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

Contested Sustainability - The Political Ecology of Conservation and Development in Tanzania (Paperback): Stefano Ponte,... Contested Sustainability - The Political Ecology of Conservation and Development in Tanzania (Paperback)
Stefano Ponte, Christine Noe, Dan Brockington; Contributions by Asubisye Mwamfupe, Caleb Gallemore, …
R930 Discovery Miles 9 300 Ships in 12 - 19 working days

Richly detailed and timely study on conservation, development and sustainability in Tanzania. Provides valuable insights into the successes and failures of the management and governance of wildlife, forestry and coastal resources. Responding to the urgent need to examine the outcome of interventions in governing natural resources, this book analyses different types of sustainability partnerships - with donors, governments, business, NGOs and other actors, and, crucially, assesses which result in better livelihood and environmental outcomes. The contributors, from a range of disciplines, compare 'more complex' partnerships to relatively 'simpler', more traditional top-down and centralized management systems and to location where sustainability partnerships are not in place. Within-sector comparisons allow a fine-tuned analysis that is formed of historical, location and resource-specific issues, which can be used as input for resource-specific policy and partnership design. Experiences and lessons can be drawn from comparisons across the three different sectors, which can be applied to natural resource governance more broadly.

Fish4Knowledge: Collecting and Analyzing Massive Coral Reef Fish Video Data (Hardcover, 1st ed. 2016): Robert B. Fisher,... Fish4Knowledge: Collecting and Analyzing Massive Coral Reef Fish Video Data (Hardcover, 1st ed. 2016)
Robert B. Fisher, Yun-Heh Chen-Burger, Daniel A Giordano, Lynda Hardman, Fang-Pang Lin
R3,659 Discovery Miles 36 590 Ships in 12 - 19 working days

This book gives a start-to-finish overview of the whole Fish4Knowledge project, in 18 short chapters, each describing one aspect of the project. The Fish4Knowledge project explored the possibilities of big video data, in this case from undersea video. Recording and analyzing 90 thousand hours of video from ten camera locations, the project gives a 3 year view of fish abundance in several tropical coral reefs off the coast of Taiwan. The research system built a remote recording network, over 100 Tb of storage, supercomputer processing, video target detection and tracking, fish species recognition and analysis, a large SQL database to record the results and an efficient retrieval mechanism. Novel user interface mechanisms were developed to provide easy access for marine ecologists, who wanted to explore the dataset. The book is a useful resource for system builders, as it gives an overview of the many new methods that were created to build the Fish4Knowledge system in a manner that also allows readers to see how all the components fit together.

Research and Management Practices for Conservation of the Persian Leopard in Iran (Hardcover, 1st ed. 2020): Arezoo Sanei Research and Management Practices for Conservation of the Persian Leopard in Iran (Hardcover, 1st ed. 2020)
Arezoo Sanei
R2,894 Discovery Miles 28 940 Ships in 10 - 15 working days

The population of the Persian leopard (Panthera pardus saxicolor) has drastically declined; this Asian leopard subspecies has disappeared from some parts of its former range. Containing large areas of potential habitats with leopard presence across almost all of its provinces, Iran is known to be the last stronghold for the Persian leopard in the region. This book comprehensively covers research, management and conservation practices of the Persian leopard, including: * The first phase of the Persian Leopard National Action Plan in Iran together with an innovative leopard insurance program and a contingent valuation practice with respect to the wildlife trafficking law enforcement in Iran * Research on a hypothesis about the risk of a major fragmentation and splitting the leopard distribution range in Iran into a northern and a southern parts * An innovative and empirically fitted species- and region-specific approach for assessing the cumulative effect of land use and land cover changes on the leopard persistence * Distribution modeling of leopard potential habitats on a regional basis, accompanied by ground validation techniques * An evaluation to three threshold rules to define the habitat suitability indices * Persian leopard habitats and relative corridors in the trans-boundary areas of the East Azarbaijan province of the northwest of Iran in the Caucasus Ecoregion. The innovative research and conservation approaches presented in this book will be of great interest to those studying the leopard and other large carnivore species. The innovative models presented in this book about cumulative effect of the land use and land cover changes will be beneficial to land use managers, planners and decision makers in selecting wildlife friendly solutions for development programs. The strategic and action planning model as well as the leopard compensation program as an insurance scheme are developed specifically for the local condition and leopard status in Iran.

Tropical Forest Ecosystem Services in Improving Livelihoods For Local Communities (Hardcover, 1st ed. 2023): Zaiton Samdin,... Tropical Forest Ecosystem Services in Improving Livelihoods For Local Communities (Hardcover, 1st ed. 2023)
Zaiton Samdin, Norfaryanti Kamaruddin, Sheriza Mohd Razali
R4,927 Discovery Miles 49 270 Ships in 12 - 19 working days

This edited book covers major importance of tropical forest diversity and its values to vegetation, wildlife, and the local community. It addresses the current issues and opportunities in the Southeast Asia's tropical forests. This book lays the groundwork for a better understanding of tropical forest ecosystem services. Ecosystem services has four concepts: provisioning, regulating, cultural and supporting services. In an era of rapid population growth and increasing pressure on tropical natural resources, ecosystem services have become central to the discussion of climate change mitigation. The values of tropical forest ecosystem services deserve to be the highlighted when it comes to shaping responsible behaviors towards sustainable development goals (SDGs). This book is of interest and useful to researchers and academics teaching in the field of tropical forest conservation, tropical ecosystems, tropical products technology, ecotourism, forest plantation management, bio industrial economy, agroforestry business and marketing. Professionals, foresters, industrial entrepreneurs, ecologists, and a valuable source of reference to the relevant researchers and students in the region.

The Biology of Peatlands, 2e (Hardcover, 2nd Revised edition): Hakan Rydin, John K. Jeglum The Biology of Peatlands, 2e (Hardcover, 2nd Revised edition)
Hakan Rydin, John K. Jeglum
R5,291 Discovery Miles 52 910 Ships in 12 - 19 working days

Peatlands form important landscape elements in many parts of the world and play significant roles for biodiversity and global carbon balance. This new edition has been fully revised and updated, documenting the latest advances in areas such as microbial processes and relations between biological processes and hydrology. As well as thoroughly referencing the latest research, the authors expose a rich older literature where an immense repository of natural history has accumulated. The Biology of Peatlands starts with an overview of the main peatland types (marsh, swamp, fen, and bog), before examining the entire range of biota present (microbes, invertebrates, plants, and vertebrates), together with their specific adaptations to peatland habitats. Detailed coverage is devoted to the genus Sphagnum, the most important functional plant group in northern peatlands, although tropical and southern hemisphere peatlands are also covered. Throughout the book the interactions between organisms and environmental conditions (especially wetness, availability of oxygen, and pH) are emphasized, with chapters on the physical and chemical characteristics of peat, the role of peat as an archive of past vegetation and climate, and peatland succession and development. Several other key factors and processes are then examined, including hydrology and nutrient cycling. The fascinating peatland landforms in different parts of the world are described, together with theories on how they have developed. Human interactions with peatlands are considered in terms of management, conservation, and restoration. A final chapter, new to this edition, focuses on the role of peatlands as sources or sinks for the greenhouse gases carbon dioxide and methane, and the influences of climate change on peatlands. This timely and accessible text is suitable for students and researchers of peatland ecology, as well as providing an authoritative overview for professional ecologists and conservation biologists.

Rivers - A natural and not-so-natural history (Hardcover): Paul Raven, Nigel Holmes Rivers - A natural and not-so-natural history (Hardcover)
Paul Raven, Nigel Holmes
R1,061 Discovery Miles 10 610 Ships in 12 - 19 working days

Winner of the Marsh Book of the Year Award (2015) Throughout British history rivers have been of profound economic, social and cultural importance - yet as we see with increasing frequency they have the potential to wreak great destruction. This book describes the natural and not-so-natural changes that have affected British rivers since the last ice age and looks at the many plants and animals that live along, above and within them. Detailed case studies of the Meon, Dee and Endrick illustrate the incredibly varied nature of our river ecosystems, and the natural and human factors that make each one different. Written by two widely respected river ecologists, the book looks not only at rivers as they were and are but also at how they can be managed and cared for. Full of interesting facts and stunning images, Rivers is essential reading for anyone professionally involved in rivers and for the naturalist, conservationist and layman alike. It is the one book you need to understand this singularly important and often contentious feature of the British landscape.

Understanding Conflicts about Wildlife - A Biosocial Approach (Hardcover): Catherine M Hill, Amanda D. Webber, Nancy E C Priston Understanding Conflicts about Wildlife - A Biosocial Approach (Hardcover)
Catherine M Hill, Amanda D. Webber, Nancy E C Priston
R3,014 Discovery Miles 30 140 Ships in 12 - 19 working days

Conflicts about wildlife are usually portrayed and understood as resulting from the negative impacts of wildlife on human livelihoods or property. However, a greater depth of analysis reveals that many instances of human-wildlife conflict are often better understood as people-people conflict, wherein there is a clash of values between different human groups. Understanding Conflicts About Wildlife unites academics and practitioners from across the globe to develop a holistic view of these interactions. It considers the political and social dimensions of 'human-wildlife conflicts' alongside effective methodological approaches, and will be of value to academics, conservationists and policy makers.

The Future of Fisheries Science in North America (Hardcover, 2009 ed.): Richard J. Beamish, Brian J. Rothschild The Future of Fisheries Science in North America (Hardcover, 2009 ed.)
Richard J. Beamish, Brian J. Rothschild
R4,513 Discovery Miles 45 130 Ships in 10 - 15 working days

Fisheries science in North America is changing in response to a changing climate, new technologies, an ecosystem approach to management and new thinking about the processes affecting stock and recruitment.

Authors of the 34 chapters review the science in their particular fields and use their experience to develop informed opinions about the future. Everyone associated with fish, fisheries and fisheries management will find material that will stimulate their thinking about the future. Readers will be impressed with the potential for new discoveries, but disturbed by how much needs to be done in fisheries science if we are to sustain North American fisheries in our changing climate. Officials that manage or fund fisheries science will appreciate the urgency for the new information needed for the stewardship of fish populations and their ecosystems. Research organizations may want to keep some extra copies for a future look back into the thoughts of a wide range of fisheries professionals. Fisheries science has been full of surprises with some of the surprises having major economic impacts. It is important to minimize these impacts as the demand for seafood increases and the complexities of fisheries management increase.

Governability of Fisheries and Aquaculture: Theory and Applications (Hardcover, 2013 ed.): Maarten Bavinck, Ratana Chuenpagdee,... Governability of Fisheries and Aquaculture: Theory and Applications (Hardcover, 2013 ed.)
Maarten Bavinck, Ratana Chuenpagdee, Svein Jentoft, Jan Kooiman
R4,378 R3,784 Discovery Miles 37 840 Save R594 (14%) Ships in 12 - 19 working days

Following from Fish for Life Interactive Governance for Fisheries (Kooiman et al., 2005), which presents an interdisciplinary and intersectoral approach to the governance of capture and aquaculture fisheries, this volume pursues what interactive governance theory and the governability perspective contribute to the resolution of key fisheries problems, these include overfishing, unemployment and poverty, food insecurity, and social injustice. Since these problems are varied and can be felt among governments, resource users and communities globally, thediagnosis must be holistic, and take account of principles, institutions, and operational conditions. The authors argue that wicked problems and institutional limitations are inherent to each setting, and must be included in the analysis. The volume thereby offers a new lens and a systematic approach for analysing the nature of problems and challenges concerning the governance of fisheries, explores where these problems are situated, and how potential solutions may be found.""

" It now seems clear that the crisis in the world s fisheries is] a much larger and more complex problem than many had imagined. Yet, examining it through the lens of governability may offer the best hope for alleviating it--as well as alleviating similar crises in other social systems. "James R. McGoodwin (Professor Emeritus, University of Colorado)

The Atlas of Conflict Reduction - A Montana Field-Guide To Sharing Ranching Landscapes With Wildlife (Hardcover): Hannah Jaicks The Atlas of Conflict Reduction - A Montana Field-Guide To Sharing Ranching Landscapes With Wildlife (Hardcover)
Hannah Jaicks
R2,346 Discovery Miles 23 460 Ships in 12 - 19 working days
The Bee Bible - 50 Ways to Keep Bees Buzzing (Paperback): Sally Coulthard The Bee Bible - 50 Ways to Keep Bees Buzzing (Paperback)
Sally Coulthard
R297 R267 Discovery Miles 2 670 Save R30 (10%) Ships in 9 - 17 working days

'A beautiful gift... Full of fascinating facts' Yorkshire Post 'We all want to help the beleaguered bee and Sally Coulthard's latest book is a great place to start' Amateur Gardening 'How to help bees thrive and give your garden a real buzz' You Magazine We need bees. These tiny, hardworking insects have transformed our lives with their quiet diligence; fertilizing the wild plants we rely on, and giving us thousands of years of sugary pleasure. But bees are in danger; across the planet, their numbers are plummeting. Sally Coulthard is here to share fifty ways we can all save bees. Whether you garden for bees, campaign for bees, or just learn a bit of bee-whispering, little things can make a big difference. Just ask a bee.

Conservation and Reintroduction of Rare and Endangered Plants in China (Hardcover, 1st ed. 2020): Hai Ren Conservation and Reintroduction of Rare and Endangered Plants in China (Hardcover, 1st ed. 2020)
Hai Ren
R4,926 Discovery Miles 49 260 Ships in 12 - 19 working days

The book offers a comprehensive review of the advances in conservation and the reintroduction of rare and endangered plants in China. It systematically discusses plant diversity, in situ and ex situ protection and plant reintroduction in China, including the reintroduction species list and orchid plant reintroduction up to November 2019. A useful reference resource for students, instructors and scientific researchers in the field of wild plant protection, botany, biodiversity protection, and natural land protection and management, the book also provides valuable insights for government departments involved in plant management.

Faunal Ecology and Conservation of the Great Indian Desert (Hardcover, 2009 ed.): C. Sivaperuman, Qaiser H Baqri, G. Ramaswamy,... Faunal Ecology and Conservation of the Great Indian Desert (Hardcover, 2009 ed.)
C. Sivaperuman, Qaiser H Baqri, G. Ramaswamy, M. Naseema
R5,102 Discovery Miles 51 020 Ships in 10 - 15 working days

The Thar Desert, also known as the Great Indian Desert, is a large, arid region in the 2 northwesternpartoftheIndiansubcontinent.Withanextentof280,000km ,itisthe 17th largest desert in the world. It lies mostly in the Indian state of Rajasthan, and extends into the southern portion of Haryana and Punjab and into northern Gujarat. The Thar Desert is bounded in the northwest by the Sutlej River, in the east by the Aravalli Range, in the south by a salt marsh known as the Rann of Kutch, and in the west by the Indus River. In spite of the fact that climatic conditions are very harsh, this extremely hot region of the country exhibits a vivid and spectacular biodiversity. It is an important area biologically, at the con?uence of very different habitats, namely grassland, sand dunes and rocky expanses as well as forested domains. Due to the diversi?ed ha- tats, the vegetation and animal life in this arid region are very rich. Some wildlife species, fast disappearing from other parts of India, are found in large numbers in this desert, such as the Great Indian Bustard, Blackbuck, Indian Gazelle and Indian Wild Ass in the Rann of Kutch. The Desert National Park is an excellent example of theThar Desertecosystem, anditsdiverse fauna.The region isahaven formigratory and resident desert birds.

Once and Future Giants - What Ice Age Extinctions Tell Us About the Fate of Earth's Largest Animals (Hardcover): Sharon... Once and Future Giants - What Ice Age Extinctions Tell Us About the Fate of Earth's Largest Animals (Hardcover)
Sharon Levy
R702 R580 Discovery Miles 5 800 Save R122 (17%) Ships in 12 - 19 working days

Until about 13,000 years ago, Europe and North America were home to a menagerie of massive mammals. Mammoths, camels, and lions walked the ground that has become our cities and streets. Then, just as the first humans reached the Americas, these Ice Age giants vanished forever. In Once and Future Giants, science writer Sharon Levy digs through the evidence surrounding Pleistocene large animal ("megafauna") extinction events worldwide, showing that understanding this history-and our part in it-is crucial for protecting the elephants, polar bears, and other great creatures at risk today. These surviving relatives of the Ice Age beasts now face an intensified replay of that great die-off, as our species usurps the planet's last wild places while driving a warming trend more extreme than any in mammalian history. Inspired by a passion for the lost Pleistocene giants, some scientists advocate bringing wolves back to Scotland, and elephants to America's Great Plains as stand-ins for their extinct native brethren. By reintroducing big browsers and carnivores to colder climes, they argue, we could rescue some of the planet's most endangered animals while restoring healthy prairie ecosystems. Critics, including biologists enmeshed in the struggle to restore native species see the proposal as a dangerous distraction from more realistic and legitimate conservation efforts. Deftly navigating competing theories and emerging evidence, Once and Future Giants examines the extent of human influence on megafauna extinctions past and present, and explores innovative conservation efforts around the globe. The key to modern-day conservation, Levy suggests, may lie fossilized right under our feet.

Gone - Stories of Extinction (Paperback): Michael Blencowe Gone - Stories of Extinction (Paperback)
Michael Blencowe
R154 Discovery Miles 1 540 Ships in 12 - 19 working days

Dynamic naturalist Michael Blencowe has travelled the globe to uncover the fascinating backstories of eleven extinct animals, which he shares with charm and insight in Gone. 'Really, really well-written.' - CHRIS PACKHAM Inspired by his childhood obsession with extinct species, Blencowe takes us around the globe - from the forests of New Zealand to the ferries of Finland, from the urban sprawl of San Francisco to an inflatable crocodile on Brighton's Widewater Lagoon. Spanning five centuries, from the last sighting of New Zealand's Upland Moa to the 2012 death of the Pinta Island Giant Tortoise, Lonesome George, his memoir is peppered with the accounts of the hunters and naturalists of the past as well as revealing conversations with the custodians of these totemic animals today. Featuring striking artworks that resurrect these forgotten creatures, each chapter focuses on a different animal, revealing insights into their unique characteristics and habitats; the history of their discovery and just how and when they came to be lost to us. Blencowe inspects the only known remains of a Huia egg at Te Papa, New Zealand; views hundreds of specimens of deceased Galapagos tortoises and Xerces Blue butterflies in the California Academy of Sciences; and pays his respects to the only soft tissue remains of the Dodo in the world. Warm, wry and thought-provoking, Gone shows that while each extinction story is different, all can inform how we live in the future. Discover and learn from the stories of the: Great Auk. A majestic flightless seabird of the North Atlantic and the 'original penguin'. Spectacled Cormorant. The 'ludicrous bird' from the remote islands of the Bering Sea. Steller's Sea Cow. An incredible ten tonne dugong with skin as furrowed as oak bark. Upland Moa. The improbable birds and the one-time rulers of New Zealand. Huia. The unique bird with two beaks and twelve precious tail feathers. South Island Kokako. The 'orange-wattled crow', New Zealand's elusive Grey Ghost. Xerces Blue. The gossamer-winged butterfly of the San Francisco sand dunes. Pinta Island Tortoise. The slow-moving, long-lived giant of the Galapagos Islands. Dodo. The superstar of extinction. Schomburgk's Deer. A mysterious deer from the wide floodplains of central Thailand. Ivell's Sea Anemone. A see-through sea creature known only from southern England. A modern must-read for anyone interested in protecting our earth and its incredible wildlife, Gone is an evocative call to conserve what we have before it is lost forever.

The World's Best National Parks in 500 Walks (Hardcover): Mary Caperton Morton The World's Best National Parks in 500 Walks (Hardcover)
Mary Caperton Morton
R848 R776 Discovery Miles 7 760 Save R72 (8%) Ships in 10 - 15 working days
Lampreys: Biology, Conservation and Control - Volume 1 (Hardcover, 2015 ed.): Margaret F. Docker Lampreys: Biology, Conservation and Control - Volume 1 (Hardcover, 2015 ed.)
Margaret F. Docker
R5,636 Discovery Miles 56 360 Ships in 12 - 19 working days

The book provides the most comprehensive review of lamprey biology since Hardisty and Potter's five-volume "The Biology of Lampreys" published more than 30 years ago. Published in two volumes, it includes contributions from international lamprey experts, reviewing and providing new insights into the evolution, general biology, and management of lampreys worldwide. This first volume offers up-to-date chapters on the systematics, general biology, conservation status, and conservation needs of lampreys. It will serve as an important reference for researchers working on any aspect of lamprey biology and fishery managers whose mandate is to control or conserve lamprey populations.

Holistic Approach to Ecosystem-Based Fisheries Management - Linking Biological Hierarchies for Sustainable Fishing (Hardcover,... Holistic Approach to Ecosystem-Based Fisheries Management - Linking Biological Hierarchies for Sustainable Fishing (Hardcover, 1st ed. 2022)
Francisco Arreguin-Sanchez
R3,889 Discovery Miles 38 890 Ships in 12 - 19 working days

This book provides cutting-edge scientific idea and novel concepts on the ecosystem-based approach to fisheries management. It begins by reviewing the scientific fundamentals and problems currently faced by conventional fisheries science, based on population dynamics. In turn, it reviews the theoretical basis of ecosystem dynamics, including selected ecosystem indicators. Surplus production and balanced harvests are discussed in the ecosystem dynamics context. Several ecosystem-holistic indicators are described, but particular emphasis is placed on two: the noxicline (gain in entropy due to loss of biomass) and resilience, which are expressed as ecosystem (holistic) points of reference for defining allowable harvest rates. Both biological (population) and ecosystem (holistic) points of reference are subsequently analyzed in the context of fisheries management and conservation. An adaptability concept is also discussed as a management policy for facing climate change. In closing, the concepts presented are applied to six study cases involving a range of different ecosystems and fisheries.

The Book of the Barn Owl (Paperback): Sally Coulthard The Book of the Barn Owl (Paperback)
Sally Coulthard
R303 R275 Discovery Miles 2 750 Save R28 (9%) Ships in 9 - 17 working days

Few of us know what goes on after dark, underneath the moon. Sally Coulthard shines a light on the barn owl, one of the most mesmerising and elusive icons of the countryside. 'Fascinating insights... An endearing book for lovers of the barn owl' Daily Mail 'Enjoyable and lyrical... enhanced by Vanessa Lubach's arresting lino prints' Country Life 'Packs in everything the amateur nature enthusiast would want to know' Yorkshire Life 'This is a gorgeous little book' Permaculture Magazine With its heart-shaped face and silent, graceful flight, the barn owl regularly tops the nation's list of favourite birds. But how much do we really know about this sublime tenant of the night? Here, bestselling author Sally Coulthard shines a light on the barn owl. Full of fascinating insights, conservation advice and the latest research, this affectionate and timely guide also tells the story of a barn owl's early life - from first pip of the shell to leaving the nest - a fascinating time in this captivating creature's journey.

Biology and Conservation of Wild Carnivores - The Canids and the Felids Two-Volume Set (Multiple copy pack): David Macdonald,... Biology and Conservation of Wild Carnivores - The Canids and the Felids Two-Volume Set (Multiple copy pack)
David Macdonald, Andrew Loveridge, Claudio Sillero-Zubiri
R2,393 Discovery Miles 23 930 Ships in 12 - 19 working days

A two-volume set made up of 'Biology and Conservation of Wild Canids' and 'Biology and Conservation of Wild Felids'. These advanced textbooks bring together a unique network of the world's most respected and knowledgeable experts to provide a review of the biology and conservation of these families, and provide detailed case-studies from species investigations worldwide.

Field Guide to the Birds of East Africa - Kenya, Tanzania, Uganda, Rwanda, Burundi (Hardcover): Terry Stevenson, John Fanshawe Field Guide to the Birds of East Africa - Kenya, Tanzania, Uganda, Rwanda, Burundi (Hardcover)
Terry Stevenson, John Fanshawe; Illustrated by Brian Small, John Gale
R1,916 R1,491 Discovery Miles 14 910 Save R425 (22%) Ships in 12 - 19 working days

This spectacular new edition of the best-selling Helm field guide of all time covers all resident, migrant and vagrant species found in Kenya, Tanzania, Uganda, Rwanda and Burundi. More than 1,300 species are illustrated with full details of all the plumages and major races likely to be encountered. Concise text describes the identification, status, range, habits and voice, with fully updated range maps for each species. This authoritative book will not only be an indispensable guide to the visiting birder, but also a vital tool for those engaged in work to conserve and study the avifauna of the region - East Africa shelters a remarkable diversity of birds, many seriously endangered with small and vulnerable ranges.

Lampreys: Biology, Conservation and Control - Volume 2 (Hardcover, 1st ed. 2019): Margaret F. Docker Lampreys: Biology, Conservation and Control - Volume 2 (Hardcover, 1st ed. 2019)
Margaret F. Docker
R4,966 Discovery Miles 49 660 Ships in 12 - 19 working days

This book, published in two volumes, provides the most comprehensive review of lamprey biology since Hardisty and Potter's "The Biology of Lampreys" published more than 30 years ago. This second volume offers a synthesis of topics related to the lamprey gonad (e.g., lamprey sex ratios, sex determination and sex differentiation, sexual maturation, and sex steroids), the artifical propagation of lampreys, post-metamorphic feeding and the evolution of alternative feeding and migratory types, the history and status of sea lamprey control in the Laurentian Great Lakes and Lake Champlain, and an overview of contributions of lamprey developmental studies for understanding vertebrate evolution.

Challenges to Marine Ecosystems - Proceedings of the 41st European Marine Biology Symposium (Hardcover, 2008 ed.): John... Challenges to Marine Ecosystems - Proceedings of the 41st European Marine Biology Symposium (Hardcover, 2008 ed.)
John Davenport, Gavin M. Burnell, Tom Cross, Mark Emmerson, Rob McAllen, …
R5,634 Discovery Miles 56 340 Ships in 10 - 15 working days

This volume presents a representative sample of contributions to the 41st European Marine Biology Symposium held in September 2005 in Cork, Ireland. The theme of the symposium was 'Challenges to Marine Ecosystems' and this was divided into four sub themes; Genetics, Marine Protected Areas, Global Climate Change and Marine Ecosystems, Sustainable Fisheries and Agriculture. The world's marine ecosystems face multiple challenges, some natural, but many resulting from humankind's activities. Global climate change, driven by influences of energy usage and industrial practices, is a reality now accepted by most of the world's scientists, media and political establishments. Warming seas and rising sea levels are regarded as threats, while visionaries consider deep ocean carbon disposal as a technological opportunity. Exploitation of the seas continues apace, with repeated concerns over the impact of over-fishing, plus reservations about the environmental effects of marine aquaculture. We need to understand how resilient organisms and ecosystems are to these challenges, while responding by protecting biologically-meaningful areas of the oceans. The subthemes of the 41st European Marine Biology Symposium address all of these matters.

Birds of Passage - Hunting and Conservation in Malta (Hardcover): Mark-Anthony Falzon Birds of Passage - Hunting and Conservation in Malta (Hardcover)
Mark-Anthony Falzon
R3,011 Discovery Miles 30 110 Ships in 12 - 19 working days

Bird migration between Europe and Africa is a fraught journey, particularly in the Mediterranean, where migratory birds are shot and trapped in large numbers. In Malta, thousands of hunters share a shrinking countryside. They also rub shoulders with a strong bird-protection and conservation lobby. Drawing on years of ethnographic fieldwork, this book traces the complex interactions between hunters, birds and the landscapes they inhabit, as well as the dynamics and politics of bird conservation. Birds of Passage looks at the practice and meaning of hunting in a specific context, and raises broader questions about human-wildlife interactions and the uncertain outcomes of conservation.

Fishes of the Smokies (Paperback): Grant Fisher Fishes of the Smokies (Paperback)
Grant Fisher
R358 R332 Discovery Miles 3 320 Save R26 (7%) Ships in 10 - 15 working days
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