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Principles for Management of Fisheries and Wildlife: The Manager as Decision-maker is a unique introductory text that explains critical theories and principles of management and how to apply these successfully to real-world fisheries and wildlife situations and issues. Readers learn about management paradigms, decision-making frameworks and skills, planning for success, and ethics - all taught in the context of fisheries and wildlife issues such as habitat management, human-wildlife conflict, managing over-abundant and at-risk species, and harvest regulations. Each chapter includes guiding outcomes, terms and definitions and critical thinking questions. Opening problems and closing case studies provide opportunities for application of both ecological and management knowledge and skills. Readers also benefit from learning about international models of wildlife management. Rooted in the belief that biological and ecological knowledge can only be enhanced by sound management, planning, and decision-making skills, the book prepares biologists to be successful managers and leaders. Principles for Management of Fisheries and Wildlife is an outstanding textbook for introductory courses in the discipline.
This second edition emphasizes the environmental impact on reproduction, with updated chapters throughout as well as complete new chapters on species such as sharks and rays. This is a wide-ranging book that will be of relevance to anyone involved in species conservation, and provides critical perspectives on the real utility of current and emerging reproductive sciences.Understanding reproductive biology is centrally important to the way many of the world's conservation problems should be tackled. Currently the extinction problem is huge, with up to 30% of the world's fauna being expected to disappear in the next 50 years. Nevertheless, it has been estimated that the global population of animals in zoos encompasses 12,000 - 15,000 species, and we anticipate that every effort will be made to preserve these species for as long as possible, minimizing inbreeding effects and providing the best welfare standards available. Even if the reproductive biology community cannot solve the global biodiversity crisis for all wild species, we should do our best to maintain important captive populations. Reproductive biology in this context is much more than the development of techniques for helping with too little or too much breeding. While some of the relevant techniques are useful for individual species that society might target for a variety of reasons, whether nationalistic, cultural or practical, technical developments have to be backed up by thorough biological understanding of the background behind the problems.
This open access book is an original contribution to the knowledge on fishing and research associated with one of the most enigmatic fish of our seas: bluefin tuna, Thunnus thynnus (L.). Based on available evidence, it reconstructs the possible methods used to catch large spawners in the Strait of Gibraltar thousands of years ago and describes the much more recent overfishing that led to a great reduction in the catches of the trap fishery on the area and the disappearance of the northern European fisheries. It is the first book to relate the overfishing of juvenile fishes in certain areas to the decline of large spawners in other very distant areas, revealing one of the main underlying causes of this decline, which has remained a mystery to the fishing sector and scientists alike for over 50 years. This finding should serve to prevent similar cases from arising in the future.
Bats are highly charismatic and popular animals that are not only
fascinating in their own right, but illustrate most of the topical
and important concepts and issues in mammalian biology. This book
covers the key aspects of bat biology, including evolution, flight,
echolocation, hibernation, reproduction, feeding and roosting
ecology, social behaviour, migration, population and community
ecology, biogeography, and conservation.
Elephants rarely breed in captivity and are not considered domesticated, yet they interact with people regularly and adapt to various environments. Too social and sagacious to be objects, too strange to be human, too captive to truly be wild, but too wild to be domesticated-where do elephants fall in our understanding of nature? In Wildlife in the Anthropocene, Jamie Lorimer argues that the idea of nature as a pure and timeless place characterized by the absence of humans has come to an end. But life goes on. Wildlife inhabits everywhere and is on the move; Lorimer proposes the concept of wildlife as a replacement for nature. Offering a thorough appraisal of the Anthropocene-an era in which human actions affect and influence all life and all systems on our planet- Lorimer unpacks its implications for changing definitions of nature and the politics of wildlife conservation. Wildlife in the Anthropocene examines rewilding, the impacts of wildlife films, human relationships with charismatic species, and urban wildlife. Analyzing scientific papers, policy documents, and popular media, as well as a decade of fieldwork, Lorimer explores the new interconnections between science, politics, and neoliberal capitalism that the Anthropocene demands of wildlife conservation. Imagining conservation in a world where humans are geological actors entangled within and responsible for powerful, unstable, and unpredictable planetary forces, this work nurtures a future environmentalism that is more hopeful and democratic.
This book offers a comprehensive review of current systems for fish protection and downstream migration. It offers the first systematic description of the currently available technologies for fish protection at hydropower intakes, including accurate and timely data collected by the authors and other researchers. It describes how to design and test them in agreement with the guidelines established from the EU Water Framework Directive. The book includes important information about fish biology, with a special focus on swimming and migration mechanisms. It offers a robust bridge between concepts in applied ecology and civil hydraulic engineering, thus providing biologists and hydraulic engineers with an authoritative reference guide to both the theory and practice of fish protection. It is also of interest for planners, public authorities as well as environmental consultants
Fish are one of the most important global food sources, supplying a significant share of the world's protein consumption. From stocks of wild Alaskan salmon and North Sea cod to entire fish communities with myriad species, fisheries require careful management to ensure that stocks remain productive, and mathematical models are essential tools for doing so. Fish Ecology, Evolution, and Exploitation is an authoritative introduction to the modern size- and trait-based approach to fish populations and communities. Ken Andersen covers the theoretical foundations, mathematical formulations, and real-world applications of this powerful new modeling method, which is grounded in the latest ecological theory and population biology. He begins with fundamental assumptions on the level of individuals and goes on to cover population demography and fisheries impact assessments. He shows how size- and trait-based models shed new light on familiar fisheries concepts such as maximum sustainable yield and fisheries selectivity-insights that classic age-based theory can't provide-and develops novel evolutionary impacts of fishing. Andersen extends the theory to entire fish communities and uses it to support the ecosystem approach to fisheries management, and forges critical links between trait-based methods and evolutionary ecology. Accessible to ecologists with a basic quantitative background, this incisive book unifies the thinking in ecology and fisheries science and is an indispensable reference for anyone seeking to apply size- and trait-based models to fish demography, fisheries impact assessments, and fish evolutionary ecology.
Wildlife Forensics: Methods and Applications provides an accessible and practical approach to the key areas involved in this developing subject. The book contains case studies throughout the text that take the reader from the field, to the lab analysis to the court room, giving a complete insight into the path of forensic evidence and demonstrating how current techniques can be applied to wildlife forensics.
The book contains approaches that wildlife forensic investigators and laboratory technicians can employ in investigations and provides the direction and practical advice required by legal and police professionals seeking to gain the evidence needed to prosecute wildlife crimes.
The book will bring together in one text various aspects of wildlife forensics, including statistics, toxicology, pathology, entomology, morphological identification, and DNA analysis.
This book will be an invaluable reference and will provide investigators, laboratory technicians and students in forensic Science/conservation biology classes with practical guidance and best methods for criminal investigations applied to wildlife crime.Includes practical techniques that wildlife forensic investigators and laboratory technicians can employ in investigations. Includes case studies to illustrate various key methods and applications. Brings together diverse areas of forensic science and demonstrates their application specifically to the field of wildlife crime. Contains methodology boxes to lead readers through the processes of individual techniques. Takes an applied approach to the subject to appeal to both students of the subject and practitioners in the field. Includes a broad introduction to what is meant by 'wildlife crime', how to approach a crime scene and collect evidence and includes chapters dedicated to the key techniques utilized in wildlife investigations. Includes chapters on wildlife forensic pathology; zooanthropological techniques; biological trace evidence analysis; the importance of bitemark evidence; plant and wildlife forensics; best practices and law enforcement.
This book sheds light on the major functions of microbial communities in aquaculture ecosystems, showing that by recycling nutrients, degrading organic matter and preventing disease outbreaks, a variety of microbes are truly beneficial to a wide range of aquaculture industries. It discusses how deteriorating environmental quality enables some microbial strains to trigger disease, describes the development of highly sustainable tools to improve water quality, and identifies crucial factors that endanger microbial homeostasis in aquaculture ecosystems. The book also covers post-antibiotic approaches for preventing and treating opportunistic microbial infections based on harnessing environmental and fish-associated microbial communities. Furthermore, it explores how manipulating and engineering these complex microbial communities using bio-agents such as probiotics, phages, natural nutritional additives, or with fine-tuned biofilters will open the door for new ways to develop a more sustainable and cost-effective aquaculture industry. Including an accessible presentation of modern high-throughput sequencing technology to identify host-microbial interactions in aquaculture ecosystems, this book is a valuable resource for scientists, aquaculture and fishery experts, sustainability enthusiasts and scholars in the areas of biology and marine agriculture.
'To the lover of pure wildness Alaska is one of the most wonderful countries in the world.' First published in 1915, Travels in Alaska is the last book that Muir wrote, detailing the adventures and experiences that were arguably most dear to him. Alaska's picturesque forests, grand mountains, and unique glacier range impacted Muir from the moment he first visited: 'Never before this had I been embosomed in scenery so hopelessly beyond description... we must surely have reached the very paradise of the poets, the abode of the blessed.' As Muir expert Terry Gifford observes in the foreword, 'From the first trip, Muir set out to learn as much about the people as the glaciers'; and this willingness to surround himself in all aspects of the atmosphere is evident throughout, with beautifully detailed descriptions of everything from the tribes that he meets, to the canyons, rivers and animals he encounters. Muir's unwavering adventurous spirit shines through in Travels in Alaska; no challenge is too great and even when faced with the unimaginable - being caught near death between two icebergs while canoeing, or saving an inexperienced mountaineer from slipping and falling - he does not lose his faithful 'get up and go' attitude. Travels in Alaska details three of Muir's trips to Alaska: 1879, 1880 and 1890. Each one a refreshing account of the joys of exploring and the rewards of the outdoors: 'Never before had rocks and ice and trees seemed so beautiful and wonderful, even the cold, biting rainstorm that was blowing seemed full of loving kindness, wonderful compensation for all that we had endured, and we sailed down the bay through the grey, driving rain rejoicing.' Embedded with stunning metaphors, a dedicated love of Mother Nature and a desire to protect and preserve wildness, this book is an insight not only into Alaska, but Muir himself. The enthusiasm contained within these pages is infectious, and as well as making a powerful read, Muir will inspire you, too, to go out and experience the paradise that is natural wildness.
The vast scope of conservation problems has forced biologists and
managers to rely on "surrogate" species to serve as shortcuts to
guide their decision making. These species-known by a host of
different terms, including indicator, umbrella, and flagship
species-act as proxies to represent larger conservation issues,
such as the location of biodiversity hotspots or general ecosystem
Today, the East African state of Tanzania is renowned for wildlife preserves such as the Serengeti National Park, the Ngorongoro Conservation Area, and the Selous Game Reserve. Yet few know that most of these initiatives emerged from decades of German colonial rule. This book gives the first full account of Tanzanian wildlife conservation up until World War I, focusing upon elephant hunting and the ivory trade as vital factors in a shift from exploitation to preservation that increasingly excluded indigenous Africans. Analyzing the formative interactions between colonial governance and the natural world, The Nature of German Imperialism situates East African wildlife policies within the global emergence of conservationist sensibilities around 1900.
Fred Van Dyke's new textbook, Conservation Biology: Foundations, Concepts, Applications, 2nd Edition represents a major new text for anyone interested in conservation. Drawing on his experience as a conservation biologist, college teacher, and successful textbook author, Van Dyke's organizational clarity and readable style make this book an invaluable resource for students in conservation around the globe.Presenting key information and well-selected examples, this student-friendly volume carefully integrates the science of conservation biology with its implications for ethics, law, policy and economics.
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