Insect Herbivore-Host Dynamics PDF Download
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Author: A. F. G. Dixon
Publisher: Cambridge University Press
ISBN: 9780521802321
Category : Science
Languages : en
Pages : 208
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Book Description
Designed to introduce students and research workers to insect herbivore-host dynamics, this book uses the interaction between aphids and trees as a model. Challenging the belief that population dynamics of insect herbivores are heavily influenced by the action of their natural enemies, it demonstrates that tree dwelling species of aphids actually regulate their own population through competition for resources.
Author: A. F. G. Dixon
Publisher: Cambridge University Press
ISBN: 9780521802321
Category : Science
Languages : en
Pages : 208
Get Book
Book Description
Designed to introduce students and research workers to insect herbivore-host dynamics, this book uses the interaction between aphids and trees as a model. Challenging the belief that population dynamics of insect herbivores are heavily influenced by the action of their natural enemies, it demonstrates that tree dwelling species of aphids actually regulate their own population through competition for resources.
Author: Anthony Frederick George Dixon
Publisher:
ISBN: 9780511298455
Category : Aphids
Languages : en
Pages : 199
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Book Description
Tony Dixon analyses long-term population studies and experiments showing that tree dwelling aphids are regulated not by natural enemies but by competition for limited resources. This book is designed to introduce students and research workers to insect herbivore-host dynamics using the interaction between aphids and trees as a model.
Author: A. F. G. Dixon
Publisher: Cambridge University Press
ISBN: 9781139441575
Category : Science
Languages : en
Pages : 212
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Book Description
Literature on the population dynamics of insect herbivores tends to favour a top-down regulation of abundance, owing much to the action of natural enemies. Originally published in 2005, this volume challenges this paradigm and argues that tree-dwelling species of aphids, through competition for resources, regulate their own abundance. The biology of tree-dwelling aphids is examined, particularly their adaptation to the seasonal development of their host plants. When host-plant quality is favourable, aphids, by telescoping generations, can achieve prodigious rates of increase which their natural enemies are unable to match. Using analyses of long-term population censuses and results of experiments, this book introduces students and research workers to insect herbivore-host dynamics using the interaction between aphids and trees as a model.
Author: Kelley Tilmon
Publisher: Univ of California Press
ISBN: 0520933826
Category : Science
Languages : en
Pages : 360
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Book Description
The intimate associations between plants and the insects that eat them have helped define and shape both groups for millions of years. This pioneering volume is a comprehensive, up-to-date treatment of the evolutionary biology of herbivorous insects, including their relationships with host plants and natural enemies. Chapters focus on the dynamic relationships between insects and plants from the standpoint of evolutionary change at different levels of biological organization—individuals, populations, species, and clades. Written by prominent evolutionary biologists, entomologists, and ecologists, the chapters are organized into three sections: Evolution of Populations and Species; Co- and Macroevolutionary Radiation; and Evolutionary Aspects of Pests, Invasive Species, and the Environment. The volume is unified by the idea that understanding the ecological framework of the interactions between herbivorous insects and their host plants is fundamental to understanding their evolution.
Author: Elizabeth A. Bernays
Publisher: CRC Press
ISBN: 1351361430
Category : Science
Languages : en
Pages : 206
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Book Description
Insect-Plant Interactions is a series devoted to reviews across the breadth of the topic from cellular mechanisms to ecology and evolution. Articles are selected from areas of particular current interest or subjects that would especially benefit from a new review. It is hoped that the interdisciplinary selection in each volume will help readers to enter new fields of insect-plant interactions. Volume II contains six very different articles.
Author: Robert Denno
Publisher: Elsevier
ISBN: 0323142877
Category : Science
Languages : en
Pages : 735
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Book Description
Variable Plants and Herbivores in Natural and Managed Systems examines individual, population, species, and community responses of herbivores to plant variation, with emphasis on insects, fungi, bacteria, and viruses. It is divided into five parts encompassing 18 chapters that discuss variability as a mechanism of defense used by plants against their parasites and the effects of variability on herbivores at several different levels of complexity. After a brief discussion on plant-herbivore interactions, the first part of this book considers sources of within-plant variation and effects on the distribution and abundance of herbivores. Part II examines interplant variation, the co-evolutionary problems it poses for herbivores, and the ecological and evolutionary responses of these animals. It discusses the effects of host-plant variability on the fitness of sedentary herbivorous insects. Part III discusses the role of host variability in the evolution of feeding specialization, genetic differentiation, and race formation. The importance of host variation to the organization of herbivore communities and the manipulation of host-plant variability for the management of herbivore pest populations are presented in the remaining parts. This book will be helpful to agriculturists, silviculturists, biologists, and researchers who wish to expand their knowledge in dynamics of plant-herbivore relationships.
Author: Pedro Barbosa
Publisher: John Wiley & Sons
ISBN: 1118253841
Category : Science
Languages : en
Pages : 709
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Book Description
The abundance of insects can change dramatically from generation to generation; these generational changes may occur within a growing season or over a period of years. Such extraordinary density changes or "outbreaks" may be abrupt and ostensibly random, or population peaks may occur in a more or less cyclic fashion. They can be hugely destructive when the insect is a crop pest or carries diseases of humans, farm animals, or wildlife. Knowledge of these types of population dynamics and computer models that may help predict when they occur are very important. This important new book revisits a subject not thoroughly discussed in such a publication since 1988 and brings an international scale to the issue of insect outbreaks. Insect Outbreaks Revisited is intended for senior undergraduate and graduate students in ecology, population biology and entomology, as well as government and industry scientists doing research on pests, land managers, pest management personnel, extension personnel, conservation biologists and ecologists, and state, county and district foresters.
Author: Patricia Doak
Publisher:
ISBN:
Category :
Languages : en
Pages : 522
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Book Description
Author: Scott N. Johnson
Publisher: CABI
ISBN: 1845934628
Category : Science
Languages : en
Pages : 246
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Book Description
Root feeders have been classified as agricultural pests but can be used as biological control agents against invasive species and can affect community dynamics of plants, soil micro-organisms and populations of above ground organisms. This book presents a review of knowledge on root herbivores and illustrates their importance within ecosystems.
Author: Elizabeth A. Bernays
Publisher: CRC Press
ISBN: 1351361287
Category : Science
Languages : en
Pages : 256
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Book Description
Volume 5 of "Insect-Plant Interactions" is a volume in a series that presents research in the field. Topics covered include chemical changes in plants as a result of insects feeding on their leaves, dynamic elements of the use and avoidance of host plants by tephritid flies as a result of the presence of other flies, floral volatiles in insect biology, endophytic fungi as mediators of plant insect interactions, the cost of chemical defence against herbivory, and life history traits on insect herbivores in relation to host quality. The book also presents the first available review on physicochemical conditions of the gut lumen from an ecological perspective.
