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Books > Earth & environment > The environment > Conservation of the environment > Conservation of wildlife & habitats > General

The Ecology of Browsing and Grazing II (Hardcover, 1st ed. 2019): Iain J. Gordon, Herbert H.T. Prins The Ecology of Browsing and Grazing II (Hardcover, 1st ed. 2019)
Iain J. Gordon, Herbert H.T. Prins
R2,401 Discovery Miles 24 010 Ships in 10 - 15 working days

Domestic and wild large mammalian herbivores occur on every continent except Antarctica. Through their browsing and grazing, they affect the structure and distribution not only of vegetation, but also of associated fauna. Consequently, the interactions between management practices and herbivore populations influence the biodiversity, structure and dynamics of ecosystems across vast expanses around the globe: signs of human activity that will be detectable for epochs to come. As a follow-up work to The Ecology of Browsing and Grazing, published in 2008, this new volume presents cutting-edge research on the behaviour, distribution, movement, and direct and indirect impacts of domestic and wild herbivores on terrestrial ecosystems. The respective chapters highlight strategic and applied research on cross-cutting issues in palaeontology and ecology, and provide concrete recommendations on the management of large herbivores to integrate production and conservation in terrestrial systems. Given its scope, the book will appeal to students, researchers and anyone interested in understanding these fascinating wild animals and how they shape the natural world.

Approaches to Water Sensitive Urban Design - Potential, Design, Ecological Health, Urban Greening, Economics, Policies, and... Approaches to Water Sensitive Urban Design - Potential, Design, Ecological Health, Urban Greening, Economics, Policies, and Community Perceptions (Paperback)
Ashok Sharma, Ted Gardner, Don Begbie
R2,289 Discovery Miles 22 890 Ships in 10 - 15 working days

Approaches to Water Sensitive Urban Design: Potential, Design, Ecological Health, Economics, Policies and Community Perceptions covers all aspects on the implementation of sustainable storm water systems for urban and suburban areas whether they are labeled as WSUD, Low Impact Development (LID), Green Infrastructure (GI), Sustainable Urban Drainage Systems (SUDS) or the Sponge City Concept. These systems and approaches are becoming an integral part of developing water sensitive cities as they are considered very capable solutions in addressing issues relating to urbanization, climate change and heat island impacts in dealing with storm water issues. The book is based on research conducted in Australia and around the world, bringing in perspectives in an ecosystems approach, a water quality approach, and a sewer based approach to stormwater, all of which are uniquely covered in this single resource.

Old-Growth Forests - Function, Fate and Value (Hardcover, 2009 ed.): Christian Wirth, Gerd Gleixner, Martin Heimann Old-Growth Forests - Function, Fate and Value (Hardcover, 2009 ed.)
Christian Wirth, Gerd Gleixner, Martin Heimann
R7,923 Discovery Miles 79 230 Ships in 18 - 22 working days

Many terms often used to describe old-growth forests imply that these forests are less vigorous, less productive and less stable than younger forests. But research in the last two decades has yielded results that challenge the view of old-growth forests being in decline. Given the importance of forests in battling climate change and the fact that old-growth forests are shrinking at a rate of 0.5% per year, these new results have come not a moment too soon.

This book is the first ever to focus on the ecosystem functioning of old-growth forests. It is an exhaustive compendium of information that contains original work conducted by the authors. In addition, it is truly global in scope as it studies boreal forests in Canada, temperate old-growth forests in Europe and the Americas, and global tropical forests. Written in part to affect future policy, this eminently readable book is as useful for the scientist and student as it is for the politician and politically-interested layman.

Bat Roosts in Rock - A Guide to Identification and Assessment for Climbers, Cavers & Ecology Professionals (Paperback): Bat... Bat Roosts in Rock - A Guide to Identification and Assessment for Climbers, Cavers & Ecology Professionals (Paperback)
Bat Rock Habitat Key
R1,467 R1,315 Discovery Miles 13 150 Save R152 (10%) Ships in 10 - 15 working days

This guide provides descriptions of when the bat species resident in Britain and Ireland use natural and human-made rock habitats, how they use them, and the environments each species occupies therein. For the first time it brings together findings from historical scientific investigations, useful photographic accounts and open-access biological records, along with a rich seam of new data – all in a practical and user-friendly structure. The book encompasses: ~ Descriptions of the features that a climber, caver or professional ecologist might encounter on and in rock habitats where bats roost. ~ Recording criteria for both the physical and environmental attributes of different features and situations. ~ Identification of suitability thresholds against which the recorded information can be compared to assess the likelihood that a specific feature might be exploited by a particular bat species. ~ Suggestions for how to avoid mistakes and difficulties when performing a survey. The intention is that using this book will help generate standardised biological records which can feed into the fully accessible online database at www.batrockhabitatkey.co.uk. These data will be analysed to search for patterns that can increase the confidence in the suitability thresholds and help build roost features that deliver the environment each species really needs. As well as offering many new insights, this book allows the reader to participate in cutting-edge research.

Pollinators and Pollination - Nature and Society (Paperback): Jeff Ollerton Pollinators and Pollination - Nature and Society (Paperback)
Jeff Ollerton
R947 R849 Discovery Miles 8 490 Save R98 (10%) Ships in 10 - 15 working days

A unique and personal insight into the ecology and evolution of pollinators, their relationships with flowers, and their conservation in a rapidly changing world. The pollination of flowers by insects, birds and other animals is a fundamentally important ecological function that supports both the natural world and human society. Without pollinators to facilitate the sexual reproduction of plants, the world would be a biologically poorer place in which to live, there would be an impact on food security, and human health would suffer. Written by one of the world's leading pollination ecologists, this book provides an introduction to what pollinators are, how their interactions with flowers have evolved, and the fundamental ecology of these relationships. It explores the pollination of wild and agricultural plants in a variety of habitats and contexts, including urban, rural and agricultural environments. The author also provides practical advice on how individuals and organisations can study, and support, pollinators. As well as covering the natural history of pollinators and flowers, the author discusses their cultural importance, and the ways in which pollinator conservation has been portrayed from a political perspective. The book draws on field work experiences in South America, Africa, Australia, the Canary Islands and the UK. For over 30 years the author has spent his career researching how plants and pollinators evolve relationships, how these interactions function ecologically, their importance for society, and how we can conserve them in a rapidly changing world. This book offers a unique and personal insight into the science of pollinators and pollination, aimed at anyone who is interested in understanding these fascinating and crucial ecological interactions.

The Anthropology of Conservation NGOs - Rethinking the Boundaries (Hardcover, 1st ed. 2018): Peter Bille Larsen, Dan Brockington The Anthropology of Conservation NGOs - Rethinking the Boundaries (Hardcover, 1st ed. 2018)
Peter Bille Larsen, Dan Brockington
R3,993 Discovery Miles 39 930 Ships in 10 - 15 working days

This book explores how NGOs have been influential in shaping global biodiversity, conservation policy, and practice. It encapsulates a growing body of literature that has questioned the mandates, roles, and effectiveness of these organizations-and the critique of these critics. This volume seeks to nurture an open conversation about contemporary NGO practices through analysis and engagement.

Jackals, Golden Wolves, and Honey Badgers - Cunning, Courage, and Conflict with Humans (Hardcover): Keith Somerville Jackals, Golden Wolves, and Honey Badgers - Cunning, Courage, and Conflict with Humans (Hardcover)
Keith Somerville
R3,799 Discovery Miles 37 990 Ships in 10 - 15 working days

This book explores the fascinating and complex lives of the honey badger, the African jackals (black-backed and side-striped), African golden wolves, and Eurasian golden jackals. In recent years, interest in these creatures has grown exponentially, through wildlife documentaries and media clips showing the aggressive, fearless, and tenacious behaviour of the honey badger, with jackals often presented in a supporting role. Written by renowned journalist and educator Keith Somerville, this accessible volume includes historical narratives, folklore, and contemporary accounts of human-wildlife relationships and conflicts. It traces the evolution of the species; their foraging and diet; the development of their relationships with humans; and their commensal, kleptocratic, and symbiotic relationships with other carnivores, raptors and birds. It also charts the recent expansion in European jackal numbers and ranges, now including as far west as the Netherlands and as far north as Finland. Blending historical observations by non-scientists, colonial officials, administrators, and early conservationists with contemporary scientific accounts, it presents a new multidisciplinary approach that will interest researchers, scientists, and students in wildlife conservation, human-wildlife relations, zoology, biology, and environmental science.

The Tawny Owl (Hardcover): Jeff Martin The Tawny Owl (Hardcover)
Jeff Martin
R1,956 Discovery Miles 19 560 Ships in 10 - 15 working days
An Introduction to Disturbance Ecology - A Road Map for Wildlife Management and Conservation (Hardcover, 1st ed. 2016): Corrado... An Introduction to Disturbance Ecology - A Road Map for Wildlife Management and Conservation (Hardcover, 1st ed. 2016)
Corrado Battisti, Gianluca Poeta, Giuliano Fanelli
R4,086 R3,285 Discovery Miles 32 850 Save R801 (20%) Ships in 10 - 15 working days

This book represents an introductory review of disturbance ecology and threat analysis, providing schematic concepts and approaches useful for work on sites that are affected by the impact of human actions. It is aimed at conservation and environmental practitioners, who will find tips for choosing methods and approaches when there are conflicts between the natural components and human activity. It is also addressed to students of applied ecology, ecosystem management, land-use planning and environmental impact assessment. It discusses a number of topics covered in the programs of many university courses related to basic ecology and ecology of disturbance, the latter constituting a field of great interest because of its implications and repercussions in applied territorial science. The book is divided into two parts: the first focuses on the theoretical and disciplinary framework of the ecology of disturbance, while the second is devoted to the analysis of anthropogenic threats. This, in particular, discusses the most recent approach, which uses a conventional nomenclature to allow a coarse-grained quantification and objective assessment of threat impact on different environmental components. Such an approach facilitates the comparison of hierarchically different events and, therefore, helps define the priorities for management and conservation strategies.

Tropical Conservation - Perspectives on Local and Global Priorities (Hardcover): A.Alonso Aguirre, Raman Sukumar Tropical Conservation - Perspectives on Local and Global Priorities (Hardcover)
A.Alonso Aguirre, Raman Sukumar
R4,152 Discovery Miles 41 520 Ships in 10 - 15 working days

The tropics and subtropics are home to about 75% of the global human population. Cultural, economic, and political circumstances vary enormously across this vast geography of some 170 countries and territories. The regions not only harbor the world's poorest countries but their human populations are growing disproportionally faster than in temperate zones. Some countries are developing rapidly - Brazil, China, India, and Mexico being obvious examples, while others still remain in the poverty trap. This region contains an astonishing proportion of global biodiversity; some 90% of plant and animal species by some measures. Its contribution to human well-being is astounding. It was the birthplace for our species; and it hosts a myriad of plant and animal species which products feed us, keep us healthy, and supply us with a variety of material goods. The tropics and subtropics are also a natural laboratory where some of humanity's most important scientific discoveries have been made. Such biodiversity has enormous implications for research priorities, capacity building, and policy to address the challenges of conserving this region. Tropical Conservation: Perspectives on Local and Global Priorities drew the majority of its contributors from this growing pool of scientists and practitioners working in Latin America, Africa, and Asia. It introduces important conservation concepts and illustrates their application as the authors directly capture real world experiences in their home countries in preventing biodiversity loss and sustaining ecological health. Today, no part of the world can be viewed in isolation, and we further codify and integrate a range of approaches for addressing global threats to nature and environmental sustainability, including climate change and emerging diseases. Five sections structure the major themes.

Intensive wildlife production in southern Africa (Hardcover): J. Du P. Bothma, N. van Rooyen Intensive wildlife production in southern Africa (Hardcover)
J. Du P. Bothma, N. van Rooyen
R1,243 Discovery Miles 12 430 Ships in 5 - 10 working days

There is no doubt that extensive wildlife ranching in southern Africa has developed rapidly in recent years. However, the last few years have seen the development of intensive wildlife production too. Intensive production of wild animals often happens in small enclosed areas or areas of limited size and requires more intensive management than the extensive production of wildlife. This title summarises the current knowledge on the intensive production of wild animals in southern Africa.

Made for Each Other - A Symbiosis of Birds and Pines (Hardcover): Ronald M. Lanner Made for Each Other - A Symbiosis of Birds and Pines (Hardcover)
Ronald M. Lanner
R2,877 Discovery Miles 28 770 Ships in 10 - 15 working days

A beautifully written account of the symbiotic relationship between pine trees and jays; a cycle of dependency has progressed for several million years as birds have effectively planted the trees that sustain them by dispersing the seeds. This book covers a wide range of regions, focusing on the Rocky Mountains and the American Southwest, but also ranging from the Alps to Finland, and from Siberia to China. The book is written from the perspectives of evolution, ecology, and animal behaviour.

The Chimpanzees of Rubondo Island - Apes Set Free (Hardcover): Josephine Nadezda Msindai, Volker Sommer The Chimpanzees of Rubondo Island - Apes Set Free (Hardcover)
Josephine Nadezda Msindai, Volker Sommer
R3,795 Discovery Miles 37 950 Ships in 10 - 15 working days

How did a random batch of chimpanzees come to populate a small island in Tanzania where apes had never lived before? Combining information gathered from fieldwork, laboratory and archival research, this book tells the unique story of chimpanzee babies taken from their forest homes in West-Central Africa and sold to European zoos and circuses, to then be shipped to Lake Victoria and set free on Rubondo Island. These founder animals learnt what to eat, how to build nests, to breed and raise young - ultimately forming a chimpanzee-typical fission-fusion society that today is thriving. The authors compare the ecology, behaviour and genetics of the Rubondo population with communities of wild chimpanzees, providing exciting insights into how our closest relatives adjust to changing environments. At the same time, a reconstruction of the historical context of the Rubondo experiment reflects on its chequered colonial heritage, and the introduction is viewed against current threats to the survival of apes in their natural habitats. The book will be of interest to scholars and professionals working in primatology, animal behaviour, conservation biology and postcolonial studies.

Trap Lines North (Hardcover): Stephen W Meader Trap Lines North (Hardcover)
Stephen W Meader
R799 R703 Discovery Miles 7 030 Save R96 (12%) Ships in 18 - 22 working days
The Hymenoptera of Costa Rica (Hardcover): Paul E. Hanson, Ian D. Gauld The Hymenoptera of Costa Rica (Hardcover)
Paul E. Hanson, Ian D. Gauld
R5,011 Discovery Miles 50 110 Ships in 10 - 15 working days

Members of the Hymenopteran order range from the familiar ants, bees, and wasps to a huge variety of predatory, parasitic, and plant-feeding insects. They are of immense economic significance, primarily as pollinators but also because of their increasing use as biological control agents. For many years, Costa Rica has been a prime location for research in neotropical ecology and as a result is an ideal area for extensive research on the Hymenoptera. "The Hymenoptera of Costa Rica" is the first published study of its kind. It covers the classification, biology, morphology, and economic importance of the group, with illustrated keys to families and subfamilies. Numerous photographs and an extensive bibliography of key works for the study of Central American Hymenoptera make this a good resource for researchers and biological control scientists.

Ecology and Management of Neotropical Migratory Birds - A Synthesis and Review of Critical Issues (Hardcover): Thomas E.... Ecology and Management of Neotropical Migratory Birds - A Synthesis and Review of Critical Issues (Hardcover)
Thomas E. Martin, Deborah M. Finch
R2,966 Discovery Miles 29 660 Ships in 10 - 15 working days

An ambitious, comprehensive assessment of the current status of neotropical migratory birds in the USA, and the methods and strategies for conserving migrant populations. This book covers the full scope of the subject, with chapters reviewing and assessing the topics written as consensus documents by several of the leading workers. Contents include population trends, seasonal variations, habitat requirements during migration, impacts and effects of silviculture and agricultural practices, landscape ecology, habitat grazing effects, and single-species versus multiple-species approaches.

The Wolf - A True Story of Survival and Obsession in the West (Paperback): Nate Blakeslee The Wolf - A True Story of Survival and Obsession in the West (Paperback)
Nate Blakeslee 1
R320 R292 Discovery Miles 2 920 Save R28 (9%) Ships in 9 - 17 working days

A New Statesman Book of the Year

The wolf stands at the forefront of the debate about our impact on the natural world. In one of the most celebrated successes of modern conservation, it has been reintroduced to Yellowstone National Park.

What unfolds is a riveting multi-generational saga, at the centre of which is O-Six, a charismatic alpha female beloved by park rangers and amateur spotters alike. As elk numbers decline and the wolf population rises, those committed to restoring an iconic landscape clash with those fighting for a vanishing way of life; hunters stalk the park fringes and O-Six’s rivals seek to bring an end to her dominance of the stunningly beautiful Lamar Valley.

Human - Wildlife Conflicts in Europe - Fisheries and Fish-eating Vertebrates as a Model Case (Hardcover, 2012): Reinhard A.... Human - Wildlife Conflicts in Europe - Fisheries and Fish-eating Vertebrates as a Model Case (Hardcover, 2012)
Reinhard A. Klenke, Irene Ring, Andreas Kranz, Niels Jepsen, Felix Rauschmayer, …
R5,083 Discovery Miles 50 830 Ships in 10 - 15 working days

This book is about conflicts between different stakeholder groups triggered by protected species that compete with humans for natural resources. It presents key ecological features of typical conflict species and mitigation strategies including technical mitigation and the design of participatory decision strategies involving relevant stakeholders. The book provides a European perspective, but also develops a global framework for the development of action plans.

Reindeer Husbandry and Global Environmental Change - Pastoralism in Fennoscandia (Hardcover): Tim Horstkotte, Oystein Holand,... Reindeer Husbandry and Global Environmental Change - Pastoralism in Fennoscandia (Hardcover)
Tim Horstkotte, Oystein Holand, Jouko Kumpula, Jon Moen
R4,227 Discovery Miles 42 270 Ships in 10 - 15 working days

This volume offers a holistic understanding of the environmental and societal challenges that affect reindeer husbandry in Fennoscandia today. Reindeer husbandry is a livelihood with a long traditional heritage and cultural importance. Like many other pastoral societies, reindeer herders are confronted with significant challenges. Covering Norway, Sweden and Finland - three countries with many differences and similarities - this volume examines how reindeer husbandry is affected by and responds to global environmental change and resource extraction in boreal and arctic social-ecological systems. Beginning with an historical overview of reindeer husbandry, the volume analyses the realities of the present from different perspectives and disciplines. Genetics, behavioural ecology of reindeer, other forms of land use, pastoralists' norms and knowledge, bio-economy and governance structures all set the stage for the complex internal and externally imposed dynamics within reindeer husbandry. In-depth analyses are devoted to particularly urgent challenges, such as land-use conflicts, climate change and predation, identified as having a high potential to shape the future pathways of the pastoral identity and productivity. These futures, with their risks and opportunities, are explored in the final section, offering a synthesis of the comparative approach between the three countries that runs as a recurring theme through the book. With its richness and depth, this volume contributes significantly to the understanding of the substantial impacts on pastoralist communities in northernmost Europe today, while highlighting viable pathways to maintaining reindeer husbandry for the future. This book will be of great interest to students and scholars of both the natural and social sciences who work on natural resource management, global environmental change, pastoralism, ecology, social-ecological systems, rangeland management and Indigenous studies. The Open Access version of this book, available at www.taylorfrancis.com, has been made available under a Creative Commons Attribution- Non Commercial- No Derivatives 4.0 license.

Antarctic Futures - Human Engagement with the Antarctic Environment (Hardcover, 2014 ed.): Tina Tin, Daniela Liggett, Patrick T... Antarctic Futures - Human Engagement with the Antarctic Environment (Hardcover, 2014 ed.)
Tina Tin, Daniela Liggett, Patrick T Maher, Machiel Lamers
R4,339 R3,538 Discovery Miles 35 380 Save R801 (18%) Ships in 10 - 15 working days

At the beginning of the 21st century, Antarctica is poised at the edge of a warmer and busier world. Leading Antarctic researchers examine the needs and challenges of Antarctic environmental management today and tomorrow. Through: (i) investigating the impacts of human activities on specific ecosystems and species, (ii) examining existing environmental management and monitoring practices in place in various regions and (iii) interrogating stakeholders, they address the following questions: What future will Business-As-Usual bring to the Antarctic environment? Will a Business-As-Usual future be compatible with the objectives set out under the Antarctic Treaty, especially its Protocol on Environmental Protection? What actions are necessary to bring about alternative futures for the next 50 years? This volume is an outcome of the International Polar Year (2007-2009) Oslo Science Conference (8-12, June, 2010).

The Welfare of Performing Animals - A Historical Perspective (Hardcover, 2015 ed.): David A H Wilson The Welfare of Performing Animals - A Historical Perspective (Hardcover, 2015 ed.)
David A H Wilson
R4,468 R3,397 Discovery Miles 33 970 Save R1,071 (24%) Ships in 10 - 15 working days

This timely book describes and analyses a neglected area of the history of concern for animal welfare, discussing the ends and means of the capture, transport, housing and training of performing animals, as well as the role of pressure groups, politics, the press and vested interests. It examines primary source material of considerable interdisciplinary interest, and addresses the influence of scientific and veterinary opinion and the effectiveness of proposals for supervisory legislation, noting the current international status and characteristics of present-day practice within the commercial sector. Animal performance has a long history, and at the beginning of the twentieth century this aspect of popular entertainment became the subject not just of a major public controversy but also of prolonged British parliamentary attention to animal welfare. Following an assessment of the use of trained animals in the more distant historical past, the book charts the emergence of criticism and analyses the arguments and evidence used by the opponents and proponents in Britain from the early twentieth century to the present, noting comparable events in the United States and elsewhere.

Saltmarsh Conservation, Management and Restoration (Mixed media product, 2008 ed.): J Patrick Doody Saltmarsh Conservation, Management and Restoration (Mixed media product, 2008 ed.)
J Patrick Doody
R2,667 Discovery Miles 26 670 Ships in 18 - 22 working days

Coastal habitats provide the link between the land and the sea. They are dynamic, combine to form ecosystems of great complexity and provide significant areas for wildlife. Their landscapes are treasured by visitors, painters and musicians. They also provide locations for significant economic activity and are intimately bound up with fisheries, providing food and shelter for some species of commercially exploited fish stocks. The habitats themselves provide a buffer to tides and wave action, which may be particularly important in areas where relative sea level is rising and during storm periods. Managing these assets in the face of continuing pressure from human populations on a sustainable basis is a major task.

CD-ROM included
This volume includes a CD-ROM containing electronic versions in full colour of the colour figures which are printed in black-and-white in the book.

Advances in Marine and Brackishwater Aquaculture (Hardcover, 2015 ed.): Santhanam Perumal, Thirunavukkarasu A R, Perumal... Advances in Marine and Brackishwater Aquaculture (Hardcover, 2015 ed.)
Santhanam Perumal, Thirunavukkarasu A R, Perumal Pachiappan
R4,811 Discovery Miles 48 110 Ships in 10 - 15 working days

This book compiles the latest findings in the field of marine and brackishwater aquaculture. It covers significant topics such as techniques of culture of live feeds (microalgae, rotifer, Artemia, marine copepod & polychaetes), while also highlighting vital themes like the culture and applications of free and marine sponge associated microbial probiotics, controlled breeding, seed production and culture of commercially important fin and shell fishes. Moreover, the book focuses on the breeding and culture of marine ornamental fishes, sea cucumber and sea urchin and discusses seaweeds culture, aqua feed formulation and nutrition, water quality management in hatchery and grow-out culture systems, fish disease diagnosis and health management and cryopreservation of fish gametes for sustainable aquaculture practices, all from a multidimensional perspective. The global fish production was 154 million tonnes in 2011 which more or less consisted of capture and culture fisheries (FAO, 2012). Roughly 80% of this is from inland-freshwater aquaculture and the remainder from capture fisheries in the marine and brackishwater sector. However, marine and brackishwater catches have recently begun to diminish due to overexploitation, climate change and pollution. The UNEP report affirmed that if the world remains on its current course of overfishing, by 2050, the ocean fish stock could become extinct or no longer commercially viable to exploit. In these circumstances, aquaculture is considered to be a promising sector to fulfill our future protein requirement. However, brackishwater and marine fish production now face serious challenges due to e.g. lack of quality fish seeds, feeds, poor water quality management and diseases. Fisheries and aquaculture sectors play a vital role as potential sources of nutritional security and food safety around the globe. Fish food is rich in protein, vitamins, phosphorous, calcium, zinc, selenium etc. In addition, fish contains omega-3 fatty acids, which help to prevent cardiovascular diseases. Fish food can also provide several health benefits to consumers. The omega 3 fatty acids found in fish can reduce the levels of LDL cholesterol (the "bad" cholesterol) and increase the HDL levels (the "good" cholesterol). Research conducted in Australia has proved that fish consumption can be used to cure hypertension and obesity. It is also reported that people who ate more fish were less prone to asthma and were able to breathe more easily. Omega 3 fish oil or fish consumption can help to prevent three of the most common forms of cancer: breast cancer, colon and prostate cancer. The omega 3 fatty acids present in fish or fish oil induce faster hair growth and prevent hair loss. Since most varieties of fish are rich in protein, eating fish helps to keep hair healthy. Furthermore, fish or fish oil helps in improving the condition of dry skin, giving it a healthy glow. It is useful in treating various skin problems such as eczema, psoriasis, itching, redness of skin, skin lesions and rashes. It is well known that eating fish improves vision and prevents Alzheimer's and type-2 diabetes, and can combat arthritis. Further, fish oil or fish is good for pregnant women, as the DHA present in it helps in the development of the baby's eyes and brain. It helps to avoid premature births, low birth weights and miscarriages. In addition, it is widely known that fish can be a good substitute for pulses in cereal-based diets for the poor. The global fish production was roughly 154 million tonnes in 2011 (FAO, 2012). It is estimated that by 2020 global fish requirements will be over 200 million tonnes; as such, innovative technological improvements are called for in order to improve the production and productivity in fisheries. In this context, this book provides valuable information for academics, scientists, researchers, government officials and farmers on innovative technological advances for sustainable fish production using aquaculture methods. The book identifies the main issues and trends in marine and brackishwater aquaculture from a global perspective in general and in the Indian context in particular. It includes 23 chapters written by prominent researchers from various institutes and universities across India, who address the latest aquaculture technologies with distinctive approaches to support academics, researchers and graduates in the fields of Fisheries, Aquaculture, Marine Science, Marine Biology, Marine Biotechnology, Zoology and Agricultural Sciences. Our thanks go to our contributors; we are confident that all readers will immensely benefit from their valued expertise in the field of marine and brackishwater aquaculture.

Rethinking Fisheries Governance - The Role of States and Meta-Governance (Hardcover, 1st ed. 2018): Hoang Viet Thang Rethinking Fisheries Governance - The Role of States and Meta-Governance (Hardcover, 1st ed. 2018)
Hoang Viet Thang
R3,278 Discovery Miles 32 780 Ships in 10 - 15 working days

This book explores how the state can foster collective action by fisher's communities in fisheries management. It presents a different perspective from Elinor Ostrom's classic work on the eight institutional conditions that foster collective action in natural resource management and instead emphasizes the role of the state in fisheries co-management, engaging a state-centric notion of 'meta-governance'. It argues that first, the state is required to foster collective action by fishers; and secondly, that the current fisheries co-management arrangements are state-centric. The study develops these arguments through the analysis of three case studies in Japan, Vietnam and Norway. The author also makes a theoretical contribution to governance literature by developing Ostrom's 'society-centric' framework in a way which makes it more amenable to the analysis of state capacity and government intervention in a comparative context. This book will appeal to students and scholars of global governance, fisheries management, co-management, and crisis management, as well as practitioners of fisheries management.

Ecology of Atlantic Salmon and Brown Trout - Habitat as a template for life histories (Hardcover, Edition.): Bror Jonsson, Nina... Ecology of Atlantic Salmon and Brown Trout - Habitat as a template for life histories (Hardcover, Edition.)
Bror Jonsson, Nina Jonsson
R9,857 Discovery Miles 98 570 Ships in 10 - 15 working days

Destruction of habitat is the major cause for loss of biodiversity including variation in life history and habitat ecology. Each species and population adapts to its environment, adaptations visible in morphology, ecology, behaviour, physiology and genetics. Here, the authors present the population ecology of Atlantic salmon and brown trout and how it is influenced by the environment in terms of growth, migration, spawning and recruitment. Salmonids appeared as freshwater fish some 50 million years ago. Atlantic salmon and brown trout evolved in the Atlantic basin, Atlantic salmon in North America and Europe, brown trout in Europe, Northern Africa and Western Asia. The species live in small streams as well as large rivers, lakes, estuaries, coastal seas and oceans, with brown trout better adapted to small streams and less well adapted to feeding in the ocean than Atlantic salmon. Smolt and adult sizes and longevity are constrained by habitat conditions of populations spawning in small streams. Feeding, wintering and spawning opportunities influence migratory versus resident lifestyles, while the growth rate influences egg size and number, age at maturity, reproductive success and longevity. Further, early experiences influence later performance. For instance, juvenile behaviour influences adult homing, competition for spawning habitat, partner finding and predator avoidance.
The abundance of wild Atlantic salmon populations has declined in recent years; climate change and escaped farmed salmon are major threats. The climate influences through changes in temperature and flow, while escaped farmed salmon do so through ecological competition, interbreeding and the spreading of contagious diseases. The authors pinpoint essential problems and offer suggestions as to how they can be reduced. In this context, population enhancement, habitat restoration and management are also discussed. The text closes with a presentation of what the authors view as major scientific challenges in ecological research on these species."

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