Malformed Frogs
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Author | : Michael Lannoo |
Publisher | : Univ of California Press |
Total Pages | : 294 |
Release | : 2008-08-04 |
Genre | : Science |
ISBN | : 0520942531 |
The widespread appearance of frogs with deformed bodies has generated much press coverage over the past decade. Frogs with extra limbs or digits, missing limbs or digits, or misaligned appendages raise an alarming question: "Are deformed humans next?" Taking a fresh look at this disturbing environmental problem, this reference provides a balanced overview of the science behind the malformed frog phenomenon. Bringing together data from ecology, parasitology, and other disciplines, Michael Lannoo considers the possible causes of these deformities, tells which frogs have been affected, and addresses questions about what these malformations might mean to human populations. Featuring high-quality radiographic images, Malformed Frogs suggests that our focus should be on finding practical solutions, a key component of which will be controlling chemical, nutrient, and pesticide runoff into wetlands.
Author | : Judith Cairncross Helgen |
Publisher | : Univ of Massachusetts Press |
Total Pages | : 260 |
Release | : 2012 |
Genre | : Biography & Autobiography |
ISBN | : 1558499466 |
When deformed frogs-many with missing legs or eyes, footless stumps, or misshapen jaws-began to emerge from Minnesota wetlands, alarm bells went off. What caused such deformities? Pollution? Ultraviolet rays? Biological agents? And could the mysterious cause also pose a threat to humans? Former government biologist Judy Helgen provides an inside view of a highly charged environmental issue that continues to spark controversy among scientists, politicians, and government agencies. Book jacket.
Author | : William Souder |
Publisher | : Hyperion Books |
Total Pages | : 336 |
Release | : 2000-03-15 |
Genre | : Nature |
ISBN | : |
In the tradition of "The Hot Zone" comes an explosive investigation into a global catastrophe in the making. Moving from America's swamps and wetlands to laboratories and government back rooms, Souder dramatically reveals the warning implicit in an outbreak of mutated frogs, explaining the importance of the amphibians to our fragile ecosystems and suggesting what their possible extinction means to the habitability of the planet for all species, including the human race.
Author | : Terry VanDeWalle |
Publisher | : University of Iowa Press |
Total Pages | : 16 |
Release | : 2011-11-01 |
Genre | : Nature |
ISBN | : 1609380606 |
Frogs and toads have become canaries in the coal mine when it comes to conservation, as the discovery of malformed frogs has brought increased attention to global habitat loss, declining biodiversity, and environmental pollution. Midwestern species of frogs and toads—already declining due to habitat loss from agriculture—have been greatly affected by this worldwide phenomenon. VanDeWalle includes a complete description of each species along with distinguishing characteristics for three subspecies, information about range and habitat preferences, diet, types of calls, and breeding season.
Author | : Michael J. Lannoo |
Publisher | : Univ of California Press |
Total Pages | : 1124 |
Release | : 2005-06-15 |
Genre | : Nature |
ISBN | : 9780520235922 |
Documents in comprehensive detail a major environmental crisis: rapidly declining amphibian populations and the disturbing developmental problems that are increasingly prevalent within many amphibian species.
Author | : Bobbie Kalman |
Publisher | : Crabtree Publishing Company |
Total Pages | : 36 |
Release | : 2002 |
Genre | : Juvenile Nonfiction |
ISBN | : 9780778706519 |
The Life Cycle of a Frog details the fascinating changes in a frog through its four stages: egg, tadpole, froglet, and adult. Amazing illustrations and photos help explain how metamorphosis differs in various climates and how pollution and pesticides affect frogs.
Author | : Marty Crump |
Publisher | : University of Chicago Press |
Total Pages | : 329 |
Release | : 2015-11-16 |
Genre | : Literary Criticism |
ISBN | : 022611600X |
Recent estimates suggest that nearly 3 million people in the US alone keep an amphibian or reptile as a pet. YouTube videos with odes to cane toads are ubiquitous. And yet amphibians and reptiles also keep extermination companies in business, and are reviled by many. These emotions pose great challenges to the conservation of these species, just as their populations in the natural world are in great decline. It can be quite hard to inspire stewardship of a tomato toad in the same way that one can more generally charismatic fauna like pandas and polar bears. In response, herpetologists have created large-scale programs such as Amphibian Ark, the umbrella organization behind the Year of the Frog campaign, http: //www.amphibianark.org/, to educate and enthrall citizens with the charm of the more slimy species of the planet. Few herpetologists have contributed more to the conservation of amphibians and reptiles than Marty Crump, a renowned expert on declining amphibians. This manuscript is her ode to the toad, a masterful compilation of science and narrative centering on human relations with amphibians and reptiles across the globe. An intrepid explorer and skilled writer, Crump has gathered stories and myths and paired them with natural history to give a wonderful view of how essential amphibians and reptiles are to our well being. Using symbolism, folklore, and science, the manuscript also explores the conservation consequences of our complicated amorous and vexed affair with snakes, frogs, toads and other herpetofauna.
Author | : James P. Collins |
Publisher | : Oxford University Press |
Total Pages | : 296 |
Release | : 2009-07-07 |
Genre | : Science |
ISBN | : 0199717885 |
For over 350 million years, thousands of species of amphibians have lived on earth, but since the 1990s they have been disappearing at an alarming rate, in many cases quite suddenly and mysteriously. What is causing these extinctions? What role do human actions play in them? What do they tell us about the overall state of biodiversity on the planet? In Extinction in Our Times, James Collins and Martha Crump explore these pressing questions and many others as they document the first modern extinction event across an entire vertebrate class, using global examples that range from the Sierra Nevada of California to the rainforests of Costa Rica and the Mediterranean coast of North Africa. Joining scientific rigor and vivid storytelling, this book is the first to use amphibian decline as a lens through which to see more clearly the larger story of climate change, conservation of biodiversity, and a host of profoundly important ecological, evolutionary, ethical, philosophical, and sociological issues.
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Total Pages | : 142 |
Release | : 1997-12 |
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Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.
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Total Pages | : 646 |
Release | : 2000 |
Genre | : Environmental health |
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