The first comprehensive treatment of North American rodents of conservation concern. This action plan summarizes the rodent fauna of North America and provides available information on every rodent taxon that has been considered to be of conservation concern by state, provincial and private conservation agencies and regional experts. It is hoped that the survey provided in this action plan will serve as a common ground for all these parties in drawing up conservation strategies for rodents.
With this book, published more than a half-century ago, Aldo Leopold created the discipline of wildlife management. Although A Sand Country Almanac is doubtless Leopold’s most popular book, Game Management may well be his most important. In this book he revolutionized the field of conservation.
Explore the early days of Paleoindian archaeology in this engaging retrospective of Edgar B. Howard's Southwest Early Man Project, 1929-1937, cosponsored by the University Museum and the Academy of Natural Sciences of Philadelphia. This book contains a detailed analysis of the world-famous Clovis artifacts, discovered among the bones of mammoths and extinct bison in the Dust Bowl of eastern New Mexico. Blending traditional and current ideas, the authors offer an extended reference to the lifeways of early humans in the Americas, accented by a series of unique insights on their origins and adaptations. Well appointed with photos, line illustrations, and schematics, Clovis Revisited is essential reading for professionals, students, and avocational enthusiasts.
Geodesy is the science of accurately measuring and understanding three fundamental properties of Earth: its geometric shape, its orientation in space, and its gravity field, as well as the changes of these properties with time. Over the past half century, the United States, in cooperation with international partners, has led the development of geodetic techniques and instrumentation. Geodetic observing systems provide a significant benefit to society in a wide array of military, research, civil, and commercial areas, including sea level change monitoring, autonomous navigation, tighter low flying routes for strategic aircraft, precision agriculture, civil surveying, earthquake monitoring, forest structural mapping and biomass estimation, and improved floodplain mapping. Recognizing the growing reliance of a wide range of scientific and societal endeavors on infrastructure for precise geodesy, and recognizing geodetic infrastructure as a shared national resource, this book provides an independent assessment of the benefits provided by geodetic observations and networks, as well as a plan for the future development and support of the infrastructure needed to meet the demand for increasingly greater precision. Precise Geodetic Infrastructure makes a series of focused recommendations for upgrading and improving specific elements of the infrastructure, for enhancing the role of the United States in international geodetic services, for evaluating the requirements for a geodetic workforce for the coming decades, and for providing national coordination and advocacy for the various agencies and organizations that contribute to the geodetic infrastructure.
As Richard I. Ford explains in his preface to this volume, the 1980s saw an “explosive expansion of our knowledge about the variety of cultivated and domesticated plants and their history in aboriginal America.” This collection presents research on prehistoric food production from Ford, Patty Jo Watson, Frances B. King, C. Wesley Cowan, Paul E. Minnis, and others.
In midwestern Bolivia stands Kaata, a sacred mountain. In a thousand-year tradition, a small community of men and women diviners has lived on its slopes. The symbolism of Mt. Kaata and its rituals provide deep insight into Andean society. With a wonderful blend of personal narrative, rich description, and theoretical presentation, the author sheds new light on the previously misinterpreted Bolivian Indians and their ancient Andean religion, rich in symbolism and ritual.
