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Author:
Publisher:
ISBN:
Category : Oak
Languages : en
Pages : 76
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Book Description
Author:
Publisher:
ISBN:
Category : Oak
Languages : en
Pages : 76
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Book Description
Author:
Publisher:
ISBN:
Category : Cottonwood
Languages : en
Pages : 44
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Book Description
Insects and disease organisms are a continuing threat to cottonwood (Populus deltoides Bartr.), especially during the tree's first 5 years. The danger is intensified in large plantings of a single species and age because rapid buildup of damaging agents can occur. This booklet, will help forest nurserymen and plantation managers identify and control pest problems. The major insects and diseases are illustrated; and information on their importance, signs of infestation, biology, and natural control is presented. Brief mention is made of other pests which may be of local or sporadic concern. A list of registered chemical controls is also provided. This list is subject to change as new materials are approved, and revisions will be made available at periodic intervals.
Author: Michael R. Rosen
Publisher: Springer Nature
ISBN: 3030665763
Category : Science
Languages : en
Pages : 592
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Book Description
This book honors the career of Professor Elizabeth Gierlowski-Kordesch who was a pioneer and leader in the field of limnogeology since the 1980s. Her work was instrumental in guiding students and professionals in the field until her untimely death in 2016. This collection of chapters was written by her colleagues and students and recognize the important role that Professor Gierlowski-Kordesch had in advancing the field of limnogeology. The chapters show the breadth of her reach as these have been contributed from virtually every continent. This book will be a primary reference for scientists, professionals and graduate students who are interested in the latest advances in limnogeologic processes and basin descriptions in North and South America, Europe, Africa, and China. *Free supplementary material available online for chapters 3,11,12 and 13. Access by searching for the book on link.springer.com
Author:
Publisher:
ISBN:
Category : Biotic communities
Languages : en
Pages : 282
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Book Description
Author: G. L. Barr
Publisher:
ISBN:
Category : Ground penetrating radar
Languages : en
Pages : 36
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Book Description
Author: David Hurst Thomas
Publisher: University of Georgia Press
ISBN: 0820339679
Category : Religion
Languages : en
Pages : 111
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Book Description
St. Catherines is the story of how a team of archaeologists found the lost sixteenth-century Spanish mission of Santa Catalina de Guale on the coastal Georgia island now known as St. Catherines. The discovery of mission Santa Catalina has contributed significantly to knowledge about early inhabitants of the island and about the Spanish presence in Georgia nearly two centuries before the arrival of British colonists.
Author:
Publisher:
ISBN:
Category : Animal ecology
Languages : en
Pages : 92
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Book Description
Author: James Doyle Solomon
Publisher:
ISBN:
Category : Borers (Insects)
Languages : en
Pages : 754
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Book Description
This manual describes 300 species of insect borers that attach hardwood trees, shrubs, and other woody angiosperms in North America and provides information for controlling them.
Author: Julia Guernsey
Publisher:
ISBN: 9780979105203
Category : Indians of Central America
Languages : en
Pages : 249
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Book Description
Author: U. S. Department Of Agriculture
Publisher: CreateSpace
ISBN: 9781480199064
Category :
Languages : en
Pages : 266
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Book Description
This state-of-knowledge review about the effects of fire on flora and fuels can assist land managers in planning for ecosystem management and fire management, and in their efforts to inform others about the ecological role of fire. Chapter 1 presents an overview and a classification of fire regimes that is used throughout the report. Chapter 2 summarizes knowledge of fire effects on individual plants, including susceptibility to mortality of aerial crowns, stems, and roots; vegetative regeneration; seedling establishment from on-site and off-site seed sources; seasonal influences such as carbohydrates and phenological stage; and factors affecting burn severity. Five chapters describe fire regime characteristics such as fire severity, fire frequency, and fire intensity, and postfire plant community responses for ecosystems throughout the United States and Canada. Typical fuel compositions, fuel loadings, and fire behavior are described for many vegetation types. Vegetation types including Forest-Range Environmental Study (FRES), Kuchler, and Society of American Foresters (SAF) types are classified as belonging to understory, mixed, or stand replacement fire severity regime types. The severity and frequency of fire are described for the pre-Euro-American settlement period and contrasted with current fire regimes. Historic fire frequencies ranged from a fire every 1 to 3 years in some grassland and pine types to a fire every 500 to 1,000 years in some coastal forest and northern hardwood types. In many vegetation types characterized by understory fire regimes, a considerable shift in fire frequency and fire severity occurred during the past century. Successional patterns and vegetation dynamics following disturbance by fire, and in some cases related grazing and silvicultural treatments, are described for major vegetation types. Management considerations are discussed, especially for the application of prescribed fire. A chapter on global climate change describes the complexity of a changing climate and possible influences on vegetation, fuels, and fire. The uncertainty of global climate change and its interactions with vegetation means expectations for fire management are general and tentative. Nonetheless, manipulation of wildlands and disturbance regimes may be necessary to ensure continual presence of some species. The last chapter takes a broader, more fundamental view of the ecological principles and shifting fire regimes described in the other chapters. The influences of fire regimes on biodiversity and fuel accumulation are discussed. Strategies and approaches for managing fire in an ecosystem context and sources of technical knowledge that can assist in the process are described. Research needs are broadly summarized.
