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Books > Science & Mathematics > Biology, life sciences > Botany & plant sciences > Plant ecology
This study focuses on impacts of the environmental and socio-economic transformation on the indigenous people's livelihoods in Vietnam's Central Highlands recent decades since the country's reunification in 1975. The first empirical section sheds light on multiple external conditions (policy reforms, population trends, and market forces) exposed onto local people. The role of human and social capital is examined again in a specific livelihood of community-based tourism to testify the resilience level of local people when coping with constraints. The study concludes with an outlook on implications of development processed which still places agriculture at the primary position livelihood, and pays attention to human capital and social capital of indigenous groups in these highlands.
This book provides extensive and comprehensive knowledge to researchers and academics who work on strontium contaminated areas. Topics covered include impact on plants and environment, as well as remediation strategies. This book will inform graduate and undergraduate students who are specializing in radioecology, especially strontium uptake via soil to plants, safe disposal of strontium waste, remediation legacies and impact of strontium waste material on the natural and manmade environment. A broad overview of reviews is provided covering a number of original publications on strontium plant uptake, including case studies that present the latest technological developments and future trends for investigating strontium mobility in soil and treatment of strontium contaminated areas.
This book presents the first assessment of the high-elevation flora of the Central Caucasus with a community ecology emphasis. Following a geostatistical-climatological description of the region (in comparison to the European Alps), it describes the montane, alpine and nival plant assemblages on the basis of an ecological approach that combines moisture, soils and local habitat peculiarities. Highlights include the famous giant herb communities in treeless parts of the upper montane belt, the various facets of alpine turf, and the unique assemblages and settings in the nival region. Further chapters address potential niche conservation between the Caucasus and the Alps, as well as a compilation of plant species habitat preferences (indicator values) that applies to a concept developed for the Alps. Richly illustrated and featuring extensive quantitative data on species abundance, the book offers a unique guide to the plant species diversity of this prominent mountain range, and a valuable resource for comparative ecology and biodiversity assessments of warm temperate mountain systems.
Seaweeds (macroalgae) represent the most striking living components in the Antarctic's near-shore ecosystems, especially across the West Antarctic Peninsula and adjacent islands. Due to their abundance, their central roles as primary producers and foundation organisms, and as sources of diverse metabolically active products, seaweed assemblages are fundamental to biogeochemical cycles in Antarctic coastal systems. In recent years, the imminence of climate change and the direct impacts of human beings, which are affecting vast regions of the Antarctic, have highlighted the importance of seaweed processes in connection with biodiversity, adaptation and interactions in the benthic network. Various research groups have been actively involved in the investigation of these topics. Many of these research efforts have a long tradition, while some "newcomers" have also recently contributed important new approaches to the study of these organisms, benefiting polar science as a whole. This book provides an overview of recent advances and insights gleaned over the past several years. Focusing on a timely topic and extremely valuable resource, it assesses the challenges and outlines future directions in the study of Antarctic seaweeds.
Seaweed is so familiar and yet its names - pepper dulse, sea lettuce, bladderwrack - are largely unknown to us. In this short, exquisitely illustrated portrait, the Dutch poet and artist Miek Zwamborn shares her discoveries of its history, culture and use, from the Neolithic people of the Orkney Islands to sushi artisans in modern Japan. Seaweed troubled Columbus on his voyages across the Atlantic, intrigued von Humboldt in the Sargasso Sea and inspired artists from Hokusai to Matisse. Covering seaweed's collection by Victorians, its adoption into fashion and dance and its potential for combating climate change, and with a fabulous series of recipes based around the 'truffles of the sea', this is a wonderful gift for every nature lover's home.
This book provides insights on innovative strategies to build resilient food systems in the wake of challenges posed by climate change. Providing food security to the growing population especially in developing countries without exacerbating the environment is a major challenge. Climate change is expected to reduce agricultural productivity, leading to a decline in overall food availability and significantly increasing the number of malnourished children in developing countries. Interventions for enhancing the adaptive capacity of farmers especially of small holders needs immediate impetus. The policy formulation and development programs must reorient in the wake of the new expectations and deliverables. This book comprises of sixteen chapters that discuss the trends in global agriculture development and food system. The book highlights different aspects of household food and nutritional security. The chapters covering diverse aspects address food system, rural and urban food chain, factors affecting their sustainability and short and long term solutions to make them climate resilient. Important issues having significant implications on climate change such as Waste management, Value chain, Agri-marketing, etc. are also covered. The book would be an important resource for researchers in food science, environmental sciences and agriculture. It would also be beneficial for students and future scientists working on sustainable agriculture and food security.
This book is an excellent resource for scientists, political decision makers, and students interested in the impact of peatlands on climate change and ecosystem function, containing a plethora of recent research results such as monitoring-sensing-modeling for carbon-water flux/storage, biodiversity and peatland management in tropical regions. It is estimated that more than 23 million hectares (62 %) of the total global tropical peatland area are located in Southeast Asia, in lowland or coastal areas of East Sumatra, Kalimantan, West Papua, Papua New Guinea, Brunei, Peninsular Malaysia, Sabah, Sarawak and Southeast Thailand. Tropical peatland has a vital carbon-water storage function and is host to a huge diversity of plant and animal species. Peatland ecosystems are extremely vulnerable to climate change and the impacts of human activities such as logging, drainage and conversion to agricultural land. In Southeast Asia, severe episodic droughts associated with the El Nino-Southern Oscillation, in combination with over-drainage, forest degradation, and land-use changes, have caused widespread peatland fires and microbial peat oxidation. Indonesia's 20 Mha peatland area is estimated to include about 45-55 GtC of carbon stocks. As a result of land use and development, Indonesia is the third largest emitter of greenhouse gases (2-3 Gtons carbon dioxide equivalent per year), 80 % of which is due to deforestation and peatland loss. Thus, tropical peatlands are key ecosystems in terms of the carbon-water cycle and climate change.
The book contains detailed descriptions of the unique desert environment with particular emphasis on vegetation and survival strategies of plants. Nine expeditions through the Southwest of Western Australia over a period of 15 years triggered the interest of the authors to explore also some deserts in the region, which leads to three further excursions into the sandy dunes of the desert. Observations of plant life in the deserts focused not only on identifying plants, but also on gaining some understanding of the aboriginal desert people of centuries past, and their own survival strategies in such extreme conditions. Also part of the Canning Stock Route was followed and explored, but the most rewarding and interesting finds were done criss-crossing the desert away from highways, tracks, and paths. The most remote areas showed species richness and surviving strategies which by far exceeded expectations.
This book covers the ethnobiology and traditional ecological knowledge (TEK) of the Solega people of southern India. Solega TEK is shown to be a complex, inter-related network of detailed observations of natural phenomena, well-reasoned and often highly accurate theorizing, as well as a belief system, derived from cultural norms, regarding the relationships between humans and other species on the one hand, and between non-human species on the other. As language-based studies are strongly biased toward investigations of ethno-taxonomy and nomenclature, the importance of studying TEK in its proper context is discussed as making context and encyclopedic knowledge the objects of study are essential for a proper understanding of TEK.
This book provides an up-to-date coverage of green (vegetated) roof research, design, and management from an ecosystem perspective. It reviews, explains, and poses questions about monitoring, substrate, living components and the abiotic, biotic and cultural aspects connecting green roofs to the fields of community, landscape and urban ecology. The work contains examples of green roof venues that demonstrate the focus, level of detail, and techniques needed to understand the structure, function, and impact of these novel ecosystems. Representing a seminal compilation of research and technical knowledge about green roof ecology and how functional attributes can be enhanced, it delves to explore the next wave of evolution in green technology and defines potential paths for technological advancement and research.
Human demand for energy has grown multi-folds in recent years. This is the result of rapidly increasing human population, which, in turn, has resulted in increased organic (petroleum) and inorganic pollution on the biosphere. Due to this, we are now facing a number of challenges to sustain life on earth. For example, the increased organic and inorganic pollution in our environment is leading to loss of biodiversity, degradation of environment and thus ultimately causing food insecurity. In this situation, it is imperative to keep updated ourselves with advances on the effects of pollutants, tolerance mechanisms and the potential of different plants and microbes in removing these pollutants from the environment. For this purpose, we invited a number of scientists worldwide to review the current scenario of the problems, current development, and future prospects of the challenges and their solutions in an International Conference on ''Plants and Environmental Pollution'' held in KAYSERI, TURKEY from 6-11 July 2009. The output of this conference has been summarized in the form of this book.
Food security and the medicinal needs of billions of people around the world are pressing global issues, and the biodiversity and sustainable utilization of plants is of great significance in this context. Further, ethnobotanical studies are vital in the discovery of new drugs from indigenous medicinal plants, and plants with industrially important metabolites need to be cultivated to meet the growing market demand. In addition, the production of plant metabolites under in vitro conditions also has tremendous possibilities. The totipotency of plant cells plays a valuable role in the sustainable utilization of plant resources through cell, tissue and organ culture. At the same time, production can be enhanced using productive cell lines, treatment with elicitors, changing nutritional parameters and metabolic engineering. This book provides state-of-the-art information on biodiversity, conservation, ethnobotany, various aspects of In vitro secondary metabolite production, bioprospecting from various plant groups and drug discovery. It also discusses methods of extracting and characterizing drug leads from plant sources.
This text details the plant-assisted remediation method, "phytoremediation", which involves the interaction of plant roots and associated rhizospheric microorganisms for the remediation of soil contaminated with high levels of metals, metalloids, fuel and oil hydrocarbons, nano particles, pesticides, solvents, organic compounds and various other contaminants. Many chapters highlight and compare the efficiency and economic advantages of phytoremediation and nano-phytoremediation to currently practiced soil and water treatment practices. Volume 6 of Phytoremediation: Management of Environmental Contaminants continues the series. Taken together, the six volumes provide a broad-based global synopsis of the current applications of phytoremediation using plants and the microbial communities associated with their roots to decontaminate terrestrial and aquatic ecosystems.
This is the first collection of essays in which European and American philosophers explicitly think out their respective contributions and identities as environmental thinkers in the analytic and continental traditions. The American/European, as well as Analytic/Continental collaboration here bears fruit helpful for further theorizing and research. The essays group around three well-defined areas of questioning all focusing on the amelioration/management of environmentally, historically and traditionally diminished landscapes. The first part deals with differences between New World and the Old World perspectives on nature and landscape restoration in general, the second focuses on the meaning of ecological restoration of cultural landscapes, and the third on the meaning of the wolf and of wildness. It does so in a way that the strengths of each philosophical school-continental and analytic-comes to the fore in order to supplement the other's approach. This text is open to educated readers across all disciplines, particularly those interested in restoration/adaptation ecology, the cultural construction of place and landscape, the ongoing conversation about wilderness, the challenges posed to global environmental change. The text may also be a gold mine for doctoral students looking for dissertation projects in environmental philosophy that are inclusive of continental and analytic traditions. This text is rich in innovative approaches to the questions they raise that are reasonably well thought out. The fact that the essays in each section really do resonate with one another directly is also intellectually exciting and very helpful in working out the full dimensions of each question raised in the volume.
Allelopathy is an ecological phenomenon by which plants release organic chemicals (allelochemicals) into the environment influencing the growth and survival of other organisms. In this book, leading scientists in the field synthesize latest developments in allelopathy research with a special emphasis on its application in sustainable agriculture. The following topics are highlighted: Ecological implications, such as the role of allelopathy during the invasion of alien plant species; regional experiences with the application of allelopathy in agricultural systems and pest management; the use of microscopy for modeling allelopathy; allelopathy and abiotic stress tolerance; host allelopathy and arbuscular mycorrhizal fungi; allelopathic interaction with plant nutrition; and the molecular mechanisms of allelopathy. This book is an invaluable source of information for scientists, teachers and advanced students in the fields of plant physiology, agriculture, ecology, environmental sciences, and molecular biology.
This book takes the place of "Biology of Seagrasses: A Treatise on the Biology of Seagrasses with Special Reference to the Australian Region", co-edited by A.W.D. Larkum, A.J. MaCComb and S.A. Shepherd and published by Elsevier in 1989. The first book has been influential, but it is now 25 years since it was published and seagrass studies have progressed and developed considerably since then. The design of the current book follows in the steps of the first book. There are chapters on taxonomy, floral biology, biogeography and regional studies. The regional studies emphasize the importance of Australia having over half of the world's 62 species, including some ten species published for Australia since the previous book. There are a number of chapters on ecology and biogeography; fish biology and fisheries and dugong biology are prominent chapters. Physiological aspects again play an important part, including new knowledge on the role of hydrogen sulphide in sediments and on photosynthetic processes. Climate change, pollution and environmental degradation this time gain an even more important part of the book. Decline of seagrasses around Australia are also discussed in detail in several chapters. Since the first book was published two new areas have received special attention: blue carbon and genomic studies. Seagrasses are now known to be a very important player in the formation of blue carbon, i.e. carbon that has a long turnover time in soils and sediments. Alongside salt marshes and mangroves, seagrasses are now recognized as playing a very important role in the formation of blue carbon. And because Australia has such an abundance and variety of seagrasses, their role in blue carbon production and turnover is of great importance. The first whole genomes of seagrasses are now available and Australia has played an important role here. It appears that seagrasses have several different suites of genes as compared with other (land) plants and even in comparison with freshwater hydrophytes. This difference is leading to important molecular biological studies where the new knowledge will be important to the understanding and conservation of seagrass ecosystems in Australia. Thus by reason of its natural abundance of diverse seagrasses and a sophisticated seagrass research community in Australia it is possible to produce a book which will be attractive to marine biologists, coastal scientists and conservationists from many countries around the world.
How can cultivated plant biodiversity contribute to the transformation and the "ecologization" of agriculture in Southern countries? Based on extensive field work in the Southern countries, a great deal of scientific progress is presented in all areas affecting agriculture (agronomy, plant breeding and crop protection, cultivation systems, etc.) in order to intensify the ecological processes in cultivated plots and at the scale of rural landscapes.
Cultural landscapes are a product ofthe interactions between humans and natural settings. They are landscapes and seascapes that are shaped by human history and land use. Socioeconomic processes especially, but also environmental changes and natural disturbances, are some of the forces that make up landscape dynamics. To understand and manage such complex landscapes, interdisciplinary and transdisciplinary approaches are necessary, emphasizing the integration of natural and social sciences and considering multiple landscape functions. The spatial patterns of Asian landscapes are strongly related to human activities and their impacts. Anthropogenic patterns and processes have created numerous traditional cultural landscapes throughout the region, and understanding them requires indigenous knowledge. Cultural landscape ecology from a uniquely Asian perspective is explored in this book, as are the management of landscapes and land-use policies. Human-dominated landscapes with long traditions, such as those described herein, provideuseful information for all ecologists, not only in Asia, to better understand the human environmental relationship and landscape sustainability. "
The Tropics are home to the greatest biodiversity in the world, but tropical species are at risk due to anthropogenic activities, mainly land use change, habitat loss, invasive species, and pathogens. Over the past 20 years, the avian malaria and related parasites (Order: Haemosporida) systems have received increased attention in the tropical regions from a diverse array of research perspectives. However, to date no attempts have been made to synthesize the available information and to propose new lines of research. This book provides such a synthesis by not only focusing on the antagonistic interactions, but also by providing conceptual chapters on topics going from avian haemosporidians life cycles and study techniques, to chapters addressing current concepts on ecology and evolution. For example, a chapter synthesizing basic biogeography and ecological niche model concepts is presented, followed by one on the island biogeography of avian haemosporidians. Accordingly, researchers and professionals interested in these antagonistic interaction systems will find both an overview of the field with special emphasis on the tropics, and access to the necessary conceptual framework for various topics in ecology, evolution and systematics. Given its conceptual perspective, the book will appeal not only to readers interested in avian haemosporidians, but also to those more generally interested in the ecology, evolution and systematics of host-parasite interactions.
Coniferous forests are among the most important of ecosystems. These forests are widespread and influence both the financial and biological health of our globe. This text focuses attention on conifers and how these trees acquire, allocate and utilize the resources that sustain this crucial productivity. An international team of experts has surveyed and synthesized the information from an expanding area of inquiry. The first half of the book describes how resources are acquired both by means of photosynthesis and through root systems. The latter half of the volume focuses upon how resources are stored and used. As conifers continue as a resource and ever increasingly important contributor to the regional and global environment sustainability, this book should help establish how much sustainability can be expected and maintained.
The book focuses on the principles and practices of tropical maize improvement with special emphasis on early and extra-early maize to feed the increasing population in Sub-Saharan Africa. It highlights the similarities and differences between results obtained in temperate regions of the world and WCA in terms of corroboration or refutation of genetic principles and theory of maize breeding. The book is expected to be of great interest to maize breeders, advanced undergraduates, graduate students, professors and research scientists in the national and international research institutes all over the world, particularly Sub-Saharan Africa. It will also serve as a useful reference for agricultural extension and technology transfer systems, Non-governmental Organizations (NGOs) and Community-Based Organizations (CBOs), seed companies and community-based seed enterprises, policy makers, and all those who are interested in generating wealth from agriculture and alleviating hunger and poverty in Sub-Saharan Africa.
Of the world's seven continents, Asia is the largest. Its physical landscapes, political units, and ethnic groups are both wide-ranging and many. Southwest, South and Middle Asia are highly populated regions which, as a whole, cover an extremely large area of varied geography. In total, this domain is unique in its plant diversity and large vegetation zones with different communities and biomes. It is rich in endemics, with specific and intraspecific diversity of fruit trees and medicinal plants, including a number of rare, high value, species. At the same time, much of the land in the region is too dry or too rugged, with many geographical extremes. Overgrazing, oil and mineral extraction, and poaching are the major threats in the area. This two-volume project focuses on the dynamic biodiversity of the region with in-depth analysis on phytosociology, plants, animals and agroecology. There are also chapters that explore new applications as well as approaches to overcome problems associated with climate change. Much of the research and analysis are presented here for the first time. We believe this work is a valuable resource for professionals and researchers working in the fields of plant diversity and vegetation, animal diversity and animal populations, and geo-diversity and sustainable land use, among others. The first volume guides our readers to West Asia and the Caucasus region, while volume two focuses on issues unique to South and Middle Asia.
Steppes form one of the largest biomes. Drastic changes in steppe ecology, land use and livelihoods came with the emergence, and again with the collapse, of communist states. Excessive ploughing and vast influx of people into the steppe zone led to a strong decline in nomadic pastoralism in the Soviet Union and China and in severely degraded steppe ecosystems. In Mongolia nomadic pastoralism persisted, but steppes degraded because of strongly increased livestock loads. After the Soviet collapse steppes regenerated on huge tracts of fallow land. Presently, new, restorative steppe land management schemes are applied. On top of all these changes come strong effects of climate change in the northern part of the steppe zone. This book gives an up-to-date overview of changes in ecology, climate and use of the entire Eurasian steppe area and their effects on livelihoods of steppe people. It integrates knowledge that so far was available only in a spectrum of locally used languages.
The present edited book is an attempt to update the state of art of the knowledge on metabolism of ROS and antioxidants and their relationship in plant adaptation to abiotic stresses involving physiological, biochemical and molecular processes. The chapters are much focused on the current climate issues and how ROS metabolism can manipulate with antioxidant system to accelerate detoxification mechanism. It will enhance the mechanistic understanding on ROS and antioxidants system and will pave the path for agricultural scientists in developing tolerant crops to achieve sustainability under the changing environmental conditions. The increase in abiotic stress factors has become a major threat to sustainability of crop production. This situation has led to think ways which can help to come out with potential measures; for which it is necessary to understand the influence of abiotic stress factors on crops performance and the mechanisms by which these factors impact plants. It has now become evident that abiotic stress impacts negatively on plant growth and development at every stage of plant's life. Plants adapt to the changing environment with the adjustment at physiological, biochemical and molecular levels. The possible mechanisms involved in the negative effects of abiotic stress factors are excess production of reactive oxygen species (ROS). They alter physiological and molecular mechanisms leading to poor performance of plants. Plants however, are able to cope with these adverse effects by inducing antioxidant systems as the priority. Nevertheless, the dual role of ROS has now been ascertained which provides an evidence for regulation of plant metabolism positively on a concentration-dependent manner. Under conditions of high ROS production, the antioxidant system plays a major role in diminishing the effects of ROS. Thus, ROS production and antioxidant system are interwoven with abiotic stress conditions. The antioxidants have the capacity to hold the stability in metabolism in order to avoid disruption due to environmental disturbances.
This book examines the way that lead enters the biosphere and the subsequent environmental impact. The contributing authors include international experts who provide methods for assessing and characterizing the ecological risk of lead contamination of soil and plants. Information is provided on the consequences for human health as a result of lead pollution. This book reveals that approximately 98% of stable lead in the atmosphere originates from human activities. Lead in Plants and the Environment reports on methods for detecting, measuring, and assessing the concentration of lead in plants. The authors provide a method for the measurement of 210Pb isotopes in plants. This method can be applied extensively in different environmental settings, not only as a way of revealing sources of lead, but also as a way to monitor lead transport in plants and animals that ingest them. The chapters include coverage on the following topics: * Lead bioavailability in the environment and its exposure and effects * Radioanalytical methods for detecting and identifying trace concentrations of lead in the environment * Lead contamination and its dynamics in soil plant systems * Lead pollution monitoring and remediation through terrestrial plants in mesocosm constructed wetlands * A review of phytoremediation of lead This book is a valuable resource to students, academics, researchers, and environmental professionals doing field work on lead contamination throughout the world. |
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