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Author: Adrian Wood
Publisher: Routledge
ISBN: 113647062X
Category : Science
Languages : en
Pages : 325
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Book Description
In this book the authors argue for a paradigm shift in the way African wetlands are considered. Current policies and wetland management are too frequently underpinned by a perspective that views agriculture simply as a threat and disregards its important contribution to livelihoods. In rural areas where people are entrenched in poverty, wetlands (in particular wetland agriculture) have a critical role to play in supporting and developing peoples' livelihoods. Furthermore, as populations rise and climate change takes grip they will be increasingly important. The authors argue that an approach to wetland management that is much more people focused is required. That is an approach that instead of being concerned primarily with environmental outcomes is centred on livelihood outcomes supported by the sustainable use of natural wetland resources. The authors stress the need for Integrated Water Resource Management and landscape approaches to ensure sustainable use of wetlands throughout a river catchment and the need for wetland management interventions to engage with a wide range of stakeholders. They also assess the feasibility of creating incentives and value in wetlands to support sustainable use. Drawing on nine empirical case studies, this book highlights the different ways in which sustainable use of wetlands has been sought, each case focusing on specific issues about wetlands, agriculture and livelihoods.
Author: Adrian Wood
Publisher: Routledge
ISBN: 113647062X
Category : Science
Languages : en
Pages : 325
Get Book Here
Book Description
In this book the authors argue for a paradigm shift in the way African wetlands are considered. Current policies and wetland management are too frequently underpinned by a perspective that views agriculture simply as a threat and disregards its important contribution to livelihoods. In rural areas where people are entrenched in poverty, wetlands (in particular wetland agriculture) have a critical role to play in supporting and developing peoples' livelihoods. Furthermore, as populations rise and climate change takes grip they will be increasingly important. The authors argue that an approach to wetland management that is much more people focused is required. That is an approach that instead of being concerned primarily with environmental outcomes is centred on livelihood outcomes supported by the sustainable use of natural wetland resources. The authors stress the need for Integrated Water Resource Management and landscape approaches to ensure sustainable use of wetlands throughout a river catchment and the need for wetland management interventions to engage with a wide range of stakeholders. They also assess the feasibility of creating incentives and value in wetlands to support sustainable use. Drawing on nine empirical case studies, this book highlights the different ways in which sustainable use of wetlands has been sought, each case focusing on specific issues about wetlands, agriculture and livelihoods.
Author: Adrian Wood
Publisher: Routledge
ISBN: 1136470638
Category : Science
Languages : en
Pages : 305
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Book Description
In this book the authors argue for a paradigm shift in the way African wetlands are considered. Current policies and wetland management are too frequently underpinned by a perspective that views agriculture simply as a threat and disregards its important contribution to livelihoods. In rural areas where people are entrenched in poverty, wetlands (in particular wetland agriculture) have a critical role to play in supporting and developing peoples' livelihoods. Furthermore, as populations rise and climate change takes grip they will be increasingly important. The authors argue that an approach to wetland management that is much more people focused is required. That is an approach that instead of being concerned primarily with environmental outcomes is centred on livelihood outcomes supported by the sustainable use of natural wetland resources. The authors stress the need for Integrated Water Resource Management and landscape approaches to ensure sustainable use of wetlands throughout a river catchment and the need for wetland management interventions to engage with a wide range of stakeholders. They also assess the feasibility of creating incentives and value in wetlands to support sustainable use. Drawing on nine empirical case studies, this book highlights the different ways in which sustainable use of wetlands has been sought, each case focusing on specific issues about wetlands, agriculture and livelihoods.
Author: International Water Management Institute (IWMI)
Publisher: International Water Management Institute (IWMI)
ISBN: 9290907843
Category : Nature
Languages : en
Pages : 36
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Book Description
Author: Tony Binns
Publisher: Routledge
ISBN: 131749508X
Category : Science
Languages : en
Pages : 725
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Book Description
This handbook presents an extensive new overview of African development - past, present and future. It addresses key core themes and topics that are pertinent to the continent's development - including sections on history, health and food, politics, economics, rural and urban development, and development policy and practice. The volume draws on the expertise of over 60 of the world's leading scholars to provide a detailed and up-to-date analysis of the key opportunities and challenges that confront Africa, and how such issues are being addressed. Arranged by key themes, the handbook provides not only a historical understanding of the past, but also political perspectives on the future. The chapters provide critically informed analyses of their topics by drawing upon the latest conceptual viewpoints and applied experiences in Africa in the form of case studies to offer a comprehensive examination of the opportunities, challenges, key debates and future prospects. This handbook is an invaluable state-of-the-art overview and reference concerning many different aspects of Africa's development, which will be of interest to academics in all fields of African studies, and also academics and students working in cognate disciplines such as development studies, geography, history, politics and economics.
Author: Abias Uwimana
Publisher: CRC Press
ISBN: 1000025683
Category : Science
Languages : en
Pages : 163
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Book Description
The study used a combination of landscape-scale synoptic surveys (catchment, reaches) and mesocosm surveys (experimental plots) to assess the impacts of conversion of natural valley-bottom wetlands to farming land on the water quality and retention of sediment and nutrients. The results showed that temperature, pH, electrical conductivity and dissolved oxygen concentration decreased, and total suspended solids (TSS) increased with storm water increase. Nitrogen (TN) and phosphorus (TP) accumulated in the catchment during the dry season and washed into the water courses during the early stages of the higher flows, with subsequent lower concentrations at the end of the rains due to dilution. Large proportions of the annual loads of TSS, TP and TN (93%, 60% and 67%, respectively) were transported during rainfall events that occurred in 115 days. Fishponds acted as temporal traps of TSS, TN and TP at the early stages of farming, and were a source of and TN and TP at the end of the farming period, in contrast to rice farming that generated sediments and nutrients early in the farming period and trapped them at the end of the farming season. Wetlands mostly acted as sinks but sometimes as a source of sediment and nutrients.
Author: John Pascal Simaika
Publisher: Frontiers Media SA
ISBN: 2889667669
Category : Science
Languages : en
Pages : 198
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Book Description
Author: Stephen Dobson
Publisher: Routledge
ISBN: 0429764839
Category : Business & Economics
Languages : en
Pages : 202
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Book Description
Enterprising Africa explores the future opportunities, challenges, growth areas and key themes that will shape entrepreneurship in the African continent over the next decade. Entrepreneurship can be the key to unlock resilient growth, but only if it is driven by both socially productive and growth-oriented new businesses. The book considers entrepreneurship as an enabler for socio-economic growth and development in Africa, especially in the context of youth unemployment and increasing youth population for which the traditional, and indeed emerging, industrial sectors will not be able to produce sufficient jobs to meet demand. Organised around three thematic parts, Part I covers the notion of inclusive growth and the role that entrepreneurs can play supporting this. Part II considers the dynamic between entrepreneurs and the environment since social, economic and environmental concerns need to build upon each other rather than vie for recognition. Finally, Part III offers chapters exploring policy contexts and the wider institutional ecosystems that need to be developed and enhanced to ensure a strong and vibrant environment for the future entrepreneurs of Africa to thrive. Edited and authored by leading experts in the field, this fascinating text will be of interest to academics as well as students of International, Transformational and Social Entrepreneurship, and International and African Business.
Author: C Max Finlayson
Publisher: Springer
ISBN: 9401796092
Category : Science
Languages : en
Pages : 271
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Book Description
The book addresses the interactions between wetlands and human health and well-being. A key feature is the linking of ecology-health and the targeting of practitioners and researchers. The environmental health problems of the 21st Century cannot be addressed by the traditional tools of ecologists or epidemiologists working in their respective disciplinary silos; this is clear from the emergence and re-emergence of public health and human well-being problems such as cholera pandemics, mosquito borne disease, and episodic events and disasters (e.g. hurricanes). To tackle these problems requires genuine cross-disciplinary collaboration; a key finding of the recently concluded Millennium Ecosystem Assessment when looking at human well-being and ecosystem health. This book brings the disciplines of ecology and health sciences closer to such a synthesis for researchers, teachers and policy makers interested in or needing information to manage wetlands and human health and well-being issues.
Author: Merle Sowman
Publisher: Routledge
ISBN: 1136324135
Category : Nature
Languages : en
Pages : 384
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Book Description
Understanding the governance of complex social-ecological systems is vital in a world faced with rapid environmental change, conflicts over dwindling natural resources, stark disparities between rich and poor and the crises of sustainability. Improved understanding is also essential to promote governance approaches that are underpinned by justice and equity principles and that aim to reduce inequality and benefit the most marginalised sectors of society. This book is concerned with enhancing the understanding of governance in relation to social justice and environmental sustainability across a range of natural resource sectors in Sub-Saharan Africa. By examining governance across various sectors, it reveals the main drivers that influence the nature of governance, the principles and norms that shape it, as well as the factors that constrain or enable achievement of justice and sustainability outcomes. The book also illuminates the complex relationships that exist between various governance actors at different scales, and the reality and challenge of plural legal systems in much of Sub-Saharan Africa. The book comprises 16 chapters, 12 of them case studies recounting experiences in the forest, wildlife, fisheries, conservation, mining and water sectors of diverse countries: Madagascar, Zimbabwe, Botswana, Namibia, South Africa, Zambia, Mozambique, Sierra Leone and Cameroon.Through insights from these studies, the book seeks to draw lessons from the praxis of natural resource governance in Sub-Saharan Africa and to contribute to debates on how governance can be strengthened and best configured to meet the needs of the poor, in a way that is both socially just and ecologically sustainable.
Author: Edwin M.A. Hes
Publisher: CRC Press
ISBN: 100053085X
Category : Science
Languages : en
Pages : 206
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Book Description
African papyrus (Cyperus papyrus L.) wetlands provide water, food and materials to millions of people, and perform important landscape functions such as water and nutrient storage, habitat provision for fish, birds and other wildlife. They are also an integral part of the culture of African wetland communities. With an increasing demand for food, papyrus wetlands are at risk of conversion to agriculture and losing these ecosystem services. Combining increased agricultural production with wetland conservation is urgently needed. The research presented in this book consisted of two parts. First, field experiments investigated nitrogen and phosphorus retention, showing that papyrus grows faster with disturbance from human activities or flooding, but produces less biomass and stores less nutrients. Then, a dynamic simulation model (Papyrus Simulator) based on the hydrological and ecological wetland processes showed that assimilation, mortality, decay, re-translocation, nutrient inflow and soil porosity were the most influential factors. The model demonstrated that controlled harvesting can increase nutrient retention by up to 40%, but overharvesting leads to the release of nutrients. These findings can help determining optimum harvesting strategies for constructed and natural wetlands, and contribute to the quantification of ecosystem services and an evidence-based adaptive management approach for African wetland landscapes.
