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In the past two centuries, cowbirds have increased in numbers and extended their range across North America, while many of the native songbird species whose nests they parasitize to raise their young have declined. This timely book collects forty essays by most of the principal authorities on the biology and management of cowbirds. The book's goals are to explore the biology of cowbirds, the threats they pose to host species and populations, and the management programs that are being undertaken to minimize these threats. The book is organized into five sections, each with an extended editors' introduction that places the contributions in a broad, up-to-date setting. The sections cover: ? The...
History remembers Edmund Ruffin, the Virginia native believed to have fired the first shot against Fort Sumter in 1861, as one of the South's most aggressive "fire-eaters." This volume of Ruffin's work offers us his less known but equally intense passion for agricultural study. In carefully edited selections from Ruffin's writings, Jack Temple Kirby presents an innovative, progressive agronomist and pioneering conservationist. Arranged in sections discussing southern agricultural history, Ruffin's observations of nature, his ideas about land reform, and his plans for soil rejuvenation, Nature’s Management shows that Ruffin was a thinker far ahead of his time, recognizing our need to improv...
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Before 1910 the American chestnut was one of the most common trees in the eastern United States. Although historical evidence suggests the natural distribution of the American chestnut extended across more than four hundred thousand square miles of territory—an area stretching from eastern Maine to southeast Louisiana—stands of the trees could also be found in parts of Wisconsin, Michigan, Washington State, and Oregon. An important natural resource, chestnut wood was preferred for woodworking, fencing, and building construction, as it was rot resistant and straight grained. The hearty and delicious nuts also fed wildlife, people, and livestock. Ironically, the tree that most piqued the e...
Pollination Biology reviews the state of knowledge in the field of pollination biology. The book begins by tracing the historical trends in pollination research and the development of the two styles of pollination biology. This is followed by separate chapters on the evolution of the angiosperms; the evolution of plant-breeding systems; the geographical correlations between breeding habit, climate, and mode of pollen transfer; and sexual selection in plants. Subsequent chapters examine the process of sexual selection through gametic competition in Geranium maculatum; the effects of different gene movement patterns on plant population structure; the foraging behavior of pollinators; adaptive nature of floral traits; and competitive interactions among flowering plants for pollinators. The book is designed to provide useful material for advanced undergraduate and graduate students wishing to familiarize themselves with modern pollination biology and also to provide new insights into specific problems for those already engaged in pollination research. The book is intended to be used for both teaching and research.
Within the general structure-and-process theme of this compendium, the authors have focused on either intrasite problems (those dealing with the formation and structure of a site, type of site, or type of feature) or intersite problems (those dealing with behavioral organization and process as developed from comparative site data). These papers, from a broad range of specialists, present a comprehensive study of southeastern archaeology.
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Aimed at the millions of Americans who treasure the public lands of the Blue Ridge mountains, this book presents a clear account of the environmental issues that threaten these natural areas and outlines the steps citizens must take to ensure their future.