The presence of brush in rangeland environments continually tops the list of priority issues among landowners, and not just in Texas. Whether they manage their land for livestock, hunting, or wildlife watching, what to do about unwanted woody plants remains a serious and pervasive question for landowners everywhere. In the pages of this book, leading range management professionals introduce and explain not only the mechanisms of managing brush but also the changes in management philosophy and technology that have taken place over time. From the futile attempts at eradication to the successes of integrated brush management, expert practitioners examine mechanical, biological, chemical, and fire-related methods from three perspectives—the past, the present or “state-of-the-art,” and the future. In a final discussion, three specialists address the timely and important subject of brush management as it relates to water yield, economics, and wildlife. Brush Management: Past, Present, Future gives readers a straightforward and comprehensive view of a topic that remains a consistent concern for livestock, wildlife, and land management—one that will serve as a useful and interesting summary of the subject for teachers, students, landowners, and management professionals.
There has been a recent explosion of research incorporating a spatial dimension in environmental and natural resource economics, where the spatial aspects of human behaviour or the natural environment make a crucial difference in the analysis and policy response to the problem. Much of this research has been driven by the growing availability of spatially explicit social science data and the development of tools and methodological advances to use these data. Collected in this volume are 24 key articles considering the reasons for spatial variation in policies, due to either efficiency or equity considerations, and the consequences of that spatial variation for both environmental and economic outcomes. These articles demonstrate that the failure to address spatial issues in the analysis can create two problems: (1) the analysis provides a poor basis for predicting actual behaviour that is specifically based upon spatial considerations, and (2) the analysis fails to provide a basis for designing spatially targeted policies that could lead to more efficient outcomes.
How do people think about their identities? How do they express themselves individually and as part of collective groups, social movements, organizations, neighborhoods, or nations? Identity has important consequences for how we organize our lives, wield social power, and produce and reproduce privilege and marginality. In this lively and engaging book, Wayne H. Brekhus explores the sociology of identity and its social consequences through three conceptual themes: authenticity, multidimensionality, and mobility. Drawing on vivid examples from ethnography, current events, and everyday life, he offers an approach to identity that goes beyond the individual and demonstrates how social groups privilege, flag, and shape identities. Offering an insightful overview of the sociological approaches to understanding social identity in a multicultural, globalized world, The Sociology of Identity will be a welcome resource for students and scholars of identity, and anyone interested in the social and cultural character of the self.
A rotorcraft is a class of aircraft that uses large-diameter rotating wings to accomplish efficient vertical take-off and landing. The class encompasses helicopters of numerous configurations (single main rotor and tail rotor, tandem rotors, coaxial rotors), tilting proprotor aircraft, compound helicopters, and many other innovative configuration concepts. Aeromechanics covers much of what the rotorcraft engineer needs: performance, loads, vibration, stability, flight dynamics, and noise. These topics include many of the key performance attributes and the often-encountered problems in rotorcraft designs. This comprehensive book presents, in depth, what engineers need to know about modelling rotorcraft aeromechanics. The focus is on analysis, and calculated results are presented to illustrate analysis characteristics and rotor behaviour. The first third of the book is an introduction to rotorcraft aerodynamics, blade motion, and performance. The remainder of the book covers advanced topics in rotary wing aerodynamics and dynamics.
The presence of brush in rangeland environments continually tops the list of priority issues among landowners, and not just in Texas. Whether they manage their land for livestock, hunting, or wildlife watching, what to do about unwanted woody plants remains a serious and pervasive question for landowners everywhere. In the pages of this book, leading range management professionals introduce and explain not only the mechanisms of managing brush but also the changes in management philosophy and technology that have taken place over time. From the futile attempts at eradication to the successes of integrated brush management, expert practitioners examine mechanical, biological, chemical, and fire-related methods from three perspectives—the past, the present or “state-of-the-art,” and the future. In a final discussion, three specialists address the timely and important subject of brush management as it relates to water yield, economics, and wildlife. Brush Management: Past, Present, Future gives readers a straightforward and comprehensive view of a topic that remains a consistent concern for livestock, wildlife, and land management—one that will serve as a useful and interesting summary of the subject for teachers, students, landowners, and management professionals.
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