¿Es mejor, y se administra mejor, un bosque con 1 000 especies que un bosque con 500 especies? Este número de Unasylva trata de cuestiones relacionadas con la diversidad biológica forestal y su conservación y uso sostenible. Una de las conclusiones básicas es que los números no son lo único que importa.
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Showing items 1 through 9 of 29.-
Library ResourceJournal Articles & BooksDecember, 2002Estonia, Kenya, Israel, China, Indonesia, Australia, Ireland, Ghana, Congo, Venezuela, Guinea, Guyana, Colombia, Nepal, Uganda, Tanzania, Portugal, India, Senegal, Brazil
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Library ResourceJournal Articles & BooksDecember, 2002Italy
The FAO Forestry Department promotes, among others, the responsible use of wood as an environmentally friendly raw material. In the last decades, wood and wood-based products have been faced with stronger competition from substitute materials, such as plastics, concrete, steel, glass or aluminium, as these materials appear to offer wider options to the customers. Some of the factors that can influence customers' decisions on what kind of end products to acquire include marketing efforts, product prices, quality, durability and image.
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Library ResourceJournal Articles & BooksDecember, 2002Indonesia, Finland, Armenia, United States of America
La Evaluacin de los recursos forestales mundiales 2000 (ERF 2000) ha concluido, pero ya han empezado los trabajos para la prxima evaluacin mundial. La consulta de expertos sobre Evaluaciones de recursos forestales mundiales - Conjuncin de esfuerzos nacionales e internacionales, conocida como Kotka IV, reuni a expertos internacionales en julio de 2002 para considerar ideas y estrategias para el futuro. Los artculos de este nmero de Unasylva son adaptaciones para un pblico ms amplio de documentos preparados para la reunin.
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Library ResourceJournal Articles & BooksDecember, 2002Finland, United States of America
L'Evaluation des ressources forestires mondiales 2000 (ERF 2000) est prsent acheve, mais les travaux relatifs la suivante ont dj commenc. La consultation d'experts Evaluation des ressources forestires mondiales - harmoniser les efforts nationaux et internationaux, connue sous le nom de Kotka IV, a rassembl, en juillet 2002, des experts internationaux pour examiner les concepts et les stratgies futurs. Les articles de ce numro d'Unasylva ont t adapts pour un plus large public, partir de documents prpars pour la Consultation.
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Library ResourceJournal Articles & BooksDecember, 2002Kenya, Switzerland, United States of America, Uganda, Australia, Denmark, Italy, Tanzania, Poland, United Kingdom, Ghana, India, Finland, Indonesia, New Zealand
Is a forest with 1 000 species better, and managed better, than a forest with 500 species? This issue of Unasylva looks at issues related to forest biological diversity and its conservation and sustainable use. One of the key messages is that numbers are not the only issue.
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Library ResourceJournal Articles & BooksDecember, 2002France, Cuba, Albania, Australia, Brazil, Italy
The recently released Forest Resources Assessment 2000 (FRA 2000) was based on an intensive, five-year effort carried out by FAO in cooperation with national forestry agencies from nearly every country of the world, a large number of research centres and academic institutions, and a number of international, regional and non-governmental organizations.
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Library ResourceReports & ResearchDecember, 2002Australia, Italy
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Library ResourceJournal Articles & BooksDecember, 2002Costa Rica, Guatemala, Philippines
Ce manuel de terrain contient les définitions et les procédés utilisés pour planifier et réaliser un inventaire national des ressources forestières, suivant l’approche développée par le Département des forêts de la FAO dans le cadre du programme d’Évaluation des ressources forestières (FRA). La méthodologie repose sur un échantillonnage du pays et utilise des placettes permanentes de terrain. L’approche a été testée et mise en œuvre dans plusieurs pays depuis 2000 (Costa Rica, Guatemala, Philippines, Cameroun et Liban).
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Library ResourceJournal Articles & BooksDecember, 2002Burkina Faso, United States of America, Kenya, Guatemala, Sri Lanka, Ireland, Canada, Congo, Costa Rica, France, Mozambique, Uganda, Belize, Madagascar, Tanzania, Portugal, Brazil, Ghana
Une forêt qui renferme 1 000 espèces est-elle meilleure et mieux gérée qu'une forêt qui ne contient que 500 espèces? Unasylva consacre son numéro à la diversité biologique des forêts et à sa conservation et sa gestion durable. L'un des points cardinaux de son message est que le nombre n'est pas le seul critère d'évaluation.
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Library ResourceJournal Articles & BooksDecember, 2002United States of America, Sweden, Chile, China, Australia, United Kingdom, Canada, Republic of Korea, Holy See, New Zealand, Cyprus, Japan, Nicaragua, Turkey, Italy, Portugal, Brazil, Argentina, India, Paraguay, Norway
Temperate broad-leaved trees grow in different ecosystems in the northern and southern hemispheres, but are also found extensively in many tropical and subtropical mountain areas. A wide range of non-wood forest products derived from temperate broad-leaved trees, and their description is organized in this volume according to the part of the tree from which they are obtained (whole tree, foliage, flowers, etc.).
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