we continue with our current approach to water management, global water demand will exceed supply by over 40%, which would put at risk 45% of global GDP, 52% of the world’s population, and 40% of grain production (WWDR, 2016). This concern is supported by the World Economic Forum that consistently ranks water crises as a top global risk (WEF, 2015). Reports from South Africa (January 2018) suggesting that Cape Town may be the world’s first major city to face the prospect of running out of water following severe drought, is a timely ‘wake-up call’ for everyone to focus on accounting for water.

Rainwater Harvesting

Author : Stockholm Environment Institute
Publisher : UNEP/Earthprint
ISBN 13 : 9789280730197
Total Pages : 80 pages
Book Rating : 4.7/5 (31 download)

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Book Synopsis Rainwater Harvesting by : Stockholm Environment Institute

Download or read book Rainwater Harvesting written by Stockholm Environment Institute and published by UNEP/Earthprint. This book was released on 2009 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Climate change, demand for development and already deteriorating state of ecosystems produce an immediate need for innovative opportunities enabling development and human well-being without undermining ecosystem services. Rainwater harvesting creates synergies by upgrading rainfed agriculture and enhancing productive landscapes. The publication describes rainwater harvesting systems, their roles and impacts. It focuses to both negative and positive aspects of using technology and explains how we can decrease constraints and build upon benefits. It examines 29 cases of different economic activities including forestry, agriculture, watershed development and, rural and urban development.

An Assessment of Environmental Flow Requirements of Indian River Basins

Author : V. Y. Smakhtin
Publisher : IWMI
ISBN 13 : 9290906499
Total Pages : 46 pages
Book Rating : 4.2/5 (99 download)

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Book Synopsis An Assessment of Environmental Flow Requirements of Indian River Basins by : V. Y. Smakhtin

Download or read book An Assessment of Environmental Flow Requirements of Indian River Basins written by V. Y. Smakhtin and published by IWMI. This book was released on 2006-01-01 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: "CGIAR Challenge Program on Water & Food; Future Harvest"--Cover.

Closing of the Krishna Basin: Irrigation, streamflow depletion and macroscale hydrology

Author : Biggs, Trent, Gaur, Anju, Scott, C., Thenkabail, Prasad, Gangadhara Rao, Parthasaradhi, Gumma, Murali Krishna, Acharya, Sreedhar, Turral, Hugh
Publisher : IWMI
ISBN 13 : 9290906634
Total Pages : 48 pages
Book Rating : 4.2/5 (99 download)

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Book Synopsis Closing of the Krishna Basin: Irrigation, streamflow depletion and macroscale hydrology by : Biggs, Trent, Gaur, Anju, Scott, C., Thenkabail, Prasad, Gangadhara Rao, Parthasaradhi, Gumma, Murali Krishna, Acharya, Sreedhar, Turral, Hugh

Download or read book Closing of the Krishna Basin: Irrigation, streamflow depletion and macroscale hydrology written by Biggs, Trent, Gaur, Anju, Scott, C., Thenkabail, Prasad, Gangadhara Rao, Parthasaradhi, Gumma, Murali Krishna, Acharya, Sreedhar, Turral, Hugh and published by IWMI. This book was released on 2007 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discharge from the Krishna River into the ocean decreased by 75 percent from 1960-2005, and was zero during a recent multi-year drought. This paper describes the physical geography and hydrology of the Krishna Basin, including runoff production and a basic water account based on hydronomic zones. More than 50 percent of the basin’s irrigated area is groundwater irrigation, which is not currently included in inter-state allocation rules. Future water allocation will require inclusion of the interactions among all irrigated areas, including those irrigated by groundwater and surface water.

Developing procedures for assessment of ecological status of Indian River Basins in the context of environmental water requirements

Download Developing procedures for assessment of ecological status of Indian River Basins in the context of environmental water requirements PDF Online Free

Author : Smakhtin, Vladimir, Arunachalam, M., Behera, S., Chatterjee, A., Das, S., Gautam, P., Joshi, G. D., Sivaramakrishnan, K. G., Unni, K. S.
Publisher : IWMI
ISBN 13 : 9290906685
Total Pages : 44 pages
Book Rating : 4.2/5 (99 download)

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Book Synopsis Developing procedures for assessment of ecological status of Indian River Basins in the context of environmental water requirements by : Smakhtin, Vladimir, Arunachalam, M., Behera, S., Chatterjee, A., Das, S., Gautam, P., Joshi, G. D., Sivaramakrishnan, K. G., Unni, K. S.

Download or read book Developing procedures for assessment of ecological status of Indian River Basins in the context of environmental water requirements written by Smakhtin, Vladimir, Arunachalam, M., Behera, S., Chatterjee, A., Das, S., Gautam, P., Joshi, G. D., Sivaramakrishnan, K. G., Unni, K. S. and published by IWMI. This book was released on 2007 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report attempts to introduce a prototype scoring system for the ecological status of rivers in India and illustrate it through the applications in several major river basins. This system forms part of the desktop environmental flow assessment and is based on a number of indicators reflecting ecological condition and sensitivity of a river. The unique aspect of this study is that it interprets, for the first time, the existing ecological information for Indian rivers in the context of environmental flow assessment. The report targets government departments, research institutions and NGOs which are engaged in environmental flow management and associated policy development, and suggests some subsequent steps in environmental flow work in India.

Rural-urban food, nutrient and virtual water flows in selected West African cities

Author : Drechsel, Pay, Graefe, S., Fink, M.
Publisher : IWMI
ISBN 13 : 9290906693
Total Pages : 39 pages
Book Rating : 4.2/5 (99 download)

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Book Synopsis Rural-urban food, nutrient and virtual water flows in selected West African cities by : Drechsel, Pay, Graefe, S., Fink, M.

Download or read book Rural-urban food, nutrient and virtual water flows in selected West African cities written by Drechsel, Pay, Graefe, S., Fink, M. and published by IWMI. This book was released on 2007 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt: Impacts of increasing population pressure on food demand and land and water resources have sparked interest in nutrient and water balances and flows at a range of scales. In IWMI Research Report 115, it was tried for the first time to quantify rural-urban food flows for selected cities in Ghana and Burkina Faso to analyse their dependency on food supplied from rural vs. peri-urban vs. urban farming. Both, the urban nutrient and water footprints are closely interlinked. Currently, 80-95 percent of the domestic water used and the nutrients consumed go to waste without treatment or resource recovery. The economic dimensions are significant. Options to reduce the environmental burden by closing the rural-urban water and nutrient cycles are discussed.