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      • Grupo Planeta

        Grupo Planeta is Spain’s leading family-owned publishing and media group and it boasts an extensive product offering at the service of culture, learning, news and audiovisual entertainment. In the years since Editorial Planeta was founded in Barcelona by José Manuel Lara Hernández, in 1949, the Group has become a multinational enterprise. It combines a solid business tradition with its capacity for innovation and its European and international vocation, with an especially prominent presence in Spain, France, Portugal and Latin America.

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      • E-planet Educational Services

        About E-planet E-planet Educational Services is an international organisation created by a dedicated and enthusiastic team of experts on education, marketing and development. Our goal is to provide our partners, students and customers with top-level services and products. That is why we have developed a unique, fully integrated company for ESL (English as a Second Language) educational services and business training. We combine traditional methods with cutting-edge technology to achieve a variety of purposes!

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      • Trusted Partner
        Geography & the Environment
        October 2020

        Plant Invasions

        The Role of Biotic Interactions

        by Anna Traveset, David M Richardson

        Despite many books on plant invasions, none has focused on the role of species interactions. This book is a comprehensive overview of how plant invasions are mediated by varied species interactions and how such invasions influence this important component of biodiversity which involves the interactions (the 'glue') among a community's species. Besides highlighting relevant findings, the book digs deeply into new methodologies to understand species interactions in plant invasions and how this can improve management of invaded communities. The book covers: - Main theories/hypotheses in plant invasion ecology that invoke species interactions - Plant invasions promoted by mutualistic interactions and release from enemies - Antagonistic interactions preventing or hindering plant invasions - Consequences of plant invasions on native species interactions and ecosystem functioning - The interaction network approach to understanding plant invasions - Importance of considering species interactions in managing plant invasions Future avenues of research are highlighted in a final chapter. Table of contents Part I: Background Chapter 1: Plant invasions: the role of biotic interactions – An overview Chapter 2: The role of biotic interactions in invasion ecology: theories and hypotheses Part II: Positive and negative interactions in the soil Chapter 3: Soil biota and non-native plant invasions Part III: Mutualistic interactions that promote plant invasions Chapter 4: Pollination interactions promoting plant invasions- Chapter 5: Seed dispersal interactions promoting plant invasions Chapter 6: Ungulates as dispersal vectors of non-native plants Chapter 7: The role of plant-plant facilitation in non-native plant invasions Chapter 8: How direct and indirect non-native interactions can promote plant invasions, lead to invasional meltdown, and inform management decisions Part IV: Antagonistic interactions that hinder plant invasions Chapter 9: Biotic resistance to plant invasions Chapter 10: EICA 2.0: A general model of enemy release and defence in plant and animal invasions Chapter 11: The role of pathogens in plant invasions Chapter 12: Direct and indirect effects of herbivores influencing plant invasions Part V: Consequences of plant invasions for biotic interactions among native species Chapter 13: Impacts of non-native plants on plant-pollinator interactions Chapter 14: The effect of non-native plant invasions on seed dispersal of native plants Chapter 15: Allelopathic disruptions of biotic interactions due to non-native plants Chapter 16: Competition between native and non-native plants Chapter 17: Indirect biotic interactions between non-native plants and native plants and animals Part VI: Novel techniques and experimental approaches in the study of plant invasions Chapter 18: How a network approach has advanced the field of plant invasion ecology Chapter 19: Molecular ecology of plant-microbial interactions during invasions: progress and challenges Part VII: Biotic interactions and the management of ecosystems invaded by non-native plants Chapter 20: How can progress in the understanding of antagonistic interactions be applied to improve biological control of plant invasions? Chapter 21: Restoration of pollination interactions in communities invaded by non-native plants Chapter 22: Restoration of seed dispersal interactions in communities invaded by non-native plants Chapter 23: Multiple feedbacks due to biotic interactions across trophic levels can lead to persistent novel conditions that hinder restoration

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        Technology, Engineering & Agriculture
        August 2023

        Parasitic Plants in African Agriculture

        by Lytton John Musselman, Jonne Rodenburg

        Parasitic Plants in African Agriculture brings together for the first time in a single volume, the ecology, biology, damage, and control of all groups of African parasitic plants including both the relatively few parasites introduced to the continent as well as those native parasites that have spread from within Africa. The book covers the well-known witchweeds and broomrapes but also groups and species that have received less attention including mistletoes, dodders, rice vampire weed, and other species posing threats. The book distinguishes between stem and root parasitic weeds and between holoparasites and (facultative or obligate) hemiparasites. Based on their research and experience collectively spanning six decades, the authors provide an authoritative and state-of-the-art overview of the distribution, biology and impact of these highly specialized weeds and include recommendations for their management. Since parasitic plants in African agriculture primarily affect smallholder farmers, these weeds are explicitly discussed within a context of resource limitations and global changes. Readers are informed on all parasitic plant species relevant to African agriculture and the impact these plants have on crop production and livelihoods of smallholders in a changing world. Current and future management strategies are outlined in terms of their principles and effectiveness as well as their feasibility and affordability for farmers, all of which determine farmer adoption. The final chapter synthesises some of the relevant findings and statistics regarding parasitic weed distribution and their host crops and discusses implications in terms of future crop protection concerns in African agricultural systems. Key features: · Authoritative text based on extensive field and laboratory work. · First comprehensive state-of-the-art overview of parasitic plants and their management in Africa. · Highly illustrated with photos, graphs and species distribution maps. · Reviews previous basic and applied work, with relevance to smallholder farming systems. This book will be a valuable reference for students, researchers, extension workers, development officers, national agriculture researchers, plant pathologists, food security specialists, weed scientists, agronomists and botanists.

      • Trusted Partner
        May 2021

        The Constituents of Medicinal Plants

        by Andrew Pengelly

        A classic in the literature of herbal medicine, this book explains in simple terms the commonly occurring chemical constituents of medicinal plants, and how these react with the human body. The major classes of plant constituents, such as phenols, terpenes and polysaccharides, are described both in terms of their chemical structures and their pharmacological activities.The last 20 years has seen huge growth in research output in phytochemistry, and this edition has been thoroughly revised to incorporate up-to-date research. It contains a new chapter on resins and cannabinoids, and additional content on macrocarpals, essential oil chemotypes, mushroom polysaccharides, phytochemical synergy, and toxicology of phytochemicals.Features include:· Over 200 diagrams of chemical structures· Coverage of energetics, synergism and the emerging field of network pharmacology· New content on seaweeds and fungi, and polyphenol-rich foods· References to primary research literature in pharmacy, pharmacology, chemistry, plant biology, molecular biology, integrative medicine and many other disciplinesWritten by an experienced herbal practitioner, The Constituents of Medicinal Plants has become a standard textbook for courses on plant-based medicine. It is also an essential desktop reference for health practitioners, lecturers, researchers, producers, and anyone with an interest in how medicinal herbs work. Table of contents 1: Introduction to Phytochemistry 2: Phenols 3: Polyphenols – tannins and flavonoids 4: Glycosides 5: Terpenes 6: Triterpenoids and saponins 7: Resins and cannabinoids 8: Essential oils 9: Polysaccharides 10: Alkaloids 11: Plant lipids and alklylamides

      • Trusted Partner
        September 2023

        Medicinal Plants used in Traditional Persian Medicine

        by Hartwig Schulz, Seyed Ahmad Emami, Farsad Nadjafi

        Medicinal plants and the natural products within them, still remain the starting point for breakthroughs in the development of safe, pharmacologically active synthetic molecules for use in a wide variety of clinical situations. Traditional Persian Medicine (TPM) is one of the most ancient medical doctrines, and is well-documented in terms of information about diseases, diagnoses and treatments, especially by the application of medicinal plants. TPM has been used for centuries worldwide, and many of these methods are still used in Iran today. This book introduces the basics of TPM, and describes the key medicinal plants which are used for the treatment of different diseases. It also creates possible new targets for research activities in drug discovery of natural products. The book is richly illustrated with coloured figures of historic drawings from old Persian pharmacopoeia and photos of plants in their natural habitats. References to Ayurvedic, Traditional Chinese Medicine and to monastic medicine in Europe are also made. Knowledge about medicinal plants used in TPM still exists in Iran, however, there is a risk that the detailed expertise provided by the older generation will be lost in the near future. It is therefore important that this cultural heritage of humanity is properly preserved. This book provides a valuable, evidence-based resource on TPM for researchers, practitioners and students in medicinal plants, ethnobotany and herbal medicine.

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        June 2024

        Genetics of Salt Tolerance in Plants

        a Central Dogma Perspective and Strategies for Enhancement

        by Showkat Ahmad Ganie, Shabir Hussain Wani

        Gene expression in cells follows a prescribed pathway that conforms to the Central Dogma; where the genetic information stored in DNA is transcribed into RNA and then expressed into proteins, which influences most plant traits. Plant salt tolerance research is directed towards identifying nucleotide variants that could contribute to tolerant phenotypes. This book comprehensively presents the current state of knowledge on plant salt tolerance through meticulous analysis of the processes operating across the Central Dogma. It provides a detailed account of modulation of gene expression through genome editing systems to achieve crop improvement against salt stress. It also provides state-of-the-art information on advances in breeding technologies of genome selection and accelerated de novo domestication for rapidly improving the salt tolerance of plants for global food security. This book: 1.Provides a comprehensive coverage of plant salt tolerance mechanisms. 2.Spotlights various factors functioning along the Central Dogma pathway and their regulation in response to salinity. 3.Examines how these factors function to protect the plants from high salinity. 4.Highlights advances in cutting-edge breeding technologies for improving salt tolerance. The book will be of particular value to students and researchers of plant genetics, molecular biology and physiology and those with an interest in salinity and salt tolerance.

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        Geography & the Environment
        October 2024

        History and Future of Plants, Planet and People

        Towards a New Ecologically Sustainable Age in People’s Relationships With Plants

        by Alan Hamilton, Pei Shengji

        This fascinating book presents the experiences and pooled knowledge of two very different conservation scientists; Pei Shengji from Sichuan, China and Alan Hamilton from London, UK. They have been drawn together over many years through working on some of the same conservation projects and have discovered that they overlap in their ideas about the sorts of work that needs to be done and how it can best be carried out. The book describes some of their own experiences, set within the contexts of their varied careers and the development of their thinking. Plant conservation is crucial to the preservation of natural ecosystems, but conventional approaches have met with only limited success. The authors have concluded that plant conservationists need social allies - elements of society that have other primary concerns, but whose efforts, if successful, will bring benefits to plant conservation too. It is the state and condition of plants on the ground that ultimately matter in conserving ecosystems, and therefore it is the role of local people who interact directly with them which enables success. Ethnobotany is a key skill required of practical plant conservationists. Its techniques enable them to explore connections between people and plants, learn about local perspectives and establish relationships with the people upon whom conservation and sustainable development relies. This book: recommends how to advance plant conservation, based on real experiences. will inspire more people to become involved in plant conservation. demonstrates how the very different backgrounds of the authors have influenced the courses of their careers, but have enabled them to come to very similar conclusions about conservation practice. demonstrates the importance of geographically-based biocultural diversity, as a counterbalancing force to globalisation.

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        Humanities & Social Sciences
        December 2017

        Selected Works of Culture and History in Hunan

        Volume 5

        by Hunan Research Institute of Culture and History

        The book is divided into several parts, such as the study of Hunan culture, historical stories, Hunan famous characters, folk customs, appreciation of scenery in Hunan, Hunan art and literature, etc., to show Hunan's history, culture and events from different perspectives. The book is supported with theories, historical materials, and also is of interest. It is of positive significance to the advancement of the research and development of Hunan culture.

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        1200 kinds of Succulent plants illustrated handbook

        by wang Yicheng

        This book is the most complete and widely used species of meat plants in China. It contains more than 1200 species, so that you can feast their eyes on it.      The shape features, the growth environment, the flowering period, the family and others are introduced, and all are classified and arranged in the shape characteristics of the flesh. There are nearly 10 beautiful and feshy pictures on each page, which is convenient for comparison.

      • Trusted Partner
        2021

        Botany and Pharmacognosy Workbook

        by Nadine Sprecher and Annette Thomas

        Dealing with medicinal plants and knowledge of their constituents and therapeutic effects is an ancient pharmaceutical skill. The associated treasure chest of knowledge is as deep and colourful as the world of plants itself. Just as varied and stimulating is the Botany and Pharmacognosy Workbook, in which the diverse and stimulating tasks are a real joy! The mission and passion of the authors is to impart, deepen and link knowledge in a fun way, with pharmacy practice always in mind. The workbook is intended as a supplement to the textbook Botany and Pharmacognosy for Pharmaceutical Technicians. However, it can also be used independently and guarantees fun for all prospective and active pharmaceutical technicians, returnees and pharmacy interns when learning and revising. For pharmaceutical technician schools and pharmacists, it offers valuable stimulation and support in education and training.

      • Trusted Partner
        June 2000

        Staat, Nation und Demokratie in Europa

        by Stein Rokkan, Elisabeth Fix, Paul Flora

        Im Mittelpunkt des Werks steht der Versuch, ein »Makromodell der politischen Entwicklung Europas« zu entwerfen. Das Ziel ist, die Vielgestalt Europas aus den unterschiedlichen historischen Prozessen der Staaten- und Nationenbildung und der Demokratisierung zu erklären. Flora fügt veröffentlichte und unveröffentlichte Schriften Rokkans zu einem konsistenten Ganzen zusammen und präsentiert mit dieser Ausgabe einen der wichtigsten Beiträge zum Verständnis des heutigen Europa und seiner zukünftigen Entwicklungsmöglichkeiten.

      • Trusted Partner
        June 1989

        Lieblose Legenden

        Mit Zeichnungen von Paul Flora

        by Wolfgang Hildesheimer, Paul Flora, Wolfgang Hildesheimer

        Wolfgang Hildesheimer wurde am 9. Dezember 1916 als Sohn jüdischer Eltern in Hamburg geboren und starb am 21. August 1991 in Poschiavo in der Schweiz. 1933 emigrierte er über England nach Palästina, wo er eine Schreinerlehre absolvierte. 1937 begann er an der Central School of Arts and Crafts (London) Malerei, Textilentwurf und Bühnenbildnerei zu studieren und nahm von London aus am Sommerkurs für Bühnenbild bei Emil Pirchan in Salzburg teil. Anfang 1939 gestaltete er in London am Tavistock Little Theatre sein erstes Bühnenbild. Nach dem Ausbruch des Zweiten Weltkriegs kehrte er nach Palästina zurück, arbeitete als Information Officer, war Englisch-Lehrer am British Institute und leitete zusammen mit einem Freund einige Zeit die Werbeagentur »HW«. Er beteiligte sich an Kunstausstellungen und veröffentlichte einige Gedichte, Essays und Kritiken. 1946 kehrte er nach London zurück, um Bühnenbildner zu werden, wurde aber für die Nürnberger Prozesse engagiert. Im Januar 1947 reiste er nach Nürnberg, dolmetschte für die amerikanische Besatzungsmacht und beteiligte sich wieder an Kunstausstellungen. 1949 zog er nach Ambach am Starnberger See, um als freier Maler und Grafiker zu arbeiten, schrieb im Januar 1950 aber eine Geschichte für Kinder – der Beginn seiner literarischen Karriere. Bereits 1951 wurde er zur Gruppe 47 eingeladen, 1955 erhielt er den Hörspielpreis der Kriegsblinden und im selben Jahr wurde zudem sein erstes Theaterstück von Gustav Gründgens uraufgeführt; ebenfalls in diesem Jahr begann er auch wieder zu malen. Nachdem er 1953 nach München gezogen war, übersiedelte er 1957 nach Poschiavo und widmete sich einer neuen Art von Theaterstücken, deren Besonderheiten er 1960 mit der Rede Über das absurde Theater fundierte. Anlässlich der Internationalen Theaterwoche der Studentenbühnen in Erlangen gehalten, sorgte diese für Aufsehen. Sein Prosabuch Tynset wurde 1966 mit dem Georg-Büchner-Preis und dem Bremer Literaturpreis ausgezeichnet. Sein Bestseller Mozart (1977) beeinflusste das Theaterstück und den Film Amadeus. Seit 1961 beteiligte er sich wieder an Ausstellungen, seit 1965 wurde sein bildkünstlerisches Werk in rund fünfzig Einzelausstellungen gezeigt. 1980 hielt Hildesheimer die Eröffnungsrede der Salzburger Festspiele Was sagt Musik aus. Neben seinen literarischen Werken verfertigte Hildesheimer auch Collagen, die er in mehreren Bänden sammelte. Spektakulär war 1984 seine Ankündigung, angesichts der drohenden Umweltkatastrophe nicht mehr zu schreiben, sondern zur bildenden Kunst zurückzukehren. Wolfgang Hildesheimer wurde am 9. Dezember 1916 als Sohn jüdischer Eltern in Hamburg geboren und starb am 21. August 1991 in Poschiavo in der Schweiz. 1933 emigrierte er über England nach Palästina, wo er eine Schreinerlehre absolvierte. 1937 begann er an der Central School of Arts and Crafts (London) Malerei, Textilentwurf und Bühnenbildnerei zu studieren und nahm von London aus am Sommerkurs für Bühnenbild bei Emil Pirchan in Salzburg teil. Anfang 1939 gestaltete er in London am Tavistock Little Theatre sein erstes Bühnenbild. Nach dem Ausbruch des Zweiten Weltkriegs kehrte er nach Palästina zurück, arbeitete als Information Officer, war Englisch-Lehrer am British Institute und leitete zusammen mit einem Freund einige Zeit die Werbeagentur »HW«. Er beteiligte sich an Kunstausstellungen und veröffentlichte einige Gedichte, Essays und Kritiken. 1946 kehrte er nach London zurück, um Bühnenbildner zu werden, wurde aber für die Nürnberger Prozesse engagiert. Im Januar 1947 reiste er nach Nürnberg, dolmetschte für die amerikanische Besatzungsmacht und beteiligte sich wieder an Kunstausstellungen. 1949 zog er nach Ambach am Starnberger See, um als freier Maler und Grafiker zu arbeiten, schrieb im Januar 1950 aber eine Geschichte für Kinder – der Beginn seiner literarischen Karriere. Bereits 1951 wurde er zur Gruppe 47 eingeladen, 1955 erhielt er den Hörspielpreis der Kriegsblinden und im selben Jahr wurde zudem sein erstes Theaterstück von Gustav Gründgens uraufgeführt; ebenfalls in diesem Jahr begann er auch wieder zu malen. Nachdem er 1953 nach München gezogen war, übersiedelte er 1957 nach Poschiavo und widmete sich einer neuen Art von Theaterstücken, deren Besonderheiten er 1960 mit der Rede Über das absurde Theater fundierte. Anlässlich der Internationalen Theaterwoche der Studentenbühnen in Erlangen gehalten, sorgte diese für Aufsehen. Sein Prosabuch Tynset wurde 1966 mit dem Georg-Büchner-Preis und dem Bremer Literaturpreis ausgezeichnet. Sein Bestseller Mozart (1977) beeinflusste das Theaterstück und den Film Amadeus. Seit 1961 beteiligte er sich wieder an Ausstellungen, seit 1965 wurde sein bildkünstlerisches Werk in rund fünfzig Einzelausstellungen gezeigt. 1980 hielt Hildesheimer die Eröffnungsrede der Salzburger Festspiele Was sagt Musik aus. Neben seinen literarischen Werken verfertigte Hildesheimer auch Collagen, die er in mehreren Bänden sammelte. Spektakulär war 1984 seine Ankündigung, angesichts der drohenden Umweltkatastrophe nicht mehr zu schreiben, sondern zur bildenden Kunst zurückzukehren.

      • Trusted Partner
        May 2023

        Fungal Plant Pathogens

        by Charles R Lane, Paul Beales, Kelvin J D Hughes

        Covering the key techniques used when working with fungal plant pathogens, this practical manual deals with recognition of disease symptoms, detection and identification of fungi and methods to characterise them well as curation, quarantine and quality assurance. This new edition includes updates with respect to: Greater awareness and concern internationally about plant health and biosecurity Molecular biology - next generation sequencing and in field detection Improved opportunities for surveillance and detection in substrates, such as remote sensing Changes in taxonomy and reference to more current fungal plant pathogens New chapters on tree health, and public awareness, outreach and communications Fungal Plant Pathogens 2nd edition provides a valuable guide to investigating fungal plant diseases and interpreting laboratory findings for postgraduate and advanced undergraduate students, extension plant pathologists, consultants and advisers in agriculture and horticulture and the food supply chain.

      • Trusted Partner
        June 2024

        Plant Nematology

        by Roland N Perry, Maurice Moens, John T Jones

        Plant-parasitic nematodes are a major threat to crop production in all countries, and identification of nematodes and knowledge of their biology is of paramount importance. Providing a broad introduction to nematodes as plant parasites, this book begins by describing nematodes by genera, and then builds on this foundation to detail nematode biology and pest management, including resistance, and biological and chemical control. This 3rd edition is updated to address advances in our knowledge of plant-parasitic nematodes, particularly concerning the molecular aspects of host-parasite relationships, including the application of genomics to nematode biology. Changes in control and management strategies are also covered. The influence of climate change on plant-parasitic nematodes is addressed in a new chapter on ecology. Primarily aimed at students (MSc and PhD), this book is also invaluable for researchers and lecturers in nematology, plant pathology and parasitology, advisory and quarantine services, and crop protection scientists.

      • Trusted Partner
        1993

        Bogart

        Der coole Kater. (rororo tomate)

        by Plant, Peter

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