Download or read book Before Water Management Measures written by and published by Elsevier. This book was released on 2012-12-02 with total page 491 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ultimate motivation for the study which is the subject of this book was the need to draw conclusions on the impact of man's activity on natural ecosystems. The results characterize the situation of the south-Moravian floodplain forest in the period of fading uncontrolled floods before the extensive technical measures successively changed the moisture regime by eliminating inundation and lowering the level of underground water. This publication is unique in Czechoslovakia as it records the ecological situation in the floodplain forest prior to the major and irreversible changes. The study also documents the exceptional role played by the Central-European floodplain forest in maintaining the gene pool and structure of the one thousand or so species in flora and fauna of an agricultural region.
Download or read book Floodplain Forest Ecosystem Before water management measures written by Miroslav Penka and published by Elsevier Publishing Company. This book was released on 1985 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1. Before water management measures -- 2. After water management measures.
Download or read book After Water Management Measures written by and published by Elsevier. This book was released on 2012-12-02 with total page 663 pages. Available in PDF, EPUB and Kindle. Book excerpt: Technical water management measures in the inundation region of southern Moravia significantly affected conditions of terrestrial and water ecosystems. Changes in ecological conditions and reaction of biota in the ecosystems of floodplain forests and meadows and regulated watercourses and retention reservoirs were studied within the UNESCO "Man and the Biosphere" programme for several years by a multi-disciplinary team of scientific workers. A broad extent of knowledge from many scientific disciplines enables a deeper insight into complexity of ecological relations after an intervention into landscape to ecologists, water managers, foresters, agronomists and biologists of different specializations.
Download or read book Riparian Landscapes written by George Patrick Malanson and published by Cambridge University Press. This book was released on 1993-05-27 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Riparian Landscapes examines the ecological systems of streamside and floodplain areas from the perspective of landscape ecology. The specific spatial pattern of riparian vegetation is seen as a result of, and a control on, the ecological, geomorphological, and hydrological processes that operate along rivers. Riparian structures are controlled by the spatial dynamics of channels, flooding and soil moisture. These dynamics are part of integrated cascades of water, sediment, nutrients and carbon, to which animal and plant species respond in ways that illuminate community structure and competition. The role of the riparian zone in controlling species distribution and abundance is discussed. Intelligent management of these valuable ecological resources is highlighted. The potential for linking hydrological, geomorphological and ecological simulation models is also explored. This book will be of interest to graduate and professional research workers in environmental science, ecology and physical geography.
Download or read book Floodplain Forest Ecosystem After water management measures written by Miroslav Penka and published by . This book was released on 1991 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt: Technical water management measures in the inundation region of southern Moravia significantly affected conditions of terrestrial and water ecosystems. Changes in ecological conditions and reaction of biota in the ecosystems of floodplain forests and meadows and regulated watercourses and retention reservoirs were studied within the UNESCO Man and the Biosphere programme for several years by a multi-disciplinary team of scientific workers. A broad extent of knowledge from many scientific disciplines enables a deeper insight into complexity of ecological relations after an intervention into landscape to ecologists, water managers, foresters, agronomists and biologists of different specializations.
Download or read book Shrub Steppe written by Alec Rickard and published by Elsevier. This book was released on 2012-12-02 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: Owing to man-made intervention, the shrub-steppe now represents a rapidly disappearing landscape in the arid regions of North America. This book represents a systems-level study of ecological variables affecting water balance, and responses to perturbation. The study focused on a very large, protected, landscape unit, comprising a natural ``watershed'' area located in the semi-arid western United States. Long-term and concurrent data sets were established with a view towards establishing system-level responses to manipulative interventions, and natural perturbations like wildfire. These data sets were established for micrometeorology, climatology, mineral cycling in soils, nutrient and mineral pathways in springs and streams, vegetational dynamics, and population changes on the site. In synthesizing nearly twenty years of data, the more interesting ecosystem level responses concerned vegetational recovery and water balance. For instance, the synthesis uniquely demonstrates the interaction of biotic and non-biotic factors and their integrated effect on regional water balance. However, special attention was also paid to species diversity and the genetic resource pool represented at this site.This book will be of primary interest as a reference resource to land managers and wildlife specialists, and as a research study for scientists interested in systems-level ecology. Conservation-minded citizens who take more than a cursory interest in ecology will also find it interesting.
Download or read book Soil Microbial Associations written by V. Vancura and published by Elsevier. This book was released on 2012-12-02 with total page 499 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is the first publication of its kind to provide a fully comprehensive and detailed approach to the survey of microbial associations in soil: their structure and function in relation to soil fertility and environment protection. The problems covered by this title are presented on various levels of the ecological system; from subcellular phenomena occurring in the microbial cell (genetic and enzyme regulation), to processes taking place in the flow of mass and energy in the agroecosystem. The aim of this monograph is to contribute to the understanding of the laws of formation and function of microbial associations in natural and agricultural soils, and to build a scientific basis for the control of soil biological processes. Using a contemporary approach to some fields of soil microbiology, the book highlights the possibility of utilizing certain microorganisms and microbial processes to increase soil fertility and protect the environment. These critically evaluated and selected results were obtained at the Institute of Microbiology and the Institute of Experimental Phytotechnics of the Czechoslovak Academy of Sciences, in cooperation with the Institute of Microbiology of the Academy of Sciences of the USSR.
Download or read book The Origin and Domestication of Cultivated Plants written by C. Barigozzi and published by Elsevier. This book was released on 2012-12-02 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book consists of the proceedings of a symposium organized by the Accademia Nazionale dei Lincei, Rome. The proceedings are unusual in that it is a rare event to see archaeologists and geneticists coming together to discuss the connection between historical facts and biological phenomena. The aim of the symposium was to discuss the origin of some important cultivated plants (wheat, maize, barley, oat, legumes and fruit trees) not only in relation to genetical mechanisms but also as a complex of historical facts recognizable through archaeological research.This international Meeting based on interdisciplinary concepts, met with a prompt and positive reaction from all those specialists invited to attend. The book itself is an unparalleled contribution to the interdisciplinary knowledge on the origin of crop plants and agriculture.
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 884 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Towards a Second Green Revolution written by G.B. Marini-Bettòlo and published by Elsevier. This book was released on 2012-12-02 with total page 543 pages. Available in PDF, EPUB and Kindle. Book excerpt: Genetic research in some fundamental crops, together with the use of chemicals as pesticides and fertilizers, opened the way in the 1950s and 1960s to great changes in methodology in agriculture - with astonishing results in the tropics. This change became known as the Green Revolution - a truly great revolution in methods and materials which, when applied with intelligence, made possible in a few years the achievement of complete sufficiency in cereals production in South and South East Asia, Mexico and South America. After 20 years of continuous success, aspects of the Green Revolution need to be rediscussed in the light of new findings and possibilities offered by scientific and technological progress - and negative side effects on environment and health. These papers examine the present state of agriculture, and indicate the way forward for its development, especially in the tropics and, in particular, Africa and South America. The need for more research is stressed; priorities in the application of this research are discussed, such as the economic aspects of any new system to be adopted, and the need to respect the ecological equilibria of different environments and the balance of energy input/output in a given agrosystem.
Download or read book Structure and Functioning of Seminatural Meadows written by M. Rychnovská and published by Elsevier. This book was released on 2012-12-02 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: Twelve years' analysis of natural grassland and experimentally managed meadows have produced this unique set of data on the structures and physiological functions of primary producers, consumers and decomposers. Obtained during the 1973-1985 Ecosystem Study on Highland Meadows in Czechoslovakia, such original information is rare in scientific literature. The aim of the study was to define the functioning of these grasslands and their changes under different impact of man, and to examine the ecological function of those ecosystems in the intensively managed catchment area. Hence, this book contains deep analyses of soil microorganisms, their functions in decomposition and soil forming processes - leading to the evaluation of the whole carbon cycle - as well as dealing with nitrogen pathways in the experimental plots - resulting in precise determination of the full nitrogen cycle. Procedures used in practical agriculture, such as cutting, fertilization and renovation, have also been applied, producing evaluations from both ecological and economical view-points. The book's integrated ecosystem approach to grasslands, its deep professional analyses in each section, along with the synthesis on each particular level and across all levels, renders it an invaluable, informative text, comprising extensive figures and tables and a substantial bibliography of world-wide sources.
Download or read book Humus its Structure and Role in Agriculture and Environment written by J. Kubát and published by Elsevier. This book was released on 2012-12-02 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents the proceedings of the 10th internationalsymposium Humus et Planta held in Prague in August 19-23,1991. The main topics of this book are devoted to the recentadvances in fundamental, as well as applied research of humicsubstances, the most abundant of the naturally occuringmacromolecules of nature, the understanding of their natureand how they react and interact in their natural environments.Texts are included on the structure, physical and chemicalproperties of humic substances; the relationships among humus,soil properties and fertility; the biotransformations oforganic substances in the soil; the relationships betweenhumic substances and plants and the interactions of humus andxenobiotic substances. This book presents recent knowledge ofthe complicated and challenging humic substances. It will beof interest not only to scientist, but also to Universityteachers and students of agricultural and environmentalsciences.
Download or read book Plant Roots and Their Environment written by B.L. McMichael and published by Elsevier. This book was released on 2012-12-02 with total page 662 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scientists, within a wide field, ranging from applied forestry and agriculture to physiology, ecology and the environmental sciences, are today more than ever involved in root and mycorrhizal research. New problem-oriented research fields have arisen such as the effects of fertilizers and pesticides, forest management and regeneration etc. At a time when root research is expanding into different areas, it is much more difficult for the root scientist to penetrate all the new information appearing in literature. The contributors of this volume are leading scientists from different fields of root research. The ISRR-symposium in Uppsala clearly demonstrated that there are new techniques in progress, in particular with regards to video recording of plant root systems and digital image processing. The main objectives of the symposium were (i) to provide a forum for communication between scientists from different disciplines working with root research problems, (ii) to contribute to an expansion of root studies into new areas, (iii) to use current estimates of root turnover for charting the upper and lower limit of below-ground production, and (iv) to spread knowledge of new findings and techniques of the importance of root research. This book is aimed at serving as a vehicle for improving the coherence of root research, for harmonizing methods and establishing overall objectives and gaps in the knowledge of rhizosphere dynamics.
Download or read book Biotic Interactions and Soil Borne Diseases written by A.B.R. Beemster and published by Elsevier. This book was released on 2012-12-02 with total page 447 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains a collection of all the papers presented at the founding conference of the European Foundation for Plant Pathology, held from 26th February to 2nd March 1990 at Wageningen, The Netherlands. It focusses on the theme of "Biotic Interactions and Soil-Borne Diseases", on which there are contributions from leading European scientists in the field of soil-borne diseases. Ways of exploiting biotic processes and phenomena which result in plant production harmless to the environment are explored.
Download or read book Tropical Forests written by J. Borota and published by Elsevier. This book was released on 2012-12-02 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication deals with the composition and structure of both natural and artificially established tropical forests. After a general introduction, the role of tropical forests in the production of timber is discussed. Attention is then given to the structure of natural tropical forests, especially in Congo, Gabon, Ghana and Laos. The structure of artificially established forests is dealt with in another chapter. At the end, information is given on the thinning of such forest stands in Tanzania.
Download or read book Abstracts of Book Literature on Forest Biology and Ecology Published in East European Countries Former USSR and Czechoslovakia 1965 1992 written by and published by . This book was released on 1998 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 1424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
