Interciencia articles from November 2006

Interciencia archives from November 2006

Science and technology framework program for MERCOSUR/Programa Marco de ciencia, tecnologia e innovacion para MERCOSUR/ Programa Marco da Ciencia, tecnologia e inovacao para MERCOSUL.(EDITORIAL)(Editorial)
November 1, 2006... The integration process is one of the outstanding aspects among the economic, political and social changes that have been taking place in Latin American and Caribbean countries. The countries of the Common Market of the South, MERCOSUR, have...

Mesoclimatic homogeneity of some life zones in Venezuela/Homogeneidad mesoclimatica de algunas zonas de vida de Venezuela/Homogeneidade mesoclimatica de algumas zonas de vida da Venezuela.
November 1, 2006... SUMMARY With the purpose of analyzing the mesoclimatic homogeneity in Venezuela the Index of Multiple Homogeneity was used (IMH). Mesoclimatic types were grouped considering the characteristics of their life zones. The work was based on...

Removal of biological nutrients by means of a sequencial batch reactor/Remocion de nutrientes en un reactor discontinuo secuencial/Remocao de nutrientes em um reator descontinuo sequencial.
November 1, 2006... SUMMARY The high concentration of nutrients in non-treated effluents may have negative effects on water bodies where they are poured, as they stimulate the growth of algae and plants, and interfere with the beneficial uses of the hydraulic...

Aboveground productivity and nutrient cycle in Pinus taeda L. plantations in the North of the Misiones province, Argentina/Productividad aerea y ciclo de nutrientes en plantaciones de Pinus taeda L. en el norte de la provincia de Misiones, Argentina/Produtividade aerea y ciclo de nutrientes em plantacoes de Pinus taeda L. no Norte da provincia de Misiones, Argentina.
November 1, 2006... Summary Aboveground net primary productivity (ANPP), nutrtent cycling and nutrient use efficiency (NUE) were estimated for three 20 years-old Pinus taeda L. experimental plantations in the north of the Misiones province, Argentina. ANPP...

Estimate of internal variability of population samples by means of principal component analysis/Estimacion de la variabilidad interna de muestras poblacionales, mediante analisis de componentes principales/Estimacao da variabilidade interna de amostras populacionais, mediante analise de componentes principais.
November 1, 2006... SUMMARY A new formula is proposed in order to describe the internal variability of groups or populations using m variables with only one value. This formula is based on principal component analysis (PCA), as this analysis reduces the...

Solanaceae composition, pollination and seed dispersal syndromes in neotropical mountain cloud forest/Composicao floristica de Solanaceae e suas sindromes de polinizacao e dispersao de sementes em florestas mesofilas neotropicais/Composicion floristica de Solanaceae y sus sindromes de polinazacion y dispersion de semillas en bosques mesofilos neotropicales.
November 1, 2006... SUMMARY In general, it is widely accepted that polination and seed dispersal syndromes are fundamental to understand colonization and regeneration of ecosystems. This paper analyzed the floristic composition of Solanacea and their...

Aplicacion del Indice de Homogeneidad Multiple a datos climatologicos de Venezuela.(COMUNICACIONES REPORTS COMUNICACOES)
November 1, 2006... SUMMARY The Index of Multiple Homogeneity (IMH) measures the spatial and temporal homogeneity according to the exchange of matter, energy and information within and between the systems and the surrounding atmosphere. The purpose of this...

Estructura y composicion floristica de comunidades secundarias en patios de rolas abandonados, estacion experimental Caparo, barinas, Venezuela.(COMUNICACIONES REPORTS COMUNICACOES)
November 1, 2006... SUMMARY The log landing are small sectors where boles are temporarily stored in logging operations. In those areas the original forest is eliminated and, after abandoned, a forest succession is developed. The objective of this work was to...

Forthcoming events / Reuniones venideras / Proximas reunioes.(Calendario)(Ilustración)
November 1, 2006... REUNIONES VENIDERAS / FORTHCOMING EVENTS / PROXIMAS REUNIOES REUNION / EVENT LUGAR / LOCATION FECHA / DATE VII CONGRESO DE CIENCIAS La Habana, Cuba 4 al 8 de DEL MAR: MarCuba 2006 ...