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Extinction and Radiation

Extinction and Radiation PDF Author: J. David Archibald
Publisher: JHU Press
ISBN: 0801898056
Category : Nature
Languages : en
Pages : 121

Book Description
This study identifies the fall of dinosaurs as the factor that allowed mammals to evolve into the dominant tetrapod form. It refutes the single-cause impact theory for dinosaur extinction and demonstrates that multiple factors--massive volcanic eruptions, loss of shallow seas, and extraterrestrial impact--likely led to their demise. While their avian relatives ultimately survived and thrived, terrestrial dinosaurs did not. Taking their place as the dominant land and sea tetrapods were mammals, whose radiation was explosive following nonavian dinosaur extinction. The author argues that because of dinosaurs, Mesozoic mammals changed relatively slowly for 145 million years compared to the prodigious Cenozoic radiation that followed. Finally out from under the shadow of the giant reptiles, Cenozoic mammals evolved into the forms we recognize today in a mere ten million years after dinosaur extinction.

Extinction and Radiation

Extinction and Radiation PDF Author: J. David Archibald
Publisher: JHU Press
ISBN: 0801898056
Category : Nature
Languages : en
Pages : 121

Book Description
This study identifies the fall of dinosaurs as the factor that allowed mammals to evolve into the dominant tetrapod form. It refutes the single-cause impact theory for dinosaur extinction and demonstrates that multiple factors--massive volcanic eruptions, loss of shallow seas, and extraterrestrial impact--likely led to their demise. While their avian relatives ultimately survived and thrived, terrestrial dinosaurs did not. Taking their place as the dominant land and sea tetrapods were mammals, whose radiation was explosive following nonavian dinosaur extinction. The author argues that because of dinosaurs, Mesozoic mammals changed relatively slowly for 145 million years compared to the prodigious Cenozoic radiation that followed. Finally out from under the shadow of the giant reptiles, Cenozoic mammals evolved into the forms we recognize today in a mere ten million years after dinosaur extinction.

Major Evolutionary Radiations

Major Evolutionary Radiations PDF Author: Paul D. Taylor
Publisher: Clarendon Press
ISBN:
Category : Language Arts & Disciplines
Languages : en
Pages : 464

Book Description
This unique volume takes a close look at patterns of evolutionary change responsible for the astounding diversity of life and the major radiations seen in many taxonomic groups. Evidence from the fossil record shows that this process has not occurred at an even rate. Rather, relatively short but highly active periods of evolution have yielded the multiplication of species and morphological divergences, such as the emergence of flowering plants during the late Cretaceous. The contributors to this work, all recognized authorities in their fields, discuss general aspects of major radiations, and then focus on evolution in taxonomic groups with ample fossil records. The book is an important complement to the literature of extinction and paleontology, and will be read with interest by paleontologists and evolutionary biologists alike.

Events of Increased Biodiversity

Events of Increased Biodiversity PDF Author: Pascal Neige
Publisher: Elsevier
ISBN: 0081004745
Category : Nature
Languages : en
Pages : 152

Book Description
The fossil record offers a surprising image: that of evolutionary radiations characterized by intense increases in cash or by the sudden diversification of a single species group, while others stagnate or die out. In a modern world, science carries an often pessimistic message, surrounded by studies of global warming and its effects, extinction crisis, emerging diseases and invasive species. This book fuels frequent "optimism" of the sudden increase in biodiversity by exploring this natural phenomenon. Events of Increased Biodiversity: Evolutionary Radiations in the Fossil Record explores this natural phenomenon of adaptive radiation including its effect on the increase in biodiversity events, their contribution to the changes and limitations in the fossil record, and examines the links between ecology and paleontology’s study of radiation. Details examples of evolutionary radiations Explicitly addresses the effect of adaptation driven by ecological opportunity Examines the link between ecology and paleontology’s study of adaptive radiation

Mass Extinction and Adaptive Radiation in Lizards and Snakes

Mass Extinction and Adaptive Radiation in Lizards and Snakes PDF Author: Catherine G. Klein
Publisher:
ISBN:
Category :
Languages : en
Pages : 0

Book Description


Infrared Heating for Food and Agricultural Processing

Infrared Heating for Food and Agricultural Processing PDF Author: Zhongli Pan
Publisher: CRC Press
ISBN: 1439858578
Category : Technology & Engineering
Languages : en
Pages : 323

Book Description
It’s been nearly 40 years since the last book on infrared heating for food processing was published, and in the meantime, the field has seen significant progress in understanding the mechanism of the infrared (IR) heating of food products and interactions between IR radiation and food components. Infrared Heating for Food and Agricultural Processing presents the latest applications of IR heating technology, focusing on thermal processing of food and agricultural products. Coverage Ranges from Fundamentals to Economic Benefits With an emphasis on novel application, the text includes chapters that address such topics as: Infrared heating system design Drying Blanching Baking Thawing Pest management Food safety improvement Where applicable, this readily accessible guide reviews case studies to address specific industrial issues and the economic benefits of IR heating. Infrared Heating for Food and Agricultural Processing is a well-organized resource for food processing engineers and also quality control and safety managers in food processing and food manufacturing operations.

Scatter, Adapt, and Remember

Scatter, Adapt, and Remember PDF Author: Annalee Newitz
Publisher:
ISBN: 9780804127301
Category : Extinction (Biology)
Languages : en
Pages :

Book Description
-- Homo sapiensIt's a frightening prospect, as each of the Earth's past major disasters--from meteor strikes to bombardment by cosmic radiation--resulted in a mass extinction, where more than 75 percent of the planet's species died out. But in -- Scatter, Adapt, and Remember is a compelling voice of hope. It leads us away from apocalyptic thinking into a future where we live to build a better world--on this planet and perhaps on others. Readers of this book will be equipped scientifically, intellectually, and emotionally to face whatever the future holds.

Aerosol Science

Aerosol Science PDF Author: Ian Colbeck
Publisher: John Wiley & Sons
ISBN: 1119977924
Category : Science
Languages : en
Pages : 522

Book Description
AEROSOL SCIENCE TECHNOLOGY AND APPLICATIONS Aerosols influence many areas of our daily life. They are at the core of environmental problems such as global warming, photochemical smog and poor air quality. They can also have diverse effects on human health, where exposure occurs in both outdoor and indoor environments. However, aerosols can have beneficial effects too; the delivery of drugs to the lungs, the delivery of fuels for combustion and the production of nanomaterials all rely on aerosols. Advances in particle measurement technologies have made it possible to take advantage of rapid changes in both particle size and concentration. Likewise, aerosols can now be produced in a controlled fashion. Reviewing many technological applications together with the current scientific status of aerosol modelling and measurements, this book includes: Satellite aerosol remote sensing The effects of aerosols on climate change Air pollution and health Pharmaceutical aerosols and pulmonary drug delivery Bioaerosols and hospital infections Particle emissions from vehicles The safety of emerging nanomaterials Radioactive aerosols: tracers of atmospheric processes With the importance of this topic brought to the public's attention after the eruption of the Icelandic volcano Eyjafjallajökull, this book provides a timely, concise and accessible overview of the many facets of aerosol science.

Atmospheric Chemistry and Physics

Atmospheric Chemistry and Physics PDF Author: John H. Seinfeld
Publisher: John Wiley & Sons
ISBN: 1118947401
Category : Science
Languages : en
Pages : 1146

Book Description
Expanded and updated with new findings and new features New chapter on Global Climate providing a self-contained treatment of climate forcing, feedbacks, and climate sensitivity New chapter on Atmospheric Organic Aerosols and new treatment of the statistical method of Positive Matrix Factorization Updated treatments of physical meteorology, atmospheric nucleation, aerosol-cloud relationships, chemistry of biogenic hydrocarbons Each topic developed from the fundamental science to the point of application to real-world problems New problems at an introductory level to aid in classroom teaching

Radiative Heat Transfer in Turbulent Combustion Systems

Radiative Heat Transfer in Turbulent Combustion Systems PDF Author: Michael F. Modest
Publisher: Springer
ISBN: 3319272918
Category : Science
Languages : en
Pages : 151

Book Description
This introduction reviews why combustion and radiation are important, as well as the technical challenges posed by radiation. Emphasis is on interactions among turbulence, chemistry and radiation (turbulence-chemistry-radiation interactions – TCRI) in Reynolds-averaged and large-eddy simulations. Subsequent chapters cover: chemically reacting turbulent flows; radiation properties, Reynolds transport equation (RTE) solution methods, and TCRI; radiation effects in laminar flames; TCRI in turbulent flames; and high-pressure combustion systems. This Brief presents integrated approach that includes radiation at the outset, rather than as an afterthought. It stands as the most recent developments in physical modeling, numerical algorithms, and applications collected in one monograph.

International Workshop of the Wheat Yield Consortium, 3. Proceedings; CENEB, CIMMYT. Cd. Obregon, Sonora (Mexico); 5-7 Mar 2013

International Workshop of the Wheat Yield Consortium, 3. Proceedings; CENEB, CIMMYT. Cd. Obregon, Sonora (Mexico); 5-7 Mar 2013 PDF Author: Reynolds, M.P.
Publisher: CIMMYT
ISBN:
Category :
Languages : en
Pages : 100

Book Description