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Books > Science & Mathematics > Biology, life sciences > Life sciences: general issues > Ecological science, the Biosphere
The Danube River Basin is shared by 19 countries and there is no river basin in the world shared by so many nations. Covering an area of about 800,000 km, it is Europe's second largest river basin and home to 83 million people of different cultures, languages and historical backgrounds. Management of common water sources and overcoming difficulties caused by droughts and floods requires co-operation between these countries. In the past twenty years political turbulence has caused an increase in the number of countries included, making co-operation difficult at times. Nevertheless several projects were launched and a number of reports were produced. In 2008, at the 22nd Working Meeting of the Regional Hydrological Co-operation of the Danube Countries in the framework of IHP/UNESCO at the XXIVth Conference of the Danubian Countries, it was decided that these reports would be summarised in one special publication. It was also agreed to include additional reports serving the common interest. This publication therefore brings together the reports and papers related to regional co-operation. It is the result of a major collaboration and examines a broad range of topics. These include hydrological forecasting and hydro-meteorological extremes, global climate change and hydrological processes, water management, and developments in hydrology. The book includes the efforts of many hydrologists and technical staff from different Universities and Agencies from all countries of the Danube River Basin. "
This book offers a series of interviews with Canadian ranchers that highlight the innovative and effective ways that they manage vast swaths of grassland for two complementary goals: commercial viability and sustainable habitats. The book’s author is an academic who grew up among ranchers in the grasslands of Canada, and the expertise and viewpoints she has distilled from these interviews complement the academic literature in accessible and surprising ways . As these productive landscapes face increasingly perilous threats such as development, economic pressures, and extreme weather events, it is the ranchers who live on and manage these native grasslands who are passionate about conserving them. This book is about them, their experiences and the realities of their lives, their view of the world, sharing their knowledge to assist younger ranchers, and their contributions to Canada’s species at risk conservation goals, food security and economy. The book offers practical advice for ranchers, but also reveals the depth of attachment and dedication these ranchers have for the grasslands. They are conservationists at heart, as they not only understand that their livelihood is dependent on the health of the ecosystem they manage, but they also have a deep connection to the land, nurtured oftentimes for many generations. Academics and ranchers have much to learn here, but the book – most of which is the words of the ranchers themselves - is written to give the general public an understanding of this vocation and its role in the conservation of our last remaining grasslands.
This book is the outcome of more than 20 years of experience of the author in teaching and research field. The wider scope and coverage of the book will help not only the students/ researchers/professionals in the field of agriculture and allied disciplines, but also the researchers and practitioners in other fields. Written in simple and lucid language, the book would appeal to all those who are meant to be benefitted out of it. All efforts have been made to present "RESEARCH", its meaning, intention and usefulness. The book reflects current methodological techniques used in interdisciplinary research, as illustrated with many relevant worked out examples. Designing of research programme, selection of variables, collection of data and their analysis to interpret the data are discussed extensively. Statistical tools are complemented with real-life examples, making the otherwise complicated subject like statistics seem simpler. Attempts have been made to demonstrate how a user can solve the problems using simple computer-oriented programme. Emphasis is placed not only on solving the problems in various fields but also on drawing inferences from the problems. The importance of instruments and computers in research processes and statistical analyses along with their misuse/incorrect use is also discussed to make the user aware about the correct use of specific technique. In all the chapters, theories are combined with examples, and steps are enumerated to follow the correct use of the available packages like MSEXCELL, SPSS, SPAR1, SAS etc. Utmost care has been taken to present varied range of research problems along with their solutions in agriculture and allied fields which would be of immense use to readers.
This book offers a new ecosystemic approach to the understanding of mangrove and salt marsh ecosystems. Brazil has one of the largest areas of mangroves in the world, where salt marshes might or might not be associated. Different landscapes comprise the extensive coastline, where mangrove and salt marsh species' composition is discussed through the analysis of physiography, zonation, and succession processes. Both salt marsh and mangrove plants and the associated macroalgae will be characterized in their ecophysiological and phenological aspects, as well as genetic and epigenetic diversity. The chapters on microbial diversity and litterfall expose the well-known importance of these ecosystems as highly productive carbon sinks and pumps. The associated fauna of invertebrates (benthic meio and macrofaunas, especially brachyuran crabs) and vertebrates (fishes, birds, and mammals) are presented in a special section. The conservational approach encompasses issues, such as historical ecology, economic valuation, protected areas, environmental education, climate changes, and adaptive management.
This is the past as we've never seen it before. Otherlands is an epic, exhilarating journey into deep time, showing us the Earth as it used to exist, and the worlds that were here before ours. Award-winning young palaeobiologist Thomas Halliday immerses us in a series of ancient landscapes, from the mammoth steppe in Ice Age Alaska to the lush rainforests of Eocene Antarctica, with its colonies of giant penguins, to Ediacaran Australia, where the moon is far brighter than ours today. We visit the birthplace of humanity; we hear the crashing of the highest waterfall the Earth has ever known; and we watch as life emerges again after the asteroid hits, and the age of the mammal dawns. Otherlands is a staggering imaginative feat: an emotional narrative that underscores the tenacity of life - yet also the fragility of seemingly permanent ecosystems, including our own. To read it is to see the last 500 million years not as an endless expanse of unfathomable time, but as a series of worlds, simultaneously fabulous and familiar.
Animals are a major link between the water column (pelagic) and the bottom (benthic) habitats in most shallow systems. This coupling is dominated by active processes such as suspension-feeding in which the organism actively uses energy to pump water that is then filtered to remove suspended particles that are consumed while undigested remains are deposited on the bottom. As a result of this feeding on and metabolism of particles, the animals excrete dissolved inorganic and organic waste back into the water column, and thus, become major components in the cycling and feedback of essential elements. With relatively high weight specific filtration rates of 1a" 10 liters/hour/gram dry tissue and a propensity to form large aggregated populations (beds, reefs, schools and swarms), these organisms can play an important role in regulating water column processes. Although estuarine bivalve molluscs such as oysters and mussels dominate the suspension-feeder literature, other groups including plankton and nekton that are found in estuarine as well as other aquatic systems are also potentially important removers of suspended particles. Thus, a significant part of the NATO Advanced Research Workshop focused on suspension-feeders as controllers of plankton abundance, biomass and diversity, system metabolism, nutrient cycling and scale dependency. Systems dominated by suspension-feeders are typically impacted by human activities including recreation, aquaculture, human and industrial pollution, and bilge water from shipping. Suspension-feeders are often impacted by fisheries and over-exploitation. These impacts commonly result in changes in ecosystem structure either through the food chainconcentration of harmful substances or diseases, the introduction of alien species of suspension-feeders, or the instability of suspension-feeders systems through species displacement or phase shifts in the dominance between different suspension-feeding components such as nekton or zooplankton. These issues were addressed near the close of the workshop along with conclusions and syntheses developed by the working groups.
This book highlights the latest discoveries about the nitrogen cycle in the soil. It introduces the concept of nitrogen fixation and covers important aspects of nitrogen in soil and ecology such as its distribution and occurrence, soil microflora and fauna and their role in N-fixation. The importance of plant growth-promoting microbes for a sustainable agriculture, e.g. arbuscular mycorrhizae in N-fixation, is discussed as well as perspectives of metagenomics, microbe-plant signal transduction in N-ecology and related aspects. This book enables the reader to bridge the main gaps in knowledge and carefully presents perspectives on the ecology of biotransformations of nitrogen in soil.
Originally published in 1974, Arctic and Alpine Environments examines, the relatively simple ecosystems of arctic and alpine lands that still occupy extensive areas little disturbed by modern technology. The book argues that there is a necessity for carefully controlled development of the resources of these regions and suggests that there is a risk of irreversible disturbance without full understanding of these regions. This book provides a detailed documentation of cold-stressed arctic and alpine terrestrial environments and systematically deals with the present and past physical environment - climate, hydrology and glaciology; biota - treeline, vegetation, vertebrate zoology, and historical biogeography; abiotic processes - geomorphological and pedological and the role of man - bioclimatology, archaeology and technological impact, including radioecology. The book will appeal to academics and students of environmental and biological science, as well as providing a significant source for conservationists', government agencies and industrial organizations.
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.
Coastal dunes occur in almost every latitude - from tropical to polar - and have been substantially altered by human activities. Many are already severely and irreversibly degraded. Although these ecosystems have been studied for a long time (as early as 1835), there has been a strong emphasis on the mid-latitude dune systems and a lack of attention given to the tropics where, unfortunately, much of the modern exploitation and coastal development for tourism is occurring. This book brings together coastal dune specialists from tropical and temperate latitudes, which together cover a wide set of topics, including: geomorphology, community dynamics, ecophysiology, biotic interactions and environmental problems and conservation. A major product of this book is a set of recommendations for future research, identifying relevant topics where detailed knowledge is still lacking. It also identifies management tools that will promote and maintain the rich diversity of the dune environments in the context of continuing coastal development.
This pioneering book focuses on Neotropical endophytic fungi, providing a comprehensive overview of their diversity, ecology, and biotechnological applications in medicine, agriculture, and industry. Despite their rich diversity, the endophytic fungi associated with plants of Central and South American biomes remain largely unknown. The book addresses that knowledge gap by offering insights into Neotropic endophytic fungal community.
Although all living beings modify their environment, human beings have acquired the ability to do so on a superlative space-time scale. As a result of industrialization and the use of new technologies, the anthropogenic impact has been increasing in the last centuries, causing reductions in the sizes or the extinction of numerous wild populations. In this sense, from the field of conservation genetics, various efforts have been made in recent decades to provide new knowledge that contributes to the conservation of populations, species, and habitats. In this book, we summarize the concrete contributions of researchers to the conservation of the Neotropical mammals using Molecular Ecology techniques. The book is divided into three major sections. The first section provides an up-to-date review of the conservation status of Neotropical mammals, the applications of the molecular markers in its conservation, and the use of non-invasive and forensic genetic techniques. The second and third sections present, respectively, a series of case studies in various species or taxonomic groups of Neotropical mammals.
The Earth's ecosystems are in the midst of an unprecedented period of change as a result of human action. Many habitats have been completely destroyed or divided into tiny fragments, others have been transformed through the introduction of new species, or the extinction of native plants and animals, while anthropogenic climate change now threatens to completely redraw the geographic map of life on this planet. The urgent need to understand and prescribe solutions to this complicated and interlinked set of pressing conservation issues has lead to the transformation of the venerable academic discipline of biogeography - the study of the geographic distribution of animals and plants. The newly emerged sub-discipline of conservation biogeography uses the conceptual tools and methods of biogeography to address real world conservation problems and to provide predictions about the fate of key species and ecosystems over the next century. This book provides the first comprehensive review of the field in a series of closely interlinked chapters addressing the central issues within this exciting and important subject. View www.wiley.com/go/ladle/biogeography yo access the figures from the book.
The International Handbook of Political Ecology features chapters by leading scholars from around the world in a unique collection exploring the multi-disciplinary field of political ecology. This landmark volume canvasses key developments, topics, issues, debates and concepts showcasing how political ecologists today address pressing social and environmental concerns. Introductory chapters provide an overview of political ecology and the Handbook. Remaining chapters examine five broad themes: issues and approaches; governance and power; knowledge and discourse; method and scale; and connections and transformations. The authors focus on an intrinsically international endeavour, considering both the topic and source of research, and integrate the approaches, debates, concepts and methods that define the field internationally. A combination of general reflection and case study research demonstrates both political ecology's place in wider social science debates and trends, as well as how its concerns relate to diverse empirical problems and settings. Across diverse topics and perspectives, these chapters amount to a wide-ranging survey of current research, making the International Handbook an indispensable reference for scholars and students in political ecology. Contributors: A. Acharya, B. Agarwal, H. Alimonda, A. Asiyanbi, L. Baker, S. Barca, S. Batterbury, P. Blaikie, E. Bravo, R.L. Bryant, B. Buscher, G. Cederloef, D. Chartier, C.A. Claus, L. Cortesi, A. Doolittle, M.R. Dove, W. Dressler, R. Fletcher, T. Forsyth, T.A.M. Freitas, D. Gautier, B. Hautdidier, A. Hayes-Conroy, J. Hayes-Conroy, H. Healy, C. Hebdon, L. Jarosz, S. Joshi, G. Kallis, A.H. Kimura, T. Kizos, C.A. Kull, P. Le Billon, S. Lee, E. Leff, A. Loftus, J. Martinez-Alier, B.R. Middleton, M. Moreano, A.C. Salomao Mozine, J. Muldavin, S. Nair, H. Neo, R.P. Neumann, C. Noe, G.G. Nunez, A. Paniagua, N.L. Peluso, C.P. Pow, M. Ramutsindel
A comprehensive text and reference book covering all the aspects of biodiversity science for students and researchers of biodiversity, plant science, biotechnology, as well as zoology.
This book gives an overall analysis of the current knowledge status about structures, functions, utilization for German Baltic coast ecosystems. The main focus of this book is on the aquatic area, but land/sea interactions as well as river outfalls are included as well. Characteristic for this book is the inclusion of social science aspects. Approximately one third of its extent will be about the ecosystem services. In this segment the results of the last 6 years are presented in which a comprehensive quantification of the social relevance of ecosystems was carried out covering the entire area of the German Baltic Sea. This part builds directly on the results of scientific investigations and are in relation to social ideals. The assessment will not only be economically and ethically but also the mechanisms that are used for the valorisation of the ecosystem services will be evaluated. Both sub-areas, the classic natural science part as well as the part of social science aspects, deal with the changes caused by increasing anthropogenic influence and social (including demographic) changes. This will be among others in the sense of an exemplary historical outline. The final chapter of the synthesis therefore not only presents a summary of the level of knowledge gained and a deduction of the research needs. It further contains a presentation of the application aspects resulting from the analysis of the social relevance gained from basic scientific research. The book is aimed at scientists (and students) of natural, life and social sciences, analysing functioning and structures of coastal ecosystems with regard to sustainable use and nature protection, including aspects of coastal protection. Besides, it is thought to become a reference for all levels of decision makers and stakeholders in coastal and marine management of the Baltic and North Sea region, providing also a blueprint for system analysis respecting for societal as well as biological aspects world-wide.
This book is the first of its kind on environmental change research devoted to monsoon-arid environment evolution history and its mechanism involved. Capturing the most prominent features of Asian climate and environmental changes, it gives a comprehensive review of the Asian Monsoon records providing evidence for spatial and temporal climatic and environmental changes across the Asian continent since the Late Cenozoic. The dynamics underlying these changes are explored based on various bio-geological records and in particular based on the evidence of loess, speleothems as well as on mammal fossils. The Asian monsoon-arid climate system which quantifies the controlling mechanisms of climate change and the way it operates in different time scales is described. Attempts to differentiate between natural change and human-induced effects, which will help guide policies and countermeasures designed to support sustainable development on the Chinese Loess Plateau and the arid west.
This monograph discusses fire hazard and fire resistance in wooden structures with a long duration of operation. Aside from its increasing importance for modern architecture, wood has been the most important building material in the past. It has a distinct aesthetic, high mechanical strength, and resistance against many environmental changes. These properties are evident in structures like the still standing Grinstead Chuch, which has been built in 1045. Readers will however learn about the decreasing fire resistance in wooden buildings with a long service live. Considering the cultural value of medieval wood buildings, this topic becomes increasingly relevant. The chapters discuss the mechanical, physico-chemical and thermophysical properties of wooden structures over different lifespans. Many factors contributing to the changing fire resistance in the ageing process of wooden structures, are explained. This book is a valuable resource for students, teachers and scientists in the areas of wood science, fire research and forestry.
Papers presented at the 20th meeting of the International Ornithological Congress held in New Zealand, December 1990 emphasizing New Zealand and the southern Pacific Ocean. Topics include: a summary of ornithological work in New Zealand, enemy recognition and response, parasitism and sexual selectio
This book completes Robert G. Bailey's celebrated study of ecoregions, begun in the landmark Ecosystem Geography (1996) and further articulated in Ecoregions (1998). In this third installment, the author expands his system for defining large-scale ecological zones to encompass principles of land management, regional planning, and design. In an engaging, non-technical discussion, he shows how larger patterns and processes that characterize a region-its climate, topography, soils, vegetation, fauna, and human culture-provide essential keys to the sustainability of ecosystems. Regional Landscape Ecology and Sustainable Design will be welcomed by land and resource managers, landscape architects and urban planners, ecologists, students, and anyone interested in ecology-based design. Robert G. Bailey is a geographer with the United States Forest Service in Fort Collins, Colorado.
In the conflict between logging as a material resource and preservation the forests are becoming depleted throughout the world and this depletion is aggravated by the effects of air pollution. The concept of utilization is thus now being expanded to include vital societal values. These issues are nowhere more acute than in Central and Eastern Europe, where obsolete, poorly maintained industrial plant is common. Air pollutant levels are so high that one area has been called the Black Triangle. Timber is required in this region as a building material and logging for fuelwood is practised, giving rise to a complex linkage between industry, energy supply, deforestation, agriculture, value-added forestry products and economic development. This book presents current information on national and regional issues relating to environmental threats to forest land, focusing on: ecology, environment and science; forest ownership and management; forest product utilization; government and public agency roles. The recommendations, action items and the human network needed for regional-level implementation are detailed in `situation', `position' and `state of the art' papers. The final objective is to develop a plan of action to help abate the negative impacts while sustaining or expanding the forests, the economy and the energy sufficiency of the region.
This book shows that evolutionary game theory can unravel how mutual cooperation, trust, and credit in a group emerge in organizations and institutions. Some organizations and institutions, such as insurance unions, credit unions, and banks, originated from very simple mutual-aid groups. Members in these early-stage mutual-aid groups help each other, making rules to promote cooperation, and suppressing free riders. Then, they come to "trust" not only each other but also the group they belong to, itself. The division of labor occurs when the society comes to have diversity and complexity in a larger group, and the division of labor also requires mutual cooperation and trust among different social roles. In a larger group, people cannot directly interact with each other, and the reputation of unknown people helps other decide who is a trustworthy person. However, if gossip spreads untruths about a reputation, trust and cooperation are destroyed. Therefore, how to suppress untrue gossip is also important for trust and cooperation in a larger group. If trustworthiness and credibility can be established, these groups are successfully sustainable. Some develop and evolve and then mature into larger organizations and institutions. Finally, these organizations and institutions become what they are now. Therefore, not only cooperation but also trust and credit are keys to understanding these organizations and institutions. The evolution of cooperation, a topic of research in evolutionary ecology and evolutionary game theory, can be applied to understanding how to make institutions and organizations sustainable, trustworthy, and credible. It provides us with the idea that evolutionary game theory is a good mathematical tool to analyze trust and credit. This kind of research can be applied to current hot topics such as microfinance and the sustainable use of ecosystems.
The Ural river, the third longest river in Europe, is a unique ecosystem. Unlike other large European rivers the river has not been regulated and the natural hydrological regime is still intact. Thanks to that it has the only remaining spawning habitats in the entire Caspian basin for all sturgeon species. Nevertheless, this fact is not well known to the broader scientific and environmental communities. The Ural river is also an interesting place due to its rich history of sustainable use of aquatic resources in general and sturgeons in particular. The traditional life style of the local communities, Ural Cossacks, was focused on the preservation and rational use of sturgeon species. This interesting experience of sustainable river-related management is not adequately reported in literature. To secure further Ural sturgeon preservation the river basin ecosystem and human activities in the region must be managed in an integrated sustainable manner. The sturgeon species can be used as a natural indicator and an incentive for such transboundary IWRM cooperation taking into account all three components of sustainable development: economic, social and environmental. To secure basin IWRM and sturgeon stock restoration the International Ural Sturgeon Park should be established. The role of the Park will be to secure the natural reproduction in the Ural as the primary strategy for the sturgeon stock replenishment. The Ural River Basin Project, which aims at the creation of such a Park, was launched in 2007. This volume is devoted to the uniqueness, history and problems of the Ural river basin, its sturgeons and perspectives of their conservation. |
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