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Megafauna

Author : Richard A. Fariña
Publisher : Indiana University Press
Page : 458 pages
File Size : 14,39 MB
Release : 2013-05-22
Category : Science
ISBN : 0253007194

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“An enjoyable read that provides a substantial amount of detail on the biology, ecology, and distribution of these fantastic animals . . . Highly recommended.” —Choice More than 10,000 years ago spectacularly large mammals roamed the pampas and jungles of South America. This book tells the story of these great beasts during and just after the Pleistocene, the geological epoch marked by the great ice ages. Megafauna describes the history and way of life of these animals, their comings and goings, and what befell them at the beginning of the modern era and the arrival of humans. It places these giants within the context of the other mammals then alive, describing their paleobiology—how they walked; how much they weighed; their diets, behavior, biomechanics; and the interactions among them and with their environment. It also tells the stories of the scientists who contributed to our discovery and knowledge of these transcendent creatures and the environment they inhabited. The episode known as the Great American Biotic Interchange, perhaps the most important of all natural history “experiments,” is also an important theme of the book, tracing the biotic events of both North and South America that led to the fauna and the ecosystems discussed in this book. “Collectively, this book brings attention to the discovery and natural history of ancient beasts in South America while providing a broader temporal and geographic background that allows readers to understand their evolution and potential immigration to South America.” —Quarterly Review of Biology “An excellent volume . . . This book is likely to facilitate progress in the understanding of fossil mammals from the Americas.” —Priscum

End of the Megafauna: The Fate of the World's Hugest, Fiercest, and Strangest Animals

Author : Ross D E MacPhee
Publisher : W. W. Norton & Company
Page : 144 pages
File Size : 50,48 MB
Release : 2018-11-13
Category : Science
ISBN : 0393249301

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The fascinating lives and puzzling demise of some of the largest animals on earth. Until a few thousand years ago, creatures that could have been from a sci-fi thriller—including gorilla-sized lemurs, 500-pound birds, and crocodiles that weighed a ton or more—roamed the earth. These great beasts, or “megafauna,” lived on every habitable continent and on many islands. With a handful of exceptions, all are now gone. What caused the disappearance of these prehistoric behemoths? No one event can be pinpointed as a specific cause, but several factors may have played a role. Paleomammalogist Ross D. E. MacPhee explores them all, examining the leading extinction theories, weighing the evidence, and presenting his own conclusions. He shows how theories of human overhunting and catastrophic climate change fail to account for critical features of these extinctions, and how new thinking is needed to elucidate these mysterious losses. Along the way, we learn how time is determined in earth history; how DNA is used to explain the genomics and phylogenetic history of megafauna—and how synthetic biology and genetic engineering may be able to reintroduce these giants of the past. Until then, gorgeous four-color illustrations by Peter Schouten re-create these megabeasts here in vivid detail.

Megafauna

Author : Baz Edmeades
Publisher :
Page : 364 pages
File Size : 11,68 MB
Release : 2021-11-10
Category : Science
ISBN : 9781544526539

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Ecological competition began as slow arms races. Predators evolved to hunt. Prey evolved to defend themselves. Each improvement was small, barely shifting the odds of survival. Nature remained in equilibrium. Until the dawn of humanity. When our ancestors developed the unique ability to think up new devices and behaviors, humanity became able to overcome nature's defenses far more quickly than natural selection could respond. Humankind spread out of Africa, wiping out most of the megafauna in its path-mammoths, sabertooth cats, elephant-sized sloths, and a great many other species. Today, this formidable, inventive genius of our species-now grown to overwhelming and all-conquering proportions-is threatening to make the earth unlivable, even for ourselves. The only weapon available to us to counter this threat is, ironically, the same one that unleashed our destructiveness in the first place: the analytical and creative power of the human brain.

Ice Age Mammals of North America

Author : Ian M. Lange
Publisher : Mountain Press
Page : 0 pages
File Size : 49,85 MB
Release : 2017
Category : Science
ISBN : 9780878426805

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Lange untangles the complex evolutionary lineages of mammal families, including the gomphotheres, elephant-like creatures that coexisted with humans at the end of the Pleistocene. You�ll learn about the geologic events that led to the ice ages, along with possible causes for the mass extinctions of so many species.

Prehistoric Giants

Author : Danielle Clode
Publisher : Danielle Clode
Page : 72 pages
File Size : 24,34 MB
Release : 2009-01-01
Category : Animals, Fossil
ISBN : 9780980381320

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Step back to a time when giant goannas and marsupial lions stalked the Australian bush. Imagine herds of two-tonne Diprotodon roaming the plains, and flocks of flightless ducks bigger than emus striding across the shallow inland sea.

Whale Sharks

Author : Alistair D.M. Dove
Publisher : CRC Press
Page : 442 pages
File Size : 38,43 MB
Release : 2021-08-25
Category : Nature
ISBN : 1351334751

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Whale sharks are the largest of all fishes, fascinating for comparative studies of all manner of biological fields, including functional anatomy, growth, metabolism, movement ecology, behavior and physiology. These gentle ocean giants have captured the interest of scientists and the imagination of the public, yet their future is uncertain. The conservation status of whale sharks was upgraded to Endangered on the IUCN Red List and the species faces a range of intense threats from human activities. Can these iconic living animals, who have survived for millions of years, survive us? Written by the world’s leading experts in whale shark biology, ecology, and conservation, Whale Sharks: Biology, Ecology and Conservation is the first definitive volume about the world's biggest fish. Chapters include discussions of satellite-linked tags, used to track whale shark movements; genetic sequencing, to examine evolutionary adaptations; even the use of underwater ultrasound units to investigate the species’ reproduction. The editors hope that by collating what is known, they can make it easier for future researchers, conservationists, and resource managers to fill some of the remaining knowledge gaps, and provide the information they need to join the team. As you work your way through this book, we hope that you will develop a sense of awe and marvel at all of our good fortune to share the ocean, and the planet, with this utterly extraordinary species.

American Megafaunal Extinctions at the End of the Pleistocene

Author : Gary Haynes
Publisher : Springer Science & Business Media
Page : 200 pages
File Size : 23,57 MB
Release : 2008-12-23
Category : Science
ISBN : 1402087934

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The volume contains summaries of facts, theories, and unsolved problems pertaining to the unexplained extinction of dozens of genera of mostly large terrestrial mammals, which occurred ca. 13,000 calendar years ago in North America and about 1,000 years later in South America. Another equally mysterious wave of extinctions affected large Caribbean islands around 5,000 years ago. The coupling of these extinctions with the earliest appearance of human beings has led to the suggestion that foraging humans are to blame, although major climatic shifts were also taking place in the Americas during some of the extinctions. The last published volume with similar (but not identical) themes -- Extinctions in Near Time -- appeared in 1999; since then a great deal of innovative, exciting new research has been done but has not yet been compiled and summarized. Different chapters in this volume provide in-depth resumés of the chronology of the extinctions in North and South America, the possible insights into animal ecology provided by studies of stable isotopes and anatomical/physiological characteristics such as growth increments in mammoth and mastodont tusks, the clues from taphonomic research about large-mammal biology, the applications of dating methods to the extinctions debate, and archeological controversies concerning human hunting of large mammals.

God, the Moon, and Other Megafauna

Author : Kellie Wells
Publisher : University of Notre Dame Pess
Page : 145 pages
File Size : 34,92 MB
Release : 2017-08-15
Category : Fiction
ISBN : 0268102287

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Kellie Wells is a writer of startling imagination whose "phantasmal stories," Booklist says, "shimmer with a dreamlike vibrancy." God, the Moon, and Other Megafauna, Wells's second collection of short stories and winner of the Richard Sullivan Prize in Short Fiction, is populated with the world's castoffs, cranks, and inveterate oddballs, the deeply aggrieved, the ontologically challenged, the misunderstood mopes that haunt the shadowy wings of the world?s main stage. Here you will find a teacup-sized aerialist who tries to ingest the world's considerable suffering; a lonely god growing ever lonelier as the Afterlife swells with monkeys and other improbable occupants; a father fluent in the language of the Dead who has difficulty communicating with his living son; and Death himself, a moony adolescent with a tender heart and a lack of ambition. God-haunted and apocalyptic, comic and formally inventive, these stories give lyrical voice to the indomitability of the everyday underdog, and they will continue to resonate long after the last word has been read.

Fauna

Author : Tania McCartney
Publisher :
Page : pages
File Size : 14,78 MB
Release : 2019-11
Category :
ISBN : 9780642279545

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Age range 5+ Did you know that platypus have retractable webbing on their hind feetto enable an easy transition from swimming to digging? That kangaroos can'tsweat and that the cassowary has no tongue? In Fauna - Australia's MostCurious Creatures, readers are constantly introduced to facts that delight,amaze and induce sheer wonder at the clever design and adaptability of ourmuch-loved native fauna. The information on each individual species is presented in small 'bites'to hold the interest of younger readers, while the information taken in totalgives a comprehensive summary of each species, including breeding and feedinghabits, physical characteristics, habitat and other unique and quirky features. Fauna also has a strong conservation message with an 'extinction roll call'and a rating for the vulnerability of endangered species. The stylised illustrations in Faunaare lively, colourful and informative, highlighting facts that lend themselvesmore to pictures than words e.g. the actual size of crocodile teeth, or themechanics of the echidna's beak. There is also humour in the illustrations - isthat kangaroo with dark glasses actually from a different kind of mob? Readers young and old will be delighted and informed by Fauna.

Once and Future Giants

Author : Sharon Levy
Publisher : Oxford University Press
Page : 275 pages
File Size : 35,43 MB
Release : 2011-03-22
Category : Science
ISBN : 0199831548

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Until about 13,000 years ago, North America was home to a menagerie of massive mammals. Mammoths, camels, and lions walked the ground that has become Wilshire Boulevard in Los Angeles and foraged on the marsh land now buried beneath Chicago's 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 the threat of another 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. 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.