Late Cretaceous and Cenozoic History of North American Vegetation PDF Download
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Author: Alan Graham
Publisher: Oxford University Press
ISBN: 0195344375
Category : Science
Languages : en
Pages : 372
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Book Description
This book is a unique and integrated account of the history of North American vegetation and paleoenvironments over the past 70 million years. It includes discussions of the modern plant communities, causal factors for environmental change, biotic response, and methodologies. The history reveals a North American vegetation that is vast, immensely complex, and dynamic.
Author: Alan Graham
Publisher: Oxford University Press
ISBN: 0195344375
Category : Science
Languages : en
Pages : 372
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Book Description
This book is a unique and integrated account of the history of North American vegetation and paleoenvironments over the past 70 million years. It includes discussions of the modern plant communities, causal factors for environmental change, biotic response, and methodologies. The history reveals a North American vegetation that is vast, immensely complex, and dynamic.
Author: Alan Graham
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 664
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Book Description
This volume summarizes the history of Latin American vegetation from just prior to the asteroid impact at Chicxulub, Mexico, at the end of the Cretaceous period through the rapid-paced events of Holocene and Recent times, tracing highlights in the origin of lineages and plant communities that constitute a fundamental part of the tropical ecosystems of the New World. Emphasis is placed on the array of available methods and approaches, as well as on the need for incorporating ancillary information from the many relevant disciplines and for assessing the paleobiological results within the context of independent lines of inquiry--particularly important for understanding the vast and complex communities of Latin America.
Author: Kristina A. Schierenbeck
Publisher: Univ of California Press
ISBN: 0520959248
Category : Science
Languages : en
Pages : 364
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Book Description
Phylogeography of California examines the evolution of a variety of taxa—ancient and recent, native and migratory—to elucidate evolutionary events both major and minor that shaped the distribution, radiation, and speciation of the biota of California. The book also interprets evolutionary history in a geological context and reviews new and emerging phylogeographic patterns. Focusing on a region that is defined by physical and political boundaries, Kristina A. Schierenbeck provides a phylogeographic survey of California’s diverse flora and fauna according to their major organismal groups. Life history and ecological characteristics, which play prominent roles in the various outcomes for respective clades, are also considered throughout the work. Supporting scholars and researchers who study evolutionary diversification, the book analyzes research that helps assess one of the major challenges in phylogeographic studies: understanding changes in population structures shaped by geological and geographical processes. California is one of only twenty-five acknowledged biological hotspots worldwide, and the phylogeographic history of the state can be extrapolated to study other regions in western North America. Further consideration is given to implications for conservation, recommendations concerning the biogeographic provinces that roughly define the state of California, and predictions related to climate change.
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: Kim C. Steiner
Publisher:
ISBN:
Category : American chestnut
Languages : en
Pages : 250
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Book Description
Author: Eustaquio Gil-Pelegrín
Publisher: Springer
ISBN: 331969099X
Category : Science
Languages : en
Pages : 544
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Book Description
With more than 500 species distributed all around the Northern Hemisphere, the genus Quercus L. is a dominant element of a wide variety of habitats including temperate, tropical, subtropical and mediterranean forests and woodlands. As the fossil record reflects, oaks were usual from the Oligocene onwards, showing the high ability of the genus to colonize new and different habitats. Such diversity and ecological amplitude makes genus Quercus an excellent framework for comparative ecophysiological studies, allowing the analysis of many mechanisms that are found in different oaks at different level (leaf or stem). The combination of several morphological and physiological attributes defines the existence of different functional types within the genus, which are characteristic of specific phytoclimates. From a landscape perspective, oak forests and woodlands are threatened by many factors that can compromise their future: a limited regeneration, massive decline processes, mostly triggered by adverse climatic events or the competence with other broad-leaved trees and conifer species. The knowledge of all these facts can allow for a better management of the oak forests in the future.
Author: Reed F. Noss
Publisher: Island Press
ISBN: 161091225X
Category : Nature
Languages : en
Pages : 353
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Book Description
Forgotten Grasslands of the South is a literary and scientific case study of some of the biologically richest and most endangered ecosystems in North America. Eminent ecologist Reed Noss tells the story of how southern grasslands arose and persisted over time and addresses questions that are fundamental for conserving these vital yet poorly understood ecosystems. The author examines: the natural history of southern grasslands their origin and history (geologic, vegetation, and human) biological hotspots and endangered ecosystems physical determinants of grassland distribution, including ecology, soils, landform, and hydrology fire, herbivores, and ecological interactions. The final chapter presents a general conservation strategy for southern grasslands, including prioritization, protection, restoration, and management. Also included are examples of ongoing restoration projects, along with a prognosis for the future. In addition to offering fascinating new information about these little-studied ecosystems, Noss demonstrates how natural history is central to the practice of conservation. Natural history has been on a declining trajectory for decades, as theory and experimentation have dominated the field of ecology. Ecologists are coming to realize that these divergent approaches are in fact complementary, and that pursuing them together can bring greater knowledge and understanding of how the natural world works and how we can best conserve it. Forgotten Grasslands of the South explores the overarching importance of ecological processes in maintaining healthy ecosystems, and is the first book of its kind to apply natural history, in a modern, comprehensive sense, to the conservation of biodiversity across a broad region. It sets a new standard for scientific literature and is essential reading not only for those who study and work to conserve the grasslands of the South but also for everyone who is fascinated by the natural world.
Author: Bruce A. Stein
Publisher: Oxford University Press
ISBN: 0198028962
Category : Nature
Languages : en
Pages : 426
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Book Description
From the lush forests of Appalachia to the frozen tundra of Alaska, and from the tallgrass prairies of the Midwest to the subtropical rainforests of Hawaii, the United States harbors a remarkable array of ecosystems. These ecosystems in turn sustain an exceptional variety of plant and animal life. For species such as salamanders and freshwater turtles, the United States ranks as the global center of diversity. Among the nation's other unique biological features are California's coast redwoods, the world's tallest trees, and Nevada's Devils Hole pupfish, which survives in a single ten-by-seventy-foot desert pool, the smallest range of any vertebrate animal. Precious Heritage draws together for the first time a quarter century of information on U.S. biodiversity developed by natural heritage programs from across the country. This richly illustrated volume not only documents those aspects of U.S. biodiversity that are particularly noteworthy, but also considers how our species and ecosystems are faring, what is threatening them, and what is needed to protect the nation's remaining natural inheritance. Above all, Precious Heritage is a celebration of the extraordinary biological diversity of the United States.
Author: C. Barry Cox
Publisher: John Wiley & Sons
ISBN: 1119486319
Category : Social Science
Languages : en
Pages : 530
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Book Description
Through nine successful editions, and for over 45 years, Biogeography: An Ecological and Evolutionary Approach has provided a thorough and comprehensive exploration of the varied scientific disciplines and research that are essential to understanding the subject. The text, noted for its clear and engaging style of writing, has been praised for its solid background in historical biogeography and basic biology, that is enhanced and illuminated by discussions of current research. This new edition incorporates the exciting changes of the recent years and presents a thoughtful exploration of the research and controversies that have transformed our understanding of the biogeography of the world. New themes and topics in this tenth edition include: Next generation genetic technologies and their use in historical biogeography, phylogeography and population genomics Biogeographical databases and biodiversity information systems, which are becoming increasingly important for biogeographical research An introduction to functional biogeography and its applications to community assembly, diversity gradients and the analysis of ecosystem functioning Updated case studies focusing on island biogeography, using the latest phylogenetic studies Biogeography: An Ecological and Evolutionary Approach reveals how the patterns of life that we see today have been created by the two great Engines of the Planet: the Geological Engine, plate tectonics, which alters the conditions of life on the planet, and the Biological Engine, evolution, which responds to these changes by creating new forms and patterns of life.
Author: Francisco J. Vega
Publisher: Springer Science & Business Media
ISBN: 1402039859
Category : Science
Languages : en
Pages : 317
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Book Description
This is the first comprehensive source of information about Mexican fossils to be published in English. The book offers updated information in the fields of stratigraphy, sedimentology, tectonics, paleobiogeography, paleoclimatology and evolution. Included is an extensive bibliography of almost 1000 references related to the central topic, a tribute to two centuries of research.
