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Global Fisheries: Perspectives for the 1980s
ISBN: 9781461254690 / Angielski / Miękka / 289 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This series is dedicated to serving the growing community of scholars and practitioners concerned with the principles and applications of environ- mental management. Each volume is a thorough treatment of a specific topic of importance for proper management practices. A fundamental objective of these books is to help the reader discern and implement man's stewardship of our environment and the world's renewable re- sources. For we must strive to understand the relationship between man and nature, act to bring harmony to it, and nurture an environment that is both stable and productive. These...
This series is dedicated to serving the growing community of scholars and practitioners concerned with the principles and applications of environ- men...
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402,53 |
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Tropical Montane Cloud Forests
ISBN: 9781461275640 / Angielski / Miękka / 407 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Until relatively recently the valuable tropical montane cloud forests (hereaf- ter usually referred to as TMCFs) of the world had scarcely come under the assaults experienced by the downslope montane and lowland forests. TMCFs are not hospitable environments for human occupation, and their remoteness (except in places near Andean high mountain settlements and in the Ethiopian Highlands) and difficult terrain have given them de facto protection. The ad- jacent upper montane rain forests have indeed been under assault for timber, fuelwood, and for conversion to grazing and agriculture for many...
Until relatively recently the valuable tropical montane cloud forests (hereaf- ter usually referred to as TMCFs) of the world had scarcely come under ...
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644,07 |
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Advances in Soil Science: Volume 18
ISBN: 9781461276937 / Angielski / Miękka / 309 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Advances in Soil Science was conceived in 1982 to provide a forum for leading international scientists to analyze and summarize the available scientific information on a subject, assessing its importance and ident ifying additional research needs. This goal seems even more appropriate today. Much is known about our soil resources. The principles learned and the technology developed need to be used to increase food pro duction, particularly in developing countries, and sustain the productivity of the resource base. Advances in Soil Science fills a gap between the scientific journals and the...
Advances in Soil Science was conceived in 1982 to provide a forum for leading international scientists to analyze and summarize the available scientif...
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402,53 |
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Limitations to Plant Root Growth
ISBN: 9781461277118 / Angielski / Miękka / 226 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In the past 10 years, there has been a resurgence in interest in soil management and conservation of the soil resource. With the knowledge we have accumulated in the past 100 years, there is the possibility of developing new and innovative ways of effectively managing the soil. The emphasis on sustainable agriculture requires that we understand how to utilize the soil as a viable living resource. To meet the world demand for food within the next 50 years requires a healthy and strong soil resource which can sustain production. With the dedication of the National Soil Tilth Laboratory in 1989,...
In the past 10 years, there has been a resurgence in interest in soil management and conservation of the soil resource. With the knowledge we have acc...
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402,53 |
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Advances in Soil Science: Volume 20
ISBN: 9781461277248 / Angielski / Miękka / 314 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The key to sustaining the soil resource base is to maintain, or enhance, soil quality. Soil quality cannot be seen or measured directly from the soil alone but is inferred from soil characteristics and soil behavior under defined conditions. In essence, the quality of soils is analogous to the health of humans, and just as there is no single characteristic that can be measured to quantify a person's health, there is no single measurement that can quantify soil quality. However, there are certain characteristics, particularly when considered together, that are good indicators. Soil quality,...
The key to sustaining the soil resource base is to maintain, or enhance, soil quality. Soil quality cannot be seen or measured directly from the soil ...
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402,53 |
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The Response of Western Forests to Air Pollution
ISBN: 9781461277347 / Angielski / Miękka / 532 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. John Sculley In the short history of personal computing, the task of the software programmer has been one of the least recognized-but one of the most significant-in the industry. In addition to defining the prob- lems, and presenting the solutions, the software programmer is con- fronted with the challenge of having to predict what combination of ideas and technologies will move the industry forward in the most compelling way. Even though we've seen the development of tremendous applications in a surprisingly short period of time, the most difficult problems often surface when we try to...
John Sculley In the short history of personal computing, the task of the software programmer has been one of the least recognized-but one of the most ...
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201,24 |
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Air Pollution and Forests: Interactions Between Air Contaminants and Forest Ecosystems
ISBN: 9781461279556 / Angielski / Miękka / 618 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This series is dedicated to serving the growing community of scholars and practitioners concerned with the principles and applications of environmental management. Each volume will be a thorough treatment of a specific topic of importance for proper management practices. A fundamental objective of these books is to help the reader discern and implement human's stewardship of our environment and the world's renewable resources. For we must strive to understand the relationship between humankind and nature, act to bring harmony to it, and nurture an environment that is both stable and...
This series is dedicated to serving the growing community of scholars and practitioners concerned with the principles and applications of environmenta...
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cena:
402,53 |
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Remote Sensing of Biosphere Functioning
ISBN: 9781461279587 / Angielski / Miękka / 312 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Harold A. Mooney and Richard J. Hobbs At present there is enormous concern about the changes that are occurring on the surface of the earth and in the earth's atmosphere, primarily as a result of human activities. These changes, particularly in the atmosphere, have the potential for altering the earth's habitability. International pro- grams unprecedented in scope, including the International Geosphere- Biosphere Program, have been initiated to describe and understand these changes. The global change program will call for coordinated measure- ments on a global scale of those interactive...
Harold A. Mooney and Richard J. Hobbs At present there is enormous concern about the changes that are occurring on the surface of the earth and in the...
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402,53 |
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Mechanisms of Woody Plant Defenses Against Insects: Search for Pattern
ISBN: 9781461283683 / Angielski / Miękka / 416 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In 1984, a new research working party on mechanismsofwoody plant resistance against insects and pathogens(lUFROS2. 05-06) was formed in the International Union ofForestryResearchOrganizations. Thepurposeofthisworkingparty istostimulate and facilitate research progress in this areathroughenhancedcommunication among themany researchscientistsscatteredamongthevariouscountriesoftheworld. This volume istheresultofthe first internationalsymposiumofthisworkingparty, which took place in Orleans. France on August 26-29, 1986. Thanks are due to Institute Nationalde laRechercheAgronomique,...
In 1984, a new research working party on mechanismsofwoody plant resistance against insects and pathogens(lUFROS2. 05-06) was formed in the Internatio...
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402,53 |
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Tree Breeding: Principles and Strategies: Principles and Strategies
ISBN: 9781461283928 / Angielski / Miękka / 180 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. It has become apparent, during discussions with students and colleagues in forest genetics, that a universal concern is the achievement of diverse goals of forestry from fiber production in industrial as well as farm forests to conserving forest ecosystems. Although we generally have several breeding methods available and several species to breed, we seek to satisfy multiple-use goals on diverse sites by management techniques that at best can only partially control edaphic environmental variation. The dominant approach, which was agriculturally motivated, has involved inten sive effort with...
It has become apparent, during discussions with students and colleagues in forest genetics, that a universal concern is the achievement of diverse goa...
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201,24 |
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Forest Ecosystems in the Alaskan Taiga: A Synthesis of Structure and Function
ISBN: 9781461293538 / Angielski / Miękka / 230 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The information presented in this book is the result of combined research efforts of scientists at the University of Alaska, Fairbanks, the Institute of Northern Forestry, USDA Forest Service, and the Systems Ecology Research Group, San Diego State University. The objective of the volume is to present a synthetic overview of structure and function of taiga forest ecosystems in interior Alaska. The data base for this work has appeared in earlier published articles including the special issue of the Canadian Journal of Forest Research Volume 13:5 (1983). Stimulus for this book was a conference...
The information presented in this book is the result of combined research efforts of scientists at the University of Alaska, Fairbanks, the Institute ...
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402,53 |
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Effects of Land-Use Change on Atmospheric Co2 Concentrations: South and Southeast Asia as a Case Study
ISBN: 9781461383659 / Angielski / Miękka / 386 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Roger C. Dahlman Environmental Sciences Division U.S. Department of Energy Washington, D.C. The potential for humans to alter Earth's atmosphere has been recognized since the end of the 19th century when Arrhenius estimated that a doubling of atmospheric carbon dioxide could alter the atmospheric radiation balance and raise average global temperature. Today, atmospheric CO concentrations play an important part in the 2 climate-change debate. Sources and sinks of CO associated with land use can be 2 significant determinants of the rate and magnitude of atmospheric CO change. 2 Combustion of...
Roger C. Dahlman Environmental Sciences Division U.S. Department of Energy Washington, D.C. The potential for humans to alter Earth's atmosphere has b...
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402,53 |
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Reintegrating Fragmented Landscapes: Towards Sustainable Production and Nature Conservation
ISBN: 9781461392163 / Angielski / Miękka / 332 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Social historians will look back on the 1980s as a period when a global consciousness of the environment developed. Stimulated by major issues and events such as oil and chemical spills, clearing of rainforests, pollu tion of waterways, and, towards the end of the decade, concern over the greenhouse effect, concern for the environment has become a major social and political force. Unfortunately, the state of the environment and its future manage ment are still very divisive issues. Often, at a local level, concern for the environment is the antithesis of development. The debate usually...
Social historians will look back on the 1980s as a period when a global consciousness of the environment developed. Stimulated by major issues and eve...
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402,53 |
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Dutch ELM Disease Research: Cellular and Molecular Approaches
ISBN: 9781461568742 / Angielski / Miękka / 344 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Dutch elm disease is a significant problem in forestry and horticulture which has proven remarkably difficult to ameliorate. Since the introduction of the Dutch elm disease pathogen to North America, the disease has devastated the elm population of this continent and has been the subject of intensive research. This book summarizes the range of approaches that have been taken to address the disease, and emphasizes the significant progress over the past decade in applying methods from cell and molecular biology. Dutch Elm Disease: Cellular and Molecular Approaches will be of...
Dutch elm disease is a significant problem in forestry and horticulture which has proven remarkably difficult to ameliorate. Since the introduction of...
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402,53 |
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Physiological Ecology of the Alpine Timberline: Tree Existence at High Altitudes with Special Reference to the European Alps
ISBN: 9783642671098 / Angielski / Miękka / 140 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In the European Alps the importance of forests as protection against ava- lanches and soil erosion is becoming ever clearer with the continuing increase in population and development of tourism. The protective potential of the moun- tain forests can currently only be partially realised because a considerable propor- tion of high-altitude stands has been destroyed in historical times by man's extensive clearing ofthe forests. The forests still remaining are of limited effec- tiveness, due to inadequate density of trees and over-maturity. Considerable efforts, however, are now being made in the...
In the European Alps the importance of forests as protection against ava- lanches and soil erosion is becoming ever clearer with the continuing increa...
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cena:
526,77 |
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Insektizide - Bakterizide - Oomyceten-Fungizide / Biochemische Und Biologische Methoden - Naturstoffe / Insecticides - Bactericides - Oomycete Fungici
ISBN: 9783642677809 / Angielski / Miękka / 512 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Der vorliegende 6. Band konnte die Oberschrift Pflanzenschutzforschung auf neuen Wegen tragen. Trotz der verbreiteten, meist aufmangelndem Informations stand beruhenden Voreingenommenheit gegen den chemischen Pflanzenschutz, nimmt dessen Bedeutung sHindig zu. Das beruht auf der Notwendigkeit einer sicheren und rationellen landwirtschaftlichen Produktionssteigerung, die durch das rapide Wachstum der WeItbevolkerung erzwungen wird. Zwar ist die land wirtschaftliche Produktivitat auch in einigen Entwicklungslandern wahrend der letzten 15 Jahre merklich gestiegen, sie haIt aber vielfach mit der...
Der vorliegende 6. Band konnte die Oberschrift Pflanzenschutzforschung auf neuen Wegen tragen. Trotz der verbreiteten, meist aufmangelndem Information...
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402,53 |
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Fertilization of Dryland and Irrigated Soils
ISBN: 9783642683299 / Angielski / Miękka / 190 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Much has been learned about the proper and judicious use of fertilizers. Fertilizer application by farmers has grown from an art to a science. As food producers have strived to increase crop yields by overcoming nutrient deficiencies the use of fertil izers has increased dramatically. This has created a large chemical industry capable of supplying the needed plant food elements. A more complete understanding of soil chemistry and plant nutrition has led to greater fertilizer use with improved fertilization methods and crop cultural practices. Improved fertilizer technology has led to the...
Much has been learned about the proper and judicious use of fertilizers. Fertilizer application by farmers has grown from an art to a science. As food...
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563,56 |
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The Chemistry of Organophosphorus Pesticides
ISBN: 9783642684432 / Angielski / Miękka / 362 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Rapid progress in the field of organophosphate compounds has made this new edition necessary. Particular attention has been paid to new developments in biologically active products as this is probably of greatest interest to practical chemists. I have therefore updated the chapter on chemistry and, in connection with this, rewritten the chapter on metabolism. I should especially like to thank Professor Dr. HELLMUT HOFFMANN for his constant encouragement and interest in my work and for many fruitful discus sions. The co-author to the 1st edition, Dr. KARL-JULIUS SCHMIDT, died suddenly on...
Rapid progress in the field of organophosphate compounds has made this new edition necessary. Particular attention has been paid to new developments i...
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526,77 |
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Changing Metal Cycles and Human Health: Report of the Dahlem Workshop on Changing Metal Cycles and Human Health, Berlin 1983, March 20-25
ISBN: 9783642693168 / Angielski / Miękka / 446 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. of metal interactions with subcellular biochemical systems usually either are metabolites of the system affected (porphyrinurias) or represent some specific function of a cellular system being impaired (proteinurias). One typically finds a continuum of symptoms, from the subtle or so-called "no effect" bio chemical and physiological indicators of exposure to severe clinical disease and death. This continuum is the basis of much of the controversy since many health officials follow the traditional practice of applying the "threshold health-effect" concept in evaluating the problems of...
of metal interactions with subcellular biochemical systems usually either are metabolites of the system affected (porphyrinurias) or represent some sp...
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402,53 |
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Sterol Biosynthesis Inhibitors and Anti-Feeding Compounds
ISBN: 9783642697920 / Angielski / Miękka / 156 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Living organisms are separated from the outside world by their membranes, which perform important roles for maintaining their lives. Sterols are indispensable com- ponents in eukaryotic organisms for stabilizing membranes composed of phospho- lipid bilayers. Most prokaryotic organisms, on the other hand, do not contain sterols in their membranes, although recent studies indicated that the bacterium Methylo- coccus capsulatus produces sterols 1) and many strains of Mycoplasma, bacteria without cell walls, require sterols as an essential growth factor 2). Some bacterial species synthesize...
Living organisms are separated from the outside world by their membranes, which perform important roles for maintaining their lives. Sterols are indis...
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cena:
402,53 |
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