Revisiting Dominant Notions A Review Of Costs Performance And Institutions Of Small Reservoirs In Sub Saharan Africa PDF Download

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Revisiting dominant notions: A review of costs, performance and institutions of small reservoirs in sub-Saharan Africa.

Revisiting dominant notions: A review of costs, performance and institutions of small reservoirs in sub-Saharan Africa.
Author: Venot, J.-P.
Publisher: IWMI
Total Pages: 44
Release: 2012
Genre:
ISBN: 9290907509

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This report investigates the dynamics of one of the most common agricultural water management practices of sub-Saharan Africa, i.e., small reservoirs. Small reservoirs dam permanent or temporary river flows and support multiple livelihood activities (livestock watering, crop cultivation, fisheries, small handicrafts, etc.) while providing water-related ecosystem services (soil and water conservation, flood and drought mitigation, etc.). Gathering evidence from four sub-Saharan countries, Burkina Faso, Ghana, Ethiopia and Zambia, this report calls for revisiting our understanding and assessment of the costs, performance and institutions for the management of small reservoirs. A more holistic analytical approach is the first step towards an integrative governance framework. This, in turn, holds the promise of sustainable management of small reservoirs.


FISHERIES IN THE DRYLANDS OF SUB-SAHARAN AFRICA

FISHERIES IN THE DRYLANDS OF SUB-SAHARAN AFRICA
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
Total Pages: 64
Release: 2018-11-08
Genre: Nature
ISBN: 9251092192

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Drylands cover more than half sub-Saharan Africa and are home to nearly 50 percent of the region's people. This review documents resilience to climatic variability of fish resources in the sub-Saharan drylands. It also examines the potential for increasing their supply through improved use of available bodies of water, especially small reservoirs.


Facilitating outcomes

Facilitating outcomes
Author: Amerasinghe, P.
Publisher: IWMI
Total Pages: 38
Release: 2013-01-01
Genre: Mathematics
ISBN: 9290907770

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The Multi-stakeholder Policy Formulation and Action Planning approach was applied in the context of a multi-city study to influence and/or change policies that govern urban agriculture practices in three African and two Asian countries. Although the approach was successful and resulted in remarkable outcomes, it showed space for improvement to facilitate its application. The study also showed that there are significant regional differences in how best to achieve policy change, which require careful attention in order to achieve the highest returns on investment in the facilitation of impact pathways.


Agricultural Water Storage in an Era of Climate Change: Assessing Need and Effectiveness in Africa

Agricultural Water Storage in an Era of Climate Change: Assessing Need and Effectiveness in Africa
Author: Matthew McCartney
Publisher: IWMI
Total Pages: 42
Release: 2013-06-06
Genre:
ISBN: 9290907711

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By mitigating the vagaries of climate variability, agricultural water storage is widely anticipated to make a key contribution to climate change adaptation in Africa. However, if the planning of water storage is not improved, it is likely that many investments will fail to fully deliver intended benefits. This report describes the agricultural water storage continuum and some of the possible implications of climate change. A simple diagnostic tool which can be used to provide a rapid evaluation of the need and effectiveness of different water storage options, under existing and possible future climate conditions, is presented.


Earth Observation for Water Resource Management in Africa

Earth Observation for Water Resource Management in Africa
Author: Benjamin Koetz
Publisher: MDPI
Total Pages: 557
Release: 2018-10-02
Genre: Electronic book
ISBN: 3038421537

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This book is a printed edition of the Special Issue "Earth Observation for Water Resource Management in Africa" that was published in Remote Sensing


Evaluating the flow regulating functions of natural ecosystems in the Zambezi River Basin

Evaluating the flow regulating functions of natural ecosystems in the Zambezi River Basin
Author: McCartney, M.
Publisher: IWMI
Total Pages: 64
Release: 2013
Genre:
ISBN: 9290907630

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By affecting evapotranspiration and influencing how water is routed and stored in a basin, forests, wetlands and floodplains play a crucial role in the hydrological cycle. Although they are widely attributed a major role in regulating flows (i.e., both attenuating floods and maintaining flow during dry periods), these services are rarely factored into the planning and management of water resources. One reason for the failure to include them is lack of understanding. Very often the extent to which natural regulating functions really occur is unclear. Against this background, this report describes a simple, pragmatic approach for quantifying the flow regulating functions of natural ecosystems. The method has been applied at 14 locations in the Zambezi River Basin.


The Water Resource Implications of Changing Climate in the Volta River Basin

The Water Resource Implications of Changing Climate in the Volta River Basin
Author: Matthew McCartney
Publisher: IWMI
Total Pages: 46
Release: 2012
Genre:
ISBN: 9290907649

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The Volta River is one of the major rivers in Africa. In this study, a dynamic regional climate model (CCLM), a hydrological model (SWAT) and a water resource model (WEAP) were used to provide an assessment of one downscaled ‘middle impact’ climate change scenario on the performance of existing and planned irrigation and hydropower schemes. The results indicate that, by the middle of the twenty-first century, altered climate is likely to undermine the technical performance of existing and planned reservoirs, which will, in turn, affect development outcomes. Future water resources development in the basin requires interventions that bolster resilience and water security. Much more systematic planning of water storage, greater cooperation between the riparian states and consideration of innovative approaches to water storage are needed.


Water user associations

Water user associations
Author:
Publisher: International Water Management Institute (IWMI)
Total Pages: 82
Release: 2018-06-20
Genre: Technology & Engineering
ISBN: 9290908653

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Urban wastewater and agricultural reuse challenges in India

Urban wastewater and agricultural reuse challenges in India
Author:
Publisher: IWMI
Total Pages: 40
Release: 2013-11-14
Genre: Nature
ISBN: 9290907657

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More than 1 million hectares of urban land in India could be irrigated for crops if wastewater was made safe for use. Lack of systematic data collection by municipalities makes it difficult to accurately assess the wastewater generation or estimate the total amount of urban area under wastewater irrigation, so the potential of urban and peri-urban farming could be even greater. This study attempted to analyze the current status of wastewater generation, its uses and livelihood benefits especially in agriculture, based on national data and case studies from Ahmedabad, New Delhi, Hyderabad, Kanpur and Kolkata.