Vol. 53 (3-4)

Sep.-Dec. / Set.-Dic. 2005

CONTENTS / CONTENIDOS

Biomedicine / Biomedicina

Warner Alpízar-Alpízar, Rafaela Sierra, Patricia Cuenca, Clas Une, Fernando Mena & Guillermo Ignacio Pérez-Pérez
Association of the p53 codon 72 polymorphism to gastric cancer risk in a hight risk population of Costa Rica [Spanish]

Botany and Ecology / Botánica y Ecología

Jiudith Cordero, Miguel Guevara, Ever Morales & César Lodeiros
Efect of heavy metals on the growth of the tropical microalga Tetrasermis chuii (Prasinophyceae) [Spanish]

Miguel Guevara, César Lodeiros, Olga Gómez, Nathalie Lemus, Paulino Núñez, Lolymar Romero, Aléikar Vásquez & Néstor Rosales
Carotenogenesis of five strains of the algae Dunaliella sp. (Chlorophyceae) isolated from Venezuelan hypersaline lagoons [Spanish]

Sara Lucía Camargo-Ricalde & Manuel Esperón-Rodríguez
Effect of the spatial and seasonal soil heterogeneity over arbuscular mycorrhizal fungal spore abundance in the semi-arid valley of Tehuacán-Cuicatlán, Mexico [Spanish]

José Luis Martínez-Sánchez
Nitrogen and phosphorus resorption in a neotropical rain forest of a nutrient-rich soil

Allan Meneses, Dora Flores, Miguel Muñoz, Griselda Arrieta & Ana M. Espinoza
Effect of 2,4-D, hydric stress and light on indica rice (Oryza sativa) somatic embryogenesis

Flávia Freitas Coelho, Liene Deboni & Frederico Santos Lopes
Density-dependent reproductive and vegetative allocation in the aquatic plant Pistia stratiotes (Araceae)

Ignacio M. Barberis & Juan Pablo Lewis
Heterogeneity of terrestrial bromeliad colonies and regeneration of Acacia praecox (Fabaceae) in a humidsubtropical-Chaco forest, Argentina

Dalia Sánchez Merlos, Celia A. Harvey, Alfredo Grijalva, Arnulfo Medina, Sergio Vílchez & Blas Hernández
Vegetation diversity, composition and structure in a cattle agro-landscape of Matiguás, Nicaragua [Spanish]

Luis José Lemus-Jiménez & Nelson Ramírez
Breeding systems of the Paraguaná coastal plain plants, Venezuela [Spanish]

Carlos Chaverri & José F. Cicció
Essential oil of trees of the genus Ocotea (Lauraceae) in Costa Rica. I. Ocotea brenesii

Invertebrates / Invertebrados

Misael Chinchilla Carmona, Olga Guerrero Bermúdez, Gustavo A. Gutiérrez- Espeleta, Ronald Sánchez Porras & Beatriz Rodríguez Ortiz
Intestinal parasites in howler monkeys Alouatta palliata (Primates: Cebidae) of Costa Rica [Spanish]

Teresita D.N.J. Maldonado-Montiel & Leticia G. Rodríguez-Canché
Biomass production and nutritional value of Artemia sp. (Anostraca: Artemiidae) in Campeche, México

Patrick Hunauld, Anibal Vélez, Noris Jordan, John H. Himmelman, Francisco Morales, Luis Freites & César J. Lodeiros
Contribution of food availability to the more rapid growth of the scallop, Euvola ziczac (Pteroida, Pectinidae) in bottom than in suspended culture

José J. Alió, Luis A. Marcano & Douglas E. Altuve
Fishery and biometrics of genus Calappa crabs (Brachyura: Calappidae) in northeastern Venezuela [Spanish]

Maria Estela de León, Juana López Martínez, Daniel Lluch Cota, Sergio Hernández Vázquez & Rafael Puga
Decadal variability in growth of the Caribbean spiny lobster Panulirus argus (Decapoda: Paniluridae) in Cuban waters

M. Alma Solis, Donald R. Davis & Kenji Nishida
Life history and systematics of Albusambia elaphoglossumae (Lepidoptera: Crambidae): A new genus and species of musotimine with leaf-mining biology from Costa Rica

Vertebrates / Vertebrados

Veronica del Río, Jesús Rosas, Aidé Velásquez & Tomas Cabrera
Development of the tropical fish Xenomelaniris brasiliensis (Pisces: Atherinidae) from embryo to larva and time to metamorphosis [Spanish]

Peña-Mendoza, B., J.L. Gómez-Márquez, I.H. Salgado-Ugarte & D. Ramírez-Noguera
Reproductive biology of Oreochromis niloticus (Perciformes: Cichlidae) at Emiliano Zapata dam, Morelos, Mexico

Mario Espinoza & Eva Salas
Structure of reef fish communities in Catalinas Islands and Ocotal beach, North Pacific of Costa Rica [Spanish]

César Román-Valencia, Raquel I. Ruiz C. & Ramiro Barriga
A new Ecuadorian species of the Andean fish genus Grundulus (Characiformes: Characidae) [Spanish]

José A. Coppo, Norma B. Mussart & Santiago A. Fioranelli
Blood and urine physiological values in farm-cultured Rana catesbeiana (Anura: Ranidae) in Argentina

Heinz Hoffmann
The tadpoles of Hyla rufitela (Anura: Hylidae)

Rebeca Acosta, Rosa Vera Mesones & Alejandro Núñez
Anuran fauna from Salta City, Argentina [Spanish]

Knut Eisermann & Ulrich Schulz
Birds of a high-altitude cloud forest in Alta Verapaz, Guatemala

Lenin Oviedo & Noemi Silva
Sighting frequency and relative abundance of bottlenose dolphins (Tursiops truncatus) along the northeast coast of Margarita Island and Los Frailes Archipelago, Venezuela

Errata

Salvador Hernández Vázquez
Water birds from Agua Dulce lake and El Ermitaño estuary, Jalisco, Mexico [Spanish]

María Catalina Reyes-Nivia, Jaime Garzón-Ferreira & Alberto Rodríguez-Ramírez
Live coral predation by fish in Tayrona Nature National Park, Colombian Caribbean [Spanish]