The Gray Whale Eschrichtius Robustus PDF Download
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Author | : Mary Lou Jones |
Publisher | : Academic Press |
Total Pages | : 625 |
Release | : 2012-12-02 |
Genre | : Science |
ISBN | : 0080923720 |
Download The Gray Whale: Eschrichtius Robustus Book in PDF, ePub and Kindle
The Gray Whale: Eschrichtius robustus provides an introduction to the understanding of Eschrichtius robustus or the gray whale. This book explores the life processes, reproduction, and growth of large cetacean populations. Organized into four parts encompassing 25 chapters, this book begins with an overview of the gray whale evolution, fossils, and subfossil remains, range, and systematics in historical times. This text then presents the historical of gray whale exploitation and the economic importance of these whales to humans. Other chapters consider the gray whale migration, abundance, and seasonal distribution in the wake of the California population's recovery from depletion. This book discusses as well the methods used in shore-based censuses during migration and in aerial surveys of gray whales taken on their winter grounds. The final chapter deals with some innovative approaches to the study of free-ranging cetaceans. This book is a valuable resource for anthropologists, paleontologists, biologists, and naturalists.
Author | : Dale W. Rice |
Publisher | : |
Total Pages | : 160 |
Release | : 1971 |
Genre | : Nature |
ISBN | : |
Download The Life History and Ecology of the Gray Whale (Eschrichtius Robustus) Book in PDF, ePub and Kindle
Author | : Richard Ellis |
Publisher | : Island Press |
Total Pages | : 385 |
Release | : 2013-03-19 |
Genre | : Nature |
ISBN | : 1597265993 |
Download The Empty Ocean Book in PDF, ePub and Kindle
In The Empty Ocean, acclaimed author and artist Richard Ellis tells the story of our continued plunder of life in the sea and weighs the chances for its recovery. Through fascinating portraits of a wide array of creatures, he introduces us to the many forms of sea life that humans have fished, hunted, and collected over the centuries, from charismatic whales and dolphins to the lowly menhaden, from sea turtles to cod, tuna, and coral. Rich in history, anecdote, and surprising fact, Richard Ellis’s descriptions bring to life the natural history of the various species, the threats they face, and the losses they have suffered. Killing has occurred on a truly stunning scale, with extinction all too often the result, leaving a once-teeming ocean greatly depleted. But the author also finds instances of hope and resilience, of species that have begun to make remarkable comebacks when given the opportunity. Written with passion and grace, and illustrated with Richard Ellis’s own drawings, The Empty Ocean brings to a wide audience a compelling view of the damage we have caused to life in the sea and what we can do about it. "
Author | : Dale W. Rice |
Publisher | : |
Total Pages | : 142 |
Release | : 1971 |
Genre | : |
ISBN | : |
Download The Life History and Ecology of the Gray Whale (Eschrichtus Robustus). Book in PDF, ePub and Kindle
Author | : Serge Dedina |
Publisher | : University of Arizona Press |
Total Pages | : 220 |
Release | : 2000-01-01 |
Genre | : Nature |
ISBN | : 9780816518463 |
Download Saving the Gray Whale Book in PDF, ePub and Kindle
Once hunted by whalers and now the darling of ecotourists, the gray whale has become part of the culture, history, politics, and geography of Mexico's most isolated region. After the harvesting of gray whales was banned by international law in 1946, their populations rebounded; but while they are no longer hunted for their oil, these creatures are now chased up and down the lagoons of southern Baja California by whalewatchers. This book uses the biology and politics associated with gray whales in Mexican waters to present an unusual case study in conservation and politics. It provides an inside look at how gray whale conservation decisions are made in Mexico City and examines how those policies and programs are carried out in the calving grounds of San Ignacio Lagoon and Magdalena Bay, where catering to ecotourists is now an integral part of the local economy. More than a study of conservation politics, Dedina's book puts a human face on wildlife conservation. The author lived for two years with residents of Baja communities to understand their attitudes about wildlife conservation and Mexican politics, and he accompanied many in daily activities to show the extent to which the local economy depends on whalewatching. "It is ironic," observes Dedina, "that residents of some of the most isolated fishing villages in North America are helping to redefine our relationship with wild animals. Americans and Europeans brought the gray whale population to the brink of extinction. The inhabitants of San Ignacio Lagoon and Magdalena Bay are helping us to celebrate the whales' survival." By showing us how these animals have helped shape the lifeways of the people with whom they share the lagoons, Saving the Gray Whale demonstrates that gray whales represent both a destructive past and a future with hope.
Author | : International Union for Conservation of Nature and Natural Resources |
Publisher | : IUCN |
Total Pages | : 450 |
Release | : 1991 |
Genre | : Nature |
ISBN | : 9782880329365 |
Download Dolphins, Porpoises and Whales of the World Book in PDF, ePub and Kindle
Author | : Suhail Rafidi |
Publisher | : |
Total Pages | : 216 |
Release | : 2016-09-01 |
Genre | : |
ISBN | : 9780988338937 |
Download Cetus Finalis Book in PDF, ePub and Kindle
One winter, a female pod of Atlantic gray whales find themselves alone at the equatorial mating grounds. Searching for their absent bulls, they quest through a submarine world ringing with the ancient calls of mysterious leviathans.
Author | : James A. Estes |
Publisher | : Univ of California Press |
Total Pages | : 424 |
Release | : 2006 |
Genre | : Business & Economics |
ISBN | : 0520248848 |
Download Whales, Whaling, and Ocean Ecosystems Book in PDF, ePub and Kindle
"A must read for anyone interested in the ecology of whales, this timely and creative volume is sure to stimulate new research for years to come."—Annalisa Berta, San Diego State University
Author | : |
Publisher | : |
Total Pages | : |
Release | : 1971 |
Genre | : |
ISBN | : |
Download Life History and Ecology of the Gray Whale (Eschrichtius Robustus) Book in PDF, ePub and Kindle
Author | : TWISS JOHN R |
Publisher | : Smithsonian |
Total Pages | : 0 |
Release | : 1999-09-17 |
Genre | : Endangered species |
ISBN | : 9781560987789 |
Download CONSERV MGMT MARINE MAMMALS Book in PDF, ePub and Kindle
"Providing insight into issues that involve a complex mixture of scientific, social, economic, and political considerations, Conservation and Management of Marine Mammals is a valuable reference for students, scientists, conservationists, and policymakers."--BOOK JACKET.