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Books > Professional & Technical > Agriculture & farming > Aquaculture & fishing: practice & techniques

Biology and Ecology of Carp (Paperback): Constanze Pietsch, Philipp Hirsch Biology and Ecology of Carp (Paperback)
Constanze Pietsch, Philipp Hirsch
R1,972 Discovery Miles 19 720 Ships in 12 - 17 working days

Carp are the backbone of a growing aquaculture industry. They facilitate scientific progress as a model species in laboratories, cause concern for ecosystem managers as an invasive species, and mesmerize anglers as big game. In addition, ornamental koi carp fascinate hobby breeders. Biology and Ecology of Carp covers all these facets of this freshwater fish. Informative and engaging contributions from renowned experts review the current state of research on carp and present their original findings. Thirteen cross-linked chapters provide an exhaustive yet easily accessible treatise explorinig: Carp aquaculture Natural and artificial reproduction Feeding and growth Ecosystem effects of carp Effects of disease agents and toxic substances on carp Color illustrations and infoboxes help readers navigate technical terms and complex concepts, explaining how carp interact with their natural and artificial environments. This book is suitable for everyone interested in carp-from scholars to anglers.

Coastal Ecosystem Processes (Paperback): Daniel M. Alongi Coastal Ecosystem Processes (Paperback)
Daniel M. Alongi
R1,979 Discovery Miles 19 790 Ships in 12 - 17 working days

There is a need for documentation and awareness of how necessary and delicate the interplay is among the biological and physical forces of ocean, land, and the atmosphere. Dr. Alongi, an outstanding marine scientist known worldwide for his work on tropical marine systems, presents research on coastal ecosystem processes from both the temperate and tropical perspectives. Coastal Ecosystem Processes includes the information on tropical marine and estuarine habitat problems such as pesticides, pollution, mining, declining fisheries yields, changes in the sea level, atmospheric CO2, and aquaculture. The importance of conserving fragile ecosystems such as mangroves and coral reefs is discussed.

Live Feeds in Marine Aquaculture (Hardcover, New): J Stottrup Live Feeds in Marine Aquaculture (Hardcover, New)
J Stottrup
R5,670 Discovery Miles 56 700 Ships in 12 - 17 working days

As the expansion in world aquaculture continues at a very high rate, so does the need for information on feeding of cultivated fish and shellfish. In the larval and juvenile phases of many species, the use of manufactured feed is not possible. This important book covers in detail the biology and culture of the main live prey and microalgae used as feeds in the aquaculture of major commercial species including shrimps, sea bass, halibut, cod and bivalves.


Contents include comprehensive details of the status of marine aquaculture in relation to live prey, and chapters covering the biology, production, harvesting, processing and nutritional value of microalgae and the main prey species: rotifers, "Artemia" and copepods.


The editors have drawn together an impressive international team of contributors, providing a work that is set to become the standard reference and practical guide on the subject for many years to come.


"Live Feeds in Marine Aquaculture" is an essential purchase for anyone involved in marine aquaculture, including fish farmers, researchers, and personnel in feed and equipment companies supplying the aquaculture trade. An extremely valuable tool as a reference and practical manual for students and professionals alike; libraries in all universities and research establishments where biological and aquatic sciences and aquaculture are studied and taught, should have copies available on their shelves.

Fish Behavior 2 - Ethophysiology (Hardcover): J Brusle Fish Behavior 2 - Ethophysiology (Hardcover)
J Brusle
R3,193 R3,006 Discovery Miles 30 060 Save R187 (6%) Out of stock

Advances in underwater exploration, in situ observation of fish populations, as well as the development of cutting-edge technologies, provide modern insights into behaviors and strategies of fish, whose cognitive abilities have long been underestimated and undervalued. Fish Behavior 2 presents current knowledge about fish biology, ecology and ethology. In light of the most recent scientific work, this book examines topics such as their reproductive behavior and the expression of their personalities. It also addresses issues associated with neurophysiological conditioning of behaviors, in relation to the structural and functional complexity of their brains. This book is intended for researchers, teachers, master s and doctoral students in biology and biogeography, engineers and technicians responsible for the development and protection of natural environments and public aquariums, in addition to aquaculturists, fishermen, environmentalists and ecologists.

Routledge Handbook of Ocean Resources and Management (Paperback): Hance D. Smith, Tundi S. Agardy, Juan Luis Suarez De Vivero Routledge Handbook of Ocean Resources and Management (Paperback)
Hance D. Smith, Tundi S. Agardy, Juan Luis Suarez De Vivero
R2,004 Discovery Miles 20 040 Ships in 12 - 17 working days

This comprehensive handbook provides a global overview of ocean resources and management by focusing on critical issues relating to human development and the marine environment, their interrelationships as expressed through the uses of the sea as a resource, and the regional expression of these themes. The underlying approach is geographical, with prominence given to the biosphere, political arrangements and regional patterns - all considered to be especially crucial to the human understanding required for the use and management of the world's oceans. Part one addresses key themes in our knowledge of relationships between people and the sea on a global scale, including economic and political issues, and understanding and managing marine environments. Part two provides a systematic review of the uses of the sea, grouped into food, ocean space, materials and energy, and the sea as an environmental resource. Part three on the geography of the sea considers management strategies especially related to the state system, and regional management developments in both core economic regions and the developing periphery. The primary themes within each chapter are governance (including institutional and legal bases); policy - sets of ideas governing management; and management, both technical and general.

Bivalve Molluscs - Biology, Ecology and Culture (Hardcover): E. Gosling Bivalve Molluscs - Biology, Ecology and Culture (Hardcover)
E. Gosling
R5,936 Discovery Miles 59 360 Ships in 12 - 17 working days

"Bivalve Molluscs" is an extremely comprehensive book covering all major aspects of this important class of invertebrates. As well as being an important class biologically and ecologically, many of the bivalves are fished and cultured commercially (e.g. mussels, oysters, scallops and clams) in a multi-billion dollar worldwide industry.


Elizabeth Gosling who has a huge wealth of research, teaching and hands on experience working with bivalves, has written a landmark book that will stand for many years as the standard work on the subject. Chapters in "Bivalve Molluscs" cover morphology, ecology, feeding, reproduction, settlement and recruitment, growth, physiology, fisheries, aquaculture, genetics, diseases and parasites, and public health issues. A full understanding of many of these aspects is vital for all those working in bivalve fisheries and culture.


An essential purchase for anyone concerned with this important class of animals, copies of "Bivalve Molluscs" should be on the shelves of biologists, ecologists, environmental scientists, fisheries scientists and personnel within the aquaculture industry. Copies of the book should be available in all libraries and research establishments where these subjects are studied or taught.


Elizabeth Gosling is based at the Galway-Mayo Institute of Technology, Galway, Ireland.

Handbook of Algal Technologies and Phytochemicals - Volume II Phycoremediation, Biofuels and Global Biomass Production... Handbook of Algal Technologies and Phytochemicals - Volume II Phycoremediation, Biofuels and Global Biomass Production (Hardcover)
Gokare Ravishankar, Ranga Rao Ambati
R5,085 Discovery Miles 50 850 Ships in 12 - 17 working days

Key Features The most comprehensive resource available on the biodiversity of algal species, their industrial production processes and their use for human consumption in food, health and varied applications. Emphasis on basic and applied research, addressing aspects of scale-up for commercial exploitation for the development of novel phytochemicals (phytochemicals from algae). Addresses the underexplored and underutilized potential of chemicals from marine sources for health benefits. Each chapter, written by expert contributors from around the world, includes a Dictionary of Terms, Key Facts, Summary Points, Figures and Tables, as well as up-to-date references. The second book in this two-volume set explores phycoremedation applications, and the sustainable use of algae for biofuels and other products of economic value. It also looks at aspects such as macro- and micro algal impact on marine ecosystem and remote sensing of algal blooms. The commercial value of chemicals of value to food and health is about $6 billion annually, of which 30 percent relates to micro and macro algal metabolites and products for health food applications. As a whole, the two volumes explore the aspects of diversity of micro and macro algal forms, their traditional uses; their constituents which are of value for food, feed, specialty chemicals, bioactive compounds for novel applications, and bioenergy molecules. Bio-business and the market share of algae-based products are also dealt with, providing global perspectives.

Fishery Science - The Unique Contributions of Early Life Stages (Paperback): LA Fuiman Fishery Science - The Unique Contributions of Early Life Stages (Paperback)
LA Fuiman
R2,492 Discovery Miles 24 920 Ships in 12 - 17 working days

It is now clear that data based on the studies of fish eggs and larvae make a number of unique contributions to fishery science that are crucial for accurate assessment and management of fish populations, including those of commercially important fisheries.

This valuable book demonstrates why fish eggs and larvae are important, how the characteristics of early life stages require a somewhat different research approach and how information on early life stages can be applied and interpreted to yield unique insights into fish populations. The editors of "Fishery Science" have drawn together an extremely useful and well-written book with contributions from internationally respected researchers from North America, Asia and Europe. Chapters include a discussion of the unique nature of early life stages, age and growth, mortality, recruitment, populations analysis, habitats, human impacts and management. A carefully selected set of case studies demonstrates several specific applications of early life history information to a number of fishery problems.

"Fishery Science" was designed to complement existing textbooks and is an essential purchase for all fisheries students and professionals, and for biologists working on the early life stages of fish. This exciting book is also of great value to ecologists, marine, freshwater and environmental scientists, populations biologists and oceanographers. All libraries in universities and research establishments where biological and fishery science are studied and taught should have copies of this book available on their shelves.

Trout Culture - How Fly Fishing Forever Changed the Rocky Mountain West (Paperback): Jen Corrinne Brown Trout Culture - How Fly Fishing Forever Changed the Rocky Mountain West (Paperback)
Jen Corrinne Brown
R742 Discovery Miles 7 420 Ships in 12 - 17 working days

From beer labels to literary classics like A River Runs Through It, trout fishing is a beloved feature of the iconography of the American West. But as Jen Brown demonstrates in Trout Culture: How Fly Fishing Forever Changed the Rocky Mountain West, the popular conception of Rocky Mountain trout fishing as a quintessential experience of communion with nature belies the sport's long history of environmental manipulation, engineering, and, ultimately, transformation. A fly-fishing enthusiast herself, Brown places the rise of recreational trout fishing in a local and global context. Globally, she shows how the European sport of fly-fishing came to be a defining, tourist-attracting feature of the expanding 19th-century American West. Locally, she traces the way that the burgeoning fly-fishing tourist industry shaped the environmental, economic, and social development of the Western United States: introducing and stocking favored fish species, eradicating the less favored native "trash fish," changing the courses of waterways, and leading to conflicts with Native Americans' fishing and territorial rights. Through this analysis, Brown demonstrates that the majestic trout streams often considered a timeless feature of the American West are in fact the product of countless human interventions adding up to a profound manipulation of the Rocky Mountain environment. https://www.youtube.com/watch?v=ZKMwEkKj9jg

Biology and Ecology of Edible Marine Gastropod Molluscs (Hardcover): Ramasamy Santhanam Biology and Ecology of Edible Marine Gastropod Molluscs (Hardcover)
Ramasamy Santhanam
R3,839 Discovery Miles 38 390 Ships in 12 - 17 working days

This comprehensive volume focuses exclusively on sea snails (or gastropods), which are popular food items and occupy an important role in the commercial shell craft industry. Familiar examples include conchs (highly sought after due to their mild flavor) and escargot, abalone, and periwinkle snails. This book covers the profile (habitat, distribution, morphology, food and feeding, reproduction, conservation status, etc.) of about 180 species of commercial edible marine gastropod molluscs as well as their nutritional values, commercial importance, and pharmaceutical value. Also included is information on their prevalent diseases and parasites. The informative descriptions are presented in an easy-to-read style with neat illustrations.

Oyster Culture (Hardcover): Matthiessen Oyster Culture (Hardcover)
Matthiessen
R4,177 Discovery Miles 41 770 Ships in 12 - 17 working days

The oyster trade worldwide is of huge commercial importance, and the demand for high quality oysters is rising all the time. With wild stocks depleted, the ever-increasing multi-million dollar oyster farming industry is serving this demand.

"Oyster Culture" is a thorough review of the subject, providing a huge wealth of practical and commercially vital information of importance to all those involved in this expanding industry.

Based on a lifetime's work in the industry, George Matthiessen has written a much-needed and comprehensive book covering all major aspects of the subject. The book covers the biology, distribution, husbandry and disease of cultured oysters and looks in detail at recent developments in oyster culture as well as considering the limits to oyster production. Separate chapters deal in detail with a) oyster culture in the Far East, the Indo-Pacific Region, Western Europe, North America and tropical areas and b) a history of production methods by a New England-based oyster company.

This important book will be a vital tool and reference work for all those involved in the culture of oysters, including oyster farm managers and workers; biologists working on oysters and other bivalve shellfish and invertebrates; regulatory personnel and all those serving the industry, including personnel in aquaculture equipment and feed companies. Copies of the book should also be available in libraries of universities, research establishments and government laboratories where aquaculture is studied or taught.

George C. Matthiessen PhD, has for 30 years been President of Ocean Pond Corporation, Fishers Island, New York, U.S.A.

Trees - Their Use, Management, Cultivation and Biology - A Comprehensive Guide (Hardcover): Bob Watson Trees - Their Use, Management, Cultivation and Biology - A Comprehensive Guide (Hardcover)
Bob Watson
R1,100 R1,022 Discovery Miles 10 220 Save R78 (7%) Ships in 12 - 17 working days

This book is an essential reference tool for all those who have a passion for trees as well as those who work in tree-related professions whether they be garden managers, forest and country park wardens, foresters, woodland managers or those working in the fields of arboriculture and horticulture. Moreover, this volume is also intended to be a textbook of trees aimed at arboriculture, horticulture and forestry students studying at National Diploma and Higher National Diploma levels and for candidates of the Royal Horticultural Society's Diploma in Horticulture and the Society's Master of Horticulture [RHS] Award. Other books in this field have tended to concentrate either on the science of trees, or have specialized on their management, culture or aesthetics. This volume, however, is a comprehensive study that illustrates the relationship between all these subjects.

Practical Genetics for Aquaculture (Hardcover): C. G. Lutz Practical Genetics for Aquaculture (Hardcover)
C. G. Lutz
R3,660 Discovery Miles 36 600 Ships in 12 - 17 working days

Over recent years there have been major advances in the application of molecular, biotechnological and genetic techniques to a wide range of aquatic species. Until now, many working in a hands-on capacity in the area of aquaculture have not known what the benefits of this work could be to them. This important new book redresses this situation, providing clear details of the available scientific information and the direct application of techniques under simple and practical situations.

Lobsters - Biology, Management, Aquaculture and Fisheries 2e (Hardcover, 2nd Edition): B Phillips Lobsters - Biology, Management, Aquaculture and Fisheries 2e (Hardcover, 2nd Edition)
B Phillips
R5,850 R4,639 Discovery Miles 46 390 Save R1,211 (21%) Out of stock

This expanded and fully updated Second Edition of the most comprehensive and successful book on lobsters, comprises contributions from many of the world s experts, each providing core information for all those working in lobster biology, fisheries research and management and lobster aquaculture. Under the editorship of Bruce Phillips, the Second Edition of Lobsters: Biology, Management, Fisheries and Aquaculture delivers exhaustive coverage of these fascinating creatures, stretching from growth and development to management and conservation. A number of chapters from the First Edition covering Growth, Reproduction, Diseases, Behaviour, Nutrition, Larval and Post-Larval Ecology and Juvenile and Adult Ecology have been replaced by new chapters including Lobsters in Ecosystems, Genetics, Translocation, Climate Change, Ecolabelling of Lobsters, Casitas and Other Artificial Shelters, Systems to maximise Economic Benefits. These new chapters reflect changes that are occurring in lobster management and new research developments brought on by social, climatic and economic changes. As well as information from new research output, information in each chapter is also included on individual commercial Genera, including aspects of Species and distribution, Predators and diseases, Ecology and behaviour, Aquaculture and enhancement, Harvest of wild populations and their regulations, Management and conservation. The chapter on slipper lobsters has also been expanded to include Thenus and Ibacus species which are now subject to commercial fisheries. The changes that have occurred in some lobster fisheries, the new management arrangements in place, the status of stocks and the current economic and social situation of each fishery have also been covered and discussed in great detail. Fisheries scientists, fisheries managers aquaculture personnel, aquatic and invertebrate biologists, physiologists, ecologists, marine biologists and environmental biologists will all find Lobsters Second Edition to be a vital source of reference. Libraries in all universities and research establishments where biological and life sciences and fisheries and aquaculture are studied and taught will find it an extremely valuable addition to their shelves.

Longlining (Paperback): Bjordal Longlining (Paperback)
Bjordal
R3,943 Discovery Miles 39 430 Ships in 12 - 17 working days

Longlining is becoming increasingly more important as a method of fishing commercially for certain prime species of fish- particulary in the face of declining stocks. Longlining is much more selective that any other form of fishing and is thus more environmentally acceptable. Furthermore, longlining allows for the targeting of particular prime species and fish caught by this method are less damaged and thus hold a higher value. Despite the many major benefits of longlining, there are, as yet few books which address the technical and economic aspects of this method of commercial fishing. Written by an expert, this new book describes the principles and development of longlining fishing and explains the action of chemical sensing in fish and their behaviour towards baited hooks. Details of gear construction, the operation cycle for longlines, longline vessels and the different principles of mechanised baiting and on-board gear handling are provided and typical examples are given. The target species, gear parameters and catching efficiency, and the selective properties of longline gear are fully discussed whilst a concluding chapter compares longlining with other fishing methods.

Success Factors for Fish Larval Production (Hardcover): L Conceicao Success Factors for Fish Larval Production (Hardcover)
L Conceicao
R5,750 Discovery Miles 57 500 Ships in 12 - 17 working days

A comprehensive and authoritative synthesis on the successful production of fish larvae Success Factors for Fish Larval Production is a vital resource that includes the most current understanding of larval biology, in the context of larval production. The text covers topics such as how external (environmental and nutritional) and internal (molecular/ developmental/ physiological/ behavioral/ genetic) factors interact in defining the phenotype and quality of fish larvae and juveniles. The expert contributors review broodstock genetics and husbandry, water quality, larval nutrition and feeding, growth physiology, health, metamorphosis, underlying molecular mechanisms, including epigenetics, for development, larval behavior and environmental conditions. Compiled by members of a European Union-funded consortium of top researchers, Success Factors for Fish Larval Production provides a wide-range of authoritative information for the aquaculture industry and academia. In addition to a wealth of information, the authors review research and commercially applicable larval quality indicators and predictors. The successful production of good-quality fish larvae is of vital importance for fish farming and stock enhancement of wild fisheries: * Includes contributions from a consortium of noted researchers and experts in the field * Deals with on how to improve egg quality and larval production via broodstock management and nutrition * Suggests ways to control the phenotype of juveniles and table-size fish via manipulations of the conditions of larval rearing (e.g., epigenetics) * Includes ideas for optimizing diet composition, formulation, and technology * Integrates knowledge and practical experience in order to help advancing excellence in aquaculture Success Factors for Fish Larval Production offers fish biologists, developmental biologists, physiologists and zoologists the most current and reliable information on the topic. All those working in fish aquaculture facilities and hatcheries in particular will find great interest to their commercial operations within this book.

Fish Pathology 4e (Hardcover, 4th Edition): R.J. Roberts Fish Pathology 4e (Hardcover, 4th Edition)
R.J. Roberts
R5,378 Discovery Miles 53 780 Ships in 12 - 17 working days

Fish Pathology is the definitive, classic and essential book on the subject, providing in-depth coverage across all major aspects of fish pathology. This new, fully updated and expanded fourth edition builds upon the success of the previous editions which have made Fish Pathology the best known and most respected book in the field, worldwide.Commencing with a chapter covering the aquatic environment, the book provides comprehensive details of the anatomy and physiology of teleosts, pathophysiology and sytematic physiology, immunology, neoplasia, virology, parasitology, bacteriology, mycology, nutritional pathology and other non-infectious diseases. A final chapter provides extremely useful details of the most widely-used and trusted laboratory methods in the area. Much new infomation is included in this new edition, including enhanced coverage of any diseases which have become commercially significant since publication of the previous edition Beautifully illustrated in full colour throughout with many exceptional photographs, Fish Pathology, Fourth Edition, is an essential purchase for fish pathologists, fish veterinarians, biologists, microbiologists and immunologists, including all those working in diagnostic services worldwide. Personnel working in fish farming and fisheries will also find much of great use and interest within the book's covers. All libraries in universities and research establishments where biological and veterinary sciences are studied and taught should have copies of this landmark publication on their shelves.

Control of Fish Quality 4e (Hardcover, 4th Edition): J.J. Connell Control of Fish Quality 4e (Hardcover, 4th Edition)
J.J. Connell
R3,963 Discovery Miles 39 630 Ships in 12 - 17 working days

Fish is one of the most highly perishable commodities and the public requires continuous reassurance about its quality. Futhermore, consumer taste is moving to more highly perishable fish products, which require more careful attention in preparation and storage. The fourth edition of Control of Fish Quality, which is truly international in scope, provides sound and practical advice on all aspects of this subject, from harvesting to retailing. The new fourth edition is a comprehensive revision that takes full account of all new findings and ideas to emerge in the five years since publication of the last edition. Numerous detailed ammendments have been made and this edition includes some entirely new sections.

Science, Information, and Policy Interface for Effective Coastal and Ocean Management (Paperback): Bertrum H MacDonald,... Science, Information, and Policy Interface for Effective Coastal and Ocean Management (Paperback)
Bertrum H MacDonald, Suzuette S. Soomai, Elizabeth M. De Santo, Peter G. Wells
R1,781 Discovery Miles 17 810 Ships in 12 - 17 working days

This book provides a timely analysis of the role that information-particularly scientific information-plays in the policy-making and decision-making processes in coastal and ocean management. It includes contributions from global experts in marine environmental science, marine policy, fisheries, public policy and administration, resource management, risk management, and information management. The book is divided into four sections that provide focused analyses, including An overview of the characteristics of the science-policy interface, including a discussion of the role of scientific information in policy making and an argument that the term "science-policy interface" is inaccurate due to the existence of many possible interfaces Descriptions of fundamental concepts and principles for understanding the role of information in effective integrated coastal and ocean management National and international case studies that illustrate key factors in successful science-policy interfaces, such as awareness, communication, and use of information Critical issues and future research challenges The book also explores the different types of science-policy interfaces existing within and between different organizations, as well as the various roles that different types of non-governmental organizations play in producing and disseminating information. Science, Information, and Policy Interface for Effective Coastal and Ocean Management presents a wealth of knowledge that enhances current best practices to achieve more effective communication and use of marine environmental information. Useful to all major groups in the policy-making process, from senior policy- and decision-makers to practitioners in coastal and ocean management, it helps to increase understanding of catalysts and barriers to communicating research findings. It also serves as a starting point for further research and progress in efficient marine environment management. The Open Access version of this book, available at https://doi.org/10.1201/b21483, has been made available under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 license.

Handbook of Fish Biology and Fisheries V I (Hardcover, Volume 1): Hart Handbook of Fish Biology and Fisheries V I (Hardcover, Volume 1)
Hart
R5,270 Discovery Miles 52 700 Ships in 12 - 17 working days

Recent decades have witnessed strong declines in fish stocks around the globe, amid growing concerns about the impact of fisheries on marine and freshwater biodiversity. Fisheries biologists and managers are therefore increasingly asking about aspects of ecology, behaviour, evolution and biodiversity that were traditionally studied by people working in very separate fields. This has highlighted the need to work more closely together, in order to help ensure future success both in management and conservation.


The "Handbook of Fish Biology and Fisheries" has been written by an international team of scientists and practitioners, to provide an overview of the biology of freshwater and marine fish species together with the science that supports fisheries management and conservation.


This volume, subtitled "Fish Biology," reviews a broad variety of topics from evolutionary relationships and global biogeography to physiology, recruitment, life histories, genetics, foraging behaviour, reproductive behaviour and community ecology. The second volume, subtitled "Fisheries," uses much of this information in a wide-ranging review of fisheries biology, including methods of capture, marketing, economics, stock assessment, forecasting, ecosystem impacts and conservation.


Together, these books present the state of the art in our understanding of fish biology and fisheries and will serve as valuable references for undergraduates and graduates looking for a comprehensive source on a wide variety of topics in fisheries science. They will also be useful to researchers who need up-to-date reviews of topics that impinge on their fields, and decision makers who need to appreciate the scientific background for management and conservation of aquatic ecosystems.

To order volume I, go to the box in the top right hand corner. Alternatively to order volume II, go to: http: //www.blackwellpublishing.com/book.asp?ref=063206482X or to order the 2 volume set, go to: http: //www.blackwellpublishing.com/book.asp?ref=0632064838.
Provides a unique overview of the study of fish biology and ecology, and the assessment and management of fish populations and ecosystems.
The first volume concentrates on aspects of fish biology and ecology, both at the individual and population levels, whilst the second volume addresses the assessment and management of fish populations and ecosystems.
Written by an international team of expert scientists and practitioners.
An invaluable reference tool for both students, researchers and practitioners working in the fields of fish biology and fisheries.

Tarpons - Biology, Ecology, Fisheries (Hardcover): S Spotte Tarpons - Biology, Ecology, Fisheries (Hardcover)
S Spotte
R3,567 Discovery Miles 35 670 Ships in 12 - 17 working days

Stephen Spotte, Mote Marine Laboratory, Sarasota, Florida, USA Tarpons arose from an ancient lineage, and just two species exist today, confined to the tropics and subtropics: Megalops atlanticus in the western and eastern Atlantic and Megalops cyprinoides distributed widely across the Indo-West Pacific. The Atlantic tarpon is considered king of the saltwater sport fishes and supports a multi-billion dollar recreational fishery in the U.S. alone. The Pacific tarpon, which is much smaller, is less valued by anglers. Both have limited commercial value but offer considerable potential for future aquaculture because of their hardiness, rapid growth, and ease of adaptation to captivity. This book is the latest and most thorough text on the biology, ecology, and fisheries (sport and commercial) of tarpons. The chapters comprise clear, intricate discourses on such subjects as early development and metamorphosis, population genetics, anatomical and physiological features and adaptations, migrations, reproductive biology, and culminate with a concise overview of the world's tarpon fisheries. A comprehensive appendix includes Spotte's original translations of important papers published previously by others in Spanish and Portuguese and unavailable until now to English readers. Tarpons: Biology, Ecology, Fisheries will be of considerable interest and use to fishery and research biologists, marine conservationists, aquaculturists, and informed anglers

The Great Barrier Reef - An Environmental History (Paperback): Ben Daley The Great Barrier Reef - An Environmental History (Paperback)
Ben Daley
R1,532 Discovery Miles 15 320 Ships in 12 - 17 working days

The Great Barrier Reef is located along the coast of Queensland in north-east Australia and is the world's largest coral reef ecosystem. Designated a World Heritage Area, it has been subject to increasing pressures from tourism, fishing, pollution and climate change, and is now protected as a marine park. This book provides an original account of the environmental history of the Great Barrier Reef, based on extensive archival and oral history research. It documents and explains the main human impacts on the Great Barrier Reef since European settlement in the region, focusing particularly on the century from 1860 to 1960 which has not previously been fully documented, yet which was a period of unprecedented exploitation of the ecosystem and its resources. The book describes the main changes in coral reefs, islands and marine wildlife that resulted from those impacts. In more recent decades, human impacts on the Great Barrier Reef have spread, accelerated and intensified, with implications for current management and conservation practices. There is now better scientific understanding of the threats faced by the ecosystem. Yet these modern challenges occur against a background of historical levels of exploitation that is little-known, and that has reduced the ecosystem's resilience. The author provides a compelling narrative of how one of the world's most iconic and vulnerable ecosystems has been exploited and degraded, but also how some early conservation practices emerged.

Electricity in Fish Research and Management - Theory and Practice, 2e (Hardcover, 2nd Edition): W R C Beaumont Electricity in Fish Research and Management - Theory and Practice, 2e (Hardcover, 2nd Edition)
W R C Beaumont
R2,392 R1,933 Discovery Miles 19 330 Save R459 (19%) Out of stock

Electricity in Fish Research and Management, 2nd Edition provides a comprehensive discussion of the uses of both electricity and electrical principles in fishery management and research. It covers electric fishing (including theory, equipment, data analysis and practical factors affecting efficiency), fish barriers, fish counters and fish welfare issues. The book concentrates on Electric Fishing (or Electrofishing); an internationally accepted and widely used procedure for sampling fish. Over the past 50 years electric fishing has become a standard method for fishery studies and management e.g. establishing population densities and abundance. However, due to the potential hazards of the method (both to operators and fish) there is a continuing need to develop and promote best practice guidelines. The author has studied fish ecology for 40 years and understands the need for information that reaches out to all levels of understanding in the field. Previous books on this subject have either been collections of scientific papers and/or technical reports or very simple instruction manuals. In this book theory and practice is explained using non-technical language and simple equations. It brings depth as well as breadth in both information and principles behind the methods and should be an invaluable tool to both fisheries managers and researchers. Although the book is aimed at undergraduates, the clear explanation of the factors means that the book is suitable for all levels of practitioners.

Feed and Feeding Practices in Aquaculture (Paperback, 2nd edition): D. Allen Davis Feed and Feeding Practices in Aquaculture (Paperback, 2nd edition)
D. Allen Davis
R5,222 Discovery Miles 52 220 Ships in 12 - 17 working days

Feed and Feeding Practices in Aquaculture, Second Edition continues to play an important role in the successful production of fish and other seafood for human consumption. This is an excellent resource for understanding the key properties of feeds for aquaculture, advances in feed formulation and manufacturing techniques, and the practicalities of feeding systems and strategies. Many new updates have been integrated to reflect recent advances within the market, including special emphasis on up-and-coming trends and new technologies on monitoring fish feeding patterns, making this book useful for anyone working in R&D in the production of feed, as well as nutritionists, farm owners and technicians, and academics/postgraduate students with a research interest in the area.

Biology and Evolution of the Mollusca, Volume 2 (Hardcover): David R Lindberg, Winston Frank Ponder, Juliet Mary Ponder Biology and Evolution of the Mollusca, Volume 2 (Hardcover)
David R Lindberg, Winston Frank Ponder, Juliet Mary Ponder
R6,634 Discovery Miles 66 340 Ships in 12 - 17 working days

This volume provides individual treatments of the major molluscan taxa. Each chapter provides an overview of the evolution, phylogeny and classification of a group of molluscs, as well as more specific and detailed coverage of their biology (reproduction, feeding and digestion, excretion, respiration etc.), their long fossil record and aspects of their natural history. The book is illustrated with hundreds of colour figures. In both volumes, concepts are summarised in colour-coded illustrations. Key selling features: Comprehensively reviews molluscan biology and evolutionary history Includes a description the anatomy and physiology of anatomical systems Up to date treatment with a comprehensive bibliography Reviews the phylogenetic history of the major molluscan lineages

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Britain's Freshwater Fishes
Mark Everard Paperback R931 Discovery Miles 9 310
Transdisciplinary Marine Research…
Silvia Gomez, Vera Koepsel Paperback R1,162 Discovery Miles 11 620
Fishing Europe's Troubled Waters - Fifty…
David Symes Paperback R968 Discovery Miles 9 680
The Sea Urchin - Proceedings of the…
Paul De Bijl Hardcover R5,661 Discovery Miles 56 610
Illustrated Multilingual Guide to the…
Frimodt Hardcover R3,112 R2,498 Discovery Miles 24 980
A Global Atlas of Atolls
Walter M. Goldberg, Eugene C. Rankey Hardcover R6,298 Discovery Miles 62 980
Echinoderms in a Changing World…
Craig Johnson Hardcover R4,167 R1,617 Discovery Miles 16 170
Eastport
Jackson Lura Paperback R634 R523 Discovery Miles 5 230
How to Catch a Lobster in Down East…
Christina LeMieux Oragano Paperback R549 R458 Discovery Miles 4 580

 

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