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Water Productivity in Rainfed Agriculture
The challenge of water scarcity as a result of insufficient seasonal rainfall and dry spell occurrences during cropping seasons is compounded by inefficient agricultural practices by smallholder farmers where insignificant soil and water conservation efforts are applied. The hypothesis of this research is that many of the past research efforts have
Smallholder System Innovations in Integrated Watershed Management (SSI)
Rapidly increasing population in the dynamic semi-arid agro-ecosystems in sub-Saharan Africa (SSA) highlights the necessity to increase food production, while at the same time safe-guarding other ecological systems that support human development and well-being. In the past, increases in crop production to keep pace with population growth in this region were largely achieved through the expansion of cultivated area. Today, we must also consider ways of improving the productivity of already existing cropping systems. elopment-oriented research and describes the integrated research approach of the SSI program, its interconnected research projects - their scope and methodologies
Modelling Interception and Transpiration at Monthly Time Steps
The book presents improved equations for monthly water resources models, in particular for interception and transpiration. Most of the existing monthly models do not make a distinction between interception and transipiration, while this distinction is very important for management purposes. Interception is direct feedback to the atmosphere, important to sustain rainfall. Transpiration is a good indicator for plant growth and biomass production. This distinction also contributes to the estimation of recharge and therewith of runoff.;The derivations are based on the Markov theory for the occurrence of rain-days. The methodology can be used on the basis of an analysis of a few time series of daily data, at a spatial scale of 300km and not necessarily of the same period as the monthly data. Zimbabwe served as the case study, but derived equations can be used worldwide as long as the relationship between the monthly rainfall and the mean number of rain-days can be established.
Insights into Policies and Practices on the Right to Development
As the world continues to grapple with a range of practical development challenges that are directly linked to livelihood concerns about human well-being and declining living standards, often overlooked is the human right to development, which remains largely unfulfilled. In the face of successive global initiatives seeking to remedy these challenges, it has become urgent to ask what the universal recognition of the right to development implies if it cannot be translated into improved well-being for impoverished peoples around the world. The contributors in this timely volume argue that setbacks to development are deeply rooted in the failure to implement the right to development, which by nature guarantees equality of opportunities and equitable redistribution of the resources that contribute to better living standards. Assessing policy and practical measures (or the lack thereof), they offer practical suggestions for implementation that will make the right to development a reality for everyone.
Changes in Water Resources Systems
This volume provides a good sample of the many issues that are dealt with in the context of IWRM.
Water - Energy - Food Nexus Narratives and Resource Securities
Water–Energy–Food Nexus Narratives and Resource Securities: A Global South Perspective provides a knowledge synthesis on the water–energy–food (WEF) nexus, focusing primarily on the global south. By presenting concepts, analytical tools, and case studies, the book serves as a practical resource for researchers, policymakers, and practitioners in sustainability and functional roles across all three sectors. It addresses key issues related to data availability, tools, indices, metrics, and application across multiple scales, beginning with a summary of existing knowledge. Finally, it examines the WEF nexus, presents global insights, and discusses future considerations and implications....
Water Productivity in Rainfed Agriculture
The challenge of water scarcity as a result of insufficient seasonal rainfall and dry spell occurrences during cropping seasons is compounded by inefficient agricultural practices by smallholder farmers where insignificant soil and water conservation efforts are applied. The hypothesis of this research is that many of the past research efforts have taken a fragmented approach to deal with the challenges facing subsistence farmers in rainfed systems. The research has been conducted in the semi-arid Makanya catchment of northern Tanzania and has successfully applied different analytical techniques to better understand soil and water interactions at field scale. It has been demonstrated that th...
Enhancing Soil Health to Mitigate Soil Degradation
This book is a printed edition of the Special Issue "Enhancing Soil Health to Mitigate Soil Degradation" that was published in Sustainability
