Glottidia audebarti (Broderip), (Brachiopoda, Lingulidae) from the Gulf of Nicoya, Costa Rica
Ejemplares del braquiópodo excavador Glottidia audebarti (Broderip) fueron colectados con un barreno en la planicie fangosa (65% arena, 32% limo + arcilla) de Punta Morales, en la región superior del Golfo de Nicoya, un estuario en la costa Pacífica de Costa Rica.
Emig, Christian C, Vargas, José A
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En el ámbito nivel mundial, el tiburón martillo (Sphyrna lewini) es una de las especies más afectadas por la sobrepesca y el aleteo. Recientemente se incorporó a la Lista Roja de la UICN como especie en peligro de extinción. El presente estudio pretendió
Ilena Zanella +2 more
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Ophiolite-Related Ultramafic Rocks (Serpentinites) in the Caribbean Region : a Review of their Occurrence, Composition, Origin, Emplacement and Ni-Laterite Soil Formation [PDF]
Ultramafic rocks, mainly serpentinized peridotites of mantle origin, are mostly associated with the ophiolites of Mesozoic age that occur in belts along three of the margins of the Caribbean plate. The most extensive exposures are in Cuba. The ultramafic-
Draper, G. +4 more
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[Variation of thermohaline properties in the Nicoya Gulf, Costa Rica].
The time-space behavior of thermohaline properties of the water masses in the Gulf of Nicoya, a tropical estuary in the Costa Rican Pacific coast, was studied by sampling monthly from April 1992 to April 1993. The saline field has a seasonal maximum during April, a month before the maximum temperature is observed.
C L, Brenes, S, Léon, J, Chaves
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The 2010Mw8.8 Maule, Chile earthquake: Nucleation and rupture propagation controlled by a subducted topographic high [PDF]
Knowledge of seismic properties in an earthquake rupture zone is essential for understanding the factors controlling rupture dynamics. We use data from aftershocks following the Maule earthquake to derive a three-dimensional seismic velocity model of the
Haberland, Christian A +5 more
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Se determinaron aspectos reproductivos y alimentarios del tiburón enano Mustelus dorsalis, a partir de 311 ejemplares capturados con línea y anzuelo en el Golfo de Nicoya, Costa Rica, durante marzo de 1999 y mayo de 2000. Se reconocieron 250 hembras y 61
José Rodrigo Rojas M
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A study of the Eastern Pacific fishery for tuna baitfishes, with particular reference to the anchoveta (Cetengraulis mysticetus) [PDF]
ENGLISH: Most of the catches of yellowfin and skipjack tuna from the Eastern Pacific Ocean are made by vessels fishing with poles and lines and live bait.
Alverson, Franklin G., Shimada, Bell M.
core
Interplate seismicity at the CRISP drilling site: The 2002 Mw=6.4 Osa Earthquake at the southeastern end of the Middle America Trench [PDF]
We investigate potential relations between variations in seafloor relief and age of the incoming plate and interplate seismicity. Westward from Osa Peninsula in Costa Rica, a major change in the character of the incoming Cocos Plate is displayed by ...
Abercrombie +62 more
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[Some features of ocean currents in Gulf of Nicoya, Costa Rica].
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
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Metales traza en sedimentos costeros de Costa Rica
Se determinó la concentración de hierro, plomo, cobre y zinc, en sedimentos de cuatro ecosistemas costeros de Costa Rica, por espectroscopia de absorción atómica, con llama o con horno de grafito.
Jairo García-Céspedes +2 more
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