Language : English
Published : 2017-11-09
Pages : 344
Applying Graph Theory in Ecological Research
Graph theory can be applied to ecological questions in many ways, and more insights can be gained by expanding the range of graph theoretical concepts applied to a specific system. But how do you know which methods might be used? And what do you do with the graph once it has been obtained? This book provides a broad introduction to the application of graph theory in different ecological systems, providing practical guidance for researchers in ecology and related fields. Readers are guided through the creation of an appropriate graph for the system being studied, including the application of spatial, spatio-temporal, and more abstract structural process graphs. Simple figures accompany the explanations to add clarity, and a broad range of ecological phenomena from many ecological systems are covered. This is the ideal book for graduate students and researchers looking to apply graph theoretical methods in their work.
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Encyclopedia of Agriculture and Food Systems, Second Edition addresses important issues by examining topics of global agriculture and food systems that are key to understanding the challenges we face. Questions it addresses include: * Will we be able to produce enough food to meet the increasing dietary needs and wants of the additional two billion people expected to inhabit our planet by 2050?* Will we be able to meet the need for so much more food while simultaneously reducing adverse environmental effects of today’s agriculture practices?* Will we be able to produce the additional food using less land and water than we use now? These are among the most important challenges that face our planet in the coming decades. The broad themes of food systems and people, agriculture and the environment, the science of agriculture, agricultural products, and agricultural production systems are covered in more than 200 separate chapters of this work. The book provides information that serves as the foundation for discussion of the food and environment challenges of the world. An international group of highly respected authors addresses these issues from a global perspective and provides the background, references, and linkages for further exploration of each of topics of this comprehensive work. * Addresses important challenges of sustainability and efficiency from a global perspective.* Takes a detailed look at the important issues affecting the agricultural and food industries today.* Full colour throughout.
About the Author
Neal Van Alfen is professor of plant pathology at UC Davis. His research focuses on fungal molecular biology with the goal of controlling plant diseases using low-input, sustainable methods such as biological control using fungal viruses. He also has expertise on the effects of air pollution on environmental health, having served as a consultant to industry in this area for 15 years. An elected fellow of the American Association for the Advancement of Science and the American Phytopathological Society, Van Alfen serves, or has served, on numerous national and international committees and boards, including the Binational Agricultural Research and Development Foundation, a foundation that supports about $ 8 million per year in research for Israeli and U.S. scientists. He is editor of the Annual Review of Phytopathology, the editor-in-chief of the Encyclopedia of Agriculture and Food Systems, and on the editorial board of Journal of Integrative Agriculture, the leading agricultural journal of China. He served as president of the American Phytopathological Society, was member-at-large of the Section on Agriculture, Food, and Renewable Resources of the American Association for the Advancement of Science, chaired the National Agricultural Biotechnology Council, chaired the Administrative Heads Section of the American Public and Land Grant Universities. Van Alfen served as dean of the College of Agricultural and Environmental Sciences, UC Davis from 1999 – 2012 during which he led a three-fold increase of extramural research support per faculty member, created a number of research and outreach centers and institutes, including the Agricultural Sustainability Institute, the Robert Mondavi Institute for Wine and Food Science, and the Center for Produce Safety. He led fund raising efforts that resulted in creation of 14 new endowed chairs for faculty and resulted in the construction of a $ 100 million academic center for food and beverage research and education. The UC Davis agricultural, food and environmental science programs are routinely ranked among the best in the world. He previously served as head of the Department of Plant Pathology and Microbiology, Texas A&M University; professor of biology and molecular biology and biochemistry and Cooperative Extension Specialist, Utah State University; and plant pathology research scientist, Connecticut Agricultural Experiment Station, New Haven. Prior to earning a doctoral degree in plant pathology from UC Davis, Van Alfen earned bachelor’s (chemistry) and master’s (botany) degrees from Brigham Young University.
The idea that life is a cosmic, rather than a purely terrestrial phenomenon, has progressed from scientific heresy to mainstream science within the short timespan of a few decades. The theory of cometary panspermia developed by Fred Hoyle and the present author in the 1970’s has been vindicated by a spate of new discoveries in astronomy and biology, and also with startling new evidence of microbial fossils in meteorites and micrometeorites. The recent Kepler Telescope searches for exoplanets have indicated the presence of over 100 billion habitable planets separated by only a few light years, thus making panspermia and the transfer of microbial life between such planets an inevitable fact. The book presents a comprehensive and up-to-date account of the Hoyle-Wickramasinghe theory of cometary panspermia in a manner accessible to a wide general readership.
Molecular Plant Immunity provides an integrated look at both well-established and emerging concepts in plant disease resistance providing the most current information on this important vitally important topic within plant biology. Understanding the molecular basis of the plant immune system has implications on the development of new varieties of sustainable crops, understanding the challenges plant life will face in changing environments, as well as providing a window into immune function that could have translational appeal to human medicine.
Molecular Plant Immunity opens with chapters reviewing how the first line of plant immune response is activated followed by chapters looking at the molecular mechanisms that allow fungi, bacteria, and oomycetes to circumvent those defenses. Plant resistance proteins, which provide the second line of plant immune defense, are then covered followed by chapters on the role of hormones in immunity and the mechanisms that modulate specific interaction between plants and viruses. The final chapters look at model plant-pathogen systems to review interaction between plants and fungal, bacterial, and viral pathogens.
Written by a leading team of international experts, Molecular Plant Immunity will provide a needed resource to diverse research community investigated plant immunity.
About the Author
Guido Sessa is Associate Professor of Molecular Plant Pathology in the Department of Molecular Biology and Ecology of Plants at Tel-Aviv University, Tel-Aviv, Israel.
From climate change to farming systems to genetic modification of organisms, Crop Physiology, Second Edition provides a practical tool for understanding the relationships and challenges of successful cropping. With a focus on genetic improvement and agronomy, this book addresses the challenges of environmentally sound production of bulk and quality food, fodder, fiber, and energy which are of ongoing international concern. The second edition of Crop Physiology continues to provide a unique analysis of these topics while reflecting important changes and advances in the relevant science and implementation systems. Contemporary agriculture confronts the challenge of increasing demand in terms of quantitative and qualitative production targets. These targets have to be achieved against the background of soil and water scarcity, worldwide and regional shifts in the patterns of land use driven by both climate change and the need to develop crop-based sources of energy, and the environmental and social aspects of agricultural sustainability. * Provides a view of crop physiology as an active source of methods, theories, ideas, and tools for application in genetic improvement and agronomy* Written by leading scientists from around the world* Combines environment-specific cropping systems and general principles of crop science to appeal to advanced students, and scientists in agriculture-related disciplines, from molecular sciences to natural resources management.