Policies Drain the North China Plain PDF Download
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Author: Eloise Kendy
Publisher: IWMI
ISBN: 9290905174
Category : Agriculture
Languages : en
Pages : 52
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Book Description
The report examines the relationships between agricultural policies in the North China Plain, the approaches to water management that evolved from them, the quantity of water that was actually used, and the consequent groundwater depletion beneath Luancheng County, Hebei Province, from 1949 to 2000. To systematically address these relationships, we use a comprehensive water-balance approach. Our results indicate that a single, longstanding policy-that of using groundwater to meet the crop-water requirements not supplied by precipitation-is responsible for the steady rate of groundwater decline.
Author: Eloise Kendy
Publisher: IWMI
ISBN: 9290905174
Category : Agriculture
Languages : en
Pages : 52
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Book Description
The report examines the relationships between agricultural policies in the North China Plain, the approaches to water management that evolved from them, the quantity of water that was actually used, and the consequent groundwater depletion beneath Luancheng County, Hebei Province, from 1949 to 2000. To systematically address these relationships, we use a comprehensive water-balance approach. Our results indicate that a single, longstanding policy-that of using groundwater to meet the crop-water requirements not supplied by precipitation-is responsible for the steady rate of groundwater decline.
Author: François Molle
Publisher: IWMI
ISBN: 9290905247
Category : Water conservation
Languages : en
Pages : 42
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Book Description
The development of societies is shaped to a large extent by their resources base, notably water resources. Access to and control of water depend primarily on the available technology and engineering feats, such as river-diversion structures, canals, dams and dikes. As growing human pressure on water resources brings actual water use closer to potential ceilings, supply-augmentation options get scarcer, and societies, therefore, usually respond by adopting conservation measures and by reallocating water towards more beneficial uses.
Author: John Langford
Publisher: IWMI
ISBN:
Category :
Languages : en
Pages : 48
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Book Description
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9251304270
Category : Business & Economics
Languages : en
Pages : 53
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Book Description
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.
Author: Saleth, Rathinasamy Maria
Publisher: IWMI
ISBN: 9290905530
Category : Irrigation
Languages : en
Pages : 47
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Book Description
The overall objective of this paper is to outline the analytical framework and theoretical approach underlying a new research paradigm and illustrate how this paradigm can be used for the strategic analysis of water institutions by applying it to the Indian context.
Author: Upali Amarasinghe
Publisher: IWMI
ISBN: 9290905727
Category : Water resources development
Languages : en
Pages : 46
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Book Description
India is a large country with regional differences in per-capita water supply and demand. Attempts to describe the water situation in India at a national level are often misleading due to the tremendous diversity in the water situation across the country. This Report analyzes the spatial variation of water supply and demand across river basins in India. The study identifies basins that are water-scarce because of inadequate water availability to meet the effective demand. It also identifies issues that are important for estimating the future water demand and for the formation of policy for future water-resources development and management.
Author: Ul Hassan, Mehmood Starkloff, R., Nizamedinkhodjaeva, Nargiza
Publisher: IWMI
ISBN: 929090562X
Category : Water
Languages : en
Pages : 53
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Book Description
This report analyzes the evolving water-management institutions and their performance of five core water management functions, in the context of the ongoing economic and agrarian reform in the Kyrgyz Republic. These core water-management functions are, operation of water systems, maintenance, resource mobilization, conflict resolution and organizational management. The report also identifies key issues and challenges that constrain effective stakeholder participation in water-resources management.
Author: M. Dinesh Kumar
Publisher: Oxford University Press
ISBN: 0199088152
Category : Science
Languages : en
Pages : 292
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Book Description
This book provides an in-depth analysis of existing methods of water management and highlights the gaps in the use of water in various river basins. Underlying the futility of 'quick fix' solutions, it puts forward various alternative strategies for water management. Using illustrative case studies, the author lists major challenges in water management: productivity improvement in key-use sectors, inter-sectoral allocation, trans-boundary resource management, and availability in deficient regions. Highlighting the opportunities for improving water productivity in agriculture, he also provides methodologies for generating country- and regional-level water balance scenarios. The volume also discusses the problems involved in allocating water in river basins. Kumar gives a detailed account of some of the widely known economic tools. He examines the institutional and policy measures for ensuring sustainable use of water and economic growth, including the creation of new organizations.
Author: Namara, Regassa E., Weligamage, Parakrama, Barker, Randolph.
Publisher: IWMI
ISBN: 9290905352
Category : Rice
Languages : en
Pages : 56
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Book Description
Today, there is an increasing worldwide interest in assessing the potential for maintaining or increasing rice yields by reducing or eliminating the use of chemicals and by decreasing irrigation requirements. The System of Rice Intensification (SRI) first developed in Madagascar and now being tested in many countries, is an example of such an approach. The system is based largely on organic farming principles and additional requirements for spacing and the transplanting of seedlings.
Author: Autar S. Dhesi
Publisher: Taylor & Francis
ISBN: 1000087573
Category : Business & Economics
Languages : en
Pages : 534
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Book Description
For many years, agricultural development in Punjab symbolised one of the most successful experiments in rural development. However, this success story seems to be going astray. The crux of the problem, this volume suggests, is that externally driven modernization to meet national food needs pushed Punjab into highly specialized production of wheat and rice, resulting in over-utilisation of natural resources with adverse environmental consequences that jeopardizing the long-term viability and sustainability of the agrarian economy. Stagnating productivity, reduced farm size, falling household incomes, depleting groundwater resources, are only a few of the problems that characterise Punjab’s agriculture today. The book establishes clearly that rural development implies more than transformation of traditional agriculture. Apart from ensuring efficient use of limited resources to sustain agricultural production, rural policy should encompass promotion of non-farm activities, investments in social and economic structure and civic amenities.
