Results 51 to 60 of about 210 (158)

[Some features of ocean currents in Gulf of Nicoya, Costa Rica].

open access: yesRevista de biologia tropical, 2007
The spatial and vertical structure of the water currents and its relationship with the tidal cycles were studied using current meters in the Gulf of Nicoya. In the upper gulf, the vertical marine current differences increase as the depth increases. The water column at the station near Chira Island (upper gulf) shows the smaller changes in currents and ...
Omar G, Lizano, Eric J, Alfaro
openaire   +1 more source

Hidrocarburos de petróleo, disueltos y dispersos, en cuatro ambientes costeros de Costa Rica

open access: yesRevista de Biología Tropical, 2004
Entre los años 2000 a 2002 se recolectaron y se analizaron 130 muestras de agua de mar en las costas de Costa Rica, para determinarles la concentración de hidrocarburos de petróleo disueltos y dispersos (HPDD), referida a equivalentes de criseno en ...
Jenaro Acuña-González   +3 more
doaj  

Hydroacoustic estimation of fish biomass in the Gulf of Nicoya, Costa Rica

open access: yesRevista de Biología Tropical, 2000
A stratified sampling design was used for a hydroacoustic survey of the inner parts of the Gulf of Nicoya in 1987 and 1988. The bottom topography of the inner Gulf was modeled by introducing the concept of a topographical basin model, as the basis for ...
John Hedgepeth   +3 more
doaj  

EVALUACIÓN POBLACIONAL DEL STOCK EXPLOTABLE DEL COMPLEJO OPISTHONEMA (PISCES: CLUPEIDAE) EN EL GOLFO DE NICOYA, COSTA RICA

open access: yesRevista Ciencias Marinas y Costeras, 2011
El género Opisthonema sustenta la pesquería de sardina en Costa Rica. Esta investigación se orientó hacia la evaluación poblacional del stock explotable de esta pesquería en el Golfo de Nicoya.
Luis A. Vega Corrales
doaj  

[A biogeochemical model for the Gulf of Nicoya, Costa Rica].

open access: yesRevista de biologia tropical, 2008
In agreement with the Broecker and Penn two-boxes model, I generated a biogeochemical balance model for the Gulf of Nicoya (Guanacaste, Costa Rica) using two nutrient reservoirs: surface water and deep water. The mixing zone was located at a depth of 20 m.
openaire   +1 more source

Composition and abundance of ichthyoplankton in a Gulf of Nicoya mangrove estuary

open access: yes, 2016
Se realizó muestreos mensuales de ictioplancton, en la superficie de tres sitios del Estero Punta Morales, Golfo de Nicoya, Costa Rica, de febrero a setiembre de 1985. Se recolectó alrededor de 51,000 huevos y 12,000 larvas de peces, principalmente de las familias Engraulidae, Gobiidae, Clupeidae, Sciaenidae, y Haemulidae, cuyas formas juveniles y ...
Ramírez C, Ana R   +2 more
openaire   +1 more source

Presencia de los dinoflagelados Ceratium dens, C. fusus y C. furca (Gonyaulacales: Ceratiaceae) en el Golfo de Nicoya, Costa Rica

open access: yesRevista de Biología Tropical, 2004
Las proliferaciones algales nocivas (PAN) son un fenómeno frecuente en el Golfo de Nicoya. La morfología y fisiología de estas microalgas son muy importantes debido al hecho de que las especies involucradas en estos eventos presentan características ...
Maribelle Vargas-Montero, Enrique Freer
doaj  

Transforming the social-ecological systems framework into a knowledge exchange and deliberation tool for comanagement

open access: yesEcology and Society, 2019
The social-ecological system framework (SESF) can be useful for applied research and management practice beyond its traditional academic applications.
Stefan Partelow   +3 more
doaj   +1 more source

[Isolation of Vibrio cholerae no-01 in the Gulf of Nicoya, Costa Rica].

open access: yesRevista de biologia tropical, 1993
In a bacteriological study on samples of bivalves, mud and surface waters from the Gulf of Nicoya, Costa Rica, 18 strains of non-01 Vibrio cholerae and 50 of V. mimicus were isolated. The samples were enriched in alkaline peptone water, and streaked on MacConkey and inositol-brilliant green bile agars.
F, Antillón, E, Rodríguez
openaire   +1 more source

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