Mostrando 10 resultados de: 18
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Diet of the black sea urchin Echinometra lucunter (Echinometra: Echinoidea) in the northeast of Venezuela
ArticleAbstract: Echinometra lucunter is relatively abundant in the Venezuela coast, however no details are known aboPalabras claves:Echinometra lucunter, food preference, macroalgae, stomach content, UpwellingAutores:Arrieche-Galíndez D., Barrios J., César Lodeiros-Seijo, Edgar Zapata-Vívenes, Reyes-Luján J., Salgado W.Fuentes:scopusContribution of food availability to the more rapid growth of the scallop, Euvola ziczac (Pteroida, Pectinidae) in bottom than in suspended culture
ArticleAbstract: We conducted a 5-month experiment at Turpialito in the Golfo de Cariaco, Venezuela, to examine whethPalabras claves:Bottom culture, Euvola Ziczac, growth, scallop, Suspended culture, VENEZUELAAutores:César Lodeiros-Seijo, Himmelman J.H., Hunauld P., Jordan N., L. Freites, Morales F., Velez A.Fuentes:googlescopusDensidad, crecimiento y supervivencia de juveniles de Lyropecten (Nodipecten) nodosus (Pteroida: Pectinidae) en cultivo suspendido en el Golfo de Cariaco, Venezuela
ArticleAbstract: The effect of culture density on growth and survival of juveniles was studied in the scallop LyropecPalabras claves:Culture density, Golfo de Cariaco, Hanging culture, Lyropecten (Nodipecten) nodosus, scallop, VENEZUELAAutores:César Lodeiros-Seijo, L. Freites, Vanessa Acosta de MatheusFuentes:googlescopusCarotenogenesis of five strains of the algae Dunaliella sp. (Chlorophyceae) isolated from Venezuelan hypersaline lagoons
ArticleAbstract: We evaluated discontinuous cultures (Algal medium at 0.5 mM of NaNO 3, and 27% NaCl) of five strainsPalabras claves:carotenoids, DUNALIELLA, Pigments, VENEZUELAAutores:César Lodeiros-Seijo, Gómez O., Guevara M., Lemus N., Núñez P., Romero L., Rosales N., Vásquez A.Fuentes:googlescopusAbundancia de juveniles y crecimiento de Pinna carnea (Mytiloida: Pinnacea) en cultivo suspendido
ArticleAbstract: We quantified the abundance of juvenile Pinna cornea at Turpialito, Golfo de Cariaco, Venezuela, usiPalabras claves:Bivalve, growth, Pinna carnea, Spat production, Suspended cultureAutores:César Lodeiros-Seijo, L. Freites, Narváez N., Núñez M.P., Pico D., Prieto A.Fuentes:googlescopusGametogenic cycle of the rock boring urchin Echinometra lucunter (Echinodermata: Echinoidea) in northeastern Venezuela
ArticleAbstract: Several species of sea urchins are a potential resource for the production of gonads for consumptionPalabras claves:Gametogenic cycle, Gonadal index, Nutritive phagocyte, reproductive strategyAutores:Arrieche-Galíndez D., Barrios J., César Lodeiros-Seijo, Edgar Zapata-Vívenes, Reyes-Luján J., Salgado W.Fuentes:googlescopusEvaluación in vitro de sustancias antibacterianas producidas por bacterias aisladas de diferentes organismos marinos
ArticleAbstract: Bacteria from several groups of marine organisms were isolated and, using direct antibiograms, identPalabras claves:Antibacterial substances, antibiosis, Antibiotic, Marine bacteria, STAPHYLOCOCCUS AUREUSAutores:Campos I., Castillo I., César Lodeiros-Seijo, Núñez M.P.Fuentes:googlescopusEffect of heavy metals on the growth of the tropical microalga Tetrasermis chuii(Prasinophyceae)
ArticleAbstract: We determined the toxic effect of four metals, cadmium (Cd), copper (Cu), mercury (Hg) and lead (Pb)Palabras claves:contamination, Heavy Metals, Phytoplankton, Tetraselmis chuii, ToxicityAutores:César Lodeiros-Seijo, Cordero J., Guevara M., Morales E.Fuentes:googlescopusDisponibilidad de juveniles por captación natural de la ostra Pteria colymbus (Bivalvia: Pteriidae) en el Golfo de Cariaco, Venezuela
ArticleAbstract: We examined the spat availability the oyster Pteria colymbus at 6-8 and 19-21 m depths for 15 monthsPalabras claves:Aquaculture, Bivalve, Pteria colymbus, spatAutores:César Lodeiros-Seijo, Himmelman J.H., Jimenez M., Marquez-Rojas B.Fuentes:googlescopusDiversity and abundance of molluscs in Thalassia testudinum prairies of the Bay of Mochima, Mochima National Park, Venezuela (Spanish)
ArticleAbstract: The diversity and abundance of benthic malacological communities associated to Thalassia testudinumPalabras claves:Benthic community, Mochima, molluscs, Seagrass beds, Thalassia, VENEZUELAAutores:César Lodeiros-Seijo, Méndez E., Prieto A., Sant S.Fuentes:googlescopus