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Excerpt from Variation Among Healthy and Deteriorating Aspen Clones Previously, Schier (1975) described the general pattern of deterioration in western aspen (populus tremuloides Poorly stocked deteriorating clones were found growing adjacent to well-stocked mature healthy clones. The occurrence of deteriorating and healthy clones on similar sites indicated that the age at which aspen ramets begin to die is genetically controlled. It was noted that deteriorating clones were visually distinguishable from healthy ones. Their stems tended to be shorter and branchier, and to have poorer form than the stems of healthy clones. Thus it appeared that the longevity of aspen ramets was correlated with various morphological characteristics. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
This book is a printed edition of the Special Issue "Forest Pathology and Plant Health" that was published in Forests
Raising hopes for disease treatment and prevention, but also the specter of discrimination and "designer genes," genetic testing is potentially one of the most socially explosive developments of our time. This book presents a current assessment of this rapidly evolving field, offering principles for actions and research and recommendations on key issues in genetic testing and screening. Advantages of early genetic knowledge are balanced with issues associated with such knowledge: availability of treatment, privacy and discrimination, personal decision-making, public health objectives, cost, and more. Among the important issues covered: Quality control in genetic testing. Appropriate roles for public agencies, private health practitioners, and laboratories. Value-neutral education and counseling for persons considering testing. Use of test results in insurance, employment, and other settings.
This best-selling majors ecology book continues to present ecology as a series of problems for readers to critically analyze. No other text presents analytical, quantitative, and statistical ecological information in an equally accessible style. Reflecting the way ecologists actually practice, the book emphasizes the role of experiments in testing ecological ideas and discusses many contemporary and controversial problems related to distribution and abundance. Throughout the book, Krebs thoroughly explains the application of mathematical concepts in ecology while reinforcing these concepts with research references, examples, and interesting end-of-chapter review questions. Thoroughly updated with new examples and references, the book now features a new full-color design and is accompanied by an art CD-ROM for instructors. The field package also includes The Ecology Action Guide, a guide that encourages readers to be environmentally responsible citizens, and a subscription to The Ecology Place (www.ecologyplace.com), a web site and CD-ROM that enables users to become virtual field ecologists by performing experiments such as estimating the number of mice on an imaginary island or restoring prairie land in Iowa. For college instructors and students.
The Handbook of Health Social Work provides a comprehensive and evidence-based overview of contemporary social work practice in health care. Written from a wellness perspective, the chapters cover the spectrum of health social work settings with contributions from a wide range of experts. The resulting resource offers both a foundation for social work practice in health care and a guide for strategy, policy, and program development in proactive and actionable terms. Three sections present the material: The Foundations of Social Work in Health Care provides information that is basic and central to the operations of social workers in health care, including conceptual underpinnings; the development of the profession; the wide array of roles performed by social workers in health care settings; ethical issues and decision - making in a variety of arenas; public health and social work; health policy and social work; and the understanding of community factors in health social work. Health Social Work Practice: A Spectrum of Critical Considerations delves into critical practice issues such as theories of health behavior; assessment; effective communication with both clients and other members of health care teams; intersections between health and mental health; the effects of religion and spirituality on health care; family and health; sexuality in health care; and substance abuse. Health Social Work: Selected Areas of Practice presents a range of examples of social work practice, including settings that involve older adults; nephrology; oncology; chronic diseases such as diabetes, heart disease, and HIV/AIDS; genetics; end of life care; pain management and palliative care; and alternative treatments and traditional healers. The first book of its kind to unite the entire body of health social work knowledge, the Handbook of Health Social Work is a must-read for social work educators, administrators, students, and practitioners.
The processing of fruits continues to undergo rapid change. In the Handbook of Fruits and Fruit Processing, Dr. Y.H. Hui and his editorial team have assembled over forty respected academicians and industry professionals to create an indispensable resource on the scientific principles and technological methods for processing fruits of all types. The book describes the processing of fruits from four perspectives: a scientific basis, manufacturing and engineering principles, production techniques, and processing of individual fruits. A scientific knowledge of the horticulture, biology, chemistry, and nutrition of fruits forms the foundation. A presentation of technological and engineering principles involved in processing fruits is a prelude to their commercial production. As examples, the manufacture of several categories of fruit products is discussed. The final part of the book discusses individual fruits, covering their harvest to a finished product in a retail market. As a professional reference book replete with the latest research or as a practical textbook filled with example after example of commodity applications, the Handbook of Fruits and Fruit Processing is the current, comprehensive, yet compact resource ideal for the fruit industry.
This comprehensive text addresses all of the subjects that a reader who is new to the field will need to know and will be a welcome reference for practitioners at all levels. It includes a history of the discipline, biological and ecological background, principles of the field, basic scientific information on the structure and growth of trees, the complete range of dendrochronology methods, and a full description of each of the relevant subdisciplines.
Over the past fifteen years, people in low- and middle-income countries have experienced a health revolution—one that has created new opportunities and brought new challenges. It is a revolution that keeps mothers and babies alive, helps children grow, and enables adults to thrive. Millions Saved: New Cases of Proven Success in Global Health chronicles the global health revolution from the ground up, showcasing twenty-two local, national, and regional health programs that have been part of this global change. The book profiles eighteen remarkable cases in which large-scale efforts to improve health in low- and middle-income countries succeeded, and four examples of promising interventions that fell short of their health targets when scaled-up in real world conditions. Each case demonstrates how much effort—and sometimes luck—is required to fight illness and sustain good health. The cases are grouped into four main categories, reflecting the diversity of strategies to improve population health in low-and middle-income countries: rolling out medicines and technologies; expanding access to health services; targeting cash transfers to improve health; and promoting population-wide behavior change to decrease risk. The programs covered also come from various regions around the world: seven from sub-Saharan Africa, six from Latin America and the Caribbean, five from East and Southeast Asia, and four from South Asia.
The big stories -- The skills of the new machines : technology races ahead -- Moore's law and the second half of the chessboard -- The digitization of just about everything -- Innovation : declining or recombining? -- Artificial and human intelligence in the second machine age -- Computing bounty -- Beyond GDP -- The spread -- The biggest winners : stars and superstars -- Implications of the bounty and the spread -- Learning to race with machines : recommendations for individuals -- Policy recommendations -- Long-term recommendations -- Technology and the future (which is very different from "technology is the future").
Steve details his descent from bright star to burnout in this newly repackaged edition of the definitive, highly acclaimed novel from the creator of Veronica Mars and Party Down. Houston, sophomore year: Steve is on top of the world. He and his friends are the talk of the school. He’s in love with a terrific girl. He can even deal with “the astronaut”—a world-famous hero who happens to be his father. San Diego, senior year: Steve is bummed out, drugged out, flunking out. A no-nonsense counselor says he can graduate if he writes a 100-page paper. So Steve starts writing, and as the paper becomes more and more personal, he reveals how a National Merit Scholar has become an under-achieving stoner. And in telling how he got to where he is, Steve discovers how to get to where he wants to be.