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Books > Science & Mathematics > Biology, life sciences > Hydrobiology

Advances in Marine Biology, Volume 51 (Hardcover, 51st edition): D.W. Sims, Alan J. Southward Advances in Marine Biology, Volume 51 (Hardcover, 51st edition)
D.W. Sims, Alan J. Southward
R4,629 Discovery Miles 46 290 Ships in 12 - 19 working days

Advances in Marine Biology was first published in 1963. Now edited by A.J. Southward (Marine Biological Association, UK), P.A. Tyler (Southampton Oceanography Association, UK), C.M. Young (Harbor Branch Oceanographic Institution, USA) and L.A. Fuiman (University of Texas, USA), the serial publishes in-depth and up-to-date reviews on a wide range of topics which will appeal to postgraduates and researchers in marine biology, fisheries science, ecology, zoology, oceanography. Eclectic volumes in the series are supplemented by thematic volumes on such topics as The Biology of Calanoid Copepods.
* Includes over 25 tables and 34 illustrations
* Covers such topics as reef fishes, crustacea in the arctic and antarctic, fisheries in the Northeast Atlantic, and more
* 4 reviews authored by experts in their relevant fields of study

Copepods in Aquaculture (Hardcover): C. -S Lee Copepods in Aquaculture (Hardcover)
C. -S Lee
R6,577 Discovery Miles 65 770 Ships in 12 - 19 working days

The importance of copepods in aquaculture has long been recognized, especially in the larval rearing of many marine fishes.

This timely publication provides a single source of information on copepod biology, culture methods and practical use in marine finfish hatcheries.

Originating out of a workshop held on copepods by the Oceanic Institute in Hawaii, this proceedings includes review articles and papers presented by leading international experts in copepod biology and aquaculture. It is a seminal work that integrates the most up-to-date information on selecting copepod species, effects of algal species on reproduction, ways to increase production, the nutritional value of copepods, behavioral characteristics of copepods, potential use of copepod nauplii and eggs, and their application to larval rearing of various marine finfish species.

Advances in Marine Biology, Volume 50 (Hardcover, 50th edition): Alan J. Southward, Craig M. Young, Lee A. Fuiman Advances in Marine Biology, Volume 50 (Hardcover, 50th edition)
Alan J. Southward, Craig M. Young, Lee A. Fuiman
R4,639 Discovery Miles 46 390 Ships in 12 - 19 working days

Advances in Marine Biology was first published in 1963. Now edited by A.J. Southward (Marine Biological Association, UK), P.A. Tyler (Southampton Oceanography Association, UK), C.M. Young (Harbor Branch Oceanographic Institution, USA) and L.A. Fuiman (University of Texas, USA), the serial publishes in-depth and up-to-date reviews on a wide range of topics which will appeal to postgraduates and researchers in marine biology, fisheries science, ecology, zoology, oceanography. Eclectic volumes in the series are supplemented by thematic volumes on such topics as The Biology of Calanoid Copepods.
* Includes over 55 tables of descriptive data
* Covers such topics as coral reefs, southern ocean cephalopods, seagrass and mangrove habitats, and much more
* 4 reviews authored by experts in their relevant fields of study

Effects of Pollution on Fish - Molecular Effects and Population Responses (Hardcover): Lawrence Effects of Pollution on Fish - Molecular Effects and Population Responses (Hardcover)
Lawrence
R5,082 Discovery Miles 50 820 Ships in 12 - 19 working days

The impact of pollution on fisheries and the potential health implications of eating contaminated fish are areas of considerable concern for the fishing and aquaculture communities, government bodies and the general public. Pollution, as well as over fishing, may well be contributory to recent serious declines in global fish stocks.


"Effects of Pollution on Fish" brings together the work of many international experts each of whom have examined the literature on marine and freshwater fish and, where appropriate, invertebrates, to produce comprehensive chapters covering all major aspects of the impacts of pollution on fish and fisheries. The book describes these impacts in detail, from the molecular and sub-cellular level, through organism to population and community levels, and subsequently to socio-economic implications.


The editors of this thorough and timely book have drawn together contributions encompassing molecular genetics, biochemistry, physiology, population and community biology, and fishery economics. As such, this important book will be of great use and interest to students and professionals studying and teaching in all those subject areas. Fish biologists, environmental scientists and ecotoxicologists, marine and freshwater ecologists, fisheries managers, aquaculture personnel and fish farmers, as well as fish veterinarians will all find much of great value within this book. Libraries in universities and research establishments concerned with these areas should all have copies of this book on their shelves.

Restocking and Stock Enhancement of Marine Invertebrate Fisheries, Volume 49 (Hardcover): Johann D. Bell, P. C. Rothlisberg, J.... Restocking and Stock Enhancement of Marine Invertebrate Fisheries, Volume 49 (Hardcover)
Johann D. Bell, P. C. Rothlisberg, J. L. Munro, N. R. Loneragan, W. J. Nash, …
R5,261 Discovery Miles 52 610 Ships in 12 - 19 working days

Many of the world's fisheries are in trouble - they no longer yield the catches, and potential profits, they once did. The habitats that support fisheries have been damaged by pollution and other irresponsible use of coastal land. Destructive fishing methods like trawling and blast fishing have also changed fish habitats resulting in support of fewer fish.
The authors draw on more than 1000 scientific papers covering 11 groups/species of marine invertebrates. From this large literature, they distill 20 lessons for assessing and guiding the use of restocking and stock enhancement in the management of invertebrate fisheries.
- Written by 7 expert authors
- Covers 11 groups/species of marine invertebrates
- Reviews over 1000 scientific papers
- Identifies 20 lessons that can be learned from past restocking and stock enhancement initiatives
- Proposes a new approach to assess the potential value of hatchery releases to
complement other forms of management
- Assesses progress of disciple against the blueprint for a responsible approach

Oceanography and Marine Biology - An Annual Review, Volume 43 (Hardcover): R.N. Gibson, R.J.A. Atkinson, J. D. M. Gordon Oceanography and Marine Biology - An Annual Review, Volume 43 (Hardcover)
R.N. Gibson, R.J.A. Atkinson, J. D. M. Gordon
R7,985 Discovery Miles 79 850 Ships in 12 - 19 working days

Ever-increasing interest in oceanography and marine biology and its relevance to global environmental issues creates a demand for authoritative reviews summarizing the results of recent research. Oceanography and Marine Biology: An Annual Review has answered this demand since its founding by the late Harold Barnes more than forty years ago. Its objective is an annual consideration of basic areas of marine research, dealing with subjects of special or immediate importance, adding new subjects as they arise. The volumes maintain a unified perspective on the marine sciences. Physical, chemical, and biological aspects of marine science are dealt with by experts actively engaged in these fields. This essential reference text for researchers and students in all fields of marine science finds a place in libraries of marine stations and institutes, as well as universities. It consistently ranks among the highest in impact factors for the marine biology category of the citation indices compiled by the Institute for Scientific Information. Volume 43 contains analysis on cold seep sediments, unburnt coal in the marine environment, biofiltration and biofouling on artificial structures in Europe, ecology of rafting in marine ecosystems, effects of globalisation in marine environments, and much more.

Advances in Marine Biology, Volume 47 (Hardcover): Alan J. Southward, Paul A. Tyler, Craig M. Young, Lee A. Fuiman Advances in Marine Biology, Volume 47 (Hardcover)
Alan J. Southward, Paul A. Tyler, Craig M. Young, Lee A. Fuiman
R4,640 Discovery Miles 46 400 Ships in 12 - 19 working days

This new volume of Advances in Marine Biology contains reviews on a wide range of important subjects such as: long-term oceanographic and ecological research in the western English Channel; marine biofouling on fish farms and its remediation; interactions between behaviour and physical forcing in the control of horizontal transport of decapod crustacean larvae; comparison of marine copepod outfluxes: nature, rate, fate and role in the carbon and nitrogen cycles.
Advances in Marine Biology has been providing in-depth and up-to-date reviews on all aspects of Marine Biology since 1963 -- over 40 years of outstanding coverage! The series is well-known for both its excellence of reviews as well as the strength of its thematic volumes devoted to a particular field in detail, such as 'The Biochemical Ecology of Marine Fishes' and 'Molluscan Radiation'. Radiation'.
* Series Encompasses 40 Years of Coverage
* Up-to-date Reviews on Wide-Ranging Topics

Fish Respiration and Environment (Paperback): Marisa N Fernandes Fish Respiration and Environment (Paperback)
Marisa N Fernandes
R2,001 Discovery Miles 20 010 Ships in 12 - 19 working days

Gills of healthy fishes are their lifeline to meet the challenges arising from their changing environment: oxygen gradient, alkalinity, temperature fluctuations and the added pollutants. The diverse and ever changing aquatic environment has a major impact on the organization of various organ-systems of fishes. This book contains seventeen chapters covering bony fishes which are focal to the current study. The chapters primarily cover fish respiration but also include osmoregulation, these being the two main functions of gills. Concurrently, cardiorespiratory synchronization has been well addressed. It is hoped that this book with its broad coverage and well-supported with illustrations will not only infuse interest in readers but merit a permanent place on the shelves of ichthyological literature.

Environmental Toxicology, Volume 6 (Hardcover, New): T.W. Moon, T.P. Mommsen Environmental Toxicology, Volume 6 (Hardcover, New)
T.W. Moon, T.P. Mommsen
R5,013 Discovery Miles 50 130 Ships in 12 - 19 working days

This sixth volume in this established series deals with the biochemical responses of fish to different environmental/ecological factors. Environmental Toxicology captures vital issues affecting the responses of fish to the chemical surroundings of their environment. Chapters included in this volume identify the systems found in fish to deal with xenobiotics, hormonal interactions initiated in the presence of these chemicals, the unique mechanisms used by fish to adjust to the present chemicals, and the new and evolving mixtures of chemicals in their environment. Also included, is a crucial review of the new methods being applied in fish systems to understand the effects of xenobiotics to fish fitness - a key theme in environmental health and critical to the future of fish populations.
* Entirely new topic discussion and most recent volume in the acclaimed series
* Includes chapters detailed on a cellular level
* Introduces discussion of pharmaceutical effects on fish

Marine OMICS - Principles and Applications (Paperback): Se-Kwon Kim Marine OMICS - Principles and Applications (Paperback)
Se-Kwon Kim
R2,739 Discovery Miles 27 390 Ships in 12 - 19 working days

This book provides comprehensive coverage on current trends in marine omics of various relevant topics such as genomics, lipidomics, proteomics, foodomics, transcriptomics, metabolomics, nutrigenomics, pharmacogenomics and toxicogenomics as related to and applied to marine biotechnology, molecular biology, marine biology, marine microbiology, environmental biotechnology, environmental science, aquaculture, pharmaceutical science and bioprocess engineering.

Estuarine Indicators (Hardcover): Stephen A. Bortone Estuarine Indicators (Hardcover)
Stephen A. Bortone
R5,877 Discovery Miles 58 770 Ships in 12 - 19 working days

Acknowledging the present inability to determine objectively the status and trends among estuarine ecosystems, the environmental research community has recently stepped up efforts to develop and evaluate meaningful estuarine indicators. This goal requires the effort of researchers from a broad spectrum of disciplines. In order to expedite this initiative, many of the world's leading estuarine scientists came together to present their views at the 2003 Estuarine Indicators Workshop. Derived from this conference of leading estuarine scientists, Estuarine Indicators presents the principles, concepts, practical use, and application of indicators in estuarine research and management practices. Topics include: the theory behind environmental indicators and their presumed attributes; the methods and protocols of indicator development and evaluation; a presentation of effective and ineffective indicator examples; and discussions of the future directions in research and management practices. This is an ideal reference for researchers, scientists, and students from any field dealing with estuaries and estuarine ecosystems. Its introductory-level chapters are accessible to novices and seasoned experts alike, and the applications and interpretation of research data suit the needs of environmental managers. This is a truly multidisciplinary, comprehensive compendium upon which future research will undoubtedly be built.

Other Minds - The Octopus and the Evolution of Intelligent Life (Paperback): Peter Godfrey-Smith Other Minds - The Octopus and the Evolution of Intelligent Life (Paperback)
Peter Godfrey-Smith
R304 R276 Discovery Miles 2 760 Save R28 (9%) Ships in 9 - 17 working days

Introducing the Collins Modern Classics, a series featuring some of the most significant books of recent times, books that shed light on the human experience - classics which will endure for generations to come. What if intelligent life on earth not only evolved on land, but also in the sea? Other Minds is a bold new story of how nature became aware of itself - a story that largely occurs in the ocean, where animals first appeared. Tracking the mind's fitful development over millennia, Other Minds explores the incredible evolutionary journey of the cephalopods. What kind of intelligence do they possess? And how did the octopus, a solitary creature with little social life, become so smart? Heralded as the 'scuba-diving philosopher' when Other Minds first published, Peter Godfrey-Smith explores the underwater world and the concept of sentience to trace the question of inner life back to its roots. By comparing human beings with our most remarkable animal relatives, Other Minds casts crucial new light on the octopus mind - and on our own.

Reproductive Biology of Crustaceans - Case Studies of Decapod Crustaceans (Paperback): Elena Mente Reproductive Biology of Crustaceans - Case Studies of Decapod Crustaceans (Paperback)
Elena Mente
R2,025 Discovery Miles 20 250 Ships in 12 - 19 working days

Crustaceans adapt to a wide variety of habitats and ways of life. They have a complex physiological structure particularly with regard to the processes of growth (molting), metabolic regulation, and reproduction. Crustaceans are ideal as model organisms for the study of endocrine disruption and stress physiology in aquatic invertebrates. This book is an overview of the extensive research that has taken place over the recent years on issues of crustacean reproduction.

Reproductive Biology and Early Life History of Fishes in the Ohio River Drainage - Aphredoderidae through Cottidae, Moronidae,... Reproductive Biology and Early Life History of Fishes in the Ohio River Drainage - Aphredoderidae through Cottidae, Moronidae, and Sciaenidae, Volume 5 (Paperback)
Robert Wallus, Thomas P. Simon
R1,994 Discovery Miles 19 940 Ships in 12 - 19 working days

This seven-volume series is the most extensive treatise on early life histories of the freshwater fishes of North America. It represents the state-of-the-art in fishery biology and provides a systematic approach to the study of early life histories of all the fishes in this region. Each volume contains distinguishing characteristics and a pictorial guide to the families of fishes in the OR Drainage, followed by chapters on the families. This series fills a gap in the literature, providing information on the spawning habitat requirements, reproductive behavior, and ecological relationships during the first few months of life for most species. This fifth volume examines the families aphredoderidae through sciaenidae.

Georges Bank - Past, Present, And Future Of A Marine Environment (Hardcover): Guy C McLeod Georges Bank - Past, Present, And Future Of A Marine Environment (Hardcover)
Guy C McLeod
R4,477 Discovery Miles 44 770 Ships in 12 - 19 working days

Georges Bank, off the coast of New England, has for years been known as one of the most productive of the world's fisheries. Now, recent exploratory surveys indicate it may hold still other resources-oil and natural gas-in sufficient abundance to justify their development. Suddenly, decisions must be made about whether it is possible to manage two

Kraken & The Colossal Octopus (Hardcover): Bernard Kraken & The Colossal Octopus (Hardcover)
Bernard
R9,804 R7,960 Discovery Miles 79 600 Save R1,844 (19%) Ships in 12 - 19 working days

The late Bernard Heuvelmans, founder of the science of cryptozoology and explorer, researcher and writer on the subject, presents the account of his revolutionary and pioneering account of the great beasts that inhabit our oceans.

Handbook of Scaling Methods in Aquatic Ecology - Measurement, Analysis, Simulation (Hardcover, New): Laurent Seuront, Peter G.... Handbook of Scaling Methods in Aquatic Ecology - Measurement, Analysis, Simulation (Hardcover, New)
Laurent Seuront, Peter G. Strutton
R6,339 Discovery Miles 63 390 Ships in 12 - 19 working days

The evolution of observational instruments, simulation techniques, and computing power has given aquatic scientists a new understanding of biological and physical processes that span temporal and spatial scales. This has created a need for a single volume that addresses concepts of scale in a manner that builds bridges between experimentalists and theoreticians in aquatic ecology.

Handbook of Scaling Methods in Aquatic Ecology: Measurement, Analysis, Simulation is the first comprehensive compilation of modern scaling methods used in marine and freshwater ecological research. Written by leading researchers, it presents a systematic approach to dealing with space and time in aquatic ecology. This is a compendium that analyzes themes related to the response or behavior of organisms to processes occurring over multiple spatial and temporal scales.

This book covers: novel techniques for data collection, focusing on processes over a broad range of scales (from bacteria to ocean basins); newly-developed concepts and data analysis algorithms; and innovative computer models and simulations to mimic complex biological processes.

The Handbook serves as a reference volume for investigators seeking insight into new experimental approaches and data analysis, as well as the sensor design required for optimal sampling. Many of the algorithms and models provided are directly applicable to your experimental data. This comprehensive treatment of scaling methods and applications can help foster a unified understanding of subject matter among the modeling, experimental, and field research communities.

Handbook of Water and Wastewater Microbiology (Hardcover): Duncan Mara, Nigel J. Horan Handbook of Water and Wastewater Microbiology (Hardcover)
Duncan Mara, Nigel J. Horan
R3,354 Discovery Miles 33 540 Ships in 12 - 19 working days

'Access to safe water is a fundamental human need and therefore a basic human right' "Kofi Annan, United Nations Secretary General"
Edited by two world-renowned scientists in the field, The Handbook of Water and Wastewater Microbiology provides a definitive and comprehensive coverage of water and wastewater microbiology. With contributions from experts from around the world, this book gives a global perspective on the important issues faced in the provision of safe drinking water, the problems of dealing with aquatic pollution and the processes involved in wastewater management.
Starting with an introductory chapter of basic microbiological principles, The Handbook of Water and Wastewater Microbiology develops these principles further, ensuring that this is the essential text for process engineers with little microbiological experience and specialist microbiologists alike.
Comprehensive selection of reviews dealing with drinking water and aquatic pollution
Provides an understading of basic microbiology and how it is applied to engineering process solutions
Suitable for all levels of knowledge in microbiology -from those with no background to specialists who require the depth of information

Recent Advances in Marine Biotechnology, Vol. 8 - Bioremediation (Hardcover): Milton Fingerman Recent Advances in Marine Biotechnology, Vol. 8 - Bioremediation (Hardcover)
Milton Fingerman
R4,497 Discovery Miles 44 970 Ships in 12 - 19 working days

The use of marine organisms to degrade a variety of natural and synthetic substances in the marine environment, thereby reducing the levels of hazardous compounds, is increasingly drawing attention because of the potential such bioremediation has for environmental restoration. Among the current research efforts in bioremediation are some directed towards identifying organisms that possess the ability to degrade specific pollutants. With such organisms, which have already been identified, biochemical studies are going on with the aim of elucidating the pathways of these degradative processes and the enzymes involved. The volume includes chapters that are devoted to petroleum spill bioremediation, use of spectroscopy to identify microbial metabolic pathways, detoxification of mercury by using recombinant mercury-resistant bacteria, and the use of manganese-oxidizing bacteria for bioremediation. A broad-based approach to bioremediation of marine habitats is required because of the wide variety of contaminants in our oceans.

Handbook of Algal Technologies and Phytochemicals - Volume I Food, Health and Nutraceutical Applications (Hardcover): Gokare... Handbook of Algal Technologies and Phytochemicals - Volume I Food, Health and Nutraceutical Applications (Hardcover)
Gokare Ravishankar, Ranga Rao Ambati
R6,756 Discovery Miles 67 560 Ships in 12 - 19 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 Summary Points, Figures and Tables, as well as up-to-date references. The first book in this two-volume set explores the diversity of algal constituents for health and disease applications. 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. This comprenhensive volume looks in detail at algal genomics and metabolomics as well as mass production of microalgae. As a whole, the two-volume set covers all micro and macro algal forms and 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.

The Theory of Evolution in the Light of Facts (Hardcover): Karl, Frank, The Theory of Evolution in the Light of Facts (Hardcover)
Karl, Frank,
R3,433 Discovery Miles 34 330 Ships in 12 - 19 working days

Originally published in 1913, The Theory of Evolution in the Light of Facts examines the theory of Descent; the book is a time capsule of information, providing a record of the explorations into Darwinian theory during the first half of the 20th century. The book examines the contradictions which arose between technical work of the period and the assumptions surrounding the theory of evolution. The book aims to address that which is considered 'certain' or 'probable' from postulation in order to explain and clearly define the theory of evolution. It does this through hypothesising on the development of animals and plants using the systems of Darwin and Lamarck. This book will be of interest to anthropologists and historians of natural science alike.

Advances in Marine Biology, Volume 43 (Hardcover): Alan J. Southward, Craig M. Young, Lee A. Fuiman Advances in Marine Biology, Volume 43 (Hardcover)
Alan J. Southward, Craig M. Young, Lee A. Fuiman
R4,640 Discovery Miles 46 400 Ships in 12 - 19 working days

Volume 43 is an eclectic volume with reviews on ecology and biogeography of marine parasites; fecundity: characteristics and role in life-history strategies of marine invertebrates; the ecology of Southern Ocean Pack-ice; and biological and remote sensing perspectives of pigmentation in coral reef organisms.
Advances in Marine Biology was first published in 1963. Now edited by A.J. Southward (Marine Biological Association, UK), P.A. Tyler (Southampton Oceanography Association, UK), C.M. Young (Harbor Branch Oceanographic Institution, USA) and L.A. Fuiman (University of Texas, USA), the serial publishes in-depth and up-to-date reviews on a wide range of topics which will appeal to postgraduates and researchers in marine biology, fisheries science, ecology, zoology, oceanography. Eclectic volumes in the series are supplemented by thematic volumes on such topics as "The Biology of Calanoid Copepods."
Key Features
* AMB first published 1963
* This volume presents a selection of reviews on the biology of lesser-known taxa of the phylum Mollusca, including:
* The mostly diminutive protobranch bivalves
* The slug-like shelled opisthobranchs
* The highly specialized and evolutionarily advanced tusk shells
* The beautiful, priceless, yet frustratingly hard-to-collect slit shells

Molluscan Radiation - Lesser Known Branches, Volume 42 (Hardcover): Alan J. Southward Molluscan Radiation - Lesser Known Branches, Volume 42 (Hardcover)
Alan J. Southward; Volume editing by Lee A. Fuiman, Paul A. Tyler, Craig M. Young
R4,637 Discovery Miles 46 370 Ships in 12 - 19 working days

Volume 42 is a thematic volume with reviews on the biology of four major molluscs. Advances in Marine Biology was first published in 1963. Now edited by A.J. Southward (Marine Biological Association, UK), P.A. Tyler (Southampton Oceanography Association, UK), C.M. Young (Harbor Branch Oceanographic Institution, USA) and L.A. Fuiman (University of Texas, USA), the serial publishes in-depth and up-to-date reviews on a wide range of topics which will appeal to postgraduates and researchers in marine biology, fisheries science, ecology, zoology, oceanography. Eclectic volumes in the series are supplemented by thematic volumes on such topics as "The Biology of Calanoid Copepods."
Advances in Marine Biology is now No. 1 in the highly competitive category of Marine & Freshwater Biology. The 2000 journals citation report from the Institute for Scientific Information shows that Advances in Marine Biology has an Impact Factor of 3.37, the highest in the field.
Key Features
* AMB first published 1963
* This volume presnts a selection of reviews on the biology of lesser-known taxa of the phylum Mollusca, including:
* The mostly diminutive protobranch bivalves
* The slug-like shelled opisthobranchs
* The highly specialized and evolutionarily advanced * Tusk shells
* The beautiful, priceless, yet frustratingly hard-to-collect slit shells.

We Are All Whalers - The Plight of Whales and Our Responsibility (Paperback): Michael J. Moore We Are All Whalers - The Plight of Whales and Our Responsibility (Paperback)
Michael J. Moore
R454 R427 Discovery Miles 4 270 Save R27 (6%) Ships in 10 - 15 working days

Relating his experiences caring for endangered whales, a veterinarian and marine scientist shows we can all share in the salvation of these imperiled animals. The image most of us have of whalers includes harpoons and intentional trauma. Yet eating commercially caught seafood leads to whales' entanglement and slow death in rope and nets, and the global shipping routes that bring us readily available goods often lead to death by collision. We-all of us-are whalers, marine scientist and veterinarian Michael J. Moore contends. But we do not have to be. Drawing on over forty years of fieldwork with humpback, pilot, fin, and, in particular, North Atlantic right whales-a species whose population has declined more than 20 percent since 2017-Moore takes us with him as he performs whale necropsies on animals stranded on beaches, in his independent research alongside whalers using explosive harpoons, and as he tracks injured whales to deliver sedatives. The whales' plight is a complex, confounding, and disturbing one. We learn of existing but poorly enforced conservation laws and of perennial (and often failed) efforts to balance the push for fisheries profit versus the protection of endangered species caught by accident. But despite these challenges, Moore's tale is an optimistic one. He shows us how technologies for ropeless fishing and the acoustic tracking of whale migrations make a dramatic difference. And he looks ahead with hope as our growing understanding of these extraordinary creatures fuels an ever-stronger drive for change. For more information on Moore's book and research, please visit his webpage at the Woods Hole Oceanographic Institution.

Streams - Their Ecology and Life (Paperback): Colbert E. Cushing, J. David Allan Streams - Their Ecology and Life (Paperback)
Colbert E. Cushing, J. David Allan
R2,130 Discovery Miles 21 300 Ships in 12 - 19 working days

Streams is a handbook that combines a discussion of the ecology of streams and rivers, in layperson language, with an illustrated field guide of the plants and animals found in running waters of North America. Various illustrations and maps accompany the text. The authors are extremely well known--Cushing is the lead content provider for an "America On-Line" service provided through "Trout Unlimited" entitled "Ask Dr. Cushing." He is frequently asked the sorts of questions that are answered in this field guide. J. David Allan is the author of a well known textbook in Aquatic Ecology.

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