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A management plan for the sport fishery of Parachromis dovii (Pisces: Cichlidae) in Hule lake, Costa Rica
(Universidad de Costa Rica, 2000-06)
A first attempt to regulate the fishing activity while preserving the species and its habitats is presented for Hule lake. We intensively sampled the "guapote" between March 1996 and April 1997 using monofilament gill nets ...
Un modelo biogeoquímico para el Golfo de Nicoya, Costa Rica
(Universidad de Costa Rica, 2007)
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 ...
Composition, growth and condition index for a population of Poecilia reticulata (Pisces: Poeciliidae), in a pond in Heredia, Costa Rica
(Universidad Nacional, Costa Rica, 2003)
A pond population of Poecilia reticulata was studied in Santo Domingo, Heredia, Costa Rica, between September and November of 1998. The sex ratio was 1:0.49 (males:females). The mean total length was 34.43 ± 7.26 mm for ...
Dolphin sympatric ecology in a tropical fjord: habitat partitioning by bathymetry and topography as a strategy to coexist
(Cambridge University Press, 2007)
Sympatric species need to avoid pervasive competition to counter its suppressor effects. Dietary divergence
and habitat partitioning are strategies for coexistence. Golfo Dulce is a tropical fjord located in the southern ...
Epiphytic bromeliad communities in secondary and mature forest in a tropical premontane area
(Universidad Nacional, Costa Rica, 2006)
We analyzed the differences in species richness, community composition, population
structure and within-tree location of epiphytic bromeliads in contiguous secondary
and mature forests in a premontane area in Costa Rica. ...
Fecundidad, fertilidad e índice gonadosomático de Poecilia reticulata(Pisces: Poeciliidae) en Heredia, Costa Rica
(Universidad de Costa Rica, 2004)
Fertility, fecundity and gonadosomatic index of Poecilia reticulata(Pisces: Poeciliidae) in Heredia, Costa Rica. Between September and November of 1998, 1 432 females of Poecilia reticulata were collected in a ...
Marea roja producida por Lingulodinium polyedrum (Peridiniales, Dinophyceae) en Bahía Culebra, Golfo de Papagayo, Costa Rica
(Universidad de Costa Rica, 2001)
This is the first record of the dinoflagellate Lingulodinium polyedrum in a red tide bloom in the North Pacific coast of Costa Rica. The sample was collected on April 2000 at Culebra Bay, Gulf of Papagayo, ...
Geostrophic circulation between the Costa Rica Dome and Central America
(Elsevier, 2008)
The geostrophic circulation between the Costa Rica Dome and Central America is described from CTD observations
collected in two surveys: (a) The Wet Cruise in September–October 1993, and the Jet Cruise in February–March ...
Abundancia, diversidad y categoría ecológica de los peces en estero damas y estero Palo Seco, Costa Rica
(Universidad Nacional (Costa Rica), 2002)
Se trabajó de junio de 1986 a febrero de 1987 en una estación de muestreo en el estero Palo Seco y en dos en el estero Damas (Damas y San Bosco), Pacífico Central, Costa Rica. La temperatura del agua no presentó diferencias ...
Longitud a la primera madurez, ciclo reproductivo y crecimiento del camarón blanco (Penaeus occidentalis, decapoda:penaeidae) en la parte interna del Golfo de Nicoya, Costa Rica
(Universidad Nacional (Costa Rica), 2000)
En este trabajo se estudiaron algunos aspectos biológicos de la población de Penaeus occidentalis de la parte interna del Golfo de Nicoya. La relación de sexos en la población, hembra : macho = 1,4 : 1, resultó ser ...