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This book brings together the molecular aspects of the pathogenesis of entomopathogenic fungi, various aspects of mycoinsecticide development, and regulatory aspects to highlight the immense contribution of the agricultural sector. The chapters address aspects of entomopathogenic fungi, including host-pathogen interactions (susceptibility and resistance), fungus-insect and fungus-fungus dual interactions, phylogeny and taxonomy, biochemistry, and molecular basis of enteropathogenesis, market potential of entomopathogens, regulatory aspects, bioprospecting of fungi, fungi as crop bodyguards and in disease suppression, and consortia for the control of insect pests and pathogens in single crop systems. Written by experts in academia and industry from Algeria, Brazil, Hungary, India, Italy, Malaysia, Oman, Pakistan, and the United States, the book overviews entomopathogenic fungi used as biological control agents against insect pests and other arthropods, their mode of action, pathogenesis, bioactive metabolites, mycotoxins involved, their mass production, limitations, and agricultural- and environment-related issues. It also includes developing various biopesticide products, with special references to formulations and prospects. In agriculture, crop protection and production depend on insect pests controlled by entomopathogenic fungi. Understanding the pathogenicity, mechanism of action, formulations, and applications of a wide array of entomopathogenic fungi as biopesticides is a valid eco-friendly approach. The book provides advances in pathogenicity, biochemistry, virulence, and interaction that facilitate the application of Beauveria, Metarhizium, and other entomopathogens as potential biopesticides against major insect pests. Developments in bioactive compounds, secondary metabolites, enzymes, and toxins of entomopathogenic fungi have facilitated precise applications and management to target insect pests. Further advances in molecular aspects, the formulation of nanobiopesticides, and biofabricated technology paved the way for insect pest control. This book will be a helpful resource for students, teachers, researchers, scientists, and professionals in the industry working on biological sciences, applied entomology, mycology, zoology, forestry, biochemistry, molecular biology, and nanotechnology.

Africa is largely dependent on natural resources in its quest to achieve sustainable development goals, with its woodlands and forests known to be among the most exploited ecosystems. Anthropogenic pressure has led to the progressive conversion of these woodlands and forests into patches of regrowth stands, savanna and cropland systems. Expansion with intensification of agricultural land and the unsustainable use of fuelwood biomass are among the major drivers of such landscape transformations and the associated decline of biodiversity and ecosystem services. This phenomenon is growing in magnitude and significance with emerging environmental issues including climate change, biological invasion, and pollution arising from various land use practices, thereby jeopardizing Africa's development pathway. Agroforestry holds promises to reverse this trend, as it provides the potential for designing multifunctional agricultural landscapes that guarantee trade-offs of food security, biodiversity conservation, and ecosystem services. Africa is characterized by highly variable ecological conditions and remarkable cultural diversity that influence the conception of landscape multifunctionality. Drawing upon the vast experience of researchers and many other professionals in Africa, this book contextualizes the roles of trees in African multifunctional landscapes, capturing the biophysical and societal diversity in the region, while scrutinizing the ongoing trend of landscape multifunctionality in Africa with reference to the global scenario. It is designed to provide a holistic and comprehensive understanding of the various roles of trees in African landscapes and shed light on the underlying functional attributes of trees, which will help readers to generate a better insight and problem-solving approach for landscape multifunctionality in the context of Africa. This book defines the multifunctional landscapes with reference to an African context. The book has fourteen chapters, covering five broad thematic areas (i) the multiple services, functions and role of trees in multifunctional landscapes; (ii) tree-based production systems, products and their contributions to rural livelihoods; (iii) drivers of land cover changes and their impacts; (iv) approaches for managing resources to integrate trees in multifunctional landscapes; and (v) external factors affecting landscape resources management in Africa.

This edited book addresses various aspects of sustainable land management, including existing policy norms and indigenous knowledge. It focuses on how sustainable land management can combat desertification, increase livelihood opportunities, mitigate poverty and hunger, and conserve biodiversity. The book explores different sustainable land management practices and policy frameworks in India aimed at achieving land degradation neutrality. Sustainable land management (SLM) encompasses Nature-based Solutions for restoring degraded landscapes, mitigating and adapting to climate change, ensuring water and food security, alleviating poverty, promoting economic growth, and conserving biodiversity. This book is suitable for academicians, researchers, and policymakers involved in developing roadmaps and policies to achieve the 2030 Agenda for Sustainable Development.

This book gathers the latest advances, innovations, and applications in the fields of agricultural biotechnology, agro-food systems and forestry, as presented by leading international researchers and engineers at the 7th International Conference on Safety, Health and Welfare in Agriculture and Agro-food Systems (SHWA), held in Ragusa, Italy, on September 6–9, 2023. The papers cover a range of topics such as agricultural assistive technologies, machine milking, animal welfare, sustainable livestock farming, work organization and logistic in agro-food supply chain, agricultural instrumentation and equipment, safety and health in building, agriculture 4.0, automation, occupational health, precision farming, effect of landscapes on human health, environmental safety, rural health, agricultural machinery, ROPS, augmented reality and IoT, cyber security. The contributions included in the book were selected by means of a rigorous peer-review process and offer an extensive and multidisciplinary overview of interesting solutions in the field of sustainable agriculture.

This book highlights processes, impacts and management practices of bamboo expansion occurring in areas where it is distributed around the world. Although not conceptually plant invasions, bamboo expansion has been considered an “invasion” based on its characteristics and the impacts it caused on adjacent ecosystems it expanded into, including altered element cycling, transformed soil microbial community compositions, decreased biodiversity, fluctuated primary productions, etc. However, the processes and impacts during or after complete expansion and the underlying mechanisms of successful expansion, are still unclear. The ecological effects of bamboo expansion are not given full consideration and are not thoroughly understood. Based on the latest studies, this book synthesizes research progress of bamboo expansion effects on the soil abiotic environment, soil microbial community compositions, plant characteristics, ecosystem biodiversity, element cycling process, and ecological effects of primary management practice, etc. This book will provide a thorough understanding of ecological changes following bamboo expansions, benefit the effective control of expanding bamboo with respect to decreased biodiversity and mitigation of global change, and accurate prediction and evaluation of bamboo expansion impacts currently and in the future occur around the world. This book presents critical points that need further investigation based on the latest findings, which will be helpful for ecological researchers, policymakers, forestry workers, or graduate and PhD students.

This volume gathers the latest advances, innovations, and applications in the field of biosystems engineering, as presented at the 12th Conference of the Italian Association of Agricultural Engineering (AIIA), held in Palermo, Italy, on September 19-22, 2022. Focusing on the challenges of improving the resilience of agriculture, forestry and food systems in the post-Covid era, it shows how the research has addressed the following topics: Monitoring and modelling hydraulic and hydrological processes in agriculture and forestry systems; Challenges in stream rehabilitation and soil conservation strategies; Sustainable water resource management under climate change scenarios; Planning safe, healthy and resilient territorial, built and green systems; Cultural heritage preservation and rural landscape protection, planning and management; Plant and livestock production processes and technologies. Healthy and Organic farming. Animal welfare; Energy, waste and by-products smart use; Post-harvest logistics and food chain structures technology; Applications and experiences in smart agriculture and forestry; One Health, management and standardization for agriculture and forestry machinery and structures; Big data, machine learning and data hub in biosystems engineering. The contributions were selected by a rigorous peer-review process, and offer an extensive and multidisciplinary overview of the research in the field of biosystems engineering for sustainable agriculture.

This book offers an overview of the most important research and developments in silvopastoral systems of the northern part of South America and Central America, including the most common silvopastoral arrangements in each country and their characteristics in terms of productivity, and environmental and socioeconomic aspects. Featuring a compilation of original research articles, country overviews and reviews of the contribution of silvopastoral systems to different topics, it summarizes the state-of-the-art knowledge regarding various aspects of silvopastoral systems in this region.

This edited book covers all aspects of wood degradation from its formation and growing in trees to its end usages when it is put into human usage. Wood is an age-old traditional fascinating material with a sensory-rich immersive experience that kindles aesthetics and creativity. The utility, durability, and functionality of wood render it a cosmopolitan material. It constitutes an integral part of human lives from ancient times to modern societies being used by various sectors viz., construction, furniture, panel products, paper and pulp, sports goods, agricultural implements, etc., Wood, being a biological material, is susceptible to degradation both by physical and biological means, and the need to protect the wood and prevent heavy economic losses constitutes a major challenge. Also, wood formed by the trees is the major sinks of carbon and the carbon remains locked-up for the life of the wood, thereby serving as important tool to mitigate the climate change. But the carbon stored in wood returns to the atmosphere when it degrades and will have positive effect on climate change. Hence, wood protection aiming for extending the service life of wood plays a key role in locking the carbon for a longer period in the wood and also substantially reduce the demand and depletion of forest resources. The book focuses on wood as an important natural bio-resource, inventory of wood protection, usage, utilization, preservatives, protection technologies and wood protection from all forms of degradation. Special focus is given on the eco-friendly way of protecting wood and its importance in mitigating climate change. The book is useful for Indian and international readers, who are working in wood domains. It is of interest to wood technologists, teachers, researchers, climate change scientists, capacity builders, and policymakers. It is of immense importance as a guide and study material to the graduate and postgraduate students of wood science in various universities of India and abroad.

This book will address the major subsoil physical and chemical constraints and their implications to crop production; Plant growth is often restricted by adverse physical and chemical properties of subsoils yet these limitations are not revealed by testing surface soils and hence their significance in crop management is often overlooked. The major constraints can be physical or chemical. Physical limitations such as poor/nil subsoil structure, sandy subsoils that do not provide adequate water or gravelly subsoils and, etc. On the other hand, chemical constraints include acidity/alkalinity, high extractable Al or Mn, low nutrient availability, salts, boron toxicity and pyritic subsoils. Some of these constraints are inherent properties of the soil profile while others are induced by crop and soil management practices. This aim of this book is to define the constraints and discuss amelioration practices and benefits for crop production. This book will be of interest to readers involved with agriculture and soil sciences in laboratory, applied or classroom settings.

The aim of this book is to present, in depth, updated information on soil and microbial processes involved in mixed plantations of Eucalyptus and N2-fixing species, especially Acacia mangium, focusing on Forestry, Soils, Biology, Ecosystem Services and Sustainability. The potential of substituting chemical N fertilizer by a consortium of leguminous species that fix atmospheric nitrogen is an interesting solution for a more sustainable, economically and environmentally sound forest system. Among the main topics, we present reference topics on soil microbiology, as biological nitrogen fixation, the role of mycorrhiza in mixed plantations, bio-indicators of soil quality, and plantgrowth promoting bacteria with biotechnological potential. Here we discuss Ecosystem services and ecological benefits of these systems, the invasive potential of A.mangium, as well as the regulations and perspectives of land use policies for mixed forests and their role in the sustainability of the system.

The studies in this volume provide an ethnography of a plantation frontier in central Sarawak, Malaysian Borneo. Drawing on the expertise of both natural scientists and social scientists, the key focus is the process of commodification of nature that has turned the local landscape into anthropogenic tropical forests. Analysing the transformation of the space of mixed landscapes and multiethnic communities—driven by trade in forest products, logging and the cultivation of oil palm—the contributors explore the changing nature of the environment, multispecies interactions, and the metabolism between capitalism and nature. The project involved the collaboration of researchers specialising in anthropology, geography, Southeast Asian history, global history, area studies, political ecology, environmental economics, plant ecology, animal ecology, forest ecology, hydrology, ichthyology, geomorphology and life-cycle assessment.Collectively, the transdisciplinary research addresses a number of vital questions. How are material cycles and food webs altered as a result of large-scale land-use change? How have new commodity chains emerged while older ones have disappeared? What changes are associated with such shifts? What are the relationships among these three elements—commodity chains, material cycles and food webs? Attempts to answer these questions led the team to go beyond the dichotomy of society and nature as well as human and non-human. Rather, the research highlights complex relational entanglements of the two worlds, abruptly and forcibly connected by human-induced changes in an emergent and compelling resource frontier in maritime Southeast Asia.Chapters ‘Commodification of Nature on the Plantation Frontier'and ‘Into a New Epoch: The Plantationocene'are available open access under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License via link.springer.com.

This book covers the sustainable tropical agriculture, sustainable tropical animal production and health, sustainable tropical forestry, socio-economic dimension in tropical agriculture and innovative and emerging food technology and management as chapters in this book. The common challenging problems in plant, animal, and fisheries production in the tropic are climate change, inefficiency production system, low technological innovation, decreasing environment quality, and the outbreak risk of pest and diseases.

This book, Medicinal and Aromatic Plants IX, like the previous eight volumes published in 1988, 1989, 1991, 1993, 1994, and 1995, is unique in its approach. It comprises twenty-four chapters dealing with the distribution, importance, conventional propagation, micropropagation, tissue culture studies, and the in vitro production of important medicinal and pharmaceutical compounds in various species of Agave, Anthemis, Aralia, Blackstonia, Catha, Catharanthus, Cephalocereus, Clerodendron, Coronilla, Gloeophyllum, Liquidambar, Marchantia, Mentha, Onosma, Paeonia, Parthenium, Petunia, Phyllanthus, Populus, Portulaca, Sandersonia, Serratula, Scoparia, and Thapsia. It is tailored to the needs of advanced students, teachers, and research scientists in the field of pharmacy, plant tissue culture, phytochemistry, biochemical engineering, and plant biotechnology in general.

This volume presents twenty-four chapters on the biotechnology of trees and deals with the importance, distribution, conventional propagation, micropropagation, review of tissue culture studies, in vitro culture, and genetic manipulation of forest, fruit and ornamental trees, such as various species of Acrocomia, Ailanthus, Anacardium, Allocasuarina, Carya, Casuarina, Coffea, Cyphomandra, Fagus, Feijoa, Fraxinus, Gymnocladus, Leptospermum, Metroxylon, Oxydendrum, Paeonia, Paulownia, Pouteria, Psidium, Quercus. Included are also five chapters on gymnosperm trees, such as Abies fraseri, Cephalotaxus, Pinus durangensis, P. greggii, P. halepensis, P. pinea, and Tetraclinis articulata. Trees IV is a valuable reference book for scientists, teachers, and students of forestry, botany, genetics and horticulture, who are interested in tree biotechnology.

The world needs for food and fiber continue to increase. Population growth in the developing countries peaked at 2. 4 percent a year in 1965, and has fallen to about 2. 1 percent. However, in many developing countries almost half the people are under 15 years of age, poised to enter their productive and reproductive years. The challenges to produce enough food for this growing population will remain great. Even more challenging is growing the food in the areas of greatest need. Presently the world has great surpluses of food and fiber in some areas while there are devastating deficiencies in other areas. Economic conditions and the lack of suitable infrastructure for distribution all too often limit the alleviation of hunger even when there are adequate supplies, sometimes even within the country itself. World hunger can only be solved in the long run by increasing crop production in the areas where the population is growing most rapidly. This will require increased efforts of both the developed and developing countries. Much of the technology that is so successful for crop production in the developed countries cannot be utilized directly in the developing countries. Many of the principles, however, can and must be adapted to the conditions, both physical and economic, of the developing countries.

The world population in 1930 was 2 billion. It reached 3 billion in 1960, stands at 4. 6 billion today, and is expected to reach 6 billion by the end of the century. The food and fiber needs of such a rapidly increasing population are enormous. One of the most basic resources, perhaps the most basic of all, for meeting those needs is the Soil. There is an urgent need to improve and protect this resource on which the future of mankind directly depends. We must not only learn how to use the soil to furnish our immediate needs, but also ensure that the ability of the soil to sustain food production in the future is unimpaired. This is indeed a mammoth task; a 1977 United Nations survey reported that almost one-fifth of the world's cropland is now being steadily degraded. The diversity of soil makes it necessary for research to be conducted in many locations. There are basic principles, however, that are universal. This series, Advances in Soil Science, presents clear and concise reviews in all areas of soil science for everyone interested in this basic resource and man's influence on it. The purpose of series is to provide a forum for leading scientists to analyze and summarize the available scientific information on a subject, assessing its importance and identifying additional research needs. But most importantly, the contributors will develop principles that have practical applications to both developing and developed agricultures.

Attempting to collect, sort out, comment on and summarize from available literature the relevant information dealing with a specific problem is always a difficult task which necessarily involves sub­ jective choices and implies a considerable risk of errors and omis­ sions. The difficulty is increased when, as in the case of incompati­ bility in angiosperms, the subject to be treated traces its history to preDarwinian times and reflects the total sum of numerous in­ vestigations dealing with widely different disciplines, such as ge­ netics, cytology, biochemistry, systematics and physiology, which no single reviewer may pretend to master sufficiently to avoid completely the possibility of misinterpretation. Furthermore, the complexity of the task is further augmented by the fact that the student of incompatibility, confronted as he or she is with still poorly understood phenomena of genetic control and molecular recognition, often tends to be speculative and, in some instances, over-imaginative at the time of fitting research observations and experimental data into appropriate models, schemes and hypo­ theses. The compensation for such a state of affair is, however, a strong one and lies in the remarkable willingness and readiness of'in­ compatibilists'to cooperate, and to provide information, ex­ planations and illustrations to anyone attempting to penetrate into their universe of research and of reflection.

The impetus for this book was the desire to systematically organize the extant literature on the conservation of cultural property made of wood, from its beginnings before the Christian Era to the year 2000. Various published reviews and monographs, including Holzkonservierung (Wood Conserva­ tion) published by the senior author in 1988, have appeared over the years, especially in English and in German. They have provided exemplary treat­ merit of individual areas or aspects of wood conservation, but a comprehen­ sive, up-to-date exposition of historic and current developments has been lacking. The diverse professional fields of the authors, as well as their insights into methods of conservation and restoration of wood artifacts in Europe, North America, and Asia provided a solid basis for the success of this under­ taking. One of the goals during the examination of the literature was that not only well-known conservators and scientists from countries that are leaders in wood conservation should be represented, but that less well-known, often not as readily accessible contributions should also be included. Only in this manner was it possible to draw a comprehensive picture of the national and international state of wood conservation. The Art and Archaeology Technical Abstracts (AATA) of the Getty Institute were very helpful in our efforts to evaluate as many publications as possible.

Jointly published with INRA, Paris.Pesticide resistance is becoming more frequent and widespread with more than 500 insect species known to have become resistant to synthetic insecticides. On the other hand, consumers increasingly demand agricultural products without any pesticide residues. This book, for the first time, shows the alternative: solely physical methods for plant protection by means of thermal, electromagnetic, mechanical and vacuum processes. A glossary rounds up this extremely valuable book.

Ex situ preservation of germplasm for higher plant species has been accom­ plished using either seeds or clones, but storage of these under typical condi­ tions does not provide the extreme longevities that are needed to minimize risk of loss. Costs of maintenance and regeneration of stocks are also high. Systems that provide virtually indefinite storage should supplement existing methods and it is within this context that cryopreservation is presented. The use of low temperature preservation was initially more a concern of medicine and animal breeding, and was expanded to plants in the 1970s. Sur­ vival after cryogenic exposure has now been demonstrated for diverse plant groups including algae, bryophytes, fungi and higher plants. If survival is com­ monplace, then the eventual application is a cryopreservation system, whereby cells, tissues and organs are held indefinitely for use, often in the unforeseen future. The increasing interest and capabilities for application could not haveoccurred at a more opportune time since expanding human populations have placed unprecedented pressures on plant diversity. This book emphasizes cry­ opreservation of higher plants and was initially driven by the concern for loss of diversity in crops and the recognized need that this diversity would be essential for continued improvement of the many plants used by society for food, health and shelter. The interest in cryopreservation has been expanded by conservationists and their concerns for retaining, as much as possible, the diversity of natural populations. The need for cryopreservation, thus, is well established.

There has been tremendous progress in the genetic transformation of agricultural crops, and plants resistant to insects, herbicides,and diseases have been produced, field tested and patented. Transgenic Crops III compiles this information on ornamental, aromatic, medicinal and various other crops. It comprises 26 chapters and is divided into two sections.I. Ornamental, Aromatic and Medicinal Plants: Anthurium, Antirrhinum, Artemisia, Begonia, Campanula, carnation, chrysanthemum, Dendrobium, Eustoma, Gentiana, Gerbera, Gladiolus, Hyoscyamus muticus, Hyssopus officinalis, ornamental Ipomoea, Leontopodium alpinum, Nierembergia, Phalaenopsis, Rudbeckia, Tagetes, and Torenia. II. Miscellaneous Plants: Craterostigma plantagineum, Flaveria bidentis, Moricandia Solanum brevidens, and freshwater wetland monocots. The book is of special interest to advanced students, teachers and research workers in the fields of plant breeding, genetics, molecular biology, plant tissue culture and plant biotechnology in general.

The second edition of Mycorrhiza falls into a time period of excep­ tionally rapid growth in mycorrhizal research. Therefore the edi­ tors have been most pleased with the decision of the Springer Verlag to revise the first edition and to incorporate the remarkable advances experienced in the mycorrhizal field. The pace of discovery has been particularly fast at the two poles of biological complexity, the molecular events leading to changes in growth and differentiation, as well as the factors regulating the structure and diversity of natural populations and communities. Therefore the most significant changes introduced in the new edition of this book are found within these topics. Not only were many chapters up­ dated, but also new chapters have replaced existing ones. The individual decisions have not been easy, since valuable contribu­ tions had to be sacrificed in favour of new aspects; but the authors hope that a highly topical new edition will be of greatest benefit for a rapidly expanding field of research. We welcome comments and critics from readers. Since it was possible again to find leading scientists as contribu­ tors, we are confident that this revised second edition will stimulate further progress and contribute to a deeper understanding of advances in the mycorrhizal field. We are grateful to the Springer­ Verlag, especially Dr. Dieter Czeschlik, for his continued interest and active help. Dr. Maja Hilber-Bodmer and Dr.

The Bear Brook Watershed in Maine (BBWM) is a long-term, whole-watershed study examining the effects of experimentally elevated N and S deposition on a treated watershed, in comparison to the adjacent reference watershed. The study is in a northern New England, USA, forested ecosystem, and focuses on soil and stream hydrological and biogeochemical processes, and chemical responses of vegetation. Relative to the reference watershed, the treated ecosystem has migrated biogeochemically towards N saturation, and soil and stream acidification. Some of the responses to N amendments were not expected nor predicted by available models.

This volume comprises a selection of original contributions presented at a workshop held in Montpellier, France, in June 1997. The two main objectives of the workshop were, firstly, to bring together what is understood about the processes underlying agroforestry practice, and, secondly, to provide a forum to explore relevant models and modelling approaches. The workshop was also able to play a role in examining the agroforestry systems encountered in temperate and Mediterranean areas, including both traditional and more innovative agroforestry practices. The main aspects discussed were: ecological interactions amongst components, environmental impact, economics and policy modelling.

Large areas of the warm, humid tropics in Southeast Asia, the Pacific, Latin America, the Caribbean, and Africa are hilly or mountainous. Jackson and Scherr (1995) estimate that these tropical hillside areas are inhabited by 500 million people, or one-tenth of the current world population, many of whom practice subsistence agriculture. The region most affected is Asia which has the lowest area of arable land per capita. Aside from limited areas of irrigated terraces, most of the sloping land, which constitutes 60% to 90% of the land resources in many Southeast Asian countries, has been by-passed in the economic development of the region (Maglinao and Hashim, 1993). Poverty in these areas is often high, in contrast to the relative wealth of irri­ gated rice farms in lowland areas that benefited from the green revolution. Rapid population growth in some countries is also exacerbating the problems of hillside areas. Increasingly, people are migrating from high-potential lowland areas where land is scarce to more remote hillside areas. Such migra­ tion, together with inherent high population growth, is forcing a transforma­ tion in land use from subsistence to permanent agriculture on fragile slopes, and is creating a new suite of social, economic, and environmental problems (Garrity, 1993; Maglinao and Hashim, 1993).

Behavioural Mechanisms of Food Selection examines animals belonging to diverse trophic groups, from carnivores, herbivores, micro-algal grazers, to filter-feeders and detritus-feeders. In the past Optimal Foraging Theory has been applied to all these groups, but in different ways and in disci plines that rarely overlap. Here concepts and developments hitherto scattered in the literature are drawn together. This uniquely broad synthesis captures the state of the art in the study of diet selection and prescribes new objectives in theoretical development and research.

Chinese plant life is estimated to include up to 30,000 species and extends from the Himalayan snow line across a diversity of habitats to the lush tropical south. It is embraced by a culture going back more than 3000 years, providing plants for medicinal use and some of the most valued horticultural species. Although for many years access to Chinese plants was limited, the present situation provides an opportunity for a new and authoritative assessment of such botanical treasure-houses as Yunnan and Sichuan. The present book provides an overview of the subject and is fully referenced and indexed. It will be of interest to those working in agriculture, alternative medicine, plant conservation, ecology, genetics, horticulture, molecular biology and taxonomy.

Das Thema der gentechnisch veränderten Lebensmittel wird vor allem in Europa zur Zeit intensiv diskutiert. Meist wird die Gentechnologie für Lebensmittel abgelehnt. Dabei herrschen emotionsgeladene Schlagworte statt wissenschaftlich begründeter Argumente vor. Biotechnologie wird – so Pinstrup-Andersen und Schiøler – keine Wunder bewirken und auch die Nahrungsmittelknappheit nicht mit einem Schlag lösen, sie ist aber ein unabdingbares Hilfsmittel im Kampf gegen Hunger und Unterernährung. Die Autoren treten einerseits für eine umfassende Überprüfung der Konsequenzen für Umwelt und Gesundheit ein. Andererseits plädieren sie dafür, die möglichen Vorteile der Gentechnologie in der Lebensmittelproduktion nicht zu vergessen. Für die Entwicklungsländer bedeutet sie mehr, und vor allem auch gehaltvollere Nahrung, und kann so mithelfen, das drängende Problem der Hungersnöte und der permanenten Unterernährung in diesen Weltteilen zu lösen – jedoch nur, wenn die Industrienationen sich nicht aktiv gegen diese Entwicklungen stellen. Per Pinstrup-Andersen erhielt für seine außergewöhnlichen Leistungen in der Lebensmittelpolitik und -forschung für die Entwicklungsländer den internationalen'2001 World Food Prize'.

Das'Handbuch der Segetalpflanzen Mitteleuropas'ist das erste umfassende Nachschlage- und Bestimmungswerk für die wichtigsten und vielfach auch schon selten gewordenen Unkrautpflanzen Deutschlands, Österreichs und der Schweiz. Botaniker, Ökologen, sowie Fachleute aus Pflanzen- und Naturschutz erhalten eine detaillierte Charakterisierung von über 200 Pflanzenarten, für weitere 190 einen kurzen Überblick. Diese Darstellung umfasst Beschreibungen, Zeichnungen und Diagramme zu: • Taxonomie • Morphologie • Synökologie • Chorologie • pilzlichen und tierischen Begleitern • Schutz- und Kontrollmaßnahmen • Wuchsformen und Entwicklungsstadien • Diasporen • aktueller geographischer Verbreitung

Saline land is a resource capable of significant production. Recent advances in research in breeding for salt tolerance in wheat, biotechnology in rice, and selection and rehabilitation of salt-tolerant plants are of economic importance in arid/saline conditions. This book gives some practical approaches for saline agriculture and afforestation, and describes examples of cultivating salt-tolerant/halophytic plants for commercial interest on salt-affected land or with highly salinized water in Australia, China, Central Asia, Egypt, Pakistan, and Russia. It also explores the possibilities of arid/saline agriculture and afforestation in UAE.

JOHN G. HILDEBRAND Research on insect olfaction is important for at least two reasons. First, the olfactory systems of insects and their arthropod kin are experi­ mentally favourable models for studies aimed at learning about general principles of olfaction that apply to vertebrates and invertebrates alike. Detailed comparisons between the olfactory pathways in vertebrates and insects have revealed striking similarities of functional organisation, physiol­ ogy, and development, suggesting that olfactory information is processed through neural mechanisms more similar than different in these evolution­ arily remote creatures. Second, insect olfaction itself is important because of the economic and medical impact of insects that are agricultural pests and disease vectors, as well as positive impact of beneficial species, such as the bees and moths responsible for pollination and production of honey. The harm or benefit attributable to an insect is a function of what it does - that is, of its behaviour - which is shaped by sensory information. Often olfaction is the key modality for control of basic insect behaviour, such as ori­ entation and movement toward, and interactions with, potential mates, appro­ priate sites for oviposition, and sources of food. Not surprisingly, therefore, much work on insect olfaction has been motivated by long-term hopes of using knowledge of this pivotal sensory system to design strategies for mon­ itoring and managing harmful species and fostering the welfare of beneficial ones.

Diagnostically illustrated with light and scanning electron micrographs, Comparative Wood Anatomy lucidly introduces dicotyledon wood in terms of cell types and their variations, pertinent literature, taxonomic distribution of features, terminology, and methods for preparation. Two final chapters present syntheses: taxonomic achievements of wood studies; and the evolutionary relationship between structure, physiological function, and ecology. This detailed survey serves a wide range of interests: identification, systematics, evolution and physiology.

The present volume, Xylem Structure and the Ascent of Sap by M. H. Zimmermann, very appropriately inaugurates the Springer Series in Wood Science, an enterprise recently initiated in the belief that wood and related forest products at this time have attained a new importance as renewable resources available in vast quantities. The scope of the series is intended to be wide, and virtually all aspects of wood science and technology will be considered. Topics will include the structure of wood and bark and the chemistry of their various components, the physical and mechanical properties of wood, its formation and biodegradation, the processing of forest products, the utilization of the forest biomass, and the manufacture of pulp and paper. Some of the volumes in this series are intended to be textbooks, but most will be monographs concerned with a limited subject area that will be treated in depth. The majority will have only one author. The books will be written by recognized experts, and will reflect the most recent information available. It is my hope that they will serve the purpose of drawing attention to wood, one of the most remarkable and useful of all natural materials.