Directrices voluntarias para la conservación a nivel nacional de especies silvestres afines a las plantas cultivadas y plantas silvestres comestibles PDF Download
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Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9251300410
Category : Technology & Engineering
Languages : en
Pages : 110
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Book Description
Los parientes silvestres de cultivos son posibles fuentes de caracteres deseables para la obtención de variedades bien adaptadas, mientras que las plantas silvestres comestibles son componentes importantes de la dieta de muchas personas en todo el mundo. Lamentablemente, sus hábitats silvestres naturales están cada vez más amenazados por las actividades humanas y las catástrofes naturales. La pérdida de hábitat repercute de manera directa y negativa en la diversidad de estos valiosos recursos. Las presentes directrices, concebidas como material de referencia para la elaboración de un Plan nacional para la conservación y el uso sostenible de parientes silvestres de cultivos y plantas silvestres comestibles, contribuirán a frenar esta continua pérdida de diversidad. Las directrices son, por consiguiente, un instrumento útil para profesionales del desarrollo, investigadores, estudiantes y responsables de la formulación de políticas que trabajan en la conservación y el uso sostenible de estos valiosos recursos.
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9251300410
Category : Technology & Engineering
Languages : en
Pages : 110
Get Book Here
Book Description
Los parientes silvestres de cultivos son posibles fuentes de caracteres deseables para la obtención de variedades bien adaptadas, mientras que las plantas silvestres comestibles son componentes importantes de la dieta de muchas personas en todo el mundo. Lamentablemente, sus hábitats silvestres naturales están cada vez más amenazados por las actividades humanas y las catástrofes naturales. La pérdida de hábitat repercute de manera directa y negativa en la diversidad de estos valiosos recursos. Las presentes directrices, concebidas como material de referencia para la elaboración de un Plan nacional para la conservación y el uso sostenible de parientes silvestres de cultivos y plantas silvestres comestibles, contribuirán a frenar esta continua pérdida de diversidad. Las directrices son, por consiguiente, un instrumento útil para profesionales del desarrollo, investigadores, estudiantes y responsables de la formulación de políticas que trabajan en la conservación y el uso sostenible de estos valiosos recursos.
Author: Jordi Mestre i Vergés
Publisher:
ISBN: 9788497040891
Category : Photography
Languages : es
Pages : 118
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Book Description
El título de esta obra sugiere dos conceptos. La identificación para conocer concretamente ante cuál de los múltiples procedimientos que englobamos bajo el nombre de fotografía nos encontramos, ya que no es lo mismo un daguerrotipo que un platinotipo, una diapositiva o un archivo digital. Cada procedimiento requerirá de condiciones distintas si pretendemos legara las futuras generaciones este patrimonio tan valioso y tan frágil. Este es el sentido de la conservación. Para responder a los retos de identificar y conservar en buenas condiciones nuestro patrimonio fotográfico debemos tener presente tanto la historia como los materiales que soportan las imágenes, para así ser capaces de proporcionar las condiciones adecuadas a cada caso y saber qué problemas son los que podemos esperar y ser capaces de corregir. La fotografía digital, a la vez que abre enormes perspectivas, supone un nuevo reto que se debe gestionar con conocimiento si queremos que favorezca la conservación.
Author:
Publisher: IICA
ISBN:
Category :
Languages : en
Pages : 242
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 264
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Book Description
Author:
Publisher:
ISBN:
Category : Archival materials
Languages : en
Pages : 490
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Book Description
Author: Roy Vontobel
Publisher: Routledge
ISBN:
Category : Architecture
Languages : en
Pages : 492
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Book Description
V. 1-2 reproduced on CD-ROM.
Author: Chris D. Jiggins
Publisher:
ISBN:
Category : Forest conservation
Languages : en
Pages : 146
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Book Description
Scientific report of biological surveys in tropical forest.
Author: Sagrario Berti
Publisher:
ISBN: 9789807780568
Category : Illustration of books
Languages : en
Pages : 560
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Book Description
Printed Photography in Venezuela provides a comprehensive inventory of photographically illustrated books published in Venezuela from 1945 to 2017. The research attempts to trace the history of the illustrated book with photographs examining the relationship between photography, literature, graphic design and editing; that is the coexistence of these disciplines in books. The book is structured according to thematic continuities, temporal synchronicities and similar editorial purposes, and has been organized in two sections. In the first one it examines books financed by the State and by oil companies. The threads of the printed works published since the 1950s, clearly reflect the government of the president in office and represent an idea of a "prosperous" nation, as happens with El Farol magazine, sponsored by Creole Petroleum Corporation. Those publications in the democratic period (1958) represent "social welfare" and describe the contradictions of progress and modernity in Caracas; while those printed during the last three five-year periods disseminate and extol national identities related to the Socialist Revolution. In this section the main thematic axes of the editorial production format the proposals adjusted to the model of the coffee table book. From the coffee table book, it traces the social life of illustrated books with photography, their cultural trajectory and resocialization in different contexts. To outline this itinerary, we have described its morphology, uses and functions, considering the institution or editors that printed them and for what purpose. When dealing with corporate gifts (non-venal editions), we examine in its value regime as a symbolic object, as well as in the re-stylization of contents through shapes or graphic elements. Coffee table books are transportable cultural objects, which not only cross territories as souvenirs, but also occupy domestic spaces and are intended for second-hand trade or for collecting. Also, in this first section, the book explores the local-national documentary photographic tendency present in books about nature, fauna, indigenous communities or the lives of inhabitants of rural areas. In the second part of the book are interpreted the authorial discourses whose contents and formulations are associated with Luis Camnitzer's ideas on Latin American conceptualism, in the sense that they are illustrated books whose "aesthetic expresses a concern for reality, rather than for abstraction". Prints, pamphlets or books where politics is used as a theme to create artistic forms. Thus, for example, it can be seen that some of these printed devices -those edited by the El Techo de la Ballena (1961-1969) collective, for instance- are conceptualist resources used by some authors to agitate and occasionally denounce the socio-political and cultural contradictions of the country in the 60's. On the other hand, it analyzes the discursive continuities authors-photographers who register or explore reality in an analytical way, ordering it by means of sequences or systematizing it in autonomous art forms, in catalogs, for instance. In the selected books, the photography dialogues with other narrative resources: graphic design and literature configuring pre-existing texts, usually poetic and, in some cases, representing political issues or social themes. Occasionally, photography is used to certify statistics for their indicial quality, to evoke past or restilize realities through graphic design medium: different types of paper, typographic fonts or printing techniques. In summary: this publication seeks to clarify the directionality of meaning proposed in illustrated books with photography, coffee table books, magazines, brochures, catalogues, posters and photobooks. With this purpose, the book explores subjects through of political, social, artistic ideologies, and also ideas of nation embodied in the corporate or authorial initiatives that shaped them. Printed Photography in Venezuela presents in short, a transversal and multiple reading that points to the assessment of the work as a whole and to make visible and make the book tangible.
Author:
Publisher:
ISBN:
Category : International librarianship
Languages : en
Pages : 360
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Book Description
Author:
Publisher:
ISBN:
Category : Archival materials
Languages : es
Pages : 752
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Book Description
