Results 81 to 90 of about 61,143,326 (160)

The distribution of nutrients, dissolved oxygen and chlorophyll a in the upper Gulf of Nicoya, Costa Rica, a tropical estuary

open access: yesRevista de Biología Tropical, 2007
in the Gulf of Nicoya on the Pacific Coast of Costa Rica, nutrient rich equatorial subsurface water (ESW) is upwelled in much of the lower gulf. These offshore waters are often regarded as the major source of nutrients to the gulf.
Jaime Palter   +2 more
doaj  

Los sciaénidos (corvinas) del Golfo de Nicoya, Costa Rica

open access: yes, 2016
The Biology, as well as the economic importance, methods of capture and distribution of the species within the family Sciaenidae in the Gulf of Nicoya, Costa Rica are presented. Descriptions of taxonomic characteristics of each species alongwith keys and figures which permit indentification in a simplified manner of the different species are also ...
openaire   +1 more source

Reseña sobre la pesquería artesanal del Golfo de Nicoya Puntarenense

open access: yes, 2006
En este artículo se presenta parcialmente el resultado de una investigación etnológico-lingüística realizada en los años 2002-2003 sobre la pesca artesanal, actividad de mayor relevancia para las comunidades del litoral del Golfo de Nicoya, de la zona de
Chang Vargas, Giselle
core  

Aislamiento de Vibrio cholerae no -01 en el Golfo de Nicoya, Costa Rica

open access: yes, 2016
In a bacteriological study on samples of bivalves, mud and surface waters from fue Gulf of Nicoya, Costa Rica, 18 strams of non-01 Vibrio cholerae and 50 of V. mimicus were isolated. The samples were ennched in alkaline peptone water, and streaked on MacConkey and inositol-brilliant green bile agars.
Antillón G., Florencia   +1 more
openaire   +1 more source

Effects of red tides on oxygen concentration and distribution in the Golfo de Nicoya, Costa Rica

open access: yes, 2016
 A one year study (April 1978-March 1979) in the inner section of lhe Golfo de Nicoya (100 N, 850 W), Costa Rica, revealed that red tides in this shallow « 20 m) region are most common during the dry and at the beginning of the rainy season, but may also occur during the later par!
Gocke, Klaus   +2 more
openaire   +1 more source

Prevalencia de AHPND en camaroneras del Golfo de Nicoya y Pacífico Central, Costa Rica

open access: yesAgronomía Mesoamericana
Introduction. The acute hepatopancreas necrosis disease (AHPND) is caused by bacteria Vibrio parahaemolyticus containing a plasmid encoding the toxin genes pirA and pirB. The disease is characterized by massive sloughing of epithelial cells in the hepatopancreas, also showing atrophy and discoloration of that organ.
Nelson Peña-Navarro   +5 more
openaire   +3 more sources

La Oceanografía física del Golfo de Nicoya, Costa Rica, un estuario tropical

open access: yes, 1960
ENGLISH: Distributions of salinity, temperature, and oxygen in the Gulf of Nicoya based on approximately bimonthly surveys between the period March 1952 to December 1957 have been examined.SPANISH: Se examinó la distribución de la salinidad, temperatura ...
Peterson, Clifford L.
core  

Crecimiento y formación de quistes dedinoflagelados, bajo condiciones controladas (Golfo de Nicoya, Costa Rica)

open access: yes, 2017
El Golfo de Nicoya es un estuario altamente productivo, representa una de las áreas más importantes de pesca en Costa Rica y el medio de subsistencia de muchas comunidades costeras.
Calvo Vargas, Emilia   +2 more
core  

Inducción al desove en hembras del pargo mancha, Lutjanus guttatus (Steindachner, 1869).

open access: yesUniciencia, 1998
Se estudió el efecto del extracto de pituitaria de carpa (EPC) en 6 hembras maduras de pargo mancha, L. guttatus, capturadas con línea por pescadores artesanales en el Golfo de Nicoya. El peso de las hembras varió de 1,7 – 2,0 Kg.
Silvia Valverde Chavarría   +1 more
doaj  

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