Scleractinian Corals from the Upper Cretaceus and Lower Tertiary of Nûgssuaq, West Greenland PDF Download

Author: Søren Floris
Publisher:
ISBN:
Category : Corals, Fossil
Languages : en
Pages : 328

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Author: Filkorn
Publisher: American Geophysical Union
ISBN:
Category :
Languages : en
Pages : 107

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Author: Rosemarie C. Baron-Szabo
Publisher:
ISBN: 9781776703135
Category :
Languages : en
Pages : 98

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Author: T. Wayland Vaughan
Publisher:
ISBN:
Category : Corals, Fossil
Languages : en
Pages : 332

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Author: Rosemarie C. Baron-Szabo
Publisher:
ISBN: 9783000095757
Category : Corals, Fossil
Languages : en
Pages : 538

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Author: John Edward Norwood Veron
Publisher: Cornell University Press
ISBN: 9780801482632
Category : Nature
Languages : en
Pages : 340

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Book Description
As concerns about the change in global climate and the loss of biodiversity have mounted, attention has focused on the depletion of the ozone layer and the destruction of tropical rainforests. But recently scientists have identified another seriously endangered ecosystem: coral reefs. In Corals in Space and Time, J.E.N. Veron provides a richly detailed study of corals that will inform investigations of these fragile ecosystems. Drawing on twenty-five years of research, Veron brings together extensive field observations about the taxonomy, biogeography, paleontology, and biology of corals. After introducing coral taxonomy and biogeography, as well as relevant aspects of coral biology for the non-specialist, he provides an interpretation of the fossil record and paleoclimates, an analysis of modern coral distribution, and a discussion of the evolutionary nature and origins of coral species. Revealing a sharp conflict between empirical observations about the geographical variation within species, Veron introduces a non-Darwinian theory of coral evolution. He proposes that the evolution of coral species is driven not primarily by natural selection, but by constantly shifting patterns of ocean circulation, which produce changing variations of genetic connectivity. This mechanism of speciation and hybridization has far-reaching consequences for the study of all types of corals and potentially many other groups of organisms as well.

Author: T Wayland Vaughan
Publisher: Wentworth Press
ISBN: 9781011889891
Category :
Languages : en
Pages : 328

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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Author: Rosemarie C. Baron-Szabo
Publisher:
ISBN: 9783853160749
Category : Corals, Fossil
Languages : en
Pages : 304

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Literaturverz. S. 269 - 282

Author: Ewa Roniewicz
Publisher:
ISBN:
Category : Paleontology
Languages : en
Pages : 250

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Author: T. Wayland Vaughan
Publisher: Forgotten Books
ISBN: 9780332550503
Category : Science
Languages : en
Pages : 326

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Excerpt from The Eocene and Lower Oligocene Coral Faunas of the United States: With Descriptions of a Few Doubtfully Cretaceous Species In the winter of 1892, while a student at Harvard University, I began a study of the Eocene corals of the United States, and have continued it, with considerable interruption, during six years. The study Of corals presents peculiar difficulties. The classification depends to a large extent upon minute and Obscure structures that are fre quently destroyed in fossil specimens; and the system of classification, as so many Of the later students of these organisms have pointed out, is thor oughly unsatisfactory, but as yet no good system which can replace the old one has been proposed, although recent investigators have accumulated much valuable data that will probably serve as the foundation fora better and more natural system in the near future. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.