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15 produkter
15 produkter
Inbunden, Engelska, 2001
856 kr
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The interactions of biogeochemical cycles influence and maintain our climate system. Land use and fossil fuel emissions are currently impacting the biogeochemical cycles of carbon, nitrogen and sulfur on land, in the atmosphere, and in the oceans.This edited volume brings together 27 scholarly contributions on the state of our knowledge of earth system interactions among the oceans, land, and atmosphere. A unique feature of this treatment is the focus on the paleoclimatic and paleobiotic context for investigating these complex interrelationships.* Eight-page colour insert to highlight the latest research* A unique feature of this treatment is the focus on the paleoclimatic context for investigating these complex interrelationships.
Inbunden, Engelska, 2004
3 206 kr
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One of the central research themes in ecology is evaluating the extent to which biological richness is necessary to sustain the Earth's system and the functioning of individual ecosystems. In this volume, for the first time, the relationship between biodiversity and ecosystem processes in forests is thoroughly explored. The text examines the multiple effects of tree diversity on productivity and growth, biogeochemical cycles, animals, pests, and disturbances. Further, the importance of diversity at different scales, ranging from stand management to global issues, is considered. The authors provide both extensive reviews of the existing literature and own datasets. The volume is ideally suited for researchers and practitioners involved in ecosystem management and the sustainable use of forest resources.
Inbunden, Engelska, 2006
2 673 kr
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he „Atlas of Woody Plant Stems“ is a com- Naturally, it was impossible to cover completely the Tprehensively illustrated book with short, in- enormous variability of plant life forms. We have formative texts. We chose this layout because plant tried, however, to illustrate the main principles and anatomy and morphology can only be conveyed by features. Many decades of collection and prepa- detailed pictures. In addition, a vivid presentation tion provided the basis for this book. should attract a broader public, not only the s- cialist. We hope that the combination of anatomy Fritz Schweingruber would like to thank the Swiss and morphology will create interest and curiosity. Federal Research Institute WSL, that offered him Amateurs will enjoy the wide range of pictures; hospitality after his retirement. The authors thank all interested readers will be caught by particular chap- the students and colleagues that have, for decades, ters; specialists will delve into aspects and photo- collected and prepared samples, and who helped graphs that may have never been presented before; with the English translations. Thanks to John Kirby teachers may use the pictures for illustrations in who made the fnal English editing. classes with students.
Häftad, Engelska, 1994
540 kr
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The biota of the earth is being altered at an unprecedented rate. We are witnessing wholesale exchanges of organisms among geographic areas that were once totally biologically isolated. We are seeing massive changes in landscape use that are creating even more abundant succes sional patches, reductions in population sizes, and in the worst cases, losses of species. There are many reasons for concern about these trends. One is that we unfortunately do not know in detail the conse quences of these massive alterations in terms of how the biosphere as a whole operates or even, for that matter, the functioning of localized ecosystems. We do know that the biosphere interacts strongly with the atmospheric composition, contributing to potential climate change. We also know that changes in vegetative cover greatly influence the hydrology and biochemistry ofa site or region. Our knowledge is weak in important details, however. How are the many services that ecosystems provide to humanity altered by modifications of ecosystem composition? Stated in another way, what is the role of individual species in ecosystem function? We are observing the selective as well as wholesale alteration in the composition of ecosystems. Do these alterations matter in respect to how ecosystems operate and provide services? This book represents the initial probing of this central ques tion. It will be followed by other volumes in this series examining in depth the functional role of biodiversity in various ecosystems of the world.
Häftad, Engelska, 1995
1 073 kr
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In a world of increasing atmospheric CO2, there is intensified interest in the ecophysiology of photosynthesis and increasing attention is being given to carbon exchange and storage in natural ecosystems. We need to know how much photosynthesis of terrestrial and aquatic vegetation will change as global CO2 increases. Are there major ecosystems, such as the boreal forests, which may become important sinks of CO2 and slow down the effects of anthropogenic CO2 emissions on climate? Will the composition of the vegetation change as a result of CO2 increase?This volume reviews the progress which has been made in understanding photosynthesis in the past few decades at several levels of integration from the molecular level to canopy, ecosystem and global scales.
Häftad, Engelska, 2010
1 103 kr
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This textbook covers Plant Ecology from the molecular to the global level. It covers the following areas in unprecedented breadth and depth:- Molecular ecophysiology (stress physiology: light, temperature, oxygen deficiency, drought, salt, heavy metals, xenobiotica and biotic stress factors)- Autecology (whole plant ecology: thermal balance, water, nutrient, carbon relations)- Ecosystem ecology (plants as part of ecosystems, element cycles, biodiversity)- Synecology (development of vegetation in time and space, interactions between vegetation and the abiotic and biotic environment)- Global aspects of plant ecology (global change, global biogeochemical cycles, land use, international conventions, socio-economic interactions)The book is carefully structured and well written: complex issues are elegantly presented and easily understandable. It contains more than 500 photographs and drawings, mostly in colour, illustrating the fascinating subject.The book is primarily aimed at graduate students of biology but will also be of interest to post-graduate students and researchers in botany, geosciences and landscape ecology. Further, it provides a sound basis for those dealing with agriculture, forestry, land use, and landscape management.
Häftad, Engelska, 2010
3 206 kr
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One of the central research themes in ecology is evaluating the extent to which biological richness is necessary to sustain the Earth's system and the functioning of individual ecosystems. In this volume, for the first time, the relationship between biodiversity and ecosystem processes in forests is thoroughly explored. The text examines the multiple effects of tree diversity on productivity and growth, biogeochemical cycles, animals, pests, and disturbances. Further, the importance of diversity at different scales, ranging from stand management to global issues, is considered. The authors provide both extensive reviews of the existing literature and own datasets. The volume is ideally suited for researchers and practitioners involved in ecosystem management and the sustainable use of forest resources.
Inbunden, Engelska, 2011
1 502 kr
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The global perspective of the findings is underlined by the analysis of 500 species from the Caucasus, the Rocky Mountains and Andes, the subtropical zone on the Canary Islands, the arid zones in the Sahara, in Eurasia, Arabia and Southwest North America, and the boreal and arctic zones in Eurasia and Canada.
Inbunden, Engelska, 2012
1 502 kr
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This work, published in two volumes, contains descriptions of the wood and bark anatomies of 3000 dicotyledonous plants of 120 families, highlighting the anatomical and phylogenetic diversity of dicotyledonous plants of the Northern Hemisphere. The first volume principally treats families of the Early Angiosperms, Eudicots, Core Eudicots and Rosids, while the second concentrates on the Asterids. Presented in Volume 2 are microsections of the xylem and phloem of herbs, shrubs and trees of 1000 species and ca. 35 families of various life forms of the temperate zone along altitudinal gradients from the lowland at the Mediterranean coast to the alpine zone in Western Europe. Special attention is given to the very diverse family of Asteraceae. The global perspective of the findings is underlined by the analysis of 400 species from the Caucasus, the Rocky Mountains and Andes, the subtropical zone on the Canary Islands, the arid zones in the Sahara, in Eurasia, Arabia and Southwest North America, New Zealand and the boreal and arctic zones in Eurasia and Canada. The presence of annual rings in all life forms demonstrates that herbs and dwarf shrubs are an excellent tool for the reconstruction of annual biomass production and the interannual dynamic of plant associations. The common principle of the anatomical expression of secondary growth is a key factor in understanding evolution and adaptation processes in all life forms, from the 3 cm tall crepide pigmea (Crepis pygmaea) in the alpine zone to the 40 m tall ash (Fraxinus excelsior) in Central European riparian forests. The study opens vast fields of research for dendrochronology, wood anatomy, taxonomy and ecology.
Häftad, Engelska, 2014
2 673 kr
Skickas inom 10-15 vardagar
he „Atlas of Woody Plant Stems“ is a com- Naturally, it was impossible to cover completely the Tprehensively illustrated book with short, in- enormous variability of plant life forms. We have formative texts. We chose this layout because plant tried, however, to illustrate the main principles and anatomy and morphology can only be conveyed by features. Many decades of collection and prepa- detailed pictures. In addition, a vivid presentation tion provided the basis for this book. should attract a broader public, not only the s- cialist. We hope that the combination of anatomy Fritz Schweingruber would like to thank the Swiss and morphology will create interest and curiosity. Federal Research Institute WSL, that offered him Amateurs will enjoy the wide range of pictures; hospitality after his retirement. The authors thank all interested readers will be caught by particular chap- the students and colleagues that have, for decades, ters; specialists will delve into aspects and photo- collected and prepared samples, and who helped graphs that may have never been presented before; with the English translations. Thanks to John Kirby teachers may use the pictures for illustrations in who made the fnal English editing. classes with students.
Häftad, Engelska, 2011
1 606 kr
Skickas inom 10-15 vardagar
During the last decade, forest decline has become increasingly apparent. The decline in forest health was often reported to be associated with air pollution. The present study on Norway spruce stands in the Fichtelgebirge analyses various processes interacting within forest ecosystems. It covers transport and deposition of air pollutants, the direct effects of pollutants on above-ground plant parts, the responses of soil to acid rain, and the changing nutrient availability, and the accompanying effects on plant metabolism and growth. The role of fungi, microorganisms and soil animals in the decline of these stands is also assessed. The volume is concluded with a synthesis evaluation of the influence of different factors, and their interactions on forest decline.
Häftad, Engelska, 2011
1 073 kr
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The identification of inputs and outputs is the first and probably most important step in testing and analyzing complex systems. Following accepted natural laws such as the conservation of mass and the principle of electroneutrality, the input/output analysis of the system, be it steady or in connection with perturbations will reveal the status dynamic, will identify whether changes are reversible or irreversible and whether changing the input will cause a hysteresis response. Moreover, measurements ofinput and output fluxes can indicate the storage capacity ofa system, its resilience to buffer or amplify variations of the external input, and it can identify structural changes. Therefore, to a certain extent, the input/output analysis can facilitate predictions about the ecosystem stability. The measurement of fluxes and the determination of inputs and outputs of eco systems are, in many aspects, analogous to measurements done by engineers when testing an electronic apparatus. The first step is the measurement ofthe input/output properties of the instrument as a whole, or ofvarious circuit boards, and the compari· son ofthese with the expected variations of the original design. Varying input and out· put can give valuable information about the stability and the regulatory properties of the device. Nevertheless, only the circuit as an entity has specific properties which cannot be anticipated if the individual components are investigated regardless oftheir position. Also, the instrument as a whole will have different input/output properties than its subcircuits.
Häftad, Engelska, 2016
1 502 kr
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The global perspective of the findings is underlined by the analysis of 500 species from the Caucasus, the Rocky Mountains and Andes, the subtropical zone on the Canary Islands, the arid zones in the Sahara, in Eurasia, Arabia and Southwest North America, and the boreal and arctic zones in Eurasia and Canada.
Häftad, Engelska, 2016
1 502 kr
Skickas inom 10-15 vardagar
This work, published in two volumes, contains descriptions of the wood and bark anatomies of 3000 dicotyledonous plants of 120 families, highlighting the anatomical and phylogenetic diversity of dicotyledonous plants of the Northern Hemisphere. The first volume principally treats families of the Early Angiosperms, Eudicots, Core Eudicots and Rosids, while the second concentrates on the Asterids. Presented in Volume 2 are microsections of the xylem and phloem of herbs, shrubs and trees of 1000 species and ca. 35 families of various life forms of the temperate zone along altitudinal gradients from the lowland at the Mediterranean coast to the alpine zone in Western Europe. Special attention is given to the very diverse family of Asteraceae. The global perspective of the findings is underlined by the analysis of 400 species from the Caucasus, the Rocky Mountains and Andes, the subtropical zone on the Canary Islands, the arid zones in the Sahara, in Eurasia, Arabia and Southwest North America, New Zealand and the boreal and arctic zones in Eurasia and Canada. The presence of annual rings in all life forms demonstrates that herbs and dwarf shrubs are an excellent tool for the reconstruction of annual biomass production and the interannual dynamic of plant associations. The common principle of the anatomical expression of secondary growth is a key factor in understanding evolution and adaptation processes in all life forms, from the 3 cm tall crepide pigmea (Crepis pygmaea) in the alpine zone to the 40 m tall ash (Fraxinus excelsior) in Central European riparian forests. The study opens vast fields of research for dendrochronology, wood anatomy, taxonomy and ecology.
Inbunden, Engelska, 2019
913 kr
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This completely updated and revised second edition provides a unique and up-to-date treatment of all aspects of plant ecology, making it an ideal textbook and reference work for students, researchers and practitioners. More than 500 high-quality images and drawings, mostly in colour, aid readers’ understanding of various key topics, while the clear structure and straightforward style make it user friendly and particularly useful for students. Written by leading experts, it offers authoritative information, including relevant references.While Plant Ecology primarily addresses graduate students in biology and ecology, it is also a valuable resource for post-graduate students and researchers in botany, environmental sciences and landscape ecology, as well as all those whose study or work touches on agriculture, forestry, land use, and landscape management.Key Topics:- Molecular ecophysiology (molecular stress physiology: light, temperature, oxygen deficiency, water deficit (drought), unfavorable soil mineral conditions, biotic stress) - Physiological and biophysical plant ecology (ecophysiology of plants: thermal balance, water, nutrient, carbon relations) - Ecosystem ecology (characteristics of ecosystems, approaches how to study and how to model terrestrial ecosystems, biogeochemical fluxes in terrestrial ecosystems) - Community ecology and biological diversity (development of plant communities in time and space, interactions between plants and plant communities with the abiotic and the biotic environment, biodiversity and ecosystem functioning) - Global ecology (global biogeochemical cycles, Dynamic Global Vegetation Models, global change and terrestrial ecosystems)