The Physiological Ecology of Shade Tolerance in Northern Hardwood Seedlings PDF Download
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Author: Michael Burt Walters
Publisher:
ISBN:
Category :
Languages : en
Pages : 278
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Book Description
Author: Michael Burt Walters
Publisher:
ISBN:
Category :
Languages : en
Pages : 278
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Book Description
Author: Theodore T. Kozlowski
Publisher: Academic Press
ISBN: 0323138004
Category : Science
Languages : en
Pages : 678
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Book Description
The efficient management of trees and other woody plants can be improved given an understanding of the physiological processes that control growth, the complex environmental factors that influence those processes, and our ability to regulate and maintain environmental conditions that facilitate growth. Emphasizes genetic and environmental interactions that influence woody plant growth Outlines responses of individual trees and tree communities to environmental stress Explores cultural practices useful for efficient management of shade, forest, and fruit trees, woody vines, and shrubs
Author: Aljos Farjon
Publisher: BRILL
ISBN: 9004211810
Category : Science
Languages : en
Pages : 524
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Book Description
A 2014 Choice Magazine "Outstanding Academic Title" An Atlas of the World's Conifers is the first ever atlas of all known conifer species. It is based on locality information of ca. 37,000 collected herbarium specimens held in scientific institutions. As well as providing natural distribution maps for each species, Farjon and Filer give the reader comprehensive insight into the biogeography, diversity and conservation status of conifers on all continents, dispelling the widely held view that they are primarily a northern boreal plant group. Conifer diversity is analysed and presented with a taxonomic and geographic perspective. Distribution patterns are interpreted using the latest information on continental drift, dispersal and phylogeny. The entire dataset supporting the Atlas can be consulted and verified online. These data can also be used for further research and are an invaluable resource for anyone working on conifer systematics, biogeography or conservation. An Atlas of the World’s Conifers indicates the known distribution of all conifers including an analysis of their biogeography, diversity and conservation status. Also available from Brill is Aljos Farjon’s A Handbook of the World's Conifers, published in 2010 (ISBN 978 90 04 17718 5) which is a 2017 Choice Magazine "Outstanding Academic Title".
Author: J. J. Landsberg
Publisher: Elsevier
ISBN: 0080527388
Category : Science
Languages : en
Pages : 371
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Book Description
Forest management is a complex process that now incorporates information obtained from many sources. It is increasingly obvious that the physiological status of the trees in a forest has a dramatic impact on the likely success of any particular management strategy. Indeed, models described in this book that deal with forest productivity and sustainability require physiological information. This information can only be obtained from an understanding of the basic biological mechanisms and processes that contribute to individual tree growth. This valuable book illustrates that physiological ecology is a fundamental element of proficient forest management. Provides essential information relevant to the continuing debate over sustainable forest management Outlines how modern tools for physiological ecology can be used in planning and managing forest ecosystems Reviews the most commonly used forest models and assesses their value and future
Author: Brain F. Chabot
Publisher: Springer Science & Business Media
ISBN: 9400948301
Category : Science
Languages : en
Pages : 704
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Book Description
Although, as W.D. Billings notes in his chapter in this book. the development of physiological ecology can be traced back to the very beginnings of the study of ecology it is clear that the modern development of this field in North America is due in the large part to the efforts of Billings alone. The foundation that Billings laid in the late 1950s came from his own studies on deserts and subsequently arctic and alpine plants, and also from his enormous success in instilling enthusiasm for the field in the numerous students attracted to the plant ecology program at Duke University. Billings' own studies provided the model for subsequent work in this field. Physiological techniques. normally confined to the laboratory. were brought into the field to examine processes under natural environmental conditions. These field studies were accompanied by experiments under controlled conditions where the relative impact of various factors could be assessed and further where genetic as opposed to environmental influences could be separated. This blending of field and laboratory approaches promoted the design of experiments which were of direct relevance to understanding the distribution and abundance of plants in nature. Physiological mechanisms were studied and assessed in the context of the functioning of plants under natural conditions rather than as an end in itself.
Author: Trevor A. Jones
Publisher:
ISBN: 9780494158074
Category :
Languages : en
Pages : 298
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Book Description
The basal area increment (BAI) response of trees to gap creation was generally positive; however, there was a lag in BAI response which typically lasted between one and three years. Tree size was the best predictor of both pre-harvest BAI and BAI response to gap creation. Large trees had the greatest BAI but did not respond as positively to gap creation as smaller trees. Unexpectedly, it was observed that the BAI response of the more shade tolerant species was more positive than the less tolerant species. This may be related to species differences in canopy structure, with the deep crowns of shade tolerant species providing increased light interception following gap creation. The management of tolerant hardwood forests in central Ontario is typically done using the selection harvest system where no more than one third of the stand basal area is removed in each harvest while a balanced distribution of tree sizes and species is maintained to ensure continual stand development. Because regeneration is achieved through the manipulation of the understory light environment, the response of tree seedlings and saplings to changing light availability has been well studied. However, little is known about either the physiological acclimation processes or the growth responses of canopy trees to gap creation. This thesis examines the physiological acclimation and growth responses of large trees to selection management and addresses the factors that determine the temporal pattern and magnitude of the growth response. In order to better understand growth responses of large trees to gap creation an experiment examining canopy physiological and morphological acclimation to gap creation was conducted. Leaves within the lower portions of the canopy experienced gradual increases in area-based maximum photosynthetic rates, stomatal conductance, and leaf nitrogen. No change in these variables was observed that could not be accounted for by changes in leaf mass per unit area. Both the growth and physiological studies point to the importance of increases in incident light in the lower portions of the canopy, in conjunction with slow acclimation responses, as drivers of whole tree carbon gain and growth following selection harvests.
Author: Alejandro Emilio Castellanos
Publisher:
ISBN:
Category :
Languages : en
Pages : 320
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Book Description
Author: Brian F. Chabot
Publisher: Springer
ISBN:
Category : Juvenile Nonfiction
Languages : en
Pages : 378
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Book Description
Physiological ecology is an exciting, rapidly developing field. This volume ably indicates the immense gaps in our knowledge in part through a compilation of current knowledge about how plants adapt to the environmental conditions of the various North American biomes. Single chapters consider Arctic, alpine, taiga, chaparral, grassland, deciduous forest, tropical and subtropical forest, marine beaches and dunes, and coastal marshes. Two chapters are devoted to Western forests and three to deserts. The short preface is a poor substitute for a thoughtful introduction and a summary is sorely missed. W.D. Billing's chapter on the history of plant ecophysiology is outstanding. The only remotely comparable single-volume work in English is Heinrich Walter's Vegetation of the Earth and Ecological Systems of the Geobiosphere (2nd ed., 1979; 1st ed., CH, Apr '74); the present volume fills in many details excluded in Walter's global treatment. A solid background in ecology and plant physiology is needed to comprehend at least half of each chapter; however, Chabot and Mooney provide an excellent reference work of use to advanced undergraduates, graduates, and faculty. Recommended for libraries in colleges with plant ecology, plant geography, or plant physiology courses.-G.D. Dreyer, Connecticut College--Choice Reviews.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 64
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Author: Eustaquio Gil-Pelegrín
Publisher: Springer
ISBN: 331969099X
Category : Science
Languages : en
Pages : 544
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Book Description
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.
