May 2011

Volume 36 Issue 05

/Editorial/

Mayra de la Torre, Mahabir Gupta and Jean Louis Schwartz

BIONNA – FOSTERING BIOINNOVATIONS IN THE AMERICAS

322
 /Articles/

Carlos Verea and Alecio Solórzano

AVIFAUNA ASSOCIATED TO A MOSSY UNDERSTORY IN GUACAMAYA PEAK, HENRI PITTIER NATIONAL PARK, NORTHERN VENEZUELA (in Spanish)

324

Elizabeth Olivares, Guillermina Aguiar and Giuseppe Colonnello

RARE EARTH ELEMENTS IN VASCULAR PLANTS. A REVIEW (in Spanish)

331

Jaime Requena

DECAY OF TECHNOLOGICAL RESEARCH AND DEVELOPMENT IN VENEZUELA (in English)

341

María Alejandra Quintero M, Mauricio Jerez and Magdiel Ablan

EVALUATION OF THREE HEURISTIC ALGORITHMS TO SOLVE A FOREST HARVEST PLANNING MODEL IN IDUSTRIAL FOREST PLANTATIONS (in Spanish)

348

Bryan Manuel Julca-Briceño and Marcos Fava Neves

CHARACTERIZATION OF AGROINDUSTRIAL SYSTEMS: A COMPARATIVE STUDY OF THE SUCRO-ENERGETIC SECTORS OF BRASIL AND COLOMBIA (in Spanish)

356
/Reports/

Ernesto Davidson, Jacobo Reyes, Delfín Moronta and Rosalba Sciamanna

ELECTRONICS SPIN RESONANCE STUDIES OF GAMMA-IRRADIATED PS/PP (80/20) BLENDS WITH 2.5wt% SBS, AFTER FIVE YEARS OF STORAGE IN AIR (in English)

365

María Corina Pineda, Graciano Elizalde and Jesús Viloria

DETERMINATION OF LANDSLIDE SUSCEPTIBLE AREAS IN SECTION OF THE MOUNTAIN RANGES OF NORTH-CENTRAL VENEZUELA (in Spanish)

370

Malc R. Gehrke-Vélez, Afredo Castillo-Vera, Carmen Ruiz-Bello and José L. Moreno-Martínez

POLLEN VIABILITY AND GERMINATION IN MANGO (Mangifera indica L.) cv. ATAULFO (in Spanish

378

Edgar Molina, Pedro González-Redondo, Keyla Montero, Rosa Ferrer, Rafael Moreno-Rojas and Adriana Sánchez-Urdaneta

EFFECT OF COLLECTION SEASON AND PLANT ORGAN ON THE METAL CONTENT OF Amaranthus dubius Mart. ex Thell. (in Spanish)

386

Lino Sánchez Segura, José Jorge Chanona Pérez, Roberto Campos Mendiola, Martha L. Arenas Ocampo and Antonio R. Jiménez-Aparicio

CELL DYNAMICS GROWTH IN Beta vulgaris L. CULTURE IN VITRO USING DIGITAL IMAGE ANALYSIS AND FRACTAL DIMENSION (in Spanish)

392