Ecology is characterized by a rapidly growing complexity and diversity of facts, aspects, examples, and observations. What is badly needed is the development of common patterns, of rules that, as in other sciences such as physics, can more generally explain the increasing complexity and variability we observe. Tom White, being one of the "seniors" in ecology, makes such an attempt in his book. the pattern he shows and explains with numerous examples from the entire animal kingdom is a universal hunger for nitrogen, a misery that drives the ecology of all organisms. He advocates that the awareness of this fundamental role that the limitation of nitrogen plays in the ecology of all organisms should be as a much part of each ecologis's intellectual equipment as is the awareness of the fact of evolution by means of natural selection. His claim is that not "enery" but "nitrogen" is the most limited "currency" in the animal world for the production and growth of their young.
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Ecology is characterized by a rapidly growing complexity and diversity of facts, aspects, examples, and observations. What is badly needed is the development of common patterns, of rules that, as in other sciences such as physics, can more generally explain the increasing complexity and variability we observe. Tom White, being one of the "seniors" in ecology, makes such an attempt in his book. the pattern he shows and explains with numerous examples from the entire animal kingdom is a universal hunger for nitrogen, a misery that drives the ecology of all organisms. He advocates that the awareness of this fundamental role that the limitation of nitrogen plays in the ecology of all organisms should be as a much part of each ecologis's intellectual equipment as is the awareness of the fact of evolution by means of natural selection. His claim is that not "enery" but "nitrogen" is the most limited "currency" in the animal world for the production and growth of their young.
The theory explored in this book contends that animals are not controlled through predation but because they cannot obtain enough of the food they must have to reproduce and grow. This book explains how this comes about in nature and describes some of the ways in which animals have evolved to cope.
Reflects exact and heuristic methods of scheduling techniques suitable for creating customized sequencing and scheduling systems for flexible manufacturing, project management, group and cellular manufacturing operations. Summarizes complex computational studies demonstrating how they work in practice. Contains new theories and techniques developed by the author. Includes a software disk to reinforce and practice the methods described.
Now in its Third Edition, this popular volume in the Master Techniques in Orthopaedic Surgery Series combines the step-by-step procedural guidance that readers have come to trust with new and updated discussions of specific procedures. The text’s how-to format helps readers face the challenges of spinal surgery with confidence.
The SCM -- The "whys" of SCM's women leaders -- SCM committee women -- SCM general and assistant general secretaries -- Introducing the traveling secretary -- The ministry of the traveling secretary -- SCM short and long term pioneers -- SCM targeted student group pioneers -- Scm "warp and woof" pioneers -- SCM conference speakers -- SCM ecumenical pioneers -- SCM intellectual pioneers (biblical criticism and the social sciences) -- SCM social gospel pioneers -- SCM woman's movement pioneers (definition and causes) -- SCM woman's movement pioneers (benefits) -- Final thoughts
First Published in 1988, this five volume set documents the transmission and growth of Arthropod born viruses. Carefully compiled and filled with a vast repertoire of notes, diagrams, and references this book serves as a useful reference for Students of Epidemiology, and other practitioners in their respective fields.
As only a few books have been published on the matter of toxic materials in water it occurred to the author that a comprehensive volume dealing with all aspects of this subject was overdue. In this book there is a complete discussion of world literature on the determination of metals, non-metals, organic substances, organometallic com pounds, together with organic carbon parameters and radioactive elements in river, stream, lake and pond sediments, marine and estuarine sediments, river and sea fish, crustacea and molluscs, phytoplankton and sea and river weeds. Much very detailed work has been carried out on this subject over the past 20 years and a review of this work is timely in view of the increasing interest to chemists, environmentalists and others concerned with the quality of our environ ment. The presence of organic and inorganic substances in river and oceanic sediments is due in part to man-made pollution, and monitoring the levels of these substances in sediment and sediment core samples provides an indication of the time dependence of element concentration over large time spans. Contamination of sediments is found not only in rivers but also in estuarine sediments and sometimes in oceanic sedi ments, and this sediment analysis provides a means of tracking elements from their sources through the ecosystem.
More than a century ago, John Dewey challenged the education community to look to civic involvement for the betterment of both community and campus. Today, the challenge remains. In his landmark book, editor Thomas Ehrlich has collected essays from national leaders who have focused on civic responsibility and higher education. Imparting both philosophy and working examples, Ehrlich provides the inspiration for innovative new programs in this essential area of learning.
If you are a researcher in organic chemistry, chemical engineering, pharmaceutical science, forensics, or environmental science, you make routine use of chemical analysis. And like its best-selling predecessor was, the Handbook of Basic Tables for Chemical Analysis, Second Edition is your one-stop source for the information needed to design chemica
Development of the Nervous System presents a broad and basic treatment of the established and evolving principles of neural development as exemplified by key experiments and observations from past and recent times. The text is organized ontogenically. It begins with the emergence of the neural primordium and takes a chapter-by-chapter approach in succeeding events in neural development: patterning and growth of the nervous system, neuronal determination, axonal navigation and targeting, neuron survival and death, synapse formation and developmental plasticity. Finally, in the last chapter, with the construction phase nearing completion, we examine the emergence of behavior. This new edition reflects the complete modernization of the field that has been achieved through the intensive application of molecular, genetic, and cell biological approaches. It is richly illustrated with color photographs and original drawings. Combined with the clear and concise writing, the illustrations make this a book that is well suited to students approaching this intriguing field for the first time. Thorough survey of the field of neural development Concise but complete, suitable for a one semester course on upper level undergraduate or graduate level Focus on fundamental principles of organogenesis in the nervous system Integrates information from a variety of model systems, relating them to human nervous system development, including disorders of development Systematically develops knowledge from the description of key experiments and results Organized ontologically Carefully edited to be presented in one voice New edition thoroughly updated and revised to include major new findings All figures in full color, updated and revised Specific attention on revising the chapter on cognitive and behavioral development to provide a foundation and outlook towards those very fast moving areas Instructor website with figure bank and test questions
Small Animal Diagnostic Ultrasound outlines the basic physical principles of ultrasound, as well as imaging artifacts and the use of ultrasonography, in a logical body-systems approach. This second edition is completely revised and up-to-date, detailing current developments in ultrasonography. Two completely new chapters on thoracic and musculoskeletal ultrasound, as well as revised coverage of cardiology, CT/MR, and the reproductive system make this edition even more useful and clinically relevant. Full-color illustrations and color Doppler images of abdominal organs enhance and clarify discussions in the text.
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