Bioeconomic and Financial Risks of Commercial Tilapia Cage Culture in Neotropical Reservoir for Aquaculture Investors PDF Download
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Author: Maicon da Rocha Brande
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Financial and bioeconomic risks were evaluated for four large commercial Nile tilapia (Oreochromis niloticus) cage projects with production water volume (m 3 ) of 10 to 50 thousand m 3 (Small Volume, SV), 51 to 150 thousand m 3 (Medium Volume, MV), 151 to 300 thousand m 3 (Large Volume, LV) and > 301 thousand m 3 (Extra-Large Volume, ELV). Productivity and economic data were obtained from 232 net cages installed on a commercial farm located in the neotropical reservoir, Brazil, from 2017 to 2019. Cost and profitability analyses, bioeconomic feasibility, and risk and sensitivity analyses were performed using a Monte Carlo simulation. The implementation of commercial tilapia cage farming relies mainly on the feed price. The initial investment demand is proportional to the size of the projects. However, despite the higher investments for the medium, large and extra-large tilapia farms, these projects showed the lowest financial risks. The MV, LV, and ELV projects presented a medium-low risk at 38.67% probability, whereas the SV farm presented a medium to medium-high risk at 51.17% probability. Thus, fish farms with a production volume above 51 thousand m 3 tend to be more profitable and have 35.7% probability of low financial and bioeconomic risk with a Payback period of fewer than 10 years, mainly due to the lower feed costs per mass of fish produced. This study assists investors to choose a better path toward a more viable and profitable activity.
Author: Maicon da Rocha Brande
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Financial and bioeconomic risks were evaluated for four large commercial Nile tilapia (Oreochromis niloticus) cage projects with production water volume (m 3 ) of 10 to 50 thousand m 3 (Small Volume, SV), 51 to 150 thousand m 3 (Medium Volume, MV), 151 to 300 thousand m 3 (Large Volume, LV) and > 301 thousand m 3 (Extra-Large Volume, ELV). Productivity and economic data were obtained from 232 net cages installed on a commercial farm located in the neotropical reservoir, Brazil, from 2017 to 2019. Cost and profitability analyses, bioeconomic feasibility, and risk and sensitivity analyses were performed using a Monte Carlo simulation. The implementation of commercial tilapia cage farming relies mainly on the feed price. The initial investment demand is proportional to the size of the projects. However, despite the higher investments for the medium, large and extra-large tilapia farms, these projects showed the lowest financial risks. The MV, LV, and ELV projects presented a medium-low risk at 38.67% probability, whereas the SV farm presented a medium to medium-high risk at 51.17% probability. Thus, fish farms with a production volume above 51 thousand m 3 tend to be more profitable and have 35.7% probability of low financial and bioeconomic risk with a Payback period of fewer than 10 years, mainly due to the lower feed costs per mass of fish produced. This study assists investors to choose a better path toward a more viable and profitable activity.
Author: M.C.M Beveridge
Publisher: Springer Science & Business Media
ISBN: 9401140081
Category : Science
Languages : en
Pages : 517
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Book Description
Referred to in the Bible, pictured on the wall-friezes of ancient Egyptian tombs, and a subject of fascination for generations of scientists, the tilapias (Cichlidae: Tilapiini) have featured in the diet and culture of humankind for thousands of years. The present century has seen their spread from Africa throughout the tropics and sub-tropics, largely for food and fisheries purposes. This book attempts to pull together our knowledge of this important group - their biology and fisheries and aquaculture - in a single volume, something that has not been done comprehensively for nearly two decades. A succession of chapters by acknowledged authorities covers evolution, phylogenetic relationships and biogeography, reproductive biology, mating systems and parental care, diet, feeding and digestive physiology, environmental physiology and energetics, the role of tilapias in ecosystems, population dynamics and management, genetics, seed production, nutrition, farming, economics and marketing. The book is aimed at biologists, fisheries scientists, aquaculturists, and all interested in aquatic ecology.
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9251312702
Category : Political Science
Languages : en
Pages : 576
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Book Description
The State of the World's Biodiversity for Food and Agriculture presents the first global assessment of biodiversity for food and agriculture worldwide. Biodiversity for food and agriculture is the diversity of plants, animals and micro-organisms at genetic, species and ecosystem levels, present in and around crop, livestock, forest and aquatic production systems. It is essential to the structure, functions and processes of these systems, to livelihoods and food security, and to the supply of a wide range of ecosystem services. It has been managed or influenced by farmers, livestock keepers, forest dwellers, fish farmers and fisherfolk for hundreds of generations. Prepared through a participatory, country-driven process, the report draws on information from 91 country reports to provide a description of the roles and importance of biodiversity for food and agriculture, the drivers of change affecting it and its current status and trends. It describes the state of efforts to promote the sustainable use and conservation of biodiversity for food and agriculture, including through the development of supporting policies, legal frameworks, institutions and capacities. It concludes with a discussion of needs and challenges in the future management of biodiversity for food and agriculture. The report complements other global assessments prepared under the auspices of the Commission on Genetic Resources for Food and Agriculture, which have focused on the state of genetic resources within particular sectors of food and agriculture.
Author: B. B. Jana
Publisher: Springer
ISBN: 9811072485
Category : Technology & Engineering
Languages : en
Pages : 346
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Book Description
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.
Author: Iris Lewandowski
Publisher: Springer
ISBN: 3319681524
Category : Science
Languages : en
Pages : 358
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Book Description
This book is open access under a CC BY 4.0 license. This book defines the new field of "Bioeconomy" as the sustainable and innovative use of biomass and biological knowledge to provide food, feed, industrial products, bioenergy and ecological services. The chapters highlight the importance of bioeconomy-related concepts in public, scientific, and political discourse. Using an interdisciplinary approach, the authors outline the dimensions of the bioeconomy as a means of achieving sustainability. The authors are ideally situated to elaborate on the diverse aspects of the bioeconomy. They have acquired in-depth experience of interdisciplinary research through the university’s focus on “Bioeconomy”, its contribution to the Bioeconomy Research Program of the federal state of Baden-Württemberg, and its participation in the German Bioeconomy Council. With the number of bioeconomy-related projects at European universities rising, this book will provide graduate students and researchers with background information on the bioeconomy. It will familiarize scientific readers with bioeconomy-related terms and give scientific background for economists, agronomists and natural scientists alike.
Author: New Hampshire Agricultural Experiment Station
Publisher:
ISBN:
Category : Agricultural experiment stations
Languages : en
Pages : 52
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Book Description
Author: Carole R. Engle
Publisher: John Wiley & Sons
ISBN: 0470961732
Category : Technology & Engineering
Languages : en
Pages : 274
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Book Description
Aquaculture Economics and Financing Aquaculture Economics and Financing: Management and Analysis provides a detailed and specific set of guidelines for using economic and financial analysis in aquaculture production. By discussing key issues, such as how to finance and plan new aquaculture business; how to monitor and evaluate economic performance; and how to manage capital, labor, and business risk; the book equips aquaculture professionals, researchers, and students with important information applicable to a wide range of business decisions. Chapters address each stage of developing an aquaculture business, including financing, marketing, and developing a business plan to manage cash flows and analyze financial statements. Each chapter includes a detailed example of practical application taken from every-day experience. Written in straightforward terminology facilitating ready application, Aquaculture Economics and Financing: Management and Analysis is an essential tool for analyzing and improving financial performance of aquaculture operations. Key Features: Provides a practical and comprehensive understanding of aquaculture economics and financing Discusses key issues in business plan development; marketing; monitoring financial performance; and managing cash flow, assets, and business risk Features examples of practical application in each chapter Includes an annotated bibliography and webliography detailing key resources and software products available for economic and financial analyses Also of Interest: Bioeconomics of Fisheries Management Lee G. Anderson and Juan Carlos Seijo ISBN: 9780813817323 Statistics for Aquaculture Ram C. Bhujel ISBN: 9780813815879
Author: Barry A. Costa-Pierce
Publisher: John Wiley & Sons
ISBN: 1405148667
Category : Technology & Engineering
Languages : en
Pages : 400
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Book Description
As the world's demand for food from aquatic environments continues to increase, the importance of performing aquaculture in an environmentally responsible manner also increases. The aim of this important and thought-provoking book is to stimulate discussion among aquaculture's modern scientific, education and extension communities concerning the principles, practices and policies needed to develop ecologically and socially sustainable aquaculture systems worldwide. Ecological Aquaculture provides fascinating and valuable insights into primitive (and often sustainable) culture systems, and ties these to modern large-scale aquaculture systems. The book is edited, and authored to a considerable degree, by Barry Costa-Pierce who has assembled a team of some of the leading thinkers in the field, providing information spanning a spectrum of activities from artisanal to high technology approaches to producing aquatic organisms in a balanced and environmentally-friendly way. Ecological Aquaculture is an essential purchase for all aquaculture personnel involved in commercial, practical and research capacities. Libraries in research establishments and universities where aquaculture, biological, environmental and aquatic sciences are studied and taught should have copies of this book available on their shelves.
Author: Malcolm C. M. Beveridge
Publisher: Fishing News Books Limited
ISBN: 9780852381489
Category : Technology & Engineering
Languages : nl
Pages : 352
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Book Description
Author: Tore S. Kristiansen
Publisher: Springer Nature
ISBN: 3030416755
Category : Science
Languages : en
Pages : 518
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Book Description
This book investigates how fish experience their lives, their amazing senses and abilities, and how human actions impact their quality of life. The authors examine the concept of fish welfare and the scientific knowledge behind the inclusion of fish within the moral circle, and how this knowledge can change the way we treat fish in the future. In many countries fish are already protected by animal welfare legislation in the same way as mammals, but in practice there is still a major gap between how we ethically view these groups and how we actually treat them. The poor treatment of fish represents a massive animal welfare problem in aquaculture and fisheries, both in terms of the number of animals affected and the severity of the welfare issues. Thanks to its interdisciplinary scope, this thought-provoking book appeals to professionals, academics and students in the fields of animal welfare, cognition and physiology, as well as fisheries and aquaculture management.
