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Showing 1 - 3 of 3 matches in All Departments
The recent discovery of diverse fossil flowers and floral organs in Cretaceous strata has revealed astonishing details about the structural and systematic diversity of early angiosperms. Exploring the rich fossil record that has accumulated over the last three decades, this is a unique study of the evolutionary history of flowering plants from their earliest phases in obscurity to their dominance in modern vegetation. The discussion provides comprehensive biological and geological background information, before moving on to summarise the fossil record in detail. Including previously unpublished results based on research into Early and Late Cretaceous fossil floras from Europe and North America, the authors draw on direct palaeontological evidence of the pattern of angiosperm evolution through time. Synthesising palaeobotanical data with information from living plants, this unique book explores the latest research in the field, highlighting connections with phylogenetic systematics, structure and the biology of extant angiosperms.
This book was originally published in 1989. The dramatic radiation of the angiosperms towards the end of the Early Cretaceous initiated major changes in terrestrial ecosystems throughout the world. Dramatic changes in the flora and fauna were exemplified by the development of angiosperm-dominated plant communities and the rapid diversification of mammals, birds and insects. Written specifically for use by advanced undergraduate and graduate students, the book presents an overview of works on the origins of angiosperms and the ecological effects upon terrestrial life of their rapid radiation. It will be of particular value to students of palaeobiology and ecology, as well as to those studying evolutionary biology and systematics.
Winner of the Illinois State Historical Society Outstanding Achievement Award Efforts to preserve wild places in the United States began with the allure of scenic grandeur: Yosemite, Yellowstone, the Grand Canyon. But what about the many significant natural sites too small or fragile to qualify as state or federal parks? Force of Nature reveals how George Fell initiated the natural areas movement to save those areas. Fell transformed a loose band of ecologists into The Nature Conservancy, drove the passage of the influential Illinois Nature Preserves Act, and helped spark allied local and national conservation organizations in the United States and beyond.
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