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Author : Helene Marsh,Thomas J. O'Shea,John Elliott Reynolds
Publisher : Cambridge University Press
Page : 543 pages
File Size : 53,6 Mb
Release : 2011-12
Category : Nature
ISBN : 9780521888288
A synthesis of the ecological and related knowledge pertinent to understanding the biology and conservation of dugongs and manatees.
Author : Gabriel Horn
Publisher : New York : Crestwood House
Page : 52 pages
File Size : 41,7 Mb
Release : 1989
Category : Juvenile Nonfiction
ISBN : 089686460X
Describes the large sea mammal which lived in the cold Arctic waters for centuries until becoming extinct twenty-seven years after its discovery by a German naturalist.
Author : Georg Steller
Publisher : Lulu.com
Page : 82 pages
File Size : 53,6 Mb
Release : 2011-03-03
Category : History
ISBN : 9781609620103
Steller's classic work, published in Latin in 1751 and in German in 1753, contains the only scientific description from life of the Steller's sea cow (Hydrodamalis gigas), as well as the first scientific descriptions of the fur seal or "sea bear" (Callorhinus ursinus), Steller's sea lion (Eumetopias jubatus), and the sea otter (Enhydra lutris). Steller's sea cow was a sirenian, or manatee, inhabiting the North Pacific Ocean and Bering Sea. It was first discovered by Europeans in 1741 and rendered extinct by 1768. It was a 30-foot long, plant-eating aquatic mammal, weighing up to 12 tons, that lived in large herds on the coasts of Alaska and Kamchatka. Steller made his observations as part of Vitus Bering's second voyage, during which the crew was shipwrecked for 9 months on Bering Island, from November 1741 to August 1742.
Author : Callum Roberts
Publisher : Island Press
Page : 615 pages
File Size : 47,6 Mb
Release : 2009-01-05
Category : History
ISBN : 9781597265775
Humanity can make short work of the oceans’ creatures. In 1741, hungry explorers discovered herds of Steller’s sea cow in the Bering Strait, and in less than thirty years, the amiable beast had been harpooned into extinction. It’s a classic story, but a key fact is often omitted. Bering Island was the last redoubt of a species that had been decimated by hunting and habitat loss years before the explorers set sail. As Callum M. Roberts reveals in The Unnatural History of the Sea, the oceans’ bounty didn’t disappear overnight. While today’s fishing industry is ruthlessly efficient, intense exploitation began not in the modern era, or even with the dawn of industrialization, but in the eleventh century in medieval Europe. Roberts explores this long and colorful history of commercial fishing, taking readers around the world and through the centuries to witness the transformation of the seas. Drawing on firsthand accounts of early explorers, pirates, merchants, fishers, and travelers, the book recreates the oceans of the past: waters teeming with whales, sea lions, sea otters, turtles, and giant fish. The abundance of marine life described by fifteenth century seafarers is almost unimaginable today, but Roberts both brings it alive and artfully traces its depletion. Collapsing fisheries, he shows, are simply the latest chapter in a long history of unfettered commercialization of the seas. The story does not end with an empty ocean. Instead, Roberts describes how we might restore the splendor and prosperity of the seas through smarter management of our resources and some simple restraint. From the coasts of Florida to New Zealand, marine reserves have fostered spectacular recovery of plants and animals to levels not seen in a century. They prove that history need not repeat itself: we can leave the oceans richer than we found them.
Author : Anonim
Publisher : Unknown
Page : 274 pages
File Size : 47,5 Mb
Release : 1977
Category : Geology
ISBN : MINN:31951000695451V
Author : Esther S. Gordon,Bernard L. Gordon
Publisher : David McKay Company
Page : 31 pages
File Size : 55,6 Mb
Release : 1977-01-01
Category : Extinct animals
ISBN : 0679204105
Discusses the huge sea mammal known as Steller's sea cow which shortly after its discovery in 1741 became extinct, having been hunted for food and for its hide.
Author : Dean Littlepage
Publisher : The Mountaineers Books
Page : 378 pages
File Size : 51,9 Mb
Release : 2006
Category : Biography & Autobiography
ISBN : 1594850577
History, adventure, and science-the 18th century naturalist, Georg Steller, sailed to the north coast of North America and introduced its biological wonders to the world.
Author : Ann Arnold
Publisher : Farrar, Straus and Giroux (BYR)
Page : 0 pages
File Size : 54,5 Mb
Release : 2008-10-28
Category : Juvenile Nonfiction
ISBN : 0374399476
On June 4, 1741, Georg Wilhelm Steller set sail from Avacha Bay in Siberia on the St. Peter, under the command of Vitus Bering. The crew was bound for America on the last leg of an expedition whose mission was to explore, describe, and map Russia’s vast lands from the Ural Mountains across Siberia to the Kamchatka Peninsula, and possibly lay claim to the northwest coast of America – if they could find it, for no European had ever reached America by this route. Officially, Steller was the ship’s mineralogist, but in practice he was its doctor, minister, and naturalist as well. Appointed to the expedition in 1737 by the Academy of Science in St. Petersburg, he was sworn to secrecy concerning any discoveries. Making judicious use of Steller’s richly detailed journals and liberal use of illustrations and maps, Ann Arnold allows the reader to join Steller on this fascinating voyage and its final dangerous mission, which left half the crew dead and the rest suffering from scurvy.
Author : Annalisa Berta
Publisher : Unknown
Page : 221 pages
File Size : 47,6 Mb
Release : 2020-03-31
Category : Electronic
ISBN : 9780520355521
Return to the Sea portrays the life and evolutionary times of marine mammals--from giant whales and sea cows that originated 55 million years ago to the deep-diving elephant seals and clam-eating walruses of modern times. This fascinating account of the origin of various marine-mammal lineages--some extinct, others extant but threatened--is for the nonspecialist. Against a backdrop of geologic time and changing climates and geography, this volume takes evolution as its unifying principle to help us to understand today's diversity of marine mammals and their responses to environmental challenges. Annalisa Berta explains current controversies and explores patterns of change now taking place, such as shifting food webs and predator-prey relationships, habitat degradation, global warming, and the effects of humans on marine-mammal communities.
Author : Tim Fridtjof Flannery,Peter Schouten
Publisher : Virago Press
Page : 184 pages
File Size : 50,9 Mb
Release : 2001
Category : Extinct animals
ISBN : 1876485779
We live in an age of extinction. A Gap in Nature, written by Tim Flannery and breathtakingly illustrated by Peter Schouten, tells the magic story of how, after Columbus' bold discovery of the Americas in 1492, the impact of European exploration and settlement was to prove fatal for many of the planet's most bizarre and extraordinary creatures. Some species disappeared before they could be properly documented, and others became extinct when overzealous collectors shot their last members. Every part of the planet was affected, from the Caribbean to the Arctic North, from the tiniest Pacific island to Eurasia, the great landmass of them all.
Author : Frank C. Whitmore,Leonard Meade Gard
Publisher : Unknown
Page : 50 pages
File Size : 50,7 Mb
Release : 1977
Category : Geology
ISBN : STANFORD:36105007630812
Author : Daryl P. Domning
Publisher : Unknown
Page : 182 pages
File Size : 47,7 Mb
Release : 1970
Category : Nature
ISBN : UCAL:C2975914
Author : Roy P. Mackal
Publisher : Unknown
Page : 294 pages
File Size : 43,8 Mb
Release : 1980
Category : Animals, Mythical
ISBN : 0946313059
Author : Nathaniel T. Wheelwright,Bernd Heinrich
Publisher : Storey Publishing
Page : 209 pages
File Size : 44,7 Mb
Release : 2017-10-17
Category : Nature
ISBN : 9781612128894
Become a more attentive observer and deepen your appreciation for the natural world. The unique five-year calendar format of The Naturalist’s Notebook helps you create a long-term record and point of comparison for memorable events, such as the first songbird you hear in spring, your first monarch butterfly sighting of summer, or the appearance of the northern lights. Biologist Nathaniel T. Wheelwright and best-selling author Bernd Heinrich teach nature lovers of all ages what to look for outdoors no matter where you live, using Heinrich’s classic illustrations as inspiration. As you jot down one observation a day, year after year, your collected field notes will serve as a valuable record of your piece of the planet. This deluxe book, with a three-piece case, gilt edges, a burgundy ribbon bookmark, and a belly band with gold foil stamping, is a perfect gift for all nature lovers.
Author : Beth Shapiro
Publisher : Princeton University Press
Page : 240 pages
File Size : 50,8 Mb
Release : 2020-09-08
Category : Nature
ISBN : 9780691209562
An insider's view on bringing extinct species back to life Could extinct species, like mammoths and passenger pigeons, be brought back to life? In How to Clone a Mammoth, Beth Shapiro, an evolutionary biologist and pioneer in ancient DNA research, addresses this intriguing question by walking readers through the astonishing and controversial process of de-extinction. From deciding which species should be restored to anticipating how revived populations might be overseen in the wild, Shapiro vividly explores the extraordinary cutting-edge science that is being used to resurrect the past. Considering de-extinction's practical benefits and ethical challenges, Shapiro argues that the overarching goal should be the revitalization and stabilization of contemporary ecosystems. Looking at the very real and compelling science behind an idea once seen as science fiction, How to Clone a Mammoth demonstrates how de-extinction will redefine conservation's future.
