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Download or read book Ecologi de Paisajes written by Jorge Morello and published by Editorial Facultad de Agronomia. This book was released on 2001 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Semiotic Sphere written by Thomas A. Sebeok and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although semiotics has, in one guise or another, ftourished uninterruptedly since pre Socratic times in the West, and important semiotic themes have emerged and devel oped independently in both the Brahmanie and Buddhistic traditions, semiotics as an organized undertaking began to 100m only in the 1960s. Workshops materialized, with a perhaps surprising spontaneity, over much ofEurope-Eastern and Western and in North America. Thereafter, others quickly surfaced almost everywhere over the litera te globe. Different places strategically allied themselves with different lega eies, but all had a common thrust: to aim at a general theory of signs, by way of a description of different sign systems, their comparative analysis, and their classifi cation. More or less permanent confederations were forged with the most diverse academic disciplines, and amazingly varied frameworks were devised-suited to the needs of the times and the sites-to carry the work of consolidation forward. Bit by bit, mutually supportive international networks were put together. Today, it can truly be asserted that semiotics has become a global enterprise. This, of course, is far from saying that the map is uniform or even that world-wide homogeneity is in the least desirable. While our conjoint ultimate goal remains steadily in focus, the multiplicity of avenues available for its realization is inherent in the advent ure of the search itself.
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Download or read book VOLUNTARY GUIDELINES ON NATIONAL FOREST MONITORING written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2018-06-27 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: National information needs on forests have grown considerably in recent years, evolving from forest area and growing stock information to key aspects of sustainable forest management, such as the role of forests in the conservation of biodiversity and the provision of other ecosystem services. More recently, information on changes in carbon stocks, socio-economic aspects including the contribution to livelihoods and poverty reduction, governance and broader land use issues has become critical for national planning.
Download or read book Plant Conservation and Biodiversity written by David L. Hawksworth and published by Springer Science & Business Media. This book was released on 2007-09-18 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: Original studies address key aspects of the conservation and biodiversity of plants. Articles are all peer-reviewed primary research papers, contributed by leading biodiversity researchers from around the world. Collectively, these articles provide a snapshot of the major issues and activities in global plant conservation. Many of the articles can serve as excellent case studies for courses in ecology, restoration, biodiversity, and conservation.
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Download or read book Soil Water Repellency written by C.J. Ritsema and published by Elsevier. This book was released on 2012-12-02 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: It has become clear that soil water repellency is much more wide-spread than formerly thought. Water repellency has been reported in most continents of the world for varying land uses and climatic conditions. Soil water repellency often leads to severe runoff and erosion, rapid leaching of surface-applied agrichemicals, and losses of water and nutrient availability for crops. At present, no optimum management strategies exist for water repellent soils, focusing on minimizing environmental risks while maintaining crop production. The book starts with a historical overview of water repellency research, followed by seven thematic sections covering 26 research chapters. The first section discusses the origin, the second the assessment, and the third the occurrence and hydrological implications of soil water repellency. The fourth section is devoted to the effect of fire on water repellency, section five deals with the physics and modeling of flow and transport in water repellent soils, section six presents amelioration techniques and farming strategies to combat soil water repellency, and section seven concludes the book with an extensive bibliography on soil water repellency.
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