Canadian Journal of Botany PDF Download
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Author:
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 948
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Book Description
Author:
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 948
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Book Description
Author: John Jacob Furlow
Publisher: New York State Museum
ISBN:
Category : Nature
Languages : en
Pages : 112
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Book Description
Author: Frederick C. Meinzer
Publisher: Springer Science & Business Media
ISBN: 9400712421
Category : Nature
Languages : en
Pages : 511
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Book Description
Millions of trees live and grow all around us, and we all recognize the vital role they play in the world’s ecosystems. Publicity campaigns exhort us to plant yet more. Yet until recently comparatively little was known about the root causes of the physical changes that attend their growth. Since trees typically increase in size by three to four orders of magnitude in their journey to maturity, this gap in our knowledge has been a crucial issue to address. Here at last is a synthesis of the current state of our knowledge about both the causes and consequences of ontogenetic changes in key features of tree structure and function. During their ontogeny, trees undergo numerous changes in their physiological function, the structure and mechanical properties of their wood, and overall architecture and allometry. This book examines the central interplay between these changes and tree size and age. It also explores the impact these changes can have, at the level of the individual tree, on the emerging characteristics of forest ecosystems at various stages of their development. The analysis offers an explanation for the importance of discriminating between the varied physical properties arising from the nexus of size and age, as well as highlighting the implications these ontogenetic changes have for commercial forestry and climate change. This important and timely summation of our knowledge base in this area, written by highly respected researchers, will be of huge interest, not only to researchers, but also to forest managers and silviculturists.
Author:
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ISBN:
Category : Medicine
Languages : en
Pages : 1436
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Book Description
Vols. for 1963- include as pt. 2 of the Jan. issue: Medical subject headings.
Author:
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ISBN:
Category : Agriculture
Languages : en
Pages : 1120
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Book Description
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 324
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Book Description
Author:
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 1044
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Book Description
Author:
Publisher:
ISBN:
Category : AGRIS (Information retrieval system)
Languages : en
Pages : 920
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Book Description
Author: Hans de Kroon
Publisher: Springer Science & Business Media
ISBN: 9783540001850
Category : Science
Languages : en
Pages : 424
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Book Description
In the course of evolution, a great variety of root systems have learned to overcome the many physical, biochemical and biological problems brought about by soil. This development has made them a fascinating object of scientific study. This volume gives an overview of how roots have adapted to the soil environment and which roles they play in the soil ecosystem. The text describes the form and function of roots, their temporal and spatial distribution, and their turnover rate in various ecosystems. Subsequently, a physiological background is provided for basic functions, such as carbon acquisition, water and solute movement, and for their responses to three major abiotic stresses, i.e. hard soil structure, drought and flooding. The volume concludes with the interactions of roots with other organisms of the complex soil ecosystem, including symbiosis, competition, and the function of roots as a food source.
Author: Michael Tausz
Publisher: Springer
ISBN: 9401791007
Category : Science
Languages : en
Pages : 293
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Book Description
This book delivers current state-of-the-science knowledge of tree ecophysiology, with particular emphasis on adaptation to a novel future physical and chemical environment. Unlike the focus of most books on the topic, this considers air chemistry changes (O3, NOx, and N deposition) in addition to elevated CO2 effects and its secondary effects of elevated temperature. The authors have addressed two systems essential for plant life: water handling capacity from the perspective of water transport; the coupling of xylem and phloem water potential and flow; water and nutrition uptake via likely changes in mycorrhizal relationships; control of water loss via stomata and its retention via cellular regulation; and within plant carbon dynamics from the perspective of environmental limitations to growth, allocation to defences, and changes in partitioning to respiration. The authors offer expert knowledge and insight to develop likely outcomes within the context of many unknowns. We offer this comprehensive analysis of tree responses and their capacity to respond to environmental changes to provide a better insight in understanding likelihood for survival, as well as planning for the future with long-lived, stationary organisms adapted to the past: trees.
