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Author: James H. Speer Publisher: University of Arizona Press ISBN: 0816526850 Category : Science Languages : en Pages : 360
Book Description
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.
Author: James H. Speer Publisher: University of Arizona Press ISBN: 0816526850 Category : Science Languages : en Pages : 360
Book Description
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.
Author: Dennis S. Hill Publisher: Springer Science & Business Media ISBN: 9401153485 Category : Technology & Engineering Languages : en Pages : 400
Book Description
In the last few decades there has been an ever-increasing component in most BSc Zoology degree courses of cell biology, physiology and genetics, for spectacular developments have taken place in these fields. Some aspects of biotechnology are now also being included. In order to accommodate the new material, the old zoology courses were altered and the traditional two-year basis of systematics of the animal kingdom, comparative anatomy (and physiology) and evolution, was either severely trimmed or reduced and presented in an abridged form under another title. Soon after these course alterations came the swing to modular teaching in the form of a series of shorter, separate courses, some of which were optional. The entire BSc degree course took on a different appearance and several different basic themes became possible. One major result was that in the great majority of cases taxonomy and systematics were no longer taught and biology students graduated without this basic training. We field biologists did appreciate the rising interest in ecology and environ mental studies, but at the same time lamented the shortage of taxonomic skills, so that often field work was based on incorrect identifications. For years many of us with taxonomic inclinations have been bedevilled by the problem of teaching systematics to undergraduates. At a guess, maybe only 5% of students find systematics interesting. It is, however, the very basis of all studies in biology - the correct identification of the organism concerned and its relationships to others in the community.
Author: Louis M. Schoonhoven Publisher: Oxford University Press ISBN: 019852594X Category : Science Languages : en Pages : 441
Book Description
"Half of all insect species are dependent on living plant tissues, consuming about 10% of plant annual production in natural habitats and an even greater percentage in agricultural systems, despite sophisticated control measures. Plants are generally remarkably well-protected against insect attack, with the result that most insects are highly specialized feeders. The mechanisms underlying plant resistance to invading herbivores on the one side, and insect food specialization on the other, are the main subjects of this book. For insects these include food-plant selection and the complex sensory processes involved, with their implications for learning and nutritional physiology, as well as the endocrinological aspects of life cycle synchronization with host plant phenology. In the case of plants exposed to insect herbivores, they include the activation of defence systems in order to minimize damage, as well as the emission of chemical signals that may attract natural enemies of the invading herbivores and may be exploited by neighbouring plants that mount defences as well." "Insect-Plant Biology discusses the operation of these mechanisms at the molecular and organismal levels, in the context of both ecological interactions and evolutionary relationships. In doing so, it uncovers the highly intricate antagonistic and mutualistic interactions that have evolved between plants and insects. The book concludes with a chapter on the application of our knowledge of insect-plant interactions to agricultural production." "This multidisciplinary approach will appeal to students in agricultural entomology, plant sciences, ecology, and indeed anyone interested in the principles underlying the relationships between the two largest groups of organisms on earth: plants and insects."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved
Author: U. P. Hedrick Publisher: Good Press ISBN: Category : Fiction Languages : en Pages : 583
Book Description
"The Grapes of New York" by U. P. Hedrick. Published by Good Press. Good Press publishes a wide range of titles that encompasses every genre. From well-known classics & literary fiction and non-fiction to forgotten−or yet undiscovered gems−of world literature, we issue the books that need to be read. Each Good Press edition has been meticulously edited and formatted to boost readability for all e-readers and devices. Our goal is to produce eBooks that are user-friendly and accessible to everyone in a high-quality digital format.
Author: Therese M. Poland Publisher: Springer Nature ISBN: 3030453677 Category : Science Languages : en Pages : 455
Book Description
This open access book describes the serious threat of invasive species to native ecosystems. Invasive species have caused and will continue to cause enormous ecological and economic damage with ever increasing world trade. This multi-disciplinary book, written by over 100 national experts, presents the latest research on a wide range of natural science and social science fields that explore the ecology, impacts, and practical tools for management of invasive species. It covers species of all taxonomic groups from insects and pathogens, to plants, vertebrates, and aquatic organisms that impact a diversity of habitats in forests, rangelands and grasslands of the United States. It is well-illustrated, provides summaries of the most important invasive species and issues impacting all regions of the country, and includes a comprehensive primary reference list for each topic. This scientific synthesis provides the cultural, economic, scientific and social context for addressing environmental challenges posed by invasive species and will be a valuable resource for scholars, policy makers, natural resource managers and practitioners.
Author: John Seymour Publisher: Dorling Kindersley Ltd ISBN: 024147762X Category : House & Home Languages : en Pages : 408
Book Description
Embrace off-grid green living with the bestselling classic guide to a more sustainable way of life, now with a brand new foreword from Hugh Fearnley-Whittingstall. John Seymour has inspired thousands to make more responsible, enriching, and eco-friendly choices with his advice on living sustainably. The New Complete Book of Self-Sufficiency offers step-by-step instructions on everything from chopping trees to harnessing solar power; from growing fruit and vegetables, and preserving and pickling your harvest, to baking bread, brewing beer, and making cheese. Seymour shows you how to live off the land, running your own smallholding or homestead, keeping chickens, and raising (and butchering) livestock. In a world of mass production, intensive farming, and food miles, Seymour's words offer an alternative: a celebration of the joy of investing time, labour, and love into the things we need. While we aren't all be able to move to the countryside, we can appreciate the need to eat food that has been grown ethically or create things we can cherish, using skills that have been handed down through generations. With refreshed, retro-style illustrations and a brand-new foreword by Hugh Fearnley-Whittingstall, this new edition of Seymour's classic title is a balm for anyone who has ever sought solace away from the madness of modern life.
Author: James H. Speer
Author: Dave Winter
Author: James H. Speer
Author: Dennis S. Hill
Author: Louis M. Schoonhoven
Author: U. P. Hedrick
Author: Therese M. Poland
Author: 
Author: Thornton Waldo Burgess
Author: John Seymour
Author: Thomas George Gentry