Ecophysiology Of Northern Spruce Species
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Ecophysiology Of Northern Spruce Species
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Author : Steven C. Grossnickle
language : en
Publisher: NRC Research Press
Release Date : 2000
Ecophysiology Of Northern Spruce Species written by Steven C. Grossnickle and has been published by NRC Research Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Nature categories.
This manual offers foresters information to help them understand the performance of spruce seedlings after being planted on a reforestation site. It was written for university students taking a regeneration silviculture class, and foresters and researchers who work with spruce species.
Seed Ecophysiology Of Temperate And Boreal Zone Forest Trees
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Author : RobertE. Farmer
language : en
Publisher: Routledge
Release Date : 2017-11-01
Seed Ecophysiology Of Temperate And Boreal Zone Forest Trees written by RobertE. Farmer and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-01 with Science categories.
This is the first truly modern book solely devoted to seed reproduction of forest trees-from flowering to establishment, with emphasis on the interaction of environment with physiological processes. Focus is on seed function in natural settings and the application of information to natural regeneration of forests. This easy-to-read text addresses important principles and provides in-depth coverage of existing literature. Presentation of the information is organized to allow for a natural development of the main theme with full explanations of such important components as seed production, dispersal and germination, as well as the integral parts played by water, temperature, light, chemicals, animals, pathogens and aging. A highly useful book for investigators, practitioners or students.
Oaks Physiological Ecology Exploring The Functional Diversity Of Genus Quercus L
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Author : Eustaquio Gil-Pelegrín
language : en
Publisher: Springer
Release Date : 2017-12-12
Oaks Physiological Ecology Exploring The Functional Diversity Of Genus Quercus L written by Eustaquio Gil-Pelegrín and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-12 with Science categories.
With more than 500 species distributed all around the Northern Hemisphere, the genus Quercus L. is a dominant element of a wide variety of habitats including temperate, tropical, subtropical and mediterranean forests and woodlands. As the fossil record reflects, oaks were usual from the Oligocene onwards, showing the high ability of the genus to colonize new and different habitats. Such diversity and ecological amplitude makes genus Quercus an excellent framework for comparative ecophysiological studies, allowing the analysis of many mechanisms that are found in different oaks at different level (leaf or stem). The combination of several morphological and physiological attributes defines the existence of different functional types within the genus, which are characteristic of specific phytoclimates. From a landscape perspective, oak forests and woodlands are threatened by many factors that can compromise their future: a limited regeneration, massive decline processes, mostly triggered by adverse climatic events or the competence with other broad-leaved trees and conifer species. The knowledge of all these facts can allow for a better management of the oak forests in the future.
Ecophysiology Of White Spruce Picea Glauca Moench Voss Regeneration
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Author : Edward Carter Tear
language : en
Publisher:
Release Date : 1979
Ecophysiology Of White Spruce Picea Glauca Moench Voss Regeneration written by Edward Carter Tear and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with White spruce categories.
The importance of light and seedbed type were evident for germination success and seedling survival of white spruce [ Picea glauca (Moench) Voss] in the field. Under forest canopy cover, seedbeds of exposed mineral soil had higher rates of germination than seedbeds with competing vegetation removed or on seedbeds with competing vegetation intact. The shade offered by the forest canopy and the seedbed of mineral soil probably maintain adequate soil moisture conditions to allow good germination. Microsites which had mineral soil exposed and which were only partially shaded enhanced white spruce seedling survival. These microsites probably did not experience severe fluctuations in soil moisture content which may be a major cause of seedling mortality in white spruce. Time of year, light and watering do not act independently on retention, distribution or partitioning of recently photoassimilated 14 C02. Seasonal patterns of each are influenced by either light or watering or both. Spruce seedlings grown under water stress or "full-light" conditions retain less 14 C than those seedlings grown under no water stress or grown under low light. The effects of light or watering regime are more pronounced on first-year seedlings than on second-year seedlings. Generally, second-year seedlings translocate a greater percentage of recently assimilated 14 C to the roots than do first-year seedlings. The percent of 14 C translocated to the roots varies with time of year and is affected by the interactive effects of light and watering. Between June and September an increasing proportion of assimilated carbon-14 is channelled into storage rather than into structural components. Deviations from this pattern can occur as a result of changes in light and watering. Xylem pressure potential can be used to estimate white spruce seedling survival. The relationship between xylem pressure potential and survival varied with soil type, probably due to differences in hygroscopic properties. The younger the seedling the more sensitive it is to drying soils.
Seed Ecophysiology Of Temperate And Boreal Zone Forest Trees
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Author : Robert E. Farmer
language : en
Publisher: CRC Press
Release Date : 1996-06-20
Seed Ecophysiology Of Temperate And Boreal Zone Forest Trees written by Robert E. Farmer and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-06-20 with Science categories.
This is the first truly modern book solely devoted to seed reproduction of forest trees-from flowering to establishment, with emphasis on the interaction of environment with physiological processes. Focus is on seed function in natural settings and the application of information to natural regeneration of forests. This easy-to-read text addresses important principles and provides in-depth coverage of existing literature. Presentation of the information is organized to allow for a natural development of the main theme with full explanations of such important components as seed production, dispersal and germination, as well as the integral parts played by water, temperature, light, chemicals, animals, pathogens and aging. A highly useful book for investigators, practitioners or students.
Ecophysiology Of Coniferous Forests
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Author : William K. Smith
language : en
Publisher: Academic Press
Release Date : 2013-10-22
Ecophysiology Of Coniferous Forests written by William K. Smith and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Science categories.
Conifers--pine, fir, and spruce trees--are dominant species in forests around the world. This book focuses on the physiology of conifers and how these physiological systems operate. Special consideration is devoted to the means by which ecophysiological processes influence organismal function and distribution. Chapters focus on the genetics of conifers, their geographic distribution and the factors that influence this distribution, the impact of insect herbivory on ecophysiological parameters, the effects of air pollution, and the potential impact that global climatic changes will have upon conifers. Because of the growing realization that forests have a crucial role to play in global environmental health, this book will appeal to a developing union of ecologists, physiologists and more theoretically minded foresters.
Advances In Mycorrhizal Science And Technology
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Author : Damase Khasa
language : en
Publisher: NRC Research Press
Release Date : 2009
Advances In Mycorrhizal Science And Technology written by Damase Khasa and has been published by NRC Research Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Science categories.
Mycorrhizal symbioses are widespread and fundamental components of terrestrial ecosystems and have shaped plant evolution. Features such topics as plant/fungal communication, the interaction of mycorrhizal fungi with other soil microorganisms, and the use of mycorrhizal fungi in plant-production systems.
Container Tree Nursery Manual Volume Seven Seedling Processing Storage And Outplanting
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Author :
language : en
Publisher: Government Printing Office
Release Date :
Container Tree Nursery Manual Volume Seven Seedling Processing Storage And Outplanting written by and has been published by Government Printing Office this book supported file pdf, txt, epub, kindle and other format this book has been release on with Nature categories.
Presents information on the target plant concept; addressing plant quality; harvesting; plant storage; handling and shipping; and outplanting.
The Container Tree Nursery Manual Seedling Processing Storage And Outplanting
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Author :
language : en
Publisher:
Release Date : 1990
The Container Tree Nursery Manual Seedling Processing Storage And Outplanting written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Container gardening categories.
Seedling Processing Storage And Outplanting The Container Tree Nursery Manual Vol 7 Agriculture Handbook 674 March 2010
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Author :
language : en
Publisher:
Release Date : 2010
Seedling Processing Storage And Outplanting The Container Tree Nursery Manual Vol 7 Agriculture Handbook 674 March 2010 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Container gardening categories.