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

Tales from the River - An Anthology of River Literature (Paperback): Donna Mulvenna, Margi Prideaux Tales from the River - An Anthology of River Literature (Paperback)
Donna Mulvenna, Margi Prideaux
R620 Discovery Miles 6 200 Ships in 10 - 15 working days
5 Steps to a Regenerative Lifestyle (Paperback): Matt Powers 5 Steps to a Regenerative Lifestyle (Paperback)
Matt Powers
R287 Discovery Miles 2 870 Ships in 10 - 15 working days
Blood of the Tiger - A Story of Conspiracy, Greed, and the Battle to Save a Magnificent Species (Paperback): J.A. Mills Blood of the Tiger - A Story of Conspiracy, Greed, and the Battle to Save a Magnificent Species (Paperback)
J.A. Mills
R552 R451 Discovery Miles 4 510 Save R101 (18%) Ships in 9 - 15 working days
Adventures and Confessions of a Hunter - A Memoir of a Hunter's Life (Paperback): Jack T Gaudette Adventures and Confessions of a Hunter - A Memoir of a Hunter's Life (Paperback)
Jack T Gaudette
R483 Discovery Miles 4 830 Ships in 10 - 15 working days
Adult Coloring Book - : Animal Designs Stress Relieving Illustrations, with Mandala and Paisley Patterns for Relaxation,... Adult Coloring Book - : Animal Designs Stress Relieving Illustrations, with Mandala and Paisley Patterns for Relaxation, Mindfulness and Joyful Pastime (Paperback)
Stella J. Green
R223 Discovery Miles 2 230 Ships in 10 - 15 working days
Beneficial Microorganisms in Agriculture, Aquaculture and Other Areas (Paperback, Softcover reprint of the original 1st ed.... Beneficial Microorganisms in Agriculture, Aquaculture and Other Areas (Paperback, Softcover reprint of the original 1st ed. 2015)
Min-Tze Liong
R2,866 Discovery Miles 28 660 Ships in 10 - 15 working days

This book focuses on the use of microorganisms in relation to agriculture, aquaculture and related fields, ranging from biofertilizers to poultry production. The latest innovations are also included to provide insights into the unlimited potentials of microorganisms in these areas.Individual chapters explore topics such as probiotics in poultry, biopurification of wastewater, converting agrowastes into value-added applications and products, rice cultivation, surfactants and bacteriocin as biopreservatives, bioplastics, crop productivity, biofloc, and the production of natural antibiotics. This volume will be of particular interest to scientists, policymakers and industrial practitioners working in the fields of agriculture, aquaculture and public health.

Modeling Coastal Hypoxia - Numerical Simulations of Patterns, Controls and Effects of Dissolved Oxygen Dynamics (Paperback,... Modeling Coastal Hypoxia - Numerical Simulations of Patterns, Controls and Effects of Dissolved Oxygen Dynamics (Paperback, Softcover reprint of the original 1st ed. 2017)
Dubravko Justic, Kenneth A Rose, Robert D. Hetland, Katja Fennel
R5,666 Discovery Miles 56 660 Ships in 10 - 15 working days

This book provides a snapshot of representative modeling analyses of coastal hypoxia and its effects. Hypoxia refers to conditions in the water column where dissolved oxygen falls below levels that can support most metazoan marine life (i.e., 2 mg O2 l-1). The number of hypoxic zones has been increasing at an exponential rate since the 1960s; there are currently more than 600 documented hypoxic zones in the estuarine and coastal waters worldwide. Hypoxia develops as a synergistic product of many physical and biological factors that affect the balance of dissolved oxygen in seawater, including temperature, solar radiation, wind, freshwater discharge, nutrient supply, and the production and decay of organic matter. A number of modeling approaches have been increasingly used in hypoxia research, along with the more traditional observational and experimental studies. Modeling is necessary because of rapidly changing coastal circulation and stratification patterns that affect hypoxia, the large spatial extent over which hypoxia develops, and limitations on our capabilities to directly measure hypoxia over large spatial and temporal scales. This book consists of 15 chapters that are broadly organized around three main topics: (1) Modeling of the physical controls on hypoxia, (2) Modeling of biogeochemical controls and feedbacks, and, (3) Modeling of the ecological effects of hypoxia. The final chapter is a synthesis chapter that draws generalities from the earlier chapters, highlights strengths and weaknesses of the current state-of-the-art modeling, and offers recommendations on future directions.

Natural Resources: Management for a Sustainable Future (Hardcover): Brantley Kelley Natural Resources: Management for a Sustainable Future (Hardcover)
Brantley Kelley
R3,862 R3,333 Discovery Miles 33 330 Save R529 (14%) Ships in 10 - 15 working days
Kitty Ballou's Sanctuary Zoo (Hardcover): Cindy Shirley Kitty Ballou's Sanctuary Zoo (Hardcover)
Cindy Shirley; Edited by Cailey Elizabeth Ann Shirley; Illustrated by Cleoward Sy
R527 Discovery Miles 5 270 Ships in 10 - 15 working days
Fish Ecology, Evolution, and Exploitation - A New Theoretical Synthesis (Paperback): Ken H. Andersen Fish Ecology, Evolution, and Exploitation - A New Theoretical Synthesis (Paperback)
Ken H. Andersen
R1,016 R875 Discovery Miles 8 750 Save R141 (14%) Ships in 12 - 17 working days

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.

Living on the Edge - Explorations in the Northern Wilderness (Hardcover): David E. Friesen Living on the Edge - Explorations in the Northern Wilderness (Hardcover)
David E. Friesen; Edited by Mary Anne Epp; Illustrated by Janice Cornett-Ching
R1,040 R836 Discovery Miles 8 360 Save R204 (20%) Ships in 10 - 15 working days
The Connections Between Ecology and Infectious Disease (Paperback, Softcover reprint of the original 1st ed. 2018): Christon J.... The Connections Between Ecology and Infectious Disease (Paperback, Softcover reprint of the original 1st ed. 2018)
Christon J. Hurst
R5,632 Discovery Miles 56 320 Ships in 10 - 15 working days

This book summarizes current advances in our understanding of how infectious disease represents an ecological interaction between a pathogenic microorganism and the host species in which that microbe causes illness. The contributing authors explain that pathogenic microorganisms often also have broader ecological connections, which can include a natural environmental presence; possible transmission by vehicles such as air, water, and food; and interactions with other host species, including vectors for which the microbe either may or may not be pathogenic. This field of science has been dubbed disease ecology, and the chapters that examine it have been grouped into three sections. The first section introduces both the role of biological community interactions and the impact of biodiversity on infectious disease. In turn, the second section considers those diseases directly affecting humans, with a focus on waterborne and foodborne illnesses, while also examining the critical aspect of microbial biofilms. Lastly, the third section presents the ecology of infectious diseases from the perspective of their impact on mammalian livestock and wildlife as well as on humans. Given its breadth of coverage, the volume offers a valuable resource for microbial ecologists and biomedical scientists alike.

Switchback - Fifty Years in Glacier and the West (Hardcover): W.J. Yenne Switchback - Fifty Years in Glacier and the West (Hardcover)
W.J. Yenne; Foreword by George Ostrom
R825 R679 Discovery Miles 6 790 Save R146 (18%) Ships in 10 - 15 working days
Prelude for a Tick (Paperback): Leslie Kent Prelude for a Tick (Paperback)
Leslie Kent
R450 Discovery Miles 4 500 Ships in 10 - 15 working days
Wildlife Habitat Management (Hardcover): Vincent Green Wildlife Habitat Management (Hardcover)
Vincent Green
R3,661 R3,161 Discovery Miles 31 610 Save R500 (14%) Ships in 10 - 15 working days
We All Are One (Paperback): Rachel Mazur We All Are One (Paperback)
Rachel Mazur
R215 R180 Discovery Miles 1 800 Save R35 (16%) Ships in 10 - 15 working days
Principles for Management of Fisheries and Wildlife - The Manager as Decision-maker (Paperback): Larkin Powell Principles for Management of Fisheries and Wildlife - The Manager as Decision-maker (Paperback)
Larkin Powell
R4,992 Discovery Miles 49 920 Ships in 10 - 15 working days

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.

Solo for a Swan - Symphony for G Book 1 (Paperback): Leslie Kent Solo for a Swan - Symphony for G Book 1 (Paperback)
Leslie Kent
R561 Discovery Miles 5 610 Ships in 10 - 15 working days
Essentials of Wildlife Management (Hardcover): Elian Massey Essentials of Wildlife Management (Hardcover)
Elian Massey
R3,224 R2,787 Discovery Miles 27 870 Save R437 (14%) Ships in 10 - 15 working days
The Starchild Compact - A novel of interplanetary exploration (Hardcover, 3rd Trade Hardback ed.): Robert G. Williscroft The Starchild Compact - A novel of interplanetary exploration (Hardcover, 3rd Trade Hardback ed.)
Robert G. Williscroft; Illustrated by Robert G. Williscroft; Cover design or artwork by Gary McCluskey
R962 R797 Discovery Miles 7 970 Save R165 (17%) Ships in 10 - 15 working days
Walden (Paperback): Henry David Thoreau Walden (Paperback)
Henry David Thoreau
R431 Discovery Miles 4 310 Ships in 10 - 15 working days
The Mountains of California (Paperback): John Muir The Mountains of California (Paperback)
John Muir
R518 Discovery Miles 5 180 Ships in 10 - 15 working days
The Nature of German Imperialism - Conservation and the Politics of Wildlife in Colonial East Africa (Paperback): Bernhard... The Nature of German Imperialism - Conservation and the Politics of Wildlife in Colonial East Africa (Paperback)
Bernhard Gissibl
R1,090 Discovery Miles 10 900 Ships in 10 - 15 working days

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.

Three Ways to Disappear (Paperback): Katy Yocom Three Ways to Disappear (Paperback)
Katy Yocom
R509 Discovery Miles 5 090 Ships in 10 - 15 working days
Three Ways to Disappear (Hardcover): Katy Yocom Three Ways to Disappear (Hardcover)
Katy Yocom
R810 Discovery Miles 8 100 Ships in 10 - 15 working days
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