Libros de Estudios generales de botánica, página 2 de 81

En la búsqueda del placer por el conocimiento y la belleza, el arte de la ilustración botánica siempre ha requerido una meticulosa técnica de delineado y una rigurosa comprensión científica. Esta nueva edicion, que incluye nuevas imagenes, repasa toda la tradicion botanica y sus talentos, con una seleccion de las mejores obras de la Biblioteca Nacional de Viena. Desde manuscritos bizantinos hasta obras maestras del siglo XIX, a traves de peonias, lirios y crisantemos, estas exquisitas reproducciones deslumbran por su precision y su estetica. Sea con hojas cuidadosamente enrolladas, texturas de frutas dibujadas con precision o la belleza pura y la variedad de los colores, esta forma de arte es tan delicada como precisa, e incluso despierta nuestra conciencia sobre el entorno ecologico y sobre la preciosa flora natural tan amenazada.

Nesta obra recóllense a evolución histórica do monte en Galicia, desde a Antiguedade ata o presente, facendo fincapé na especial significación que tivo no desenvolvemento territorial do País. Este percorrido temporal amósase imprescindible para comprender a relevancia que o monte e o sector forestal posúen na actualidade galega.

This long awaited monograph deals with the fascinating group of plants known as geraniums or cranesbills. It is restricted to the plants covered by the scientific name Geranium, but does not include those plants known in English as geranium which botanists have transferred to the genus Pelargonium. The book is the result of 28 years of research by the author. It is lavishly illustrated with maps, line drawings and photographs. There is a gap in the available botanical literatura covering the geraniums. The last monographic treatment by Reinhard Knuth appeared in 1912. In the intervening years, much taxonomic information has been accumulated, rendering this massive and comprehensive work out of date. There have been many new species discoveries and much research has been conducted for revisional works. All these changes have caused much confussion to the outsider, making the need for a comprehensive monograph even more pressing. For each of the 307 species covered in this book, complete synonymy and detailed description is given, as well as its distribution, relationships, variability and taxonomic history are discussed. Each species is provided with a map showing its known distribution based on specimens examined by the author, and is illustrated with line drawings and, if available, with colour photographs based on reliable specimens. Some introductory sections explain in detail the morphological structure of these plants, chromosome numbers, breeding system, phytochemistry, distribution, habitats and relationships. For practical reasons and to facilitate the identification of the species, four identification keys have been prepared that cover respectively North and Central America, South America, the Pacific area and the Old World species. This book will be of value to botanists, but also for specialists hobbyists and to anyone fascinated by these plants.

Agronomic crops have been used to provide foods, beverages, fodders, fuels, medicines and industrial raw materials since the dawn of human civilization. Today, agronomic crops are being cultivated by employing scientific methods instead of traditional methods. However, in the current era of climate change, agronomic crops are subjected to various environmental stresses, which results in substantial yield loss. To meet the food demands of the ever-increasing global population, new technologies and management practices are being adopted to boost yield and maintain productivity under both normal and adverse conditions. Scientists are now exploring a variety of approaches to the sustainable production of agronomic crops, including varietal development, soil management, nutrient and water management, pest management, etc. Researchers have also made remarkable progress in developing stress tolerance in crops through different approaches. However, achieving optimal production to meet the increasing food demand is an open challenge. Although there have been numerous publications on the above-mentioned problems, and despite the extensive research being conducted on them, there is hardly any comprehensive book available. In response, this book offers a timely resource, addressing all aspects of production technologies, management practices and stress tolerance in agronomic crops in a single volume.

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PER DESCOBRIR COM ES COMUNIQUEN LES PLANTES I ELS ANIMALS, COM INTERCANVIEN INFORMACIÓ, QUI HO FA I PER QUÈ Si algú pensa que al bosc regna el silenci és perquè no hi ha parat mai l'orella! Els anim

ALEGATO POR EL áRBOL es un libro del autor VAVILOV, NIKOLAI editado por LIBROS DEL JATA, S.L.. ALEGATO POR EL áRBOL tiene un código de ISBN 978-84-16443-10-9 y consta de 336 Páginas.