Results 31 to 40 of about 17,349 (219)

Ictioplancton del estuario de Lagoa dos Patos, Brasil [PDF]

open access: yes, 2019
El material de estudio se obtuvo con una red de tipo cónica, en lances horizontales de 5 minutos de duración y con malla de 500 u. Se efectuaron 26 cruceros desde el 15/12/75 hasta el 10/11/78 con un total de 671 estaciones. Por otro lado, con el objeto de analizar la distribución vertical, se utilizó un sistema de 3 redes que colectaban pasivamente en
openaire   +3 more sources

Antioxidant Action of Mangrove Polyphenols against Gastric Damage Induced by Absolute Ethanol and Ischemia‐Reperfusion in the Rat

open access: yesThe Scientific World Journal, Volume 2012, Issue 1, 2012., 2012
Rhizophora mangle, the red mangrove, has long been known as a traditional medicine. Its bark has been used as astringent, antiseptic, hemostatic, with antifungic and antiulcerogenic properties. In this paper, we aimed to evaluate the antioxidant properties of a buthanolic fraction of the R. mangle bark extract (RM) against experimental gastric ulcer in
Felipe Meira de-Faria   +15 more
wiley   +1 more source

Calidad microbiológica de agua del Estero Salado; y su incidencia en bañistas del sector de la ciudadela universitaria Guayaquil

open access: yesRevista Científica Ciencia y Tecnología
La calidad microbiológica de aguas en el Estero Salado de la ciudad de Guayaquil, sector ciudadela universitaria, y su incidencia en los turistas, ésta investigación surge por la afectación que ha venido sufriendo el recurso estuarino en mención ...
Danilo Barros Salazar
doaj   +1 more source

OCURRENCIA Y DISTRIBUCIÓN DE Vibrio cholerae CULTIVABLE EN LA CIÉNAGA GRANDE DE SANTA MARTA, CARIBE COLOMBIANO

open access: yesActa Biológica Colombiana, 2021
Vibrio cholerae es un potencial patógeno humano que habita ambientes acuáticos, aunque su presencia y abundancia se ha asociado al aumento de la temperatura del agua, poco se ha investigado sobre su ecología en ambientes estuarinos tropicales, donde los
Tania Córdoba Meza   +2 more
doaj   +1 more source

An interconnected system of tidal channels in Bahía Blanca estu ary, Argentina: an evaluation of bedload sediment tr ansport through acoustic methods [PDF]

open access: yes, 2009
El estuario de Bahía Blanca, ubicado al sur de la provincia de Buenos Aires (Argentina), constituye una costa baja con extensas llanuras de marea, islas y una compleja red de canales de diferentes magnitu- des.
Aliotta, Salvador   +2 more
core   +1 more source

Effects of Rhizophora mangle on Experimental Colitis Induced by TNBS in Rats

open access: yesEvidence-Based Complementary and Alternative Medicine, Volume 2012, Issue 1, 2012., 2012
Male Unib‐WH rats were pretreated for two weeks with butanolic (BuOH) and ethyl acetate (EtOAc) fractions. Colitis was induced by rectal administration of TNBS, the treatment continued, and animals were sacrificed on day 7 after the TNBS administration. Phytochemical studies were performed in order to provide the characterization of the tannins present
Felipe Meira de Faria   +12 more
wiley   +1 more source

Rasgos morfológicos y sedimentológicos de la ría de Betanzos (A Coruña, Galicia, España) [PDF]

open access: yes, 1981
[Resumen] La presente comunicación e considera como una contribución al estudio, aún iniciado por nuestra parte, de las «rías centrales» de Galicia,haciendo referencia solamente a la ría de Betanzqs y de ella al sector exterior o «ría propiamente dicha»
Asensio Amor, I., Grajal Blanco, Mariano
core   +1 more source

Molluscan assemblage from a tropical intertidal estuarine sand-mud flat, Gulf of Nicoya, Pacific, Costa Rica (1984-1987)

open access: yesRevista de Biología Tropical, 2011
The availability of data sets covering more than a year is scarce for tropical environments. Advances in hardware and software speed-up the re-analysis of old data sets and facilitates the identification of hidden data patterns.
José A Vargas-Zamora   +1 more
doaj   +2 more sources

Crustaceans from a tropical estuarine sand-mud flat, Pacific, Costa Rica, (1984-1988) revisited

open access: yesRevista de Biología Tropical, 2012
The availability of data sets for time periods of more than a year is scarce for tropical environments. Advances in hardware and software speed-up the re-analysis of old data sets and facilitates the description of population oscillations.
José A. Vargas-Zamora   +2 more
doaj   +2 more sources

Estudio a largo plazo del ciclo de vida y crecimiento de Heleobia australis (Caenogastropoda, Cochliopidae) en el estuario de Bahía Blanca, Argentina [PDF]

open access: yes, 2012
The life cycle and growth of the mud-snail Heleobia australis (d?Orbigny, 1835) was studied in the Bahía Blanca estuary (39º S, Argentina) from april 2008 to april 2010. Four year classes were identified. H. australis recruits once a year, during summer.
Carcedo, Maria Cecilia   +1 more
core   +1 more source

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