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158 produkter

Operational Efficiency in Forestry
Vol. 2: Practice
AvC.R. Silversides,B. Sundberg
Inbunden, Engelska, 1988
1 653 kr
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It is our conviction that professional skill in forestry will develop more readily and more efficiently if forestry students are presented with a clear understanding of the im pact of the physical factors that both enhance and inhibit forestry activities. Part I is analytic, written as a basic text for undergradu ates in courses such as logging, transport, forest engineer ing and even forest management. It deals with the fundamen tals of technology in forestry as determined by the physical environment. The analytic approach serves two purposes, to bring about a clear understanding of the real world of the forest and to develop tools through which efficiency and productivity can be explored, understood and improved. The principal author of this volume was Prof. Ulf sundberg. Part II discusses in some detail a wide variety of practical problems encountered by foresters. It describes harvesting systems and the principles of management and control of forest operations. The influence of the forest on operations is described at length, the terrain, topography, forest soils as well as the engineering characteristics of trees and forest stands. It also considers the impact of oper ations on the forest. The principal author of this volume was Dr. Ross Silversides. Chapters 11, 12 and 13 were written by-Prof. Sundberg.
Predicting Breeding Values with Applications in Forest Tree Improvement
AvT.L. White,G.R. Hodge
Inbunden, Engelska, 1989
2 202 kr
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In most breeding programs of plant and animal species, genetic data (such as data from field progeny tests) are used to rank parents and help choose candidates for selection. In general, all selection processes first rank the candidates using some function of the observed data and then choose as the selected portion those candidates with the largest (or smallest) values of that function. To make maximum progress from selection, it is necessary to use a function of the data that results in the candidates being ranked as closely as possible to the true (but always unknown) ranking. Very often the observed data on various candidates are messy and unbalanced and this complicates the process of developing precise and accurate rankings. For example, for any given candidate, there may be data on that candidate and its siblings growing in several field tests of different ages. Also, there may be performance data on siblings, ancestors or other relatives from greenhouse, laboratory or other field tests. In addition, data on different candidates may differ drastically in terms of quality and quantity available and may come from varied relatives. Genetic improvement programs which make most effective use of these varied, messy, unbalanced and ancestral data will maximize progress from all stages of selection. In this regard, there are two analytical techniques, best linear prediction (BLP) and best linear unbiased prediction (BLUP), which are quite well-suited to predicting genetic values from a wide variety of sources, ages, qualities and quantities of data.
Conifer Manual
Volume 1
AvHumphrey J. Welch
Inbunden, Engelska, 1990
2 202 kr
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The research that has culminated in the pUblication being introduced . worldwide) save by one or two of this Manual was in the first place undertaken private conifer enthusiasts. My own efforts at 1 for a new edition of the book Manual of Cultivated recording data at Devizes made possible the Conifers by P. den Ouden and Dr B. K. Boom appearance in 1979 of a larger book: Manual of (both now deceased), published in 1965. Dwarf Conifers. That book was clearly in effect The claim in that book to have included every a partial up-dating of the den Ouden and Boom cultivar published since 1753 was not entirely book under revision, so the decision was made realised, and the stated objective, i. e. that the book to produce an entirely new work, with the present should serve as a basis for the international register title and with the following objectives. that was even at that date under consideration required a lot of space to be devoted to quite 1. To bring the taxonomy into line with current archaic information. practice. Each of the authors of the Manual of Cultivated 2. To extend the species descriptions and make them (by the use of side headings) more easy Conifers was well qualified for the task. P. den Ouden had been systematically collecting conifer to use. 3. To supply some form of 'keys'.
Agroforestry Education and Training: Present and Future
Proceedings of the International Workshop on Professional Education and Training in Agroforestry, held at the University of Florida, Gainesville, Florida, USA on 5–8 December 1988
AvP. K. Ramachandran Nair,H.L. Gholzm. fl.
Inbunden, Engelska, 1990
1 104 kr
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Interest and initiatives in agroforestry education and training, as in other aspects of agroforestry development, have increased tremendously during the past decade. Coordination of such educational activities was initiated by the first international workshop on education in agroforestry organized by the International Council for Research in Agroforestry (ICRAF) in Decem ber 1982, at Nairobi, Kenya. Since then, agroforestry has been incorporated into the curricula of many educational and training institutions around the world. Moreover, several institutions have developed entire academic programs specifically in agroforestry. However, most of these activities are still isolated initiatives, without common strategies or philosophies. This second international agroforestry workshop was therefore planned to pro vide a forum for reviewing progress, sharing programs and experiences, and planning and coordinating future directions in agroforestry education and training. The main objectives were to review the on-going programs, to assess the scope of professional education and training in relation to the perceived needs of trained personnel, to recommend guidelines for further program development, and to establish networking among institutions and agencies involved in agroforestry education and training. These proceedings contain the keynote papers, regional/country presenta tions and conclusions and recommendations of the International Workshop on Education and Training in Agroforestry held at the University of Florida, Gainesville, USA in December, 1988. The strategy of the workshop was to facilitate focused discussion on identified issues by an invited group of world leaders in agroforestry education and training.
Forest Regeneration Manual
AvMary L. Duryea,P.M . Dougherty
Inbunden, Engelska, 1991
3 299 kr
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The Forest Regeneration Manual presents state-of-the-art information about current regeneration practices for southern pines in the United States. Over 1.2 billion seedlings of five major species -- loblolly, slash, longleaf, sand, and shortleaf -- are planted each year. In 22 chapters, the Manual details fundamental steps in establishing successful young pine plantations: regeneration planning, including economic and legal aspects; regeneration harvest methods; propagation by seed and vegetative techniques; bareroot and container seedling culturing in the nursery; measures of seedling quality; site potential; -- environment, associated vegetation, soils; matching species to sites; site preparation -- mechanical and chemical methods, fire, fertilization; seedling handling before planting; planting practices and measures of regeneration success; promoting early plantation growth and management of competing vegetation, insects, disease, and wildlife.
Del 36 - Forestry Sciences
Forest Regeneration Manual
AvMary L. Duryea,P.M . Dougherty
Häftad, Engelska, 1991
3 299 kr
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The Forest Regeneration Manual presents state-of-the-art information about current regeneration practices for southern pines in the United States. Over 1.2 billion seedlings of five major species -- loblolly, slash, longleaf, sand, and shortleaf -- are planted each year. In 22 chapters, the Manual details fundamental steps in establishing successful young pine plantations: regeneration planning, including economic and legal aspects; regeneration harvest methods; propagation by seed and vegetative techniques; bareroot and container seedling culturing in the nursery; measures of seedling quality; site potential; -- environment, associated vegetation, soils; matching species to sites; site preparation -- mechanical and chemical methods, fire, fertilization; seedling handling before planting; planting practices and measures of regeneration success; promoting early plantation growth and management of competing vegetation, insects, disease, and wildlife.
Mechanical Properties of Bamboo
AvJules J.A. Janssen
Inbunden, Engelska, 1991
1 653 kr
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In this book I have collected many reports on the properties of bamboo. Since I started bamboo research in 1974, I have collected many publications on bamboo. However, in contacts with other researchers I became aware of the fact that several of these publications were unknown to them. Consequently their activities in research or in bamboo projects had to start at a lower level than if they had known some of these publications. Therefore, I discussed the need for a book like this with several colleagues, and I decided to start writing. In this book I present data on properties, as published by resear chers. Certainly it is not complete; e.g. the proceedings of the bamboo workshop in Cochin in November 1988 are not included; they arrived just too late to be taken into account. On the other hand, in writing this preface I realize I have forgotten my own thesis. I do apologize to any colleague whose relevant report is not taken into account as well. I like to express my feelings of respect to the board of my faculty: they allowed me to spend so much time on this book, and they gave a considerable financial support for the printing costs.
In Vitro Culture of Trees
AvJ.M. Bonga,Patrick Aderkas
Inbunden, Engelska, 1992
1 653 kr
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Woody plants provide many challenges to the tissue culturist. Although there are many excellent tissue culture books and manuals available, these are generally strongly biased towards herbacious crops. Consequently, they often do not pay sufficient attention to the problems that specifically apply to in vitro culture of tree species. Culture of the latter often poses problems which are either absent or of lesser significance when culturing herbacious species. When trees in the field are used as explant source, the problems can be especially severe. For example, the physiological condition of the explants is difficult to control because of variation in weather and biotic factors. Furthermore, it is often difficult to obtain explants free of contaminants from field grown trees. Lack of genetic uniformity and maturation are additional problems one often has to deal with when culturing tree cells or tissues. These problems are emphasized in this text. In vitro culture of trees is not viewed in isolation. It is considered in conjunction with breeding, traditional cloning and other common tree improvement techniques. The text discusses theoretical as well as practical aspects of the in vitro culture of trees.
Handbook of Quantitative Forest Genetics
AvLauren Fins,S.T. Friedmanm. fl.
Inbunden, Engelska, 1992
2 202 kr
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This handbook was designed as a reference tool for forest geneticists, tree breeders and other tree improvement personnel, as well as a textbook for university courses and short-courses at the graduate level in quantitative genetics. The chapters focus on the decision points faced by quantitative geneticists and breeders in designing programs and analyzing data. Beginning with a justification for the use of quantitative genetics in decision making in tree improvement programs, the book continues with a brief presentation of fundamental principles, followed by discussions and evaluations of mating designs and field test designs, the use of best linear predictors to estimate breeding values, the use of computer programs in the analysis of variance for genetic information, the deployment of genetically improved stock for capturing gains, the use of economic models for program justification, and the development of seed transfer guidelines.
Ecology and Silviculture of Mixed-Species Forests
A Festschrift for David M. Smith
AvM.J. Kelty,Bruce C. Larsonm. fl.
Inbunden, Engelska, 1992
2 751 kr
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Much of the world's forested land is dominated by mixed-species stands. Understanding the complex structure and dynamics of these mixtures is a necessary step in the process of formulating appropriate silvicultural systems for their management. David M. Smith, Professor Emeritus of Silviculture at Yale University, has devoted much of his career to the study of the structure, development, and silvicultural treatment of these kinds of stands. This volume is presented by Professor Smith's collegues to honor the contributions he has made to the field. It contains both reviews of past work and results of current studies of mixed stands: topics range from analysis of forest dynamics in unmanaged stands to studies of silvicultural systems applied to mixtures, with examples drawn from boreal, temperate, and tropical regions. Much of the work stresses the importance of understanding the characteristic growth patterns of individual species within mixed stands, and how species interactions shape developmental patterns.
Del 41 - Forestry Sciences
Micropropagation of Woody Plants
AvM.R. Ahuja
Inbunden, Engelska, 1992
3 299 kr
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References 343 20. J. Zel: Micropropagation of Pinus sylvestris 347 1. Introduction 347 2. Micropropagation from embryos 347 3. Micropropagation from seedling explants 350 4. Conclusions 362 5. Summary 362 References 362 21. M. J. Hutzell and D. J. Durzan: Improved aseptic germination and controlled growth for micropropagation of Douglas fir 367 l. Introduction 367 2. Material and methods 367 3. Results and observations 369 4. Discussion 370 5. Summary 372 References 372 22. D. F. Karnosky, Y Huang and D. I. Shin: Micropropagation of Larix species and hybrids 373 1. Introduction 373 2. Micropropagation from juvenile tissues 373 3. Micropropagation from mature trees 376 4. Potential uses of and research needs for micropropagation 377 5. Summary 380 References 380 23. B. J. Nairn: Commercial micropropagation of radiata pine 383 1. Introduction 383 2. Protocols 386 3. Costs 392 4. Future aspects 393 5. Summary 393 References 394 24. P. S. Rao and T. R. Ganapathi: Micropropagation of palms 395 1. Coconut (Cocos nucifera L. ) 395 2. Date palm (Phoenix dactylifera L. ) 400 3. Oil palm (Elaeis guineensis Jacq. ) 405 4. Summary 414 References 415 XI Section III. Tree improvement 423 25. W.J. Libby and M. R. Ahuja: Micropropagation and clonal options in forestry 425 1. Introduction 425 2. Definitions of micropropagation and clonal options 425 3. The selection of genotypes for micropropagation 426 4. The testing of micropropagated clones 427 5. The genetics of clones 429 6. Uses 433 7.
Population Genetics of Forest Trees
Proceedings of the International Symposium on Population Genetics of Forest Trees Corvallis, Oregon, U.S.A., July 31-August 2,1990
AvW.T. Adams,Steven H. Straussm. fl.
Inbunden, Engelska, 1992
2 202 kr
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Tropical climates, which occur between 23°30'N and S latitude (Jacob 1988), encompass a wide variety of plant communities (Hartshorn 1983, 1988), many of which are diverse in their woody floras. Within this geographic region, temperature and the amount and seasonality of rainfall define habitat types (UNESCO 1978). The F AO has estimated that there 1 are about 19 million km of potentially forested area in the global tropics, of which 58% were estimated to still be in closed forest in the mid-1970s (Sommers 1976; UNESCO 1978). Of this potentially forested region, 42% is categorized as dry forest lifezone, 33% is tropical moist forest, and 25% is wet or rain forest (Lugo 1988). The species diversity of these tropical habitats is very high. Raven (1976, in Mooney 1988) estimated that 65% of the 250,000 or more plant species of the earth are found in tropical regions. Of this floristic assemblage, a large fraction are woody species. In the well-collected tropical moist forest of Barro Colorado Island, Panama, 39. 7% (481 of 1212 species) of the native phanerogams are woody, arborescent species (Croat 1978). Another 21. 9% are woody vines and lianas. Southeast Asian Dipterocarp forests may contain 120-200 species of trees per hectare (Whitmore 1984), and recent surveys in upper Amazonia re corded from 89 to 283 woody species ~ 10 cm dbh per hectare (Gentry 1988). Tropical communities thus represent a global woody flora of significant scope.
Role of Trees in Sustainable Agriculture
Review papers presented at the Australian Conference, The Role of Trees in Sustainable Agriculture, Albury, Victoria, Australia, October 1991
AvR.T. Prinsley
Inbunden, Engelska, 1992
1 104 kr
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Agroforestry research and development in Australia has been largely fragmented and many of the research results have never been published and are unknown. The purpose of this volume is to comprehensively review all of the research that has taken place in the field of agroforestry in Australia, including previously unpublished results, providing readers with the latest technical and economic information about using trees in agriculture for the control of salinity and erosion, for shelter and shade, and for the production of timber, fodder and minor forest productions. The book provides information concerning planted trees within all of these categories and includes special review of the management of native vegetation on farms. These papers also examine research needs where appropriate. This book stems from the National Australian Conference on "The Role of Trees in Sustainable Agriculture" which took place in Albury, Victoria, Australia in October, 1991. Each national review paper is based upon a summary of six or more state review research and development papers, prepared specifically for the national conference.The book should provide readers with a comprehensive overview of agroforestry research in Australia, which is introduced and summarized in the first chapter.
Somatic Embryogenesis in Woody Plants
Volume 3: Gymnosperms
AvS. Mohan Jain,Pramod P.K. Guptam. fl.
Inbunden, Engelska, 1995
3 080 kr
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The quality of human life has been maintained and enhanced for generations by the use of trees and their products. In recent years, ever rising human population growth has put tremendous pressure on trees and tree products; growing awareness of the potential of previously un exploited tree resources and environmental pollution have both accelerated development of new technologies for tree propagation, breeding and improvement. Biotechnology of trees may be the answer to solve the problems which cannot be solved by conventional breeding methods. The combination of biotechnology and conventional methods such as plant propagation and breeding may be a novel approach to improving and multiplying in large number the trees and woody plants. So far, plant tissue culture technology has largely been exploited in the propagation of ornamental plants, especially foliage house plants, by com- mercial companies. Generally, tissue culture of woody plants has been recal- citrant. However, limited success has been achieved in tissue culture of angiosperm and gymnosperm woody plants.A number of recent reports on somatic embryogenesis in woody plants such as Norway spruce (Picea abies), Loblolly pine (Pinus taeda), Sandalwood (Santalum album), Citrus, Mango (Mangifera indica), etc. offer a ray of hope of: (a) inexpensive clonal propa- gation for large-scale production of plants or "emblings" or "somatic embryo plants"; (b) protoplast work; (c) cryopreservation; (d) genetic transforma- tion; and (e) artificial or manufactured seed production.
Somatic Embryogenesis in Woody Plants
Volume I
AvS. Mohan Jain,Pramod P.K. Guptam. fl.
Inbunden, Engelska, 1995
2 202 kr
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The volumes in this series provide an update to progress on somatic embryogenesis in woody plants including both angiosperm and gymnosperm trees. In the past, most of the information on this subject was scattered in proceedings volumes, journals and biotechnology books. It has been difficult for the researchers and students to obtain comprehensive information on this rapidly growing subject from a single source. These books enable readers to get a clear view of this subject on historical, anatomical, physiological, biochemical and molecular aspects, and applications including protoplasts, cryopreservation, manufactured seed (artificial seed), genetic transformation, bioreactors, mutations, and future uses in forest plantations. Each selected woody plant mentioned is briefly introduced first, covering botany and genetics, importance and geographical distribution, breeding problems and in vitro propagation and problems of each selected woody plant. This is followed by a description of the initiation and maintenance of embryogenic cultures, embryo development and germination, and field trials (if any) of these plants.The books are intended for graduate students and researchers in forestry and horticulture as well as biotechnologists.
Somatic Embryogenesis in Woody Plants
Volume 2 — Angiosperms
AvS. Mohan Jain,Pramod P.K. Guptam. fl.
Inbunden, Engelska, 1995
2 202 kr
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The volumes in this series provide an update to progress on somatic embryogenesis in woody plants including both angiosperm and gymnosperm trees. In the past, most of the information on this subject was scattered in proceedings volumes, journals and biotechnology books. It has been difficult for the researchers and students to obtain comprehensive information on this rapidly growing subject from a single source. These books enable readers to get a clear view of this subject on historical, anatomical, physiological, biochemical and molecular aspects, and applications including protoplasts, cryopreservation, manufactured seed (artificial seed), genetic transformation, bioreactors, mutations, and future uses in forest plantations. Each selected woody plant mentioned is briefly introduced first, covering botany and genetics, importance and geographical distribution, breeding problems and in vitro propagation and problems of each selected woody plant. This is followed by a description of the initiation and maintenance of embryogenic cultures, embryo development and germination, and field trials (if any) of these plants.The books are intended for graduate students and researchers in forestry and horticulture as well as biotechnologists.
Agroforestry: Science, Policy and Practice
Selected papers from the agroforestry sessions of the IUFRO 20th World Congress, Tampere, Finland, 6–12 August 1995
AvIufro Congress,Fergus L. Sinclair
Inbunden, Engelska, 1995
1 653 kr
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Agroforestry research is central to developing methods for the sustainable use of natural renewable resources, evolving to address the needs of the coming century. It is necessary to consolidate the scientific gains made in process-oriented research and to develop a policy framework to encourage the adoption of sustainable land use practices. Agroforestry plays an important role in conserving forest resources, reducing the need for deforestation. Further, if "forest" is broadly defined as tree cover, agroforestry will also increase the proportion of woody biomass in farming landscapes. The papers selected for inclusion in this text establish agroforestry as an interdisciplinary science focused on the practical imperative of assisting farmers, forest dwellers and landscape-level planners to achieve sustainable food, fuel and timber production into the 21st century.
Fire in Ecosystems of Boreal Eurasia
AvJohann Georg Goldammer,Valentin Furyaev
Inbunden, Engelska, 1996
2 202 kr
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The volume analyzes the accumulated state of wildland fire science in the boreal forest zone of Eurasia. The volume is mainly based on research achievements from the former Soviet Union and on ongoing programs of the Russian Academy of Sciences. Selected contributions from fire ecology, remote sensing and atmospheric chemistry from boreal Fennoscandia and North America provide the latest state of research and the link to the global importance of fire in the boreal zone. In the context of global change research, boreal fire science is receiving increasing attention, e.g. related to prehistoric, historic and modern influences of fire on vegetation dynamics, the role of fire in the atmosphere, biogeochemical cycles and climate (carbon cycle, chemistry of the free troposphere and stratosphere, e.g. tropospheric ozone increase, stratospheric ozone depletion). The volume provides a basic analysis for upcoming international and interdisciplinary studies at regional and global scale, e.g. in the frame of the International Geosphere-Biosphere Programme (IGBP), particularly the IGBP Northern Eurasia Study, and the activities of the International Boreal Forest Research Association (IBFRA).
Somatic Cell Genetics and Molecular Genetics of Trees
AvM.R. Ahuja,Wout Boerjanm. fl.
Inbunden, Engelska, 1996
2 202 kr
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This text covers the latest developments in somatic cell genetics and molecular genetics of trees. The main topics included in this book are regeneration by organogenesis and somatic embryogenesis, gene expression and molecular physiology, molecular markers, genome mapping, gene transfer, and biotic/abiotic stress-related molecular characterizations.
Use of Remote Sensing in the Modeling of Forest Productivity
AvGholz,Henry L. Gholzm. fl.
Inbunden, Engelska, 1997
898 kr
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Remote sensing technologies may facilitate the measurement of some key forest properties which, when combined with other information contained in various computer models, may allow for the quantification of critical forest functions. This book explores how remote sensing and computer modeling can be combined to estimate changes in the carbon storage, or productivity, of forests - from the level of the leaf to the level of the globe.
Del 51 - Forestry Sciences
Assessment of Biodiversity for Improved Forest Planning
AvConference on Assessment of Biodiversity,Peter Bachmannm. fl.
Inbunden, Engelska, 1998
2 202 kr
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The `Global Biodiversity Strategy' signed in 1992 in Rio de Janeiro, and the resolutions at the Ministerial Conferences on the Protection of Forests in Europe in Strasbourg, 1990, and Helsinki, 1993, commit the signatory states to monitor nationally the state of biodiversity and to sustain the characteristic natural variation in the country. Sustainability and long-term planning are the two terms best describing the philosophy of traditional forest management practices. However, the traditional planning techniques are not primarily developed to maintain sustainability of biodiversity. The gap between the international commitments and the practices in forest assessment and management is obvious. This publication presents experience in methodology for assessing and monitoring the variation of ecosystems and habitats in relation to biodiversity conservation and for integrating biodiversity in regional planning of forest management and land use. The state of the art in the field of natural resource assessments with special reference to forest biodiversity is reviewed, progress in integrating data on biodiversity in forest management planning is presented and the information needs regarding biodiversity conservation and the question to what degree assessment methods for forest biodiversity can be simplified for practical applications are discussed. The book is intended for researchers and practitioners in the field of forest and environmental planning and environmental policies.
Impacts of Global Change on Tree Physiology and Forest Ecosystems
Proceedings of the International Conference on Impacts of Global Change on Tree Physiology and Forest Ecosystems, held 26–29 November 1996, Wageningen, The Netherlands
AvG.M.J. Mohren,K. Kramerm. fl.
Inbunden, Engelska, 1998
1 653 kr
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These proceedings fonn the outcome of an International Conference on "Impacts of Global change on Tree Physiology and Forest Ecosystems ", held from 26-29 November 1996, at Wageningen, The Netherlands. The conference brought together biologists, ecologists, and forest scientist working in the field of impacts of elevated CO and air pollution on tree physiology and forest ecosystems, and marked the 2 completion of a European COST action on "Impacts of Elevated C02 levels and Air Pollutants on Tree Physiology" (ICAT / COST-614), as well as the conclusion of the frrst phase of an EU-funded project entitled "Long-Term Effects of C02 and Climate Change on European Forests (LTEEF) ", that was carried out under the Environment and Climate Programme of the 4th Framework Programme (contract no's EV5V-CT94-0468 and PECOINIS-CT94-0112). The conference aimed to present an overview of current knowledge of effects of air pollution and climate change, at the biophysical, biochemical and physiological level of trees, against the background of climatic conditions and natural stresses. For the proceedings, we have asked the authors to provide an overview of their recent work, providing an entrance to a particular field of research rather than presenting unpublished material. The meeting took place at the International Agricultural Centre (lAC) with fmancial support provided by the COST-614 secretariat in Brussels. We like to thank mrs. A. van der Bunte of lAC for her support in organising the meeting, mr. A. J. H.
Del 53 - Forestry Sciences
Directions in Tropical Agroforestry Research
Adapted from selected papers presented to a symposium on Tropical Agroforestry organized in connection with the annual meetings of the American Society of Agronomy, 5 November 1996, Indianapolis, Indiana, USA
AvP. K. Ramachandran Nair,C.R. Latt
Inbunden, Engelska, 1998
1 653 kr
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Large areas of the warm, humid tropics in Southeast Asia, the Pacific, Latin America, the Caribbean, and Africa are hilly or mountainous. Jackson and Scherr (1995) estimate that these tropical hillside areas are inhabited by 500 million people, or one-tenth of the current world population, many of whom practice subsistence agriculture. The region most affected is Asia which has the lowest area of arable land per capita. Aside from limited areas of irrigated terraces, most of the sloping land, which constitutes 60% to 90% of the land resources in many Southeast Asian countries, has been by-passed in the economic development of the region (Maglinao and Hashim, 1993). Poverty in these areas is often high, in contrast to the relative wealth of irri gated rice farms in lowland areas that benefited from the green revolution. Rapid population growth in some countries is also exacerbating the problems of hillside areas. Increasingly, people are migrating from high-potential lowland areas where land is scarce to more remote hillside areas. Such migra tion, together with inherent high population growth, is forcing a transforma tion in land use from subsistence to permanent agriculture on fragile slopes, and is creating a new suite of social, economic, and environmental problems (Garrity, 1993; Maglinao and Hashim, 1993).
Somatic Embryogenesis in Woody Plants
Volume 4
AvS.M. Jain,Pramod P.K. Guptam. fl.
Inbunden, Engelska, 1999
2 202 kr
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This book volume has been divided into three sections and contains a total of 23 chapters. Section A contains eleven chapters covering topics such as studies of embryo development and cell biology of white spruce, proliferative somatic embryogenesis in woody species, somatic embryo germination and desiccation tolerance in conifers, performance of conifer somatic seedlings, apoptosis during early somatic embryogenesis, water relation parameters in conifer embryos, image analysis of somatic embryos, somatic embryogenesis in woody legumes, cold storage and crypreservation, and commercialization of plant somatic embryogenesis. Section B comprisis six chapters dealing with angiosperm woody plants such as somatic embryogenesis in myrtaceous plants, Laurus nobilis, Simarouba glauca, Magnolia spp., Juglans cinera, and somatic embryogenesis and evaluation of variability in somatic seedlings of Quercus serrata by RAPD markers. The chapters contained in Section C are focussed on somatic embryogenesis in gymnosperms, including Pinus patula, Encephalartos, Picea wilsonii, Pinus banksiana, hybrid firs, and Taxus.All the mansucripts have been peer reviewed and revised accordingly to improve the quality of these chapters. The final manuscripts were submitted as camera- ready to publication, and editors had no opportunity to go through them again before the final printing. Authors were advised to prepare final camera-ready manuscripts carefully to avoid any mistakes. Therefore, editors are not respon- sible for mistakes, if any, in this book volume. We are grateful to all the book chapter contributors for submitting their manuscripts in time, and to the reviewers for giving their free time to review the manuscripts.
Planted Forests: Contributions to the Quest for Sustainable Societies
AvJames Reid Boyle,Jack K. Winjumm. fl.
Inbunden, Engelska, 1999
2 202 kr
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Planted forests, from irrigated eucalypts in Brazil to Douglas-fir seedlings in the mountains of Oregon, are described and discussed by international experts. The varieties, purposes, forms, and ecological, economic and social aspects of planted forests are considered in technical details and in case studies from temperate and tropical regions of the world.
Modern Time Series Analysis in Forest Products Markets
AvJens Abildtrup,F. Hellesm. fl.
Inbunden, Engelska, 1998
1 653 kr
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Since 1993 a major research programme, "Stochastic Decision Analysis in Forest Management" has been running at Department of Economics and Natural Resources, The Royal Veterinary and Agricultural University (KVL), Copenhagen, in collaboration with Institute of Mathematical Statistics, University of Copenhagen (KU). The research is funded by the two Universities; The Danish Agricultural and Veterinary Research Council; The Danish Research Academy; The National Forest and Nature Agency; and Danish Informatics Network in the Agricultural Sciepces (DINA). A first international workshop in the research programme was held 5 - 8 August, 1996 at Eldrupgaard, Denmark, within the frameworkofacollaborationagreementbetween University of California at Berkeley (UCB) and the Danish Universities, and funded by The Danish Research Academy and the L0venholm Foundation. Having participated in the workshop, Professor Peter Berck (UCB) suggested that the papers be published along with selected papers in the same scientific field, i.e. mainly cointegration analysis of time series in forestry.The editors express their sincere appreciations to the many persons who have contributed to the realisation of the present book: participants in the research programme and the workshop, in particular Professors S0ren Johansen (KU) and Peter Berck (UCB); authors outside the programme/workshop; reviewers of the papers not previously published, in particuler Associate Professors Niels Haldrup (Aarhus University) and Henrik Hansen (KVL); and finally Mrs Mette Riis and Lizzie Rohde who did the tedious work of giving the papers a uniform style. Copenhagen, October 1998.
Somatic Embryogenesis in Woody Plants
Volume 5
AvRonald J. Newton,S.M. Jainm. fl.
Inbunden, Engelska, 1999
2 202 kr
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Covering topics such as somatic embryogenesis in Ocotea catharinensis, Tilia spp., Swiententia macrophylla, Eucalyptus grandii and E. dunni, Gnetum ula, Araujia sericifera, Aralia elata, Hoheria angustifolia, Robinia pseudoacacia, and Indian tree legumes. Section B contains three chapters dealing with somatic embryogenesis in selected fruit trees, including kiwi fruit (Actinida sp.), avocado (Persea americana), and Prunus spp. Section C comprises two chapters related to somatic embryogenesis in commercial plantation crops such as tea (Camellia sinensis) and coffee. Section D has two chapters on genetic transformation of conifers, and somatic embryos of fruit trees and grapevine.
Agroforestry for Sustainable Land-Use Fundamental Research and Modelling with Emphasis on Temperate and Mediterranean Applications
Selected papers from a workshop held in Montpellier, France, 23–29 June 1997
AvD. Auclair,Daniel Auclairm. fl.
Inbunden, Engelska, 1999
1 653 kr
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This volume comprises a selection of original contributions presented at a workshop held in Montpellier, France, in June 1997. The two main objectives of the workshop were, firstly, to bring together what is understood about the processes underlying agroforestry practice, and, secondly, to provide a forum to explore relevant models and modelling approaches. The workshop was also able to play a role in examining the agroforestry systems encountered in temperate and Mediterranean areas, including both traditional and more innovative agroforestry practices. The main aspects discussed were ecological interactions amongst components, environmental impact, economics and policy modelling.
Del 61 - Forestry Sciences
Multiple Use of Forests and Other Natural Resources
Aspects of Theory and Application
AvF. Helles,Per Holten-Andersenm. fl.
Inbunden, Engelska, 1999
1 653 kr
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In 1996 a major six-year research programme, 'Economic Optimisation of Multiple-Use Forestry and Other Natural Resources' was implemented at Department of Economics and Natural Resources, The Royal Veterinary and Agricultural University (KVL), Copenhagen. The research is funded by KVL; The Danish Agricultural and Veterinary Research Council; The Danish Research Academy; The Danish Forest and Landscape Institute; The Danish Forest and Nature Agency; and The Danish Environmental Protection Agency. The overall objective of the research programme is to enhance the economic theory of sustainable multiple-use forestry and landscape management planning. Emphasis is on decision-making ! management planning from an economic point of view, the basic criterion being rationality as implemented by application of Operations Research methods with regard to sustainable and multiple use of forests and other natural resources in the landscape. The research programme benefits from collaboration agreements with University of California at Berkeley, Department of Agricultural and Resource Economics, and Oregon State University, Department of Forest Resources. As part of the research programme, a second international conference and workshop was held 6 - 12 August, 1998 at KVL, with the title: '2nd Berkeley-KVL Conference on Natural Resource Management -Design and Implementation of Multiple-Use Management'. This event was financed by The Danish Research Academy. Some of the papers presented were selected for peer-reviewing and subsequent publishing. The outcome is the present book in which no paper has been previously published.
Global Concerns for Forest Resource Utilization
Sustainable Use and Management
AvAtsushi Yoshimoto,Kiyoshi Yukutake
Inbunden, Engelska, 1999
1 703 kr
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This book is a collection of papers presented at the international symposium on forest sector analysis held in Miyazaki, Japan, in 1998. It is structured with three themes: understanding global forest sector issues, discussing the contribution of modeling efforts to forest sector analysis, and discussing the role of Japanese forest policy in a global sense. The most important features are the case studies using various types of forest sector models. From a modeling perspective, changes in modeling efforts include more detail of spatial and multiple market levels, intergenerational welfare concerns, non-market valuation issues, and explicit treatment of the uncertainty inherent in both the policy process and in the biophysical systems. The reader of this book will benefit not only from presentation of forest utilization issues in different nations, but also from the interrelatedness of the theory and application of forest sector modeling.

Forestry Sciences – serie

Operational Efficiency in Forestry

Predicting Breeding Values with Applications in Forest Tree Improvement

Conifer Manual

Agroforestry Education and Training: Present and Future

Forest Regeneration Manual

Forest Regeneration Manual

Mechanical Properties of Bamboo

In Vitro Culture of Trees

Handbook of Quantitative Forest Genetics

Ecology and Silviculture of Mixed-Species Forests

Micropropagation of Woody Plants

Population Genetics of Forest Trees

Role of Trees in Sustainable Agriculture

Somatic Embryogenesis in Woody Plants

Somatic Embryogenesis in Woody Plants

Somatic Embryogenesis in Woody Plants

Agroforestry: Science, Policy and Practice

Fire in Ecosystems of Boreal Eurasia

Somatic Cell Genetics and Molecular Genetics of Trees

Use of Remote Sensing in the Modeling of Forest Productivity

Assessment of Biodiversity for Improved Forest Planning

Impacts of Global Change on Tree Physiology and Forest Ecosystems

Directions in Tropical Agroforestry Research

Somatic Embryogenesis in Woody Plants

Planted Forests: Contributions to the Quest for Sustainable Societies

Modern Time Series Analysis in Forest Products Markets

Somatic Embryogenesis in Woody Plants

Agroforestry for Sustainable Land-Use Fundamental Research and Modelling with Emphasis on Temperate and Mediterranean Applications

Multiple Use of Forests and Other Natural Resources

Global Concerns for Forest Resource Utilization