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Author : William K. Journey
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (73 download)
Download or read book Duckweed Aquaculture written by William K. Journey and published by . This book was released on 1991 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. Desbonnet
Publisher : CABI
ISBN 13 : 9781845930936
Total Pages : 312 pages
Book Rating : 4.9/5 (39 download)
Download or read book Urban Aquaculture written by A. Desbonnet and published by CABI. This book was released on 2005-01-01 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Millions of people are moving from rural areas to coastal cities. Meeting the basic human needs for protein foods in the future will be a difficult challenge. Fishery products are the world's most important source of animal protein, which has led to a doubling of the demand for fish since the 1950s. As we can not expect to catch more food from the sea, we must turn to farming the waters, not just hunting them. The new challenge for planners now is to accelerate aquaculture development and to plan for new production, making urban areas of production, particularly recycled urban wastewater. This book includes papers from authors in the U.S., Europe, and Asia that review these developing issues from the perspective of both developed and developing countries.
Author : P. Skillicron
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (726 download)
Download or read book Duckweed Aquaculture written by P. Skillicron and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Paul Skillicorn
Publisher : World Bank Publications
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (318 download)
Download or read book Duckweed Aquaculture written by Paul Skillicorn and published by World Bank Publications. This book was released on 1993 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Fadhi Al Nozaily
Publisher : CRC Press
ISBN 13 : 9789054104254
Total Pages : 268 pages
Book Rating : 4.1/5 (42 download)
Download or read book Performance and Process Analysis of Duckweed-Covered Sewage Lagoons for High Strength Sewage - the Case of Sana'a, Yemen written by Fadhi Al Nozaily and published by CRC Press. This book was released on 2000-01-01 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Duckweed (L.gibba)-covered sewage lagoons (DSLs) are low cost treatment systems, especially suitable for warm climates, or in lands where there are warm seasons. This study attempts to assess DSL system as a new technology, contributing to the understanding of the different mechanisms in the system. Duckweed-covered sewage lagoons could either replace complete wastewater stabilization ponds (WSPs) or be introduced as a second stage in an integrated WSP-DSL treatment system, which could then be used for purifying municipal wastewater, achieving suitable effluent for reuse in agriculture. The duckweed harvested from DSL systems has, in itself, an intrinsic economic value.
Author : Archana Sinha
Publisher : Springer Nature
ISBN 13 : 981195500X
Total Pages : 436 pages
Book Rating : 4.8/5 (119 download)
Download or read book Outlook of Climate Change and Fish Nutrition written by Archana Sinha and published by Springer Nature. This book was released on 2023-01-02 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: The edited book covers the climate change impact broadly across the ecosystems including increasing pressure on livelihood and food supplies to the society. Climate change, in particular, rising temperatures, can have both direct and indirect effects on global fish production. Fisheries and aquaculture is one of the important sectors of agriculture for livelihood and nutritional security. Fish, being poikilothermic in nature are very sensitive to any change in the ecosystem. In commercial aquaculture, it is crucial to ensure that environmental rearing conditions are adequate, if not optimal, for fish growth, welfare and profitability. Thus, the book develops an understanding regarding changes in relevant environmental parameters and its affect in the growth and physiological performance of fish. Fish feeds on natural food organisms, but the adverse changes in the ecosystem attracts nutritionists to provide better food and feeding strategies for optimum growth and survival of the fish. it is become necessary to develop preparedness about the changes and their mitigation strategies through fish nutrition and feeding strategies. This book addresses the potential impact of climate change on the aquaculture sector under sections - Assessment of Global Warming Impact on aquatic resources and fish production, Adaptation in Fish Digestive Physiology and Biochemistry under Changing Environment, Prioritization of fish feed technology with respect to changing climate for adaptation and mitigation, Strategies and planning on reproductive physiology and feed management for biodiversity conservation. The chapters are contributed by the experts in the field of fish nutrition and physiology. The book assists fish farmers, entrepreneurs, planners and advisors specifically related to nutritional and physico-biochemical changes in fishes to adapt or mitigate the adverse effect of climate change.
Author : Maximus Basco
Publisher : CreateSpace
ISBN 13 : 9781481123976
Total Pages : 58 pages
Book Rating : 4.1/5 (239 download)
Download or read book Duckweed Profitable Feed for Tilapia Farming written by Maximus Basco and published by CreateSpace. This book was released on 2012-12-11 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tilapia Feed - Duckweed is a tiny aquatic plant covering stagnant water bodies; it's seen in channels and waterways in semi-tropical and tropical climates in most countries. The green, three rounds fronds plant, or any of its four genera is known to many people who have seen it without realizing such aquatic plant is Duckweed or that such an abundant microphyte plant, considered an invasive plant, offers a great potential as animal feed, specially for fish. Its high level of protein content makes it an ideal fish feed for Tilapia, Carp and possibly other fish as well with great potential savings as fish feed. Duckweeds have structural features that have been simplified by natural selection. A Duckweed leaf is flat and ovoid. Many species have adventitious roots which function as a stability organ and which tend to lengthen as mineral nutrients in water are exhausted. Compared with most plants, Duckweed leaves have little fiber (5% in dry matter of cultivated plants) as they do not need to support upright structures. As a result the plant has little or no indigestible material even for monogastric animals like fish. This contrasts with many crops such as soya beans, rice, or maize, where approximately 50% of the biomass is in the form of high fiber, and low digestibility residues. Their unique properties, such as their phenomenal growth rate, it doubles its size every twenty-four (24) hours or so, offers great potential savings for the animal grower. Its high protein content, its ability to clean wastewater and growth quickly even in brackish water, have been investigated and documented in the last ten years. This manual intends to propagate the value of Duckweed as a food alternative to animal growth, focusing this intent on fish farming, where its potential impact will be recognized immediately by a savvy fish farmers for many reasons discussed here. In the last two decades Duckweed has been investigated for commercial applications seeking to treat wastewater by American firms; mainly by the PRISM Group which pioneered Duckweed farming in India and Peru. Both investigative programs in South Asia and Latin America, suggested that Duckweed cropping would be important as a source of fish and poultry feed; additionally the investigation demonstrated the use of Duckweed as a wastewater treatment alternative. This Technical Study for Latin America and Asia was designed to put together relevant information on Duckweed farming, its beneficial uses and to make such information available to people worldwide. The information in this technical manual comes from many sources; the contribution of the staff at the experimental station in Bangladesh and its directors, Harinder S. Kohli and Mohammed Ikramullah, are acknowledged. Paul Skillicorn and William Spira of the PRISM Group, and William Journey. Viet Ngo of the Lemna Corporation and Richard Middleton of Kalbermatten Associates are given recognition here. Others recognized for this important technical work ar Grimshaw, Khouri, Leeuwrik, van Santen and Macoun. Professor Thomas Popma of the International Center for Aquaculture at Auburn University provided technical support.
Author : Mohd Ashraf Rather
Publisher : CRC Press
ISBN 13 : 1000842185
Total Pages : 429 pages
Book Rating : 4.0/5 (8 download)
Download or read book Coldwater Fisheries and Aquaculture Management written by Mohd Ashraf Rather and published by CRC Press. This book was released on 2023-12-01 with total page 429 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a rich resource of important information on coldwater fish farming and coldwater fisheries management, including new research and recent technological advances. It aims to provide an understanding of the underlying mechanisms of coldwater physiology of fishes, which is essential for effective fishery management and for taking advantage of their vast potential application in aquaculture. Coldwater Fisheries and Aquaculture Management: Technology for Sustainable Food Production elaborates on key aspects associated with reproductive biology and endocrinology of coldwater fishes, such as gonadal development and maturation, vitellogenesis, steroidogenesis, whole genome information of fishes, transcriptomics, proteomics, and more. It also looks at genetic modification of coldwater fishes, phytobiotic-based feed to attain profitability in aquaculture, and the nutritional requirements of coldwater fishes, such as plant-based proteins in fish diets and feeding carbohydrates to fish. It also describes the beneficial dietary nutrition of fish consumption by humans. Several chapters address the various challenges to coldwater fish and fishery management, such as fish bacterial diseases (along with their immune components and defense mechanisms), unpredictable nature of climate change on fish, water pollution, etc. The volume also offers strategies on the sustainable management of fish that include looking at pollution in freshwater ecosystems, biotechnological interventions, predicting threats to fish from climate change, and other factors. This volume will be of value to those in fishery management and fish science as well as to marine researchers, faculty and students, and other involved with aquaculture science and management.
Author : Stuart W. Bunting
Publisher : Routledge
ISBN 13 : 1136462503
Total Pages : 322 pages
Book Rating : 4.1/5 (364 download)
Download or read book Principles of Sustainable Aquaculture written by Stuart W. Bunting and published by Routledge. This book was released on 2013-01-25 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aquaculture is the farming of aquatic organisms, principally fish, molluscs, crustaceans and marine algae. It has seen phenomenal worldwide growth in the past fifty years and many people view it as the best solution for the provision of high quality protein to feed the world's growing population, particularly with the rapid decline in wild marine fish populations. Aquaculture now contributes approximately one third of the world's fish production, and has increased by about eight per cent annually over the last thirty years, while wild capture fishery production has remained static. Focused on developing more sustainable aquaculture practices, this book provides an ideal advanced-level textbook. It is based on extensive evidence and knowledge of best practices, with guidance on appropriate adaptation and uptake in a variety of environmental, geographic, socio-economic and political settings. The author concentrates on low-impact aquaculture systems and approaches, which have minimal adverse effects on the environment. He also emphasizes socially responsible and equitable aquaculture development; to enhance the natural resource base and livelihoods. Drawing on a range of case-studies from around the world, the objective is to show where progress in terms of developing ecologically sound and socially responsible forms of aquaculture has been made. A tool-box of approaches to support widespread adoption and appropriate adaptation of regenerating aquaculture strategies is provided, ensuring the book will have practical relevance for both students and professionals.
Author : Omar Zimmo
Publisher : CRC Press
ISBN 13 : 9789058095763
Total Pages : 148 pages
Book Rating : 4.0/5 (957 download)
Download or read book Nitrogen Transformations and Removal Mechanisms in Algal and Duckweed Waste Stabilisation Ponds written by Omar Zimmo and published by CRC Press. This book was released on 2003-01-01 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Effective treatment of nitrogen containing wastewater is required to prevent eutrophication and groundwater pollution. This thesis shows that effective treatment may be combined with substantial nitrogen recovery in duckweed-based waste stabilization ponds.
Author : Xuan Hieu Cao
Publisher : Springer Nature
ISBN 13 : 3030110451
Total Pages : 185 pages
Book Rating : 4.0/5 (31 download)
Download or read book The Duckweed Genomes written by Xuan Hieu Cao and published by Springer Nature. This book was released on 2020-01-07 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book tells the story behind the first Spirodela genome sequencing project. Further, it describes the current genomics applications of these findings, and efforts to sequence new genomes within the family. The closing chapters address the sequencing of the over 1 Gigabase Wolffia genomes, which could have major impacts on genome evolution and agricultural research. The duckweed or Lemnaceae family is a collection of 5 genera and 37 species of the smallest, fastest-growing flowering plants. Many of these aquatic monocotyledonous plants can grow all over the world, in a variety of climates. Given their simplified and neotenous morphology, duckweeds have been researched for several decades as a model species for plant physiology and ecotoxicological research, contributing to our understanding e.g. of flowering response, plant circadian systems, sulfur assimilation pathways and auxin biosynthesis. In addition, duckweed-based treatment has been a favorite and feasible means, especially in developing countries, of removing phosphorus and pharmaceutical chemicals from sewage and wastewater. With a dry annual mass yield per hectare of up to 80 tonnes (equivalent to 10 tonnes of protein), duckweed is also a promising aquatic crop in new modern and sustainable agriculture. Besides being an excellent primary or supplemental feedstock for the production of livestock and fish, duckweed biomass can be utilized as a potential resource for human nutrition, biofuel, or bioplastics, depending on water quality as well as protein or starch accumulating procedures. These academic and commercial interests have led to international efforts to sequence the Spirodela polyrhiza genome, the smallest and most ancient genome in the family.
Author : Abid A. Ansari
Publisher : Springer Science & Business Media
ISBN 13 : 9048196256
Total Pages : 402 pages
Book Rating : 4.0/5 (481 download)
Download or read book Eutrophication: causes, consequences and control written by Abid A. Ansari and published by Springer Science & Business Media. This book was released on 2010-10-17 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: Eutrophication continues to be a major global challenge to water quality scientists. The global demand on water resources due to population increases, economic development, and emerging energy development schemes has created new environmental challenges to global sustainability. Eutrophication, causes, consequences, and control provides a current account of many important aspects of the processes of natural and accelerated eutrophication in major aquatic ecosystems around the world. The connections between accelerated eutrophication and climate change, chemical contamination of surface waters, and major environmental and ecological impacts on aquatic ecosystems are discussed. Water quality changes typical of eutrophication events in major climate zones including temperate, tropical, subtropical, and arid regions are included along with current approaches to treat and control increased eutrophication around the world. The book provides many useful new insights to address the challenges of global increases in eutrophication and the increasing threats to biodiversity and water quality.
Author : Piet Lens
Publisher : IWA Publishing
ISBN 13 : 1900222477
Total Pages : 652 pages
Book Rating : 4.9/5 (2 download)
Download or read book Decentralised Sanitation and Reuse written by Piet Lens and published by IWA Publishing. This book was released on 2001-03-01 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adopting a multi-disciplinary approach, Decentralised Sanitation and Reuse places public sanitation in a global context and provides a definitive discussion of current state-of-the-art sanitation technologies. It shows how these technologies can be implemented to integrate domestic waste and wastewater treatment in order to maximize resource recycling in domestic practice. Decentralised Sanitation and Reuse presents technical solutions for on-site collection and transport of concentrated waste streams, and focuses on the compromise between reliability and minimal water wastage. A whole range of available sustainable technologies, both low and high-tech, to treat concentrated (black water) and diluted (grey water) streams are addressed in detail from the fundamental scientific and engineering points of view. Sociological, economic and, particularly, environmental and public health aspects are essential issues within this book. The necessity of new infrastructure implementation and the resulting challenges for a good number of economic branches are illustrated with examples from architecture and town planning. Decentralised Sanitation and Reuse will be an invaluable resource for a wide academic and professional readership active in the fields of environmental protection and public sanitation. Contents The DESAR concept for environmental protection Waste and wastewater characteristics and its collection on the site Technological aspects of DESAR Environmental and public health aspects of DESAR Sociological and economic aspects of DESAR Architectural and urbanistic aspects of DESAR
Author : Julia Rosa Caicedo Bejarano
Publisher : CRC Press
ISBN 13 : 9780415375542
Total Pages : 180 pages
Book Rating : 4.3/5 (755 download)
Download or read book Effect of Operational Variables on Nitrogen Transformations in Duckweed Stabilization Ponds written by Julia Rosa Caicedo Bejarano and published by CRC Press. This book was released on 2005-03-24 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is an urgent need to develop and improve low cost technologies for wastewater treatment. Simultaneously treating wastewater and producing duckweed in a pond system is, therefore, an attractive solution contributing to both environmental protection and food production. Duckweed has excellent qualities: a high protein content, a high growth rate and is an easy crop to handle. The small plant turns nitrogen from wastewater into a food source. This thesis reports on the effect of different operational variables, like anaerobic pre-treatment, the combination of algae and duckweed ponds and pond depth. Improved nitrogen removal was obtained through the combination of duckweed ponds with algae ponds. Duckweed pond systems could be designed with shallow depth without affecting nitrogen removal efficiency. This research is the result of the cooperative effort between the EIDENAR, Univalle, Cali, Colombia and the UNESCO-IHE Institute for Water Education in Delft, the Netherlands.
Author :
Publisher : Mittal Publications
ISBN 13 : 9788170999423
Total Pages : 374 pages
Book Rating : 4.9/5 (994 download)
Download or read book Water Resources Development and Management written by and published by Mittal Publications. This book was released on 2004 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Papers In The Volume Arise From The Second International Conference On The Subject Held In 2002. Papers Are Grouped Under 5 Chapters-Ground Water Development And Management Drinking Water Supply And Management-Watershed Development-Water Resources Management-Agriculture Development And Conservation And Management Of Water Resources For Sustainable Development. In All There Are 28 Papers.
Author : Amoah, Philip
Publisher : International Water Management Institute (IWMI). CGIAR Research Program on Water, Land and Ecosystems (WLE).
ISBN 13 : 9290909188
Total Pages : 50 pages
Book Rating : 4.2/5 (99 download)
Download or read book Safe and sustainable business models for water reuse in aquaculture in developing countries written by Amoah, Philip and published by International Water Management Institute (IWMI). CGIAR Research Program on Water, Land and Ecosystems (WLE).. This book was released on 2021-08-06 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: About the Resource Recovery & Reuse Series Resource Recovery and Reuse (RRR) is a subprogram of the CGIAR Research Program on Water, Land and Ecosystems (WLE) dedicated to applied research on the safe recovery of water, nutrients and energy from domestic and agro-industrial waste streams. This subprogram aims to create impact through different lines of action research, including (i) developing and testing scalable RRR business models, (ii) assessing and mitigating risks from RRR for public health and the environment, (iii) supporting public and private entities with innovative approaches for the safe reuse of wastewater and organic waste, and (iv) improving rural-urban linkages and resource allocations while minimizing the negative urban footprint on the peri-urban environment. This subprogram works closely with the World Health Organization (WHO), Food and Agriculture Organization of the United Nations (FAO), United Nations Environment Programme (UNEP), United Nations University (UNU) and many national and international partners across the globe. The RRR series of documents presents summaries and reviews of the subprogram’s research and resulting application guidelines, targeting development experts and others in the research for development continuum.
Author : B. B. Jana
Publisher : Springer
ISBN 13 : 9811072485
Total Pages : 335 pages
Book Rating : 4.8/5 (11 download)
Download or read book Wastewater Management Through Aquaculture written by B. B. Jana and published by Springer. This book was released on 2018-02-05 with total page 335 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides state-of-the-art information on soil-water interactions in wastewater systems, characterization of wastewater, modes of treatment, safety of wastewater use, water conservation technologies involved in recycling of sewage in fish culture, biogeochemical cycling bacteria and nutrient dynamics, ecosystem resilient driven wastewater reclamation, bioremediation, aquaponics, ecological integrity, culture practices of fish farming, microbial food web phenomena, fish diseases, environmental economics of wastewater, environmental risk assessment, environmental law and regulations. Given its breadth of coverage, the book will be useful to researchers, teachers, students, administrators, planners, farmers and entrepreneurs interested in the profitable use of wastewater in the wastes-into-wealth framework of for the benefit of humanity, and in achieving the targets for sanitation and safe wastewater reuse by 2030, specified in the United Nations’ Sustainable Development Goals. Concerns are growing about the quality and quantity of fresh water, as severe crises are expected in the near future. Climate change has further worsened the strain on inland water resources, with its major impacts on ecosystems and human life. It is most urgent to protect and conserve inland water resources to maintain vital ecosystem functions. Despite the immense nutrient potentials of wastewater in terms of phosphorus, nitrogen and potassium and increasingly high rates of urbanization-based wastewater generation, wastewater has traditionally been overlooked as a resource. This produces a threefold loss – environmental degradation, monetary losses from fertilizers, and water. As a result, municipal wastewater offers a win-win strategy for water conservation and environmental protection, while also turning waste into wealth in the form of fish biomass and allied cash crops. Wastewater-fed aquaculture refers to a unique, integrated biosystem in which the wastes generated by the first system are used by the next subsystem. In wastewater-fed aquaculture biosystems, the organic wastes are recycled into fish biomass mediated through a complex microbial/autotrophic/heterotrophic food web mechanism.
