Interciencia articles from August 2006

Interciencia archives from August 2006

"Mision Ciencia" and international cooperation/Mision Ciencia y cooperacion internacional/Missao Ciencia e cooperacao internacional.(EDITORIAL)(Editorial)
August 1, 2006... Under the name of >, (Science Mission) the Venezuelan government has launched ah extraordinary process of incorporation and massive articulation of social and institutional actors through economic, social, academic and political networks, for...

Agro-ecological zoning of agroforestry systems: the case coffee (Coffea arabica L.)--parlor palm (Chamaedorea elegans Mart.)/Zonificacion agroecologica de sistemas agroforestales: el caso cafe (Coffea arabica L.)--palma camedor (Chamaedorea elegans Mart.)/Zonificacao agroecologica de sistemas agroforestais: o caso cafeeiro (Coffea arabica L.)--palmeira camedor (Chamaedora elegans Mart.).
August 1, 2006... SUMMARY In view of the deterioration of the natural resources in tropical areas, agroforestry systems have been identified as land management techniques that allow for a more sustainable production. On the other hand, methods of...

AFLP (amplified fragment length polymorphism) and its application in aquaculture/AFLP (amplified fragment length polymorphism) y su aplicacion en acuicultura/AFLP (amplified fragment length polymorphism) e sua aplicacacao em aquicultura.
August 1, 2006... SUMMARY Aquaculture, as a growing economical activity, requires the employment of techniques and strategies that permit to solve problems in order to be efficient. Regarding genetic improvement of aquatic species, a meticulous selection of...

Knowledge society and strategic management: an integrative proposal/Sociedad del conocimiento y direccion estrategica: una propuesta integradora/Sociedade do conhecimento e direcao estrategica: uma proposta integradora.
August 1, 2006... SUMMARY This paper reviews basic aspects of the knowledge society and establishes a relationship between the requirements arising in this society and strategic management. A theoretical discussion describes the main characteristics of the...

Leadership and strategic decisions: an integrative pespective/Liderazgo y decisiones estrategicas: una perspectiva integradora/Lideranca e decisoes estrategicas: uma perspectiva integradora.
August 1, 2006... SUMMARY This paper consists of a theoretical review and the construction, through analytic induction, of a model that establishes structural relations between leadership styles, the strategic decision-making process and efficacy of an...

Biodiversity: inference about richness and Shannon index/Biodiversidad: inferencia basada en el indice de Shannon y la riqueza/Biodiversidade: inferencia baseada no indice de Shannon e a riqueza.
August 1, 2006... SUMMARY Point estimators and confidence intervals for richness and Shannon index are described and applied to a vegetation example and a bird inventory survey. Results of various techniques are compared based on original simulation...

Microcrustacean biomass estimation in continental aquatic environments/Avaliacao da biomassa de microcrustaceos em ambientes aquaticos continentais/Evaluacion de la biomasa de microcrustaceos en ambientes acuaticos continentales.
August 1, 2006... SUMMARY There are several methodologies for biomass estimation. The most common for microcrustacean zooplanktonic biomass determination are based on linear regression equations relating individual dry weight and length. Almost 75% of the...

Aplicabilidad del enfoque de conjuntos borrosos a la clasificacion de suelos de la depresion del lago de Valencia, Venezuela.(REPORTS/COMUNICACIONES/COMUNICACOES)
August 1, 2006... SUMMARY Conventional soil classifications produce discrete groups with sharp boundaries, but soil variation is continuous. The fuzzy set theory offers an opportunity to overcome this limitation, expressing the degree of membership of each...

¿Como se distribuyen las raices en los bosques inundables de Salix humboldtiana y Tessaria integrifolia del bajo parana?(REPORTS/COMUNICACIONES/COMUNICACOES)
August 1, 2006... SUMMARY The riverine forests dominated by Salix humboldtiana Willd. and Tessaria integrifolia Ruiz et Pav. grow in silt and sand deposited in bars and the Parana River floodplain. In contrast with terrestrial ecosystems, the soil of the...

Soil macrofauna of two successional evergreen cloud forest stages from the cerro huitepec nature reserve, San Cristobal de las Casas, Chiapas, Mexico.(REPORTS/COMUNICACIONES/COMUNICACOES)
August 1, 2006... SUMMARY The soil macrofauna composition was studied in two successional evergreen cloud forest stages. One of them had an intensive forestal usage 17 years ago; and it has a canopy height 5cm DBH. The other oue was a non managed area, with...

Cultivo in vitro de patrones de citricos tolerantes al virus de la tristeza, empleando sustratos inertes alternativos al agar.(REPORTS/COMUNICACIONES/COMUNICACOES)
August 1, 2006... SUMMARY Effects of the substrates agrolite, vermiculite, tezontle as substitutes for agar were evaluated on seed germination, shoot proliferation, rooting, and survival of the seedlings of the citrus 'tristeza' virus (CTV) tolerant...

Reuniones venideras/forthcoming events/proximas reunioes.(Ilustración)
August 1, 2006... REUNIONES VENIDERAS / FORTHCOMING EVENTS / PROXIMAS REUNIOES REUNION/EVENT LUGAR/LOCATION FECHA/DATE III CONGRESO NACIONAL Villahermosa, 11 al 15 septiembre DE ANONACEAS Tabasco,...