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Esta obra es producto del trabajo de un conjunto de profesionales e investigadores que se han destacado en los últimos años por su interés y función sobre asuntos relacionados con la implementación de la herramienta de pago por servicios ambientales (PSA) en países como Colombia, Ecuador y Costa Rica. Propone una mirada reflexiva y comparada sobre uno de los problemas claves que vive nuestro mundo: el acceso al agua, y sobre los mecanismos que pueden coadyuvar a garantizar este derecho fundamental y la protección de los ecosistemas que están inmersos en la función natural. El contenido se puede clasificar en dos grandes partes. La primera presenta un panorama histórico jurídico-no...
This book presents current research in the study of the ecology, types and management of oak. Topics discussed include oak wood characterisation with regard to chemical, physical and mechanical wood properties; the diversification of cork oak; the use of oak wood in the manufacture of barrels for preparing and aging wines; oaks and mycorrhizal fungi and the physico-chemical characterisation and microbial adhesion of oak wood with other wood species.
Allelochemicals play a great role in managed and natural ecosystems. Apart from plant growth, allelochemicals also may influence nutrient dynamics, mycorrhizae, soil chemical characteristics, and microbial ecology. Synergistic action of various factors may better explain plant growth and distribution in natural systems. The book emphasizes the role of allelochemicals in shaping the structure of plant communities in a broader ecological perspective. The book addresses the following questions: (1) How do allelochemicals influence different components of the ecosystem in terms of shaping community structure? (2) Why is it difficult to demonstrate interference by allelochemicals (i.e., allelopathy) in a natural system in its entirety? Despite a large amount of existing literature on allelopathy, why are ecologists still skeptical about the existence of allelopathy in nature? (3) Why are there only scarce data on aquatic ecosystems? (4) What role do allelochemicals play in microbial ecology?.....
Food chemistry is the study of chemical processes and interactions of all biological and non-biological components of foods. The biological substances include such items as meat, poultry, lettuce, beer, and milk as examples. It is similar to biochemistry in its main components such as carbohydrates, lipids, and protein, but it also includes areas such as water, vitamins, minerals, enzymes, food additives, flavours, and colours. This discipline also encompasses how products change under certain food processing techniques and ways either to enhance or to prevent them from happening. An example of enhancing a process would be to encourage fermentation of dairy products with lactic acid; an example of a preventing process would be stopping the Maillard reaction on the surface of freshly cut Red Delicious apples whether by hand or mechanical methods. This book presents the recent research from around the world in this field.
Architects reveal the keys to Architecture in their drawings, their floor plans, sections and also in their writings. It is important to appreciate the concise texts of Mies Van der Rohe or the more passionate expressions of Le Corbusier. And that is how I would like these texts, published here today, to be understood. Alberto Campo Baeza (born Valladolid, Spain, 1946) is one of the most important architects of the modern period. The Built Idea presents a series of seminal texts in which he conveys his most deeply-held architectural ideas and convictions, exploring and explaining his foundational influences and subjects such as the importance of light, the work of his contemporaries, and the...
In recent years, "memory" has become a central and controversial concept in historical studies. It is a term that denotes a new and distinctive field of study and a fresh way of conceptualizing history as a more general field of inquiry. This book provides historians with an accessible and stimulating introduction to debates and theories about memory and approaches to the study of it in history and other disciplines. The book explores the relationships between the individual and the collective, between memory as survival and memory as reconstruction, between remembering as a subjective experience and as a social or cultural practice, and between memory and history as modes of retrospective knowledge.
A young New York lawyer receives two rings for her birthday--one from her fianc and one that leads her on a fantastic search for a Templar treasure.