January 2011

Volume 36 Issue 01

/Editorial/

Miguel Laufer

VALIDITY OF A REGIONAL JOURNAL

6
 /Articles/

Sérgio de Faria Lopes, Vagner Santiago do Vale, Ana Paula de Oliveira and Ivan Schiavini

COMPARATIVE ANALYSIS OF THE STRUCTURE AND FLORISTIC COMPOSITION OF CERRADO VEGETATION IN CENTRAL BRAZIL (in Portuguese)

8

Susana Bologna, Diego Soldini, Elizabeth Rojas, Diego Martínez Álvarez and Mónica Balzarini

SELECTION FOR IMPROVING FATTY ACID PROFILES IN NON-TRANSGENIC SOYBEAN BY BIPLOT ANALYSIS (in Spanish)

16

Gerardo Santos-López, Verónica Vallejo-Ruiz, Luis L. Rendón-González and Julio R. Reyes-Leyva

DETERMINING FACTORS IN THE APPEARANCE AND REAPPERANCE OF VIRAL INFECTIONS (in Spanish)

22

Emiliana Isasi-Catalá

INDICATOR, UMBRELLAS, FLAGSHIPS AND KEYSTONE SPECIES CONCEPTS: USE AND ABUSE IN CONSERVATION ECOLOGY (in Spanish)

31

Omar J. Pérez, Roger Bilham, Michell Sequera, Luiselvic Molina, Patricia Gavotti, Henry Codallo, Carlos Moncayo, Carlos Rodríguez, Rodolfo Velandia, Mercedes Guzmán and Peter Molnar

GPS DERIVED VELOCITY FIELD IN WESTERN VENEZUELA: DEXTRAL SHEAR COMPONENT ASSOCIATED TO THE BOCONÓ FAULT AND CONVERGENT COMPONENT NORMAL TO THE ANDES (in Spanish)

39
/Reports/

Miguel A. Pérez Méndez, Rufo Sánchez Hernández, David J. Palma López and Sergio Salgado García

CHEMICAL CHARACTERIZATION OF SUGARCANE WASTE COMPOSTING IN THE SOUTHEAST OF MEXICO (in Spanish)

45

Jaime De La Ossa V. and Richard C. Vogt

POPULATION ECOLOGY OF Peltocephalus dumerilianus (TESTUDINES, PODOCNEMIDIDAE) IN TWO TRIBUTARIES OF THE RIO NEGRO, AMAZONAS, BRAZIL (in Portuguese)

53

Chrystian Carrero, Pablo García-Lugo, Agustina Rojas and Henry Pino

DETECTION OF Rhizoctonia solani IN POTATO TISSUES USING POLYCLONAL ANTIBODIES (in Spanish)

59

Armida Rodríguez-Félix, Judith Fortiz-Hernández and Mónica A. Villegas-Ochoa

CHANGES IN PECTOLITIC ENZYMES DURING RIPENING OF ‘FLORDAPRINCE’ PEACH FRUIT (in Spanish)

65

Alejandra Ramírez and Emperatriz Pacheco de Delahaye†

CHEMICAL COMPOSITION AND BIOACTIVE COMPOUNDS IN PINEAPPLE, GUAVA AND SOURSOP PULP (in Spanish)

71
/Essays/

Costas Perdikaris and Ioannis Paschos

AQUACULTURE AND FISHERIES CRISIS WITHIN THE GLOBAL CRISIS (en inglés)

76