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Author: José Luis Prado
Publisher: Springer
ISBN: 3319558773
Category : Science
Languages : en
Pages : 157
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Book Description
This book provides an update on the phylogeny, systematics and ecology of horses in South America based on data provided over the past three decades. The contemporary South American mammalian communities were shaped by the emergence of the Isthmus of Panama and by the profound climatic oscillations during the Pleistocene. Horses were a conspicuous group of immigrant mammals from North America that arrived in South America during the Pleistocene. This group is represented by 2 genera, Hippidion and Equus, which include small species (Hippidion devillei, H. saldiasi, E. andium and E. insulatus) and large forms (Equus neogeus and H. principale). Both groups arrived in South America via 2 different routes. One model designed to explain this migration indicates that the small forms used the Andes corridor, while larger horses used the eastern route and arrived through some coastal areas. Molecular dating (ancient DNA) suggests that the South American horses separated from the North American taxa (caballines and the New World stilt-legged horse) after 3.6 - 3.2 Ma, consistent with the final formation of the Panamanian Isthmus. Recent studies of stable isotopes in these horses indicate an extensive range of 13C values cover closed woodlands to C4 grasslands. This plasticity agrees with the hypothesis that generalist species and open biome specialist species from North America indicate a positive migration through South America.
Author: José Luis Prado
Publisher: Springer
ISBN: 3319558773
Category : Science
Languages : en
Pages : 157
Get Book Here
Book Description
This book provides an update on the phylogeny, systematics and ecology of horses in South America based on data provided over the past three decades. The contemporary South American mammalian communities were shaped by the emergence of the Isthmus of Panama and by the profound climatic oscillations during the Pleistocene. Horses were a conspicuous group of immigrant mammals from North America that arrived in South America during the Pleistocene. This group is represented by 2 genera, Hippidion and Equus, which include small species (Hippidion devillei, H. saldiasi, E. andium and E. insulatus) and large forms (Equus neogeus and H. principale). Both groups arrived in South America via 2 different routes. One model designed to explain this migration indicates that the small forms used the Andes corridor, while larger horses used the eastern route and arrived through some coastal areas. Molecular dating (ancient DNA) suggests that the South American horses separated from the North American taxa (caballines and the New World stilt-legged horse) after 3.6 - 3.2 Ma, consistent with the final formation of the Panamanian Isthmus. Recent studies of stable isotopes in these horses indicate an extensive range of 13C values cover closed woodlands to C4 grasslands. This plasticity agrees with the hypothesis that generalist species and open biome specialist species from North America indicate a positive migration through South America.
Author:
Publisher:
ISBN:
Category : Union catalogs
Languages : en
Pages :
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Book Description
Includes entries for maps and atlases.
Author: Heather T. Herdman
Publisher: Thieme
ISBN: 1626239304
Category : Medical
Languages : en
Pages : 526
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Book Description
Fully updated and revised by authors T. Heather Herdman, PhD, RN, FNI, and Shigemi Kamitsuru, PhD, RN, FNI, Nursing Diagnoses: Definitions and Classification 2018-2020, Eleventh Edition is the definitive guide to nursing diagnoses, as reviewed and approved by NANDA International (NANDA-I). In this new edition of a seminal text, the authors have written all introductory chapters at an undergraduate nursing level, providing the critical information needed for nurses to understand assessment, its link to diagnosis and clinical reasoning, and the purpose and use of taxonomic structure for the nurse at the bedside. Other changes include: 18 new nursing diagnoses and 72 revised diagnoses Updates to 11 nursing diagnosis labels, ensuring they are consistent with current literature and reflect a human response Modifications to the vast majority of the nursing diagnosis definitions, including especially Risk Diagnoses Standardization of diagnostic indicator terms (defining characteristics, related factors, risk factors, associated conditions, and at-risk populations) to further aid clarity for readers and clinicians Coding of all diagnostic indicator terms for those using electronic versions of the terminology Web-based resources include chapter and reference lists for new diagnoses Rigorously updated and revised, Nursing Diagnoses: Definitions and Classification 2018-2020, Eleventh Edition is a must-have resource for all nursing students, professional nurses, nurse educators, nurse informaticists, and nurse administrators.
Author: Diego García-Bellido Capdevila
Publisher: IGME
ISBN: 9788478408573
Category :
Languages : en
Pages : 692
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Book Description
Author: Benjamin Alberti
Publisher: Routledge
ISBN: 1134597835
Category : Social Science
Languages : en
Pages : 445
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Book Description
This pioneering and comprehensive survey is the first overview of current themes in Latin American archaeology written solely by academics native to the region, and it makes their collected expertise available to an English-speaking audience for the first time. The contributors cover the most significant issues in the archaeology of Latin America, such as the domestication of camelids, the emergence of urban society in Mesoamerica, the frontier of the Inca empire, and the relatively little known archaeology of the Amazon basin. This book draws together key areas of research in Latin American archaeological thought into a coherent whole; no other volume on this area has ever dealt with such a diverse range of subjects, and some of the countries examined have never before been the subject of a regional study.
Author: Charles S. Carver
Publisher:
ISBN: 9789353067854
Category : Personality
Languages : en
Pages : 0
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Book Description
"Perspectives on Personality describes a range of viewpoints that are used by personality psychologists today, and helps students understand how these viewpoints can be applied to their own lives. Authors Charles Carver and Michael Scheier dedicate a chapter to each major perspective, presenting an overview on the perspective's orienting assumptions and core themes and concluding with a discussion of problems within that theoretical viewpoint and predictions about its future prospects. The Eighth edition incorporates several important recent developments in the field, including genetics and genomics and the biological underpinnings of impulsiveness"--Back cover
Author: Bruce J. MacFadden
Publisher: Cambridge University Press
ISBN: 9780521477086
Category : Nature
Languages : en
Pages : 388
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Book Description
The horse has frequently been used as a classic example of long-term evolution because it possesses an extensive fossil record. This book synthesizes the large body of data and research relevant to an understanding of fossil horses from perspectives such as biology, geology, paleontology.
Author: Onno Oncken
Publisher: Springer Science & Business Media
ISBN: 3540486844
Category : Science
Languages : en
Pages : 574
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Book Description
This book provides the first comprehensive overview of a complete subduction orogen, the Andes. To date the results provide the densest and most highly resolved geophysical image of an active subduction orogen.
Author: Derek E. G. Briggs
Publisher: John Wiley & Sons
ISBN: 0470999284
Category : Science
Languages : en
Pages : 600
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Book Description
Palaeobiology: A Synthesis was widely acclaimed both for its content and production quality. Ten years on, Derek Briggs and Peter Crowther have once again brought together over 150 leading authorities from around the world to produce Palaeobiology II. Using the same successful formula, the content is arranged as a series of concise articles, taking a thematic approach to the subject, rather than treating the various fossil groups systematically. This entirely new book, with its diversity of new topics and over 100 new contributors, reflects the exciting developments in the field, including accounts of spectacular newly discovered fossils, and embraces data from other disciplines such as astrobiology, geochemistry and genetics. Palaeobiology II will be an invaluable resource, not only for palaeontologists, but also for students and researchers in other branches of the earth and life sciences. Written by an international team of recognised authorities in the field. Content is concise but informative. Demonstrates how palaeobiological studies are at the heart of a range of scientific themes.
Author: Paul Selden
Publisher: CRC Press
ISBN: 1840766239
Category : Science
Languages : en
Pages : 289
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Book Description
Evolution of Fossil Ecosystems describes all of the main Fossil Lagerstätten (sites of exceptional fossil preservation) from around the world in a chronological order. It covers the history of research, stratigraphy and taphonomy, main faunal and floral elements, and the palaeoecology of each site and gives a comparison with coeval sites around the w
