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Author: D. Padmalal
Publisher: Springer
ISBN: 9401791449
Category : Technology & Engineering
Languages : en
Pages : 177
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Book Description
This book addresses most of the environmental impacts of sand mining from small rivers The problems and solutions addressed in this book are applicable to all rivers that drain through densely populated tropical coasts undergoing rapid economic growth. Many rivers in the world are drastically being altered to levels often beyond their natural resilience capability. Among the different types of human interventions, mining of sand and gravel is the most disastrous one, as the activity threatens the very existence of river ecosystem. A better understanding of sand budget is necessary if the problems of river and coastal environments are to be solved.
Author: D. Padmalal
Publisher: Springer
ISBN: 9401791449
Category : Technology & Engineering
Languages : en
Pages : 177
Get Book Here
Book Description
This book addresses most of the environmental impacts of sand mining from small rivers The problems and solutions addressed in this book are applicable to all rivers that drain through densely populated tropical coasts undergoing rapid economic growth. Many rivers in the world are drastically being altered to levels often beyond their natural resilience capability. Among the different types of human interventions, mining of sand and gravel is the most disastrous one, as the activity threatens the very existence of river ecosystem. A better understanding of sand budget is necessary if the problems of river and coastal environments are to be solved.
Author: Qian Zhu
Publisher: BRILL
ISBN: 9004505911
Category : Nature
Languages : en
Pages : 305
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Book Description
Anyone who cares about the environment cannot ignore the overmining of river-sand. This book explores how river sand in Zhuang villages in China has been overexploited with disastrous environmental (or social and environmental) consequences, despite official state ownership of the sand, national and local laws regulating mining, and peasant resistance.
Author: Raj Kumar Bhattacharya
Publisher: Springer Nature
ISBN: 3030722961
Category : Science
Languages : en
Pages : 403
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Book Description
Worldwide demand for sand and gravel is increasing daily, as the need for these materials continues to rise, for example in the construction sector, in land filling and for transportation sector based infrastructural projects. This results in over-extraction of sand from channel beds, and hampers the natural renewal of sediment, geological setup and morphological processes of the riverine system. In India, illegal sand mining (of alluvial channels) and gravel mining (of perennial channels) are two anthropogenic issues that negatively affect the sustainable drainage system. Along the Kangsabati River in India, the consequences of sand mining are very serious. The construction of Mukutmonipur Dam (1958) on the river causes huge sediment deposition along the middle and downstream areas, these same areas are also intensely mined for sand (instream and on the flood plain). Geospatial models are applied in order to better understand the state and the resilience of stream hydraulics, morphological and river ecosystem variables during pre-mining and post-mining stages, using micro-level datasets of the Kangsabati River. The book also includes practicable measures to minimize the environmental consequences of instream mining in respect to optimum sand mining. It discusses the threshold limits of each variable in stream hydraulics, morphological and river ecological regime, and also discusses the most affected variables. Consequently, all outputs will be very useful for students, researchers, academicians, decision makers and practitioners and will facilitate applying these techniques to create models for other river basins.
Author: Kiran Pereira
Publisher:
ISBN: 9781838125202
Category : Business & Economics
Languages : en
Pages : 352
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Book Description
In Sand Stories, Kiran Pereira examines why sand is the most consumed commodity on the planet after water and the impacts of this seemingly insatiable demand for sand. The book offers a wealth of potential solutions and is richly illustrated.
Author: Rathoure, Ashok Kumar
Publisher: IGI Global
ISBN: 1799812286
Category : Science
Languages : en
Pages : 313
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Book Description
Understanding the balance of society and nature is imperative when researching ecosystems and their global influence. A method of studying the health of these ecosystems is biodiversity. The more diverse the species that live in an ecosystem, the healthier it is. As the climate continues to transform, small-scale ecosystems are affected, altering their diversity. Environmentalists need a book of research that studies the specific impacts of climate change and how it affects the future of the environment. Current State and Future Impacts of Climate Change on Biodiversity is a pivotal reference source that provides vital research on biological systems and how climate change influences their health. While highlighting topics such as genetic diversity, economic valuation, and climatic conditions, this publication explores the effects of climate change as well as the methods of sustainable management within ecosystems. This book is ideally designed for environmental scientists, environmental professionals, scientists, ecologists, conservationists, government officials, policymakers, agriculturalists, environmentalists, zoologists, botanists, entomologists, urban planners, researchers, scholars, and students seeking research on current and future developments of various ecosystems.
Author: P. G. Somaratne
Publisher: IWMI
ISBN: 9290905190
Category : Watershed management
Languages : en
Pages : 117
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Book Description
This report is based on a research project financed by the Asian Development Bank (ADB) to conduct a regional study for the development of effective water management institutions (ADBRETA no 5812). Research activities were conducted in five river basins in Indonesia, the Philippines, Nepal, China and Sri Lanka for a period of three years commencing from 1999. The river basin studied in Sri Lanka was the Deduru Oya river basin in the North Western Province of the country. This report contains the findings of the Deduru Oya basin study. The overall objective of the case study conducted in Sri Lanka was to help the government of Sri Lanka to improve the institutions managing scarce water resources within the frame work of integrated water resources management. This case study included a comprehensive assessment of the existing physical, socio-economic and institutional environment in the river basin and also the long term changes that are likely to take place.
Author: Hadijah Yahyah
Publisher: Springer Nature
ISBN: 3030360040
Category : Law
Languages : en
Pages : 228
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Book Description
This book presents an important discussion on future options for sustainable soil management in Africa from various perspectives, including national soil protection regulations, the role of tenure rights, the work of relevant international institutions such as the UNCCD and FAO, and regional and international cooperation. This first volume of the new subseries Regional Perspectives to the International Yearbook of Soil Law and Policy includes contributions by African and international experts alike. Given the range of key topics covered, the book offers an indispensable tool for all academics, legislators and policymakers working in this field. The “International Yearbook of Soil Law and Policy – Regional Perspectives” series discusses central questions in law and politics that concern the protection and sustainable management of soil and land in different regions of the world.
Author: M.G. Chandrakanth
Publisher: Springer
ISBN: 8132224795
Category : Business & Economics
Languages : en
Pages : 245
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Book Description
This book uses resource economics costing approaches incorporating externalities to estimate the returns for the country’s irrigation and demonstrates how underestimating the cost of water leads farmers to overestimate profits. The importance of the subject can be judged in light of the fact that India is the largest user of groundwater both for irrigation and for drinking purposes, pumping twice as much as the United States and six times as much as Europe. Despite water’s vital role in ensuring economic security for the nation and farmers alike by supporting more than 70% of food production, water resource economists are yet to impress upon farmers and policymakers the true value of water and the urgent need for its sustainable extraction, recharge and use. In an endeavor to promote more awareness, the book further delineates the roles of the demand side and supply side in the economics of irrigation, and explains how the cost of water varies with the efforts to recharge it, crop patterns, degrees of initial and premature well failure and degrees of externalities. It also discusses the importance of micro-irrigation in the economics of saving water for irrigation, estimating the marginal productivity of water and how it improves with drip irrigation, the economics of water sharing and water markets, optimal control theory in sustainable extraction of water, payment of ecosystem services for water and how India can effectively recover. In closing, the book highlights the role of socioeconomic and hydrogeological factors in the economics of irrigation, which vary considerably across hard rock areas and the resulting limitations on generalizing.
Author:
Publisher: WorldFish
ISBN: 9718709193
Category : Coastal zone management
Languages : en
Pages : 310
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Book Description
Author: Sanjay Kumar
Publisher: John Wiley & Sons
ISBN: 1394166354
Category : Science
Languages : en
Pages : 309
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Book Description
Overuse of natural resources results in environmental deterioration, lowering the effectiveness of important ecosystem services, such as the mitigation of floods and landslides. This leads to a greater risk of disaster and, in turn, natural hazards that can further deteriorate the environment. The deterioration of the capacity of the environment to meet social and ecological aims and demands is described as environmental degradation. This degradation and the concomitant reduction of ecosystems and their irreplaceable services (the benefits humans gain) are driving disaster risk. Changes to the environment can alter the frequency and intensity of risks, as well as our exposure and sensitivity to these hazards. Addressing these issues requires improvement of the capacity to perform short and medium-term operations in disaster management based on long-term environmental considerations. At the local level, minimizing environmental degradation and ecosystem loss involves awareness of the links between unsustainable development and poverty. Communities are often driven to ruin their natural environment as a short-term coping mechanism for dealing with immediate issues; for instance, surviving a bad harvest by selling wood. Strategies for decreasing poverty by investing in environment-sensitive development should therefore support initiatives to minimize disaster risk and build resilience. There are common aspects in successful policies throughout various regions at the policy level, which extends to controlling climate change. Tools such as integrated water resources and coastal zone management, the removal of environmentally harmful subsidies, especially on fossil fuels and/or carbon taxes, renewable energy, marine protected areas, and cross-boundary biodiversity conservation, are all examples of policies used in more than one region but customized to each context. This scoping study finds and assesses available materials that relate environmental challenges and management with catastrophes and risk reduction activities in the Asia-Pacific area. This volume's analysis relies on case studies, examples, and the results of questionnaires and interviews of practitioners and organizations operating in the environment, disaster, and development domains.
